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N. Alahacoon · SciRah

Researcher profile · Semantic Scholar

N. Alahacoon

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N. Alahacoon — researcher profile on SciRah

h-index: 15
Works: 39
Citations: 804

Most-cited papers

A comprehensive assessment of remote sensing and traditional based drought monitoring indices at global and regional scale
N. Alahacoon, M. Edirisinghe
2022Geomatics, Natural Hazards & Risk144 citations Open access
Semantic Scholar
Spatial Variability of Rainfall Trends in Sri Lanka from 1989 to 2019 as an Indication of Climate Change
N. Alahacoon, M. Edirisinghe
2021ISPRS Int. J. Geo Inf.92 citations Open access
Semantic Scholar
Satellite-Based Meteorological and Agricultural Drought Monitoring for Agricultural Sustainability in Sri Lanka
N. Alahacoon, M. Edirisinghe, M. Ranagalage
2021Sustainability75 citations Open access
Semantic Scholar
Flood risk assessment in South Asia to prioritize flood index insurance applications in Bihar, India
K. Matheswaran, N. Alahacoon, R. Pandey, G. Amarnath
2018Geomatics, Natural Hazards & Risk67 citations Open access
Semantic Scholar
Rainfall Variability and Trends over the African Continent Using TAMSAT Data (1983-2020): Towards Climate Change Resilience and Adaptation
N. Alahacoon, M. Edirisinghe, Matamyo Simwanda, E. Perera +2 more
2021Remote Sensing56 citations Open access
Semantic Scholar
A Decadal Historical Satellite Data and Rainfall Trend Analysis (2001-2016) for Flood Hazard Mapping in Sri Lanka
N. Alahacoon, K. Matheswaran, P. Pani, G. Amarnath
2018Remote Sensing52 citations Open access
Semantic Scholar
How Do Floods and Drought Impact Economic Growth and Human Development at the Sub-National Level in India?
U. Amarasinghe, G. Amarnath, N. Alahacoon, Surajit Ghosh
202044 citations Open access
Semantic Scholar
Mapping multiple climate-related hazards in South Asia
G. Amarnath, N. Alahacoon, V. Smakhtin, P. Aggarwal
201742 citations Open access
Semantic Scholar
Using smart ICT to provide weather and water information to smallholders in Africa: The case of the Gash River Basin, Sudan
G. Amarnath, G. Simons, N. Alahacoon, V. Smakhtin +4 more
201833 citations Open access
Semantic Scholar
Modelling the flood-risk extent using LISFLOOD-FP in a complex watershed: case study of Mundeni Aru River Basin, Sri Lanka
G. Amarnath, Y. Umer, N. Alahacoon, Yoshiaki Inada
201524 citations Open access
Semantic Scholar
Agricultural Drought monitoring in Sri Lanka using multisource satellite data
N. Alahacoon, G. Amarnath
2022Advances in Space Research23 citations Open access
Semantic Scholar
Flood Mapping Tools for Disaster Preparedness and Emergency Response Using Satellite Data and Hydrodynamic Models: A Case Study of Bagmathi Basin, India
G. Amarnath, K. Matheswaran, Pooja Pandey, N. Alahacoon +1 more
201718 citations Open access
Semantic Scholar
Increasing Early Warning Lead Time Through Improved Transboundary Flood Forecasting in the Gash River Basin, Horn of Africa
G. Amarnath, N. Alahacoon, Y. Gismalla, Y. Mohammed +2 more
201618 citations
Semantic Scholar
Bundled climate-smart agricultural solutions for smallholder farmers in Sri Lanka
G. Amarnath, A. Taron, N. Alahacoon, Surajit Ghosh
2023Frontiers in Sustainable Food Systems17 citations Open access
Semantic Scholar
Disaster Risk Mapping: A Desk Review of Global Best Practices and Evidence for South Asia
G. Amarnath, U. Amarasinghe, N. Alahacoon
2021Sustainability16 citations Open access
Semantic Scholar
Novel Index for Hydrological Drought Monitoring Using Remote Sensing Approach: Standardized Water Surface Index (SWSI)
N. Alahacoon, M. Edirisinghe
2022Remote Sensing14 citations Open access
Semantic Scholar
FACTORS AFFECTING WILLINGNESS TO ADOPT CLIMATE INSURANCE AMONG SMALLHOLDER FARMERS IN SRI LANKA
M. Aheeyar, U. Amarasinghe, G. Amarnath, N. Alahacoon
2023Climate Risk Management12 citations Open access
Semantic Scholar
Development of a system for drought monitoring and assessment in South Asia
G. Amarnath, P. Pani, N. Alahacoon, J. Chockalingam +5 more
2019Drought Challenges11 citations
Semantic Scholar
Long-Term Rainfall Variability and Trends for Climate Risk Management in the Summer Monsoon Region of Southeast Asia
M. Edirisinghe, N. Alahacoon, M. Ranagalage, Yuji Murayama
2023Advances in Meteorology10 citations Open access
Semantic Scholar
Mapping of selected coral reefs in Southern, Sri Lanka using remote sensing methods
T. W. S. Warnasuriya, P. Kumara, N. Alahacoon
20158 citations Open access
Semantic Scholar
Regional Drought Monitoring for Managing Water Security in South Asia
G. Amarnath, Surajit Ghosh, N. Alahacoon, Toru Nakada +2 more
2021Multi-Hazard Early Warning and Disaster Risks5 citations Open access
Semantic Scholar
COMPARISON OF SPI AND IDSI APPLICABILITY FOR AGRICULTURE DROUGHT MONITORING IN SRI LANKA
P. Pani, N. Alahacoon, G. Amarnath, G. Bharani +2 more
20165 citations
Semantic Scholar
Overview of Lightning Trend and Recent Lightning Variability over Sri Lanka
Vindhya Kalapuge, U. Maduranga, N. Alahacoon, M. Edirisinghe +2 more
2023ISPRS Int. J. Geo Inf.4 citations Open access
Semantic Scholar
Spatiotemporal Variability of Lightning Activity over the Railway Network in Sri Lanka with Special Attention to the Proposed Suburban Railway Electrification Network
U. Maduranga, M. Edirisinghe, N. Alahacoon, M. Ranagalage
2022Infrastructures4 citations Open access
Semantic Scholar
Strengthening anticipatory action with the Early Warning, Early Action and Early Finance (AWARE) Platform: a Gender Equality and Social Inclusion (GESI) lens for inclusive resilience
M. M. Ariyabandu, G. Amarnath, M. Aheeyar, N. Alahacoon +1 more
20252 citations Open access
Semantic Scholar
Insurance as an agricultural disaster risk management tool: evidence and lessons learned from South Asia
G. Amarnath, Surajit Ghosh, N. Alahacoon, Shirish Ravan +3 more
20192 citations
Semantic Scholar
The Early Warning, Early Action, Early Finance (AWARE) Platform: Promoting early warning of and effective response to climate hazards
G. Amarnath, N. Alahacoon, Emmanuel M. N. A. N. Attoh, M. Jampani +11 more
2 citations
Semantic Scholar
Assessment of farmers’ willingness to pay for bundled climate insurance solutions in Sri Lanka
M. Aheeyar, U. Amarasinghe, G. Amarnath, N. Alahacoon +2 more
20231 citations Open access
Semantic Scholar
Afghanistan Drought Early Warning Decision Support (AF-DEWS) Tool
G. Amarnath, S. Ghosh, N. Alahacoon
20231 citations Open access
Semantic Scholar
The Potential of Index Based Flood Insurance in South Asia: A case study on de-risking disasters in Bihar and Bangladesh
G. Amarnath, Surajit Ghosh, N. Alahacoon, A. Sikka +1 more
20211 citations Open access
Semantic Scholar
Comparison of SPI [Standardized Precipitation Index] and IDSI [Integrated Drought Severity Index] applicability for agriculture drought monitoring in Sri Lanka
P. Pani, N. Alahacoon, G. Amarnath, G. Bharani +2 more
20161 citations
Semantic Scholar
Rapid emergency response mapping for the 2016 floods in Kelani river basin, Sri Lanka
N. Alahacoon, P. Pani, K. Matheswaran, Srimal Samansiri +1 more
20161 citations
Semantic Scholar
Combined impacts of transformative adaptation and multiscale polycentric governance for enhancing climate resilience: a case study from Sri Lanka
U. Amarasinghe, G. Amarnath, Sachini Ukwattage, Kaushika Seelanatha +4 more
20250 citations Open access
Semantic Scholar
Flood Mapping Tools for Disaster Preparedness and Emergency Response Using Satellite Data and Hydrodynamic Models: A Case Study of Bagmathi Basin, India
G. Amarnath, K. Matheswaran, Pooja Pandey, N. Alahacoon +1 more
2017Proceedings of the National Academy of Sciences India Section A Physical Sciences0 citations Open access
Semantic Scholar
A Multihazard Regional Level Impact Assessment for South Asia
G. Amarnath, N. Alahacoon, P. Aggarwal, V. Smakhtin
20160 citations
Semantic Scholar
Earth observation technologies for flood-risk mapping and forecast rating curve for flood recession agriculture in Nigeria. Training manual prepared for Capacity building workshop on Earth Observation Technologies for Flood-risk mapping and Forecast rating curve for Flood recession Agriculture in Ni
G. Amarnath, R. Pandey, N. Alahacoon
20150 citations
Semantic Scholar
Earth observation technologies for flood-risk mapping, modeling and management. Training manual prepared for Capacity Building Workshop on Earth Observation Technologies for Flood-risk mapping, Modeling and Management, Peradeniya, Sri Lanka, 18-21 November 2014.
G. Amarnath, Yoshiaki Inada, Surajit Ghosh, Umer Yakob +4 more
20140 citations
Semantic Scholar
Manual of the Training on Development of Flood Forecasting System for Gash Basin using Hydrological Model System, held at the Hydraulic Research Station (HRS), Kassala, Sudan, 27-29 August 2013
G. Amarnath, N. Alahacoon, B. Sharma, V. Smakhtin
20130 citations
Semantic Scholar
Applicability of participatory GIS for flood risk assessment in Yen Bai City, Vietnam : abstract
Thi Hai Van Nguyen, T. Nguyen, N. Alahacoon, D. Alkema +2 more
20110 citations
Semantic Scholar

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G. Amarnath×25
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G. Amarnath — researcher profile on SciRah
M. Edirisinghe×8
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K. Matheswaran×6
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M. Ranagalage — researcher profile on SciRah

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U. Amarasinghe×4

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