Dr Gareth Hearn BSc, PhD, CEng, CEnv, CGeol, FGS, MICE
Independent Consultant Geomorphologist/Engineering Geologist/Geo-hazard Specialist and Director of Hearn Geoserve Ltd
BSc (1st class honours) Geography (with Geology and Soil Science) Kingston Polytechnic, 1981
|Memberships and Professional
Fellow of the Geological Society of London and Chartered Geologist
|Years of Experience||More than 30|
Remote sensing, geomorphological mapping, terrain evaluation, landslide susceptibility, hazard and risk assessment, design and supervision of ground investigations, design of landslide stabilisation, erosion control and slope monitoring. Construction materials prospecting and mapping, earthworks and subgrade assessments. Peer Review, Team Leader/ Project Manager, Client Liaison, Technical Presentations and Reporting.
Mountain roads, rural roads, oil and gas pipelines, open cast mining, hydropower.
The application of geomorphology to the interpretation of complex ground conditions. Climate change adaptation and mountain geo-hazards.
British Consultants and Construction Bureau (BCCB) Sustainability Award 2005 for Landslide Research in Nepal and Bhutan, Scott Wilson Project Manager.
Ground Engineering Sustainability Award for Best International Project 2010 for Laos Slope Stabilisation Trials, Scott Wilson Team Leader and Project Manager
Countries of Work Experience
Albania, Azerbaijan, Barbados, Bhutan, China, Cyprus, Dominica, Ethiopia, Ghana, Guinea, Hong Kong, Indonesia, Kyrgyzstan, Laos, Liberia, Malawi, Malaysia, Montserrat, Mongolia, Mozambique, Nepal, Papua New Guinea, Peru, Philippines, Romania, Russia, Sierra Leone, Sri Lanka, Tajikistan, Turkey, Uganda, UK, Vietnam.
From January 2013: Director of Hearn Geoserve Ltd
From July 2012: Independent Consultant Geomorphologist
From September 1988 to June 2012: Geomorphologist, Project Manager and Technical Director for Scott Wilson/URS (now AECOM)
From March 1985 to September 1988: Geomorphologist and Engineering Geologist for Rendel Palmer & Tritton (now Rendel)
Uganda: Improving the resilience and quality of rural road infrastructure through landslide management and optimisation of road reserve use, February 2020 – August 2020. Phase 2: Engineering geologist and de facto Team Leader Team Leader responsible for the development of a GIS-based landslide inventory for the country interfaced by other team members with a Landslide and Road Reserve Management Toolkit for web-based data entry and interrogation. Lead author in the development of a Slope Management Guideline for the Road Authority. Client: Uganda National Roads Authority and Research for Community Access Partnership (ReCAP), UK.
Afghanistan: Route selection and geotechnical contributions to a Low Volume Roads Maintenance Manual. Client: Ministry of Rehabilitation and Rural Development, Afghanistan Research for Community Access Partnership (ReCAP), UK. NB all contributions from home office.
Uganda: Improving the resilience and quality of rural road infrastructure through landslide management and optimisation of road reserve use, January 2019 – June 2019. Phase 1: Team Leader responsible for investigating the hazard posed by landslides to the road network of Uganda, involving satellite and aerial photograph remote sensing, field observations and the development of a prototype web-based landslide data collection. Client: Uganda National Roads Authority and Research for Community Access Partnership (ReCAP), UK.
Uganda: Technical Investigations on Premature Pavement Failure on the National Road Network, September 2018 – June 2019. Responsible for review of causes of landslide and earthworks failures affecting the road between Rwentobo, Ntungamo, Kabale and Katuna in the mountainous SW of the country. Client: TRL for Uganda National Roads Authority
Laos: Review of SEACAP 21 Slope Stabilisation and Bio-Engineering Trials, Laos, March - July 2020. Review of the performance of slope stabilisation and bio-engineering works implemented in 2007-2008 under the South East Asia Community Access Programme. Client: Cardno Emerging Markets (UK) Ltd on behalf of ReCAP for DFID
Laos: Climate Resilient Road Planning, Asset Management Support and Capacity Building, September 2018 – April 2020. Responsible for geotechnical contributions including the review of slope instability hazard maps, development of vulnerability maps and protocols for slope management data collection and input to a Road Management System. Delivery of two-week, field-based training course on slope and landslide management together with support documentation. Client: SWECO for Ministry of Public Works and Transport, Lao PDR
West Africa: Preparation of a Low-Volume Roads Design Manual for West Africa (Liberia, Sierra Leone and Ghana), July 2017 - June 2018. Responsible for geotechnical and environmental contributions to this new manual for the West Africa region. Client: Cardno Emerging Markets Ltd for DFID
Ethiopia: Reconnaissance assessment of landslide hazards affecting parts of the federal road network in southern and southwest Ethiopia, December 2017 Client: Ethiopian Roads Authority
Nepal: Second South Asia south to south learning workshop on building resilience to landslide and geohazard risk in the transport sector, November 2017. Presentation and lead on group discussions covering subject focusing on resilient road asset management. Client: World Bank Washington
Nepal: MANTRA research project, January-September 2017. Provision of desk study and field observations relating to the exposure of rural communities to geohazards and the enhancement of risk awareness. Client: Institute for Risk and Disaster Reduction, University College London, funded by NERC.
Ladakh: Increasing Resilience to Environmental Hazards in Border Conflict Zones, January – September 2017. Engineering geological and geomorphological desk study and fieldwork to provide geohazard assessments for increased hazard resilience. Client: Institute for Risk and Disaster Reduction, University College London, funded by NERC.
Cyprus: Ground movements affecting residential properties in the village of Pissouri, March - April 2017. Geomorphological assessment and review of ground movements, building damage and likely causes and failure models. Client: Pissouri Housing Initiative Group.
Liberia: Geotechnical studies for the detail design of the Gangra haul road, West Nimba, September – October 2016. Peer Review Consultant for the detailed design of the Gangra haul road through the Nimba Mountain Range. Client: 4DGeotechnics Pty Ltd Australia.
Sierra Leone and Liberia: Scoping Study for AFCAP research in the rural roads sector, July 2016 – October 2016. Team Leader responsible for identifying and reviewing research project options in the rural roads and transport services sector. Client: Cardno Emerging Markets (UK) Ltd for Africa Community Access Partnership (AFCAP).
Mozambique: Preparation of a Site Investigation Manual, July 2016 to ongoing. Engineering geological specialist responsible for engineering geological and geomorphological contributions to the development of this manual. Client: Transport Research Laboratory for Mozambique National Road Administration (ANE) and World Bank.
Ethiopia: Investigation of the use of cinder gravels in pavement layers for low-volume roads, February 2016 - March 2018. Team Leader and Research Specialist responsible for identifying potential sources of cinder (scoria) gravel and leading a programme of investigative research.Client: Transport Research Laboratory, UK for DFID.
Albania: Devoll Hydropower Project, January 2016 to ongoing. Third-Party Review in connection with the geomorphological assessment of existing and potential first-time slope failures on reservoir slopes. Small scale and large scale air photograph interpretation and ground truthing of reservoir slopes at Banja and Moglice. Client: Multiconsult ASA for Statkraft, Norway.
Ethiopia: Finalisation of the Design Manual for Low Volume Roads Manual, Cardno Emerging Markets (UK) for DFID, current. Provision of engineering geological input to the finalisation of this document for the Ethiopian Roads Authority
Ethiopia: Preparation of Remedial Designs for Landslides Affecting the Ethiopian Federal Road Network, 2011 – December 2015. Team Leader and Senior Engineering Geologist responsible for the investigation and analysis of landslides and other slope stability problems along the road network of Ethiopia and the development of remedial designs. Interpretation of aerial photographs, use of detailed geomorphological mapping assessment of slope materials and drainage conditions, development of a risk register of landslides, design and supervision of ground investigation, geological interpretation and development of remedial designs. Client: Ethiopian Roads Authority. For URS Infrastructure & Environment Ltd.
Ethiopia: Mekhane Selam to Gundewein Road Construction Supervision, 2006 – February 2015. Geotechnical Team Leader for the engineering geological and geohazard studies required for design review and construction of a new highway through the Blue Nile Gorge. The road corridor crosses the kilometre-deep gorge and encounters expansive soils, landslides, flooding and erosion hazards. Information on ground conditions and geotechnical design requirements was obtained from first principles due to the complete lack of existing information. Techniques employed included remote sensing, field mapping, geohazard assessment for different route and engineering options, ground investigation and scheduling of slope works and remedial designs. Client: Ethiopian Roads Authority. For URS Infrastructure & Environment Ltd.
Africa Region: Peer review of the use of Laterites and Sand in Low Volume Road Construction and Maintenance, March and July 2014. Peer reviewer of research reports summarising the use of lateritic materials and sands in the construction and maintenance of low volume roads.Client: Crown Agents for DFID.
Sub-Saharan Africa Region: Promoting Sustainable Rural Access and Developing a Risk Based Vulnerability Assessment for Rural Communities in the Changing Climate of Sub Saharan Africa, December 2013 - May 2014. Research into climate change and climate variability effects on geo-hazard intensity and their impacts on rural access and community vulnerability in the SSAR. The work has involved a review of climate change in Sub-Saharan Africa, past and predicted future, and an assessment of its effects on flooding, erosion and ground engineering geo-hazards as a contributor to road service performance. Client: Crown Agents for DFID.
Ethiopia: Review of Ethiopian Roads Authority Earthworks Specification, August 2013.
Detailed review of Series 4000 - Earthworks to ensure consistency with the ERA Geotechnical Design Manual and the Low Volume Roads Manual. Client: Crown Agents for DFID.
Liberia: Tokadeh-Gangra-Yuelliton Feasibility Study, March – May 2013. Team Leader for a feasibility study to identify and review alignment options for an iron ore mine haul road through densely forested and fragile mountain terrain. Client: ArcelorMittal Liberia Ltd. Undertaken on behalf of URS Infrastructure & Environment Ltd.
Nepal: ‘Slope Engineering for Mountain Roads’ Workshop, Kathmandu, Nepal, November 2012.
Organiser and Key Speaker presenting information on global practice with regard to slope stabilisation and slope management, along with recommendations for the way forward in Nepal and the Himalayan Region. Client: Department for International Development, UK
Mozambique: Identification and Mapping of Calcrete Deposits in Inhambane Province and the Preparation of a Calcrete Classification System and Specifications for the Use of Calcrete in Road Construction in Mozambique, 2012 – April 2013.
Geomorphologist responsible for remote sensing and field mapping of conditions that could indicate the presence of calcrete deposits, including observations of geological and geomorphological conditions at existing borrow areas and identification of similar conditions elsewhere. Key presenter at dissemination workshop, Inhambane Province. Client: Crown Agents, UK and Mozambique National Road Administration (ANE) for TRL UK.
Philippines: Preparation of a project preparation document for slope and drainage management, 2012. Geomorphologist responsible for the preparation of a technical and resource scoping document for the development of slope and drainage management programmes for the Philippine road network. Client: Department of Public Works and Highways, Philippines for Gauff Ingenieure GmbH & Co.
Ethiopia: Preparation of a Route Selection Manual for the Ethiopian Roads Authority, 2012 – 2013. Team Leader and Principal Author responsible for the development of a Route Selection Manual taking into consideration a wide range of issues, including terrain types and topography, engineering, geology, drainage conditions and slope materials, environmental and social issues. Client: African Community Access Programme (AFCAP), Crown Agents on behalf of the Department for International Development, UK and the Ethiopian Roads Authority. Undertaken on behalf of URS Infrastructure & Environment Ltd.
Ethiopia: Geotechnical Design Manual for Roads for the Ethiopian Roads Authority, 2011 - 2013. Peer Review Consultant for the development of a Geotechnical Design Manual covering earthworks and slope design, landslide stabilisation, foundations and erosion/drainage control. Client: Crown Agents/Department for International Development, UK and the Ethiopian Roads Authority. For URS Infrastructure & Environment Ltd.
Humid Tropics and Sub-Tropics: Slope Engineering for Mountain Roads. Engineering Geology Special Publication No 24. Author and Editor responsible for the development of a guide to soils and rocks of the sub-tropics, including weathering profiles, duricrusts and expansive soils, landslides and related geo-hazards and the detailed illustration of methods of remote sensing, terrain evaluation, landscape modelling, geomorphological mapping, ground investigation and analysis and the selection of route corridors and design of earthworks, retaining walls, retaining walls, drainage and erosion protection. Client/Publisher: Geological Society of London.
Liberia: Environmental and Social Impact Assessment, Phases 1 and 2: Direct Shipping Ore and Concentrator Ore, 2010 – April 2013. Project Technical Director and Geomorphologist responsible for multi-disciplinary Environmental and Social Impact Assessment associated with the excavation, processing, rail transportation and shipping of iron ore from the Nimba Range in interior Liberia. Studies have included baseline studies, specialist investigations, analysis and reporting, including stakeholder liaison. Dr Hearn carried out a range of duties including remote sensing and quality control of geomorphological mapping, field inspections concerning geomorphology and hydrology and the development of an environmental impact assessment matrix. Dr Hearn was also responsible for preparing the main volume of the ESIA and quality control of all ESIA outputs. Client: ArcelorMittal. For URS Infrastructure & Environment Ltd.
Ethiopia: Mekhane Selam to Gundewein Road Construction Supervision, 2006 - ongoing. Geotechnical Team Leader for the engineering geological and geo-hazard studies required for design review and construction of a new highway through the Blue Nile Gorge. The road corridor crosses the kilometre deep gorge and encounters expansive soils, landslides, flooding and erosion hazards. Information on ground conditions and geotechnical design requirements was obtained from first principles due to the complete lack of existing information. Client: Ethiopian Roads Authority. For URS Infrastructure & Environment Ltd.
Simandou, West Africa: Environmental Assessment for Iron Ore Transportation, 2011. Project Director responsible for a desk study environmental and social impact assessment of rail transportation route corridor and port alternatives. Client: Vale VBG. For Scott Wilson Ltd
Papua New Guinea: Frieda River Geohazard and Georisk Study, 2011. Team Leader and Technical Director responsible for a multidisciplinary study of rock avalanche, landslide, debris slide, river avulsion and active fault characterisation for a gold and copper mine prospect in the northern interior of Papua New Guinea. LiDAR contour and hillshade mapping was used to assist in hazard identification, and was supported by satellite and aerial photograph interpretation, helicopter observations and hazard inventory and field mapping. C-14 dating was used to determine the age of pre-historic landslide deposits in order to assist in the development of event magnitude, frequency and risk assessment. This was combined with a review of the likely ground conditions and geotechnical constraints at each of the proposed mine facilities. Client: Xstrata Frieda River Ltd. For Scott Wilson Ltd
Azerbaijan: Baku Shamakhi Road Widening Detailed Design, 2011.
Geotechnical Team Leader for the design of widening to the Baku Shamakhi Road from the existing two lane to a four lane dual carriageway. Geomorphological contributions to widening option selection, field identification of landslide areas, ground investigation, analysis and design of slope works and retaining walls. Client: Azer Road Service. For Scott Wilson Ltd
Azerbaijan: Training in Specific Geotechnical Features, 2011. Team Leader and principal trainer for the intensive training of public sector, private sector and university sector civil engineering practitioners in the recognition, assessment and mitigation of geo-hazards affecting infrastructure in Azerbaijan, focusing on seismicity, mud volcanoes, landslides, flooding, erosion and scour and soft ground conditions. Training included classroom and fieldwork exercises, with examinations. Client: Azerbaijan Ministry of Education. For Scott Wilson Ltd
Philippines: Landslide studies at Maco Mine, Mindanao, 2010-2011. Specialist employed to review slope stability and landslide and erosion hazards around the site of the Maco Mine. Client: Apex Mining Ltd. For Scott Wilson Ltd
Sri Lanka: National Highways Sector Project, 2010. Specialist employed to review the stability of the Udatenna to Mahaiangana Road located in the Central Highlands of Sri Lanka, together with a review of options at two landslides sites on the Nuwara Eliya to Badulla Road. Client: Road Development Authority. For Scott Wilson Ltd
Cyprus: Landslide Risk Mapping in the Paphos District, 2009-2011. Project Director responsible for a study of landslides, landslide susceptibility and hazard mapping, ground investigations and slope stability analysis. The principal output was a set of maps that portrayed landslide susceptibility and the extent of failed ground in relation to existing land use and infrastructure, as well as guidelines for land use planning and review of options for slope management. The project won runner up prize in the 2011 Ground Engineering International Project category. Client: Geological Survey Department, Cyprus. For Scott Wilson Ltd
China: Earthquake Recovery, 2009. Part of a two-man team (with Prof Schneider) to review remaining landslide hazard following 2008 Sichuan earthquake and provide advice on community protection and urban development with regard to landslide hazards. Client: United Nations.
Tajikistan: Lake Sarez Hydropower Access Roads, 2009. Specialist responsible for rapid assessment of route alternatives to provide access to the proposed hydro dam site at Lake Sarez in the Pamir Mountains. An inventory of slope conditions and hazards was collected and summary tables and costing estimates prepared for the various route alternatives. Client: International Finance Corporation. For Scott Wilson Ltd.
Guinea: Simandou Pre-Feasibility Study, 2008 – 2009. Team Leader responsible for all geotechnical considerations relating to railway and port options and pre-feasibility level design. Issues included soft ground and compressible soils at the port locations, slope stability and excavatability of soils and rocks along the railway route, hydrogeology and water supply. Investigations included remote sensing, field mapping, soft ground drilling investigations, terrain evaluation and reference condition mapping. Client: Rio Tinto Iron Ore. For Scott Wilson Ltd.
Laos: Slope Stabilisation Trials Along Road 13N & 7, 2006 - 2009. Team Leader responsible for the design and supervision of slope stabilisation trials along hill roads in Laos, employing local contractors and supervision staff. Development of a landslide inventory and risk assessment for the mountain road network, training of public and private sector practitioners and trainers from the National University of Laos. Development of best practice slope stabilisation and slope management manuals. Winner of Ground Engineering Sustainability Award for Best International Project 2010. Client: Crown Agents/Department for International Development, UK. For Scott Wilson Ltd.
Russia: Geotechnical Assistance to Design and Construction of Oil and Gas Pipelines, Sakhalin Island, 2001 – 2009. Project Manager and Team Leader for the geo-mapping, investigation and analysis of ground conditions along the oil and gas pipeline corridor through the Makarov Mountains, focusing on slope stability considerations. Tasks included review of contractor’s design proposals, development of options, hazard and risk assessments and comprehensive reporting. Techniques applied included remote sensing, GIS analysis, field mapping and detailed exposure logging, ground investigation, reference condition mapping, sensitivity analysis, slope stability analysis and risk assessment using hazard and risk matrices. Client: Sakhalin Energy Investment Co Ltd. For Scott Wilson Ltd.
Kyrgyzstan: Hazard Mitigation Project, 2005 – 2008. Project Manager responsible for delivery of a multidisciplinary study and institutional strengthening programme for geo-hazard management. Activities included remote sensing and GIS, landslide hazard and risk mapping, development of community based emergency preparedness plans and strengthening of the Ministry of Emergencies in legal, administrative and technical fields to enable improved preparedness and response to hazards and disasters. Outputs included the development of BoQs and specifications for landslide, earthquake, flood and water quality monitoring equipment. Client: Ministry of Emergencies. For Scott Wilson Ltd.
Philippines: Geo-Hazard Risk Assessment and Management Training for DPWH Staff, 2006. Team Leader and Landslide Specialist responsible for the design and delivery of a geo-hazard assessment and management training course for road professionals. Client: Department of Public Works and Highways. For Scott Wilson Ltd.
Romania: Oil Transit Pipeline Feasibility Study, 2004 – 2005. Environmental Team Leader responsible for an EIA for an oil pipeline feasibility study from the Black Sea to the Serbian border. The EIA covered all environmental aspects and included landslide, flooding and seismic geo-hazard assessment. Client: Ministry of Trade and Industry. For Scott Wilson Ltd.
China: Yunnan Environmental Development Programme, 2004 – 2005. Strengthening of the Yunnan authorities in the development of methods for environmental improvement for rural communities as a test case for wider application. Slope Specialist responsible for various field mapping activities, review of road maintenance and rural access management and the delivery of a two-day seminar on Watershed Management. Client: Department for International Development, UK. For Scott Wilson Ltd.
Albania: Tepelene and Gjirokaster By Pass Pre-Feasibility Study, 2004. Review of alignment options and preliminary engineering and environmental assessments. Carried out preliminary environmental assessment focussing on geology, hydrogeology, geomorphology and slope stability. The study involved liaison with town planning departments over development zones and environmental legislation. Client: General Directorate of Roads. For Scott Wilson Ltd.
Ethiopia: Hirna Kulubi Road Upgrading Project, 2003-2008. Geomorphological mapping, trial pit investigation, modelling and analysis of slope failures in black cotton soils and weathered tuffs. Development and construction supervision of remedial designs. Client: Ethiopian Roads Authority. For Scott Wilson Ltd.
Cyprus: Environmental Impact Assessment for the Paphos-Polis Highway, 2003. Environmental Team Leader responsible for the detailed design of a two-lane motorway between Paphos and Polis through high value hilly landscape with locally important ecology and with major earthworks. Client: Ministry of Public Works. For Scott Wilson Ltd.
Nepal/Bhutan: Landslide Risk Assessment in the Rural Access Sector, 2000-2003. Project Manager and Team Leader for a comprehensive study of landslides and earthworks stability in Nepal and Bhutan. Research into the use of digital remote sensing for landslide identification and the development of landslide inventories and landslide susceptibility, hazard and risk mapping. Developed a best practice guide to landslide management in the rural access sector and carried out comprehensive training of public and private sector practitioners in remote sensing, GIS, landslide mapping and route corridor management. Winner of the British Consultants and Construction Bureau (BCCB) Sustainability Award 2005 for Landslide Research. Client: Department for International Development, Ministry of Local Development, Nepal and Department of Roads, Bhutan. For Scott Wilson Ltd.
Tajikistan: Emergency Assistance for Baipaza Landslide, 2002. Staff Consultant Geomorphologist to the Asian Development Bank employed to assist with the development of a loan project to the Government of Tajikistan for the investigation and design of works to mitigate the impact of the Baipaza landslide on hydropower activities in the Vascsh River. Client: Asian Development Bank/BarkiTajik. For Scott Wilson Ltd.
Vietnam: Retraining of Highway Professionals, 2001. Trainer of trainers in the field of environmental impact and geo-hazard assessment and mitigation. Client: Department for International Development, UK. For Scott Wilson Ltd
Dominica: Hurricane Damage Rehabilitation, 2001. Slope stability specialist to review damage cause by Hurricane Lenny, including the scheduling of slope and road reinstatement works for inland and coastal areas.Client: Government of the Commonwealth of Dominica. For Scott Wilson Ltd.
Barbados: Soil Conservation Development Study, 2000. Team Leader responsible for mapping landslides from aerial photograph interpretation and field mapping in the Scotland District. The study involved the use of GIS to analyse spatial relationships and to develop landslide susceptibility maps. Client: Ministry of Agriculture and Rural Development. For Scott Wilson Ltd.
Montserrat: Geomorphologist for the Bramble Airport Volcanic Hazard Study, 2000. Carried out a rapid field assessment of lahar hazard posed by the Montserrat volcano to the Bramble Airport. Investigations included stability analyses and lahar/debris flow modelling to assess the ongoing hazard to airport operation and protection. Client: Department for International Development, UK. For Scott Wilson Ltd.
Philippines: Feasibility Study, Detailed Design and Construction Supervision of Earthquake and Typhoon Damage Recovery Works, Halsema Highway, 1997 – 2000. Geomorphologist responsible for inventory of slope problems and outline slope and road reinstatement measures through extremely difficult and unstable mountain terrain. Development of detailed design of slope works and specialist visits during construction supervision. Client: Department of Public Works and Highways. For Scott Wilson Ltd.
Hong Kong: Update of the Natural Terrain Landslide Inventory, 1998 - 1999. Project Manager and Principal Investigator responsible for a team of landslide experts tasked with the update of the NTLI from aerial photography and ground truthing. Client: Geotechnical Engineering Office, CEDD. For Scott Wilson Ltd.
Hong Kong: Tsuen Wan Housing Development. Natural Terrain Hazard Assessment, 1999. Debris flow and natural terrain hazard assessment for a housing development in Tsuen Wan. This study comprised aerial photograph interpretation, field mapping and debris flow runout modelling to assess the potential risk to the proposed development. A terrain classification was devised to assist in the interpretation of ground conditions and interpretation of successive aerial photographs enables slope processes and materials to be interpreted in terms of chronology and hazard. Client: Private Developer, Hong Kong. For Scott Wilson Ltd.
Hong Kong: Jordan Valley/Anderson Road and Chinese University Terrain Assessments, 1999.
Aerial photograph interpretation and site assessments for natural terrain evaluation of slope instability.
Client: Geotechnical Engineering Office, CEDD. For Scott Wilson Ltd.
Bhutan: Rapid Review of Critical Landslide Areas, 1999. Rapid assessment of two critical landslide areas on the Bhutan road network, including the large recurrent landslide between Phuentsoling on the Indian border and Thimpu, the capital. Client: Department of Roads. For Scott Wilson Ltd.
UK: Peer Review Geomorphologist for Railway Earthworks Risk Assessment Study, 1999. Review consultant for a comprehensive earthworks stability risk assessment for the Settle to Carlisle railway through mountainous terrain in NW England. Slope inventories were prepared at sites of known failure or previously identified sites of High or Moderate Risk, and remedial measures proposed. In addition, the inventories, together with measured slope geometry, geological maps, field mapping and aerial photographs, have been used to assign risk levels along the entire railway length (115 km) wherever cut or fill slopes exceed 3m in height. Client: Union Rail. For Scott Wilson Ltd.
Nepal: Geotechnical Engineer, Third Road Improvement Project, 1996 – 1999. Visiting specialist responsible for design review of a total of 130km of road improvement and the provision of slope and drainage management advice, analysis and design with respect to the Sahajpur - Dadeldhura road, Lamahi - Tulsipur road, Maikhola - Ilam road and the Doti roads in the Far West. Client: Department of Roads. For Scott Wilson Ltd.
Malaysia: Geotechnical Engineer, North-South Expressway, 1997. Responsible for geomorphological assessments and oblique air photo interpretation of highway slopes for stability analysis. Client: Transport Research Laboratory, UK, for PLUS. For Scott Wilson Ltd.
Hong Kong: Area 54 Feasibility Study, 1997. Natural terrain hazard assessment for a proposed housing development in Area 54 of the New Territories.Client: Geotechnical Engineering Office, CEDD. For Scott Wilson Ltd
UK: Overseas Road Note 16, 1997. Principal Author of Overseas Road Note 16 (on behalf of the Transport Research Laboratory, UK) The Road Note is entitled “Principles of Low Cost Road Engineering in Mountainous Regions and presents guidelines for the geological, geotechnical, hydrological and engineering design of roads in unstable mountains with particular reference to the Himalayas. Client: Transport Research Laboratory, UK. For Scott Wilson Ltd.
Hong Kong: Foothills Bypass, Tuen Mun, 1996. Design review of slope stabilisation works, highway earthworks and drainage in an area of extensive slope instability. Preparation of a report on debris flow initiation and runout potential along the Foothills Bypass, Tuen Mun, Hong Kong. Client: Geotechnical Engineering Office, CEDD. For Scott Wilson Ltd.
Malaysia: Hill 10 Slope Failure, North-South Expressway, 1996.
Rapid assessment of cut slope failure and review of slope management options.
Client: PLUS. For Scott Wilson Ltd.
Mongolia: Transport Rehabilitation Project; Roads Sub-Project, 1996. Project Manager responsible for training and technical assistance in upgrading road maintenance techniques. Preparation of guidelines for road maintenance techniques and environment practice. Client: Department of Roads. For Scott Wilson Ltd.
Malawi: Karonga – Chitipa Road Improvement Project, 1995.
Review of EIA and incorporation of findings into the design. The study also included consideration of detailed alignment, cross section and erosion control.
Client: Ministry of Works. For Scott Wilson Ltd.
Malaysia: Road Maintenance Management and Practice Course, Kuala Lumpur, 1995.
Trainer at IKRAM on Environmental and Geotechnical Engineering Modules. The environmental module covered the complete range of environmental issues associated with road construction and maintenance in Malaysia while the geotechnical module concentrated on engineering geology, slope stabilisation and erosion control in Malaysia with a site visit to the KL -Karak Highway.
Client: IKRAM. For Scott Wilson Ltd
Mongolia: Nallah–Choir Feasibility Study, 1994.
Responsible for a comprehensive Initial Environmental Examination for 200km of proposed paved road in Mongolia. The study relied on fieldwork for the majority of its database and examined a range of environmental and related engineering issues including plant ecology, herd management, landuse, drainage, construction materials sources and extraction, erosion control, cultural and heritage and socio-economics. The study formed part of a broad Road Master Plan and Feasibility Study funded by the Asian Development Bank.
Client: Department of Roads. For Scott Wilson Ltd.
Nepal: Naubise-Malekhu-Mugling Road Landslide Stabilisation, 1993 - 1994. Geomorphological mapping, design and supervision of ground investigation at four large landslide sites. Slope stability analysis and design of stabilisation works with field visits to inspect excavations for wall foundations and refine stability analyses. Client: Department of Roads. For Scott Wilson Ltd.
Nepal: Naubise-Malekhu-Mugling Flood Damage Rehabilitation, 1993. Flood damage assessment and preliminary cost estimate for remedial works following unprecedented flooding along this 84km length of road in the Trisuli Valley in July 1993. This assignment included the inventory of flood, scour and landslide damages, compilation of contractors' rates from previous projects, preliminary design of road reinstatement, scour protection and stabilisation works at affected sites, and preparation of bills of quantities for preliminary cost estimation. Client: Department of Roads. For Scott Wilson Ltd
Nepal: Arun Access Road Feasibility Study and Detailed Design, 1989 - 1993
Geomorphological studies for route selection. River route and hill route options were considered using aerial photograph interpretation and geomorphological walkover surveys, terrain modelling and hazard summaries. Detailed surveys and environmental monitoring systems were undertaken along hill route and river route options. Client: Department of Roads, Nepal Electricity Authority and Transport Research Laboratory, UK. For Scott Wilson Ltd
Papua New Guinea: Multi-disciplinary Geotechnical Study, Ok Tedi Mine, 1989 – 1991. Geomorphologist providing contributions to the geotechnical team and responsible for several hazard and risk mapping projects. This included aerial photograph interpretation, terrain unit classification and 1:2,500 scale detailed geomorphological mapping at several landslide sites to develop ground models for the interpretation of hazard and risk. 1:10,000 scale maps showing landslide and erosion hazard were prepared of the entire mine site and the 190km long service corridor (road, power transmission and slurry pipeline). Landslide runout modelling was also undertaken on the slopes above the mine township to assess likely future scenarios.Client: Ok Tedi Mining Limited. For Scott Wilson Ltd
Nepal: Geomorphological Assessments for Road Alignment Schemes, 1989. Geomorphological walkover surveys and air photograph interpretations for the Char ali Taplejung Road in east Nepal, the Baitadi-Darchula Road in west Nepal and the Naubise-Mugling road in Central Nepal. Client: Department of Roads. For Scott Wilson Ltd
Nepal: Mountain Risk Engineering Training Course, 1989. Classroom and field training in geomorphology for the Mountain Risk Engineering Course at the International Centre for Integrated Mountain Development, Kathmandu.
UK: Various Assignments, 1998 Temporary Resident Engineer for Contract C Phase 1 Ground Investigations: Former Industrial and Waste Disposal Sites, Kent and Essex. Client: Union Railways. For Scott Wilson Ltd
UK: Preliminary geomorphological assessment of the effects of channelisation of the River Bollin in Cheshire, as part of the proposed works for a second runway at Manchester Airport. For Scott Wilson Ltd
UK: Environmental Team Leader for Section C of the Channel Tunnel Rail Link between Ashford and Maidstone, Kent
responsible for the co-ordination of environmental input to the Engineering Design Team. Client: British Railways. For Scott Wilson Ltd
UK:Air photograph interpretation and preliminary ground assessment for the Channel Tunnel Rail Link, Section C, and production of the Geotechnical Desk Study Report. Client: British Railways. For Scott Wilson Ltd
UK:Lecturer in Environmental Assessment and Geotechnical Engineering at the SWK/Crown Agents Road Maintenance Management and Practice course in UK funded by the British Council.
For Scott Wilson Ltd
Java: Cikampek-Padalarang Road Feasibility Study, 1998. Member of a site team responsible for terrain evaluation, materials assessments and slope stability studies for dual carriageway alignment and construction feasibility between Cikampek and Padalarang in West Java, Indonesia. Client: Cementation. For Rendel Palmer & Tritton (now HighPoint Rendel)
Turkey: Geomorphological Assessment of the Catak Landslide Disaster, 1988 Site team leader and project manager for a landslide hazard assessment in northeast Turkey. Responsibilities included an assessment of landslide risk in a landslide disaster area and engineering geological and geomorphological assessments of other existing and potential landslide sites in the surrounding area. Inventories were made of cut slope stability along highways and broad recommendations made with regard to future route planning and earthworks design, landslide hazard assessment and landuse planning. Client: British Aerospace. For Rendel Palmer & Tritton (now HighPoint Rendel)
UK: Various Geomorphological and Engineering Geological Investigations, 1985 - 1988 Site team leader and project manager for a cliff stability study along a 3km length of coastline on the Isle of Wight, UK. The project comprised engineering geological mapping of the cliff face, cliff fall hazard and risk mapping, assessments of existing remedial measures and recommendations for further stabilisation works and cliff management strategies in an area of high tourist amenity. Client: South Wight Borough Council. For Rendel Palmer & Tritton (now HighPoint Rendel)
UK: Responsible for engineering geomorphological mapping of a kilometre length of unstable cliff line in North Yorkshire, UK together with assessments of materials suitability for use in stabilisation earthworks. Also responsible for the establishment of a beach process monitoring programme in conjunction with the local authority. Client: Scarborough Borough Council. For Rendel Palmer & Tritton (now HighPoint Rendel)
UK: Responsible for the supervision of ground investigations (rotary core, shell and auger boring, trial pitting and in situ testing) for landslide investigations and the design of stabilisation works and foundations design for buildings and bridges. Client: Department of Transport, London Borough of Barking, Gwent Land Reclamation. For Rendel Palmer & Tritton (now HighPoint Rendel)
UK: Responsible for slope stability and groundwater assessments for landfill (domestic and industrial refuse) management in old Oxford Clay pits in Bedfordshire, UK. Client: Redland Land Fill. For Rendel Palmer & Tritton (now HighPoint Rendel)
Project engineer for rock slope stability mapping and foundations assessments for dockside materials handling facilities in Cornwall, UK. Engineering geological and geomorphological mapping for bypass projects in Southern England. Client: English China Clays. For Rendel Palmer & Tritton (now HighPoint Rendel)
UK:Project engineer and co-author of a desk study review of landsliding in Great Britain for the Department of the Environment.
The study consisted of a review of landslide investigation techniques and stabilisation measures employed in Great Britain and a comparison with overseas practice with recommendations for future landslide management, landuse planning and development policies in Great Britain. Client: Department of Transport. For Rendel Palmer & Tritton (now HighPoint Rendel)
UK:Coordinator of an environmental and geomorphological study of the area surrounding the proposed site for the Fawley B Power Station on Southampton Water. The study included interpretation and quantification of coastal processes from air photographs and published wind and wave climate data and liaison with environmental specialists with regard to saltmarsh management, terrestrial ecology, impact studies and public amenity. Environmental Statements were prepared in accordance with the European Economic Community Directive. Client: Central Electricity Generating Board. For Rendel Palmer & Tritton (now HighPoint Rendel)
UK: As part of the pre-application studies for the Hinkley Point power station, Somerset, Dr Hearn undertook a coastal physiography study of the neighbouring coastline. The study comprised interpretation of air photographs and published data, the establishment of an airborne monitoring exercise, surveys of beach and cliff materials and assessments of cliff erosion processes and rates, patterns and volumes of longshore drift. Client: Central Electricity Generating Board. For Rendel Palmer & Tritton (now HighPoint Rendel)
UK: Research Assistant, Trent Polytechnic, Nottingham. Member of a team developing computer-based models for predicting storm runoff from urban catchments, 1982
Invited Papers and Keynote Presentations
Bridging the gap between the supply and demand for geo-mapping in emerging economies. Presentation at the William Smith Meeting Part 2: 200 years and beyond; the future of geological mapping. Geological Society of London, 5 November 2015.
Engineering Challenges for Sustainable Development in Mountainous Areas. Invited Keynote Presentation at the Conference on Sustainable Resource Development in the Himalayas, Leh, Ladakh, 24-26 June 2014. Organised by the Geological Society of London and the Institute of Energy Research and Training, University of Jammu, India.
Mapping Calcretes for Road Construction Purposes in Mozambique. ARRB Symposium, Cairns, Australia, November 2013. Invited Presentation on Behalf of AFCAP.
Engineering Geology for Rural Infrastructure Development. Geology for Global Development. Invited Speaker, Burlington House, October 2013.
Paphos landslide study – engineering geological mapping, ground investigation and slope stability analysis, Paphos, Cyprus, Geological Survey Department, October 2011. Speaker and Keynote Presentation.
Landslide Risk Management in Mountain Regions: Climate, Geology and Land Use Interactions, International Conference on Climate Change and Natural Hazards in Mountain Areas, Dushanbe, 19-21 September, 2011, UNDP. Keynote Presentation.
Slope stability for low volume roads: experience in Laos and in Asia. Invited Speaker and Specialist Contributor to Asian Development Transport Forum: Pathways to Sustainable Transport, May 2010, Manila.
Managing geo-hazard for infrastructure and land use planning in mountain areas, Mountain Hazards Seminar, Dushanbe, 2009. Focus Humanitarian International, Invited Speaker.
Natural terrain hazard assessment: the art of applied science, Proceedings of the Conference on Natural Terrain – a Constraint on Development? Institution of Mining and Metallurgy, Hong Kong Branch. Invited Presentation and Expert Panel.
Hearn, G. J. 2017. Geomorphology in engineering geological mapping and modelling. Published in March 2019. Bulletin of Engineering Geology and the Environment. Click here to view publication.
Hearn, G.J. 2020. Editorial. Proceedings of the Institution of Civil Engineers – Municipal Engineer, 173, 4, 185-186. Click here to view publication.
Hearn, G.J. 2020. Getting the basic ground model right in engineering practice. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J. & Pongpanya, P. 2020. Developing a landslide vulnerability assessment for the national road network in Laos. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J., Howell, J. & Hunt, T. 2020. Performance of slope stabilisation trials in Laos. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J., Larkin, H., Papageorgiou, A. & Elina Zoi, G. 2020. Acceleration of the Pissouri landslide, Cyprus. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J. & Hart, J. R. 2020. Engineering on the precipice: the performance of mountain road rehabilitation in the Central Cordillera of the Philippines. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Larkin, HE & Hearn, GJ 2019. ‘The use of remote sensing for strengthening geomorphological interpretation of ground behaviour problems at Limnes, Pissouri, SW Cyprus’, in G Gazetas & I Anastasopoulos (eds), Proceedings of the 2nd International Conference on Natural Hazards and Infrastructure, National Technical University of Athens, Athens.
Hearn, G.J. & Hart, J.R. 2019. Settlements and slides: a large landslide case study from the Central Cordillera of Luzon, Philippines. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J. & Hart, A.B. 2019. Landslide susceptibility mapping: a practitioner’s view. Bulletin of Engineering Geology and the Environment. Click here to view publication.
Hearn, G.J. 2019. Geology, geomorphology and geohazards on a section of the Betic coastline, southern Spain. Quarterly Journal of Engineering Geology and Hydrogeology, 52, 2, 208-219. Click here to view publication.
Hearn, G.J., Otto, A., Greening, A., Ayale, A. & Etefa, D. 2018. Engineering geology of cinder gravel in Ethiopia: prospecting, testing and application to low-volume roads. Bulletin of Engineering Geology and the Environment. 78, 5, 3095-3110. Click here to view publication.
Hart, A. & Hearn, G.J. 2018. Mapping geohazards in the watersheds above Leh, Ladakh: the use of publicly-available remote sensing to assist risk management. International Journal for Disaster Risk Reduction. Click here to view publication.
Hearn, G.J. 2018. Slope hazard on the Ethiopian road network. Quarterly Journal of Engineering Geology and Hydrogeology. https://doi.org/10.1144/qjegh2018-058 Hearn, G.J. Larkin, H., Hadjicharalambous, K., Papageorgiou, A. & Zoi, G.E. 2018. Proving a landslide: ground behaviour problems at Pissouri Cyprus. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J. & Duncumb, R.W. 2018. Using stereo aerial photography and InSAR to assist in the assessment of slope hazards for a hydropower project in Albania. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J. & Shakya, NH. 2017. Sustainable engineering in the Himalayas. Quarterly Journal of Engineering Geology and Hydrogeology, 50, 1, 69-80.
Hearn, G.J. 2017. Engineering geomorphology of the Koshi Highway, east Nepal. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J. & Shilston, D.T. 2017. Terrain geohazards and sustainable engineering in Ladakh, India. Quarterly Journal of Engineering Geology and Hydrogeology. Click here to view publication.
Hearn, G.J. 2017. Geo-Mapping and geo-modelling for civil engineering. Bulletin of Engineering Geology and the Environment. Published online October 2017. Click here to view publication.
Hearn, G. J. and Pettifer, G. 2016. The role of engineering geology in the route selection, design and construction of a road across the Blue Nile gorge, Ethiopia. Bulletin of Engineering Geology and the Environment, 75, 1, 163-191.
Hearn, G. J. 2015. Route Location. Chapter 2 in: O’Flaherty, C and Hughes, D (eds) Highways, the location, design, construction and maintenance of road pavements. ICE publishing, London, 5th edition.
Hearn, G. J. 2015. Managing road transport in a world of changing climate and land use. Municipal Engineer. Emergency Planning and Disaster Relief. Special themed issue from the ICE, London. Published on-line June 2015.
Hearn, G. J. 2014. Mapping calcretes for road construction purposes in Mozambique, Bull Int Assoc Engng Geol and the Environment. 74, 2, 405-426. Springer-Verlag, Berlin, Heidelberg.
Hearn, G. J. and Hunt, T. 2013. Strengthening landslide awareness and management in the mountain road sector. In: Margottini, C, Canuti, P and Sassa, K (Eds). Landslide Science & Practice, Volume 7 Social and Economic Impact & Policies. Proc. 2nd World Landslide Forum, 3-7 October 2011, Rome, 279-283.
Hearn, G., Hart, A., Morgan, C., Wise, D. & O’Donnell, N. 2012. Assessing the potential for future first-time slope failures to impact the oil and gas pipeline corridor through the Makarov Mountains, Sakhalin Island, Russia. Quarterly Journal of Engineering Geology and Hydrogeology, 45, 79-88.
Hearn, G. J. 2011. Landslide management in mountain regions: climate, geology and land use interactions. Invited Keynote Paper. International Conference on Climate Change and Natural Hazards in Mountain Areas, UNDP, Dushanbe, September 2011 (website publication).
Hearn, G. J. 2011. Slope Engineering for Mountain Roads. Engineering Geology Special Publication No 24, Geological Society of London.
Hearn, G. J. & Hart, A. B. 2011. Geomorphological contributions to landslide risk assessment: theory and practice. In: Geomorphological Mapping, Springer Verlag.
Hearn, G.J. 2010. Disaster hazard and risk reduction, Kyrgyz Republic. In: Williams, A. L., Pinches, G. M., Chin, C. Y., McMorran, T. J. and Massey, C. I. Geologically Active. Proceedings of the 11th IAEG Congress, Auckland, New Zealand, 5-10 September, 2010, Taylor and Francis Group, London.
Hearn, G J & Hunt, T. 2010. Slope engineering for low cost mountain roads. In: Williams, A. L., Pinches, G. M., Chin, C. Y., McMorran, T. J. and Massey, C. I. Geologically Active. Proceedings of the 11th IAEG Congress, Auckland, New Zealand, 5-10 September, 2010, Taylor and Francis Group, London.
Hunt. T., Hearn. G. & Howell, J. 2010. Slope stabilisation trials in Laos. In: Williams, A. L., Pinches, G. M., Chin, C. Y., McMorran, T. J. and Massey, C. I. Geologically Active. Proceedings of the 11th IAEG Congress, Auckland, New Zealand, 5-10 September, 2010, Taylor and Francis Group, London, 4207-4216.
Hearn, G. J, & Hunt, T. 2010. Road access to Lake Sarez, Tajikistan. In: Williams, A. L., Pinches, G. M., Chin, C. Y., McMorran, T. J. and Massey, C. I. Geologically Active. Proceedings of the 11th IAEG Congress, Auckland, New Zealand, 5-10 September, 2010, Taylor and Francis Group, London.
Hearn, G., Hunt, T., Carruthers, N. & Howell, J. 2009. Mainstreaming stabilisation trials to strengthen slope management practice in Laos. International Symposium on Geotechnical Engineering, Ground Improvement and Geosynthetics for Sustainable Mitigation and Adaption to Climate Change Including Global Warming, 03-04 December 2009, Bangkok, 161-167.
Hearn, G. J. & Massey, C. I. 2009. Engineering geology in the management of roadside slope failures: contributions to best practice from Bhutan and Ethiopia. Quarterly Journal of Engineering Geology and Hydrogeology, 42, 4, 511-528.
Hearn, G. J., Hunt, T., Aubrey, J. & Howell, J.H. 2008. Landslide impacts on the road network of Lao PDR and the feasibility of implementing a slope management programme. In: International Conference on the Management of Landslide Hazard in the Asia-Pacific region. The First World Landslide Forum, Sendai, Japan,11-12 November 2008.
Petley, D.N., Hearn, G.J., Hart, A., Rosser, N.J., Dunning, S.A., Oven, K. & Mitchell, W.A. 2007. Trends in landslide occurrence in Nepal. Natural Hazards, 43, 1, 23-44.
Hearn, G. J. 2004. The role of geology in landslide risk assessment for civil engineering purposes. In: Advances in Geotechnical Engineering, The Skempton Conference, Thomas Telford, London.
Hearn, G. J. 2003. Landslide risk warning for mountain communities and rural infrastructure planning. ISDR Highlights, Issue 11, 2-3.
Hart, A. B., Hearn, G. J., Petley, D. N., Tiwari, S. C. & Giri, N. K. 2003. Using remote sensing and GIS for rapid landslide hazard assessment: potential public sector uptake in Nepal and Bhutan. Proceedings of the PIARC (Permanent International Association for Roads Congress) Symposium on Sustainable Slope Management for Roads, Kathmandu, March 2003.
Hearn, G.J. 2002. Natural terrain hazard assessment: the art of applied science. Proceedings of the Conference on Natural Terrain – a Constraint on Development? Institution of Mining and Metallurgy, Hong Kong Branch, 39-60.
Hearn, G.J. 2002. Engineering geomorphology for road design in unstable mountainous areas: lessons learnt after 25 years in Nepal. Quarterly Journal of Engineering Geology and Hydrogeology, 35, 143-154.
Hearn, G. and Reynolds, J. 2002. Mountain hazard research and mitigation. In: Earthworks, 14, 6-7.
Hart, J., Hearn, G. and Chant, C. 2002. Engineering on the precipice: mountain road rehabilitation in the Philippines. Quarterly Journal of Engineering Geology and Hydrogeology, 35, 223-231.
Hearn, G. J. 2001. Low-cost road construction and rehabilitation in unstable mountain areas. In: Land Surface Evaluation for Engineering Practice, Ed: J. S. Griffiths, Geological Society of London Special Publication, 18, 135-141.
Hearn, G.J. & Griffiths, J.S. 2001. Landslide hazard mapping and risk assessment. In: Griffiths, J.S. (ed) Land Surface Evaluation in Engineering Practice. Geological Society of London, Engineering Geology Special Publication, 18, 43-52.
Hearn, G. J., Blong, R. & Humphreys, G. 2001. Terrain hazard around the Ok Tedi copper mine, Papua New Guinea. In: Griffiths, J. S. (ed). Land surface evaluation for engineering practice. Geological Society of London, Engineering Geology Special Publications, 18, 143-149.
Hearn, G. J., Hodgson, I and Woddy, S. 2001. GIS-based landslide hazard mapping in the Scotland District, Barbados. In: Griffiths, J.S. (ed) Land Surface Evaluation in Engineering Practice. Geological Society of London, Engineering Geology Special Publication, 18, 151-157.
Hearn, G.J. & Lawrance, C. J. 2000. Geomorphological Processes in Eastern Nepal as a Basis for Road Design. Transport Research Laboratory, Project R6026, PR/INT/186/00, 71pp.
Hadley, D., Hearn, G.J. & Taylor, G.R. 1998. Debris flow assessments for the Foothills Bypass, Hong Kong. In: Li, K. S., Kay, J. N. & Ho, K. K. S. (eds) Slope Engineering in Hong Kong. Proceedings of the Annual Seminar on Slope Engineering in Hong Kong, Hong Hong Institution of Engineers, A. A. Balkema, Rotterdam, 153-162.
Hearn, G. J. 1997. Principles of low cost road engineering in mountainous regions. Overseas Road Note 16, Transport Research Laboratory, Crowthorne, UK.
Hearn, G. J. 1995. Engineering geomorphological mapping and opencast mining in unstable mountains - a case study. Trans Instn Min Metall (Section A: Min industry), 104, A1-A18.
Hearn, G.J. 1995. Landslide and erosion hazard mapping at OK Tedi copper mine, Papua New Guinea. Quarterly Journal of Engineering Geology, 28, 47-60.
Heath W., Hearn, G. & McKinnon, B. 1995. Comparisons between aerial and ground-based assessments of road earthworks in Nepal. Proc. 8th Road Engineering Association of Asia and Australasia (REAAA) Conference, Taipei, April 1995.
Hearn, G.J. 1993. Rapid geomorphological reconnaissance survey for road alignment in west Nepal. Bulletin of the International Association of Engineering Geology, 48, 59-68.
Griffiths, J. S. and Hearn, G. J. 1990. Engineering geomorphology: A UK perspective. Bulletin International Association of Engineering Geology, 40, 39-44.
Hearn, G. J. and Jones, D. K. C. 1986. Geomorphology and highway design in the Himalayas: some lessons from the Dharan-Dhankuta highway, east Nepal. Proceedings of the First International Symposium on Geomorphology, 203-19.
Hearn, G. J. and Fulton, A. 1987. Hazard assessment for planning purposes: a review. In: Culshaw, MG, Bell, FG, Cripps, JC and O’Hara, M (eds). Planning and Engineering Geology, Engineering Geology Special Publication No 4. Geological Society of London.
Hearn, G. J. 1987. An Evaluation of Geomorphological Contributions to Mountain Highway Design with Particular Reference to the Lower Himalaya. PhD thesis, University of London, 431 pp.