Niranga Alahacoon

766 total citations · 1 hit paper
20 papers, 475 citations indexed

About

Niranga Alahacoon is a scholar working on Global and Planetary Change, Atmospheric Science and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, Niranga Alahacoon has authored 20 papers receiving a total of 475 indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Global and Planetary Change, 6 papers in Atmospheric Science and 4 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in Niranga Alahacoon's work include Hydrology and Drought Analysis (9 papers), Flood Risk Assessment and Management (8 papers) and Climate variability and models (6 papers). Niranga Alahacoon is often cited by papers focused on Hydrology and Drought Analysis (9 papers), Flood Risk Assessment and Management (8 papers) and Climate variability and models (6 papers). Niranga Alahacoon collaborates with scholars based in Sri Lanka, Canada and Zambia. Niranga Alahacoon's co-authors include Mahesh Edirisinghe, Giriraj Amarnath, Manjula Ranagalage, Upali A. Amarasinghe, Rajesh K. Pandey, Surajit Ghosh, Vincent R. Nyirenda, Matamyo Simwanda, Vladimir Smakhtin and Shuhei Yoshimoto and has published in prestigious journals such as Sustainability, Remote Sensing and Advances in Space Research.

In The Last Decade

Niranga Alahacoon

19 papers receiving 461 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A comprehensive assessment of remote sensing and traditional based drought monitoring indices at global and regional scale

2022 103 citations Niranga Alahacoon, Mahesh Edirisinghe Geomatics Natural Hazards and Risk profile →

Peers

Niranga Alahacoon

GPC

WST

EEBS

Isaac Larbi Ghana

Mekonnen Adnew Degefu Ethiopia

Demetrios E. Tsesmelis Greece

Eskinder Gidey Ethiopia

Moses Ojara Uganda

Prama Roy India

Kelly Helm Smith United States

Doina Cristina Burada Romania

Lareef Zubair United States

Ladislaus Benedict Chang’a Uganda

Isaac Larbi Ghana

Niranga Alahacoon

299 ×0.8

GPC

149 ×1.2

WST

95 ×1.0

49 ×0.6

EEBS

82 ×1.6

Citations per year, relative to Niranga Alahacoon Niranga Alahacoon (= 1×) peers Isaac Larbi

Countries citing papers authored by Niranga Alahacoon

Since Specialization

Citations

This map shows the geographic impact of Niranga Alahacoon's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Niranga Alahacoon with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Niranga Alahacoon more than expected).

Fields of papers citing papers by Niranga Alahacoon

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Niranga Alahacoon. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Niranga Alahacoon. The network helps show where Niranga Alahacoon may publish in the future.

Co-authorship network of co-authors of Niranga Alahacoon

This figure shows the co-authorship network connecting the top 25 collaborators of Niranga Alahacoon. A scholar is included among the top collaborators of Niranga Alahacoon based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Niranga Alahacoon. Niranga Alahacoon is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Alahacoon, Niranga, et al.. (2023). Overview of Lightning Trend and Recent Lightning Variability over Sri Lanka. ISPRS International Journal of Geo-Information. 12(2). 67–67. 3 indexed citations

Edirisinghe, Mahesh, Niranga Alahacoon, Manjula Ranagalage, & Yuji Murayama. (2023). Long-Term Rainfall Variability and Trends for Climate Risk Management in the Summer Monsoon Region of Southeast Asia. Advances in Meteorology. 2023. 1–12. 1 indexed citations

Amarnath, Giriraj, et al.. (2023). Bundled climate-smart agricultural solutions for smallholder farmers in Sri Lanka. Frontiers in Sustainable Food Systems. 7. 8 indexed citations

Amarasinghe, Upali A., et al.. (2023). Factors affecting willingness to adopt climate insurance among smallholder farmers in Sri Lanka. Climate Risk Management. 42. 100575–100575. 4 indexed citations

Alahacoon, Niranga & Giriraj Amarnath. (2022). Agricultural drought monitoring in Sri Lanka using multisource satellite data. Advances in Space Research. 69(11). 4078–4097. 11 indexed citations

Alahacoon, Niranga & Mahesh Edirisinghe. (2022). A comprehensive assessment of remote sensing and traditional based drought monitoring indices at global and regional scale. Geomatics Natural Hazards and Risk. 13(1). 762–799. 103 indexed citations breakdown →

Edirisinghe, Mahesh, et al.. (2022). Spatiotemporal Variability of Lightning Activity over the Railway Network in Sri Lanka with Special Attention to the Proposed Suburban Railway Electrification Network. Infrastructures. 7(7). 92–92. 3 indexed citations

Alahacoon, Niranga & Mahesh Edirisinghe. (2022). Novel Index for Hydrological Drought Monitoring Using Remote Sensing Approach: Standardized Water Surface Index (SWSI). Remote Sensing. 14(21). 5324–5324. 11 indexed citations

Amarnath, Giriraj, Upali A. Amarasinghe, & Niranga Alahacoon. (2021). Disaster Risk Mapping: A Desk Review of Global Best Practices and Evidence for South Asia. Sustainability. 13(22). 12779–12779. 7 indexed citations

10.

Alahacoon, Niranga, Mahesh Edirisinghe, & Manjula Ranagalage. (2021). Satellite-Based Meteorological and Agricultural Drought Monitoring for Agricultural Sustainability in Sri Lanka. Sustainability. 13(6). 3427–3427. 53 indexed citations

11.

Alahacoon, Niranga & Mahesh Edirisinghe. (2021). Spatial Variability of Rainfall Trends in Sri Lanka from 1989 to 2019 as an Indication of Climate Change. ISPRS International Journal of Geo-Information. 10(2). 84–84. 63 indexed citations

12.

Alahacoon, Niranga, et al.. (2021). Rainfall Variability and Trends over the African Continent Using TAMSAT Data (1983–2020): Towards Climate Change Resilience and Adaptation. Remote Sensing. 14(1). 96–96. 33 indexed citations

13.

Amarasinghe, Upali A., Giriraj Amarnath, Niranga Alahacoon, & Surajit Ghosh. (2020). How Do Floods and Drought Impact Economic Growth and Human Development at the Sub-National Level in India?. Climate. 8(11). 123–123. 41 indexed citations

14.

Amarnath, Giriraj, et al.. (2019). Insurance as an agricultural disaster risk management tool: evidence and lessons learned from South Asia. CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research).

15.

Alahacoon, Niranga, et al.. (2018). A Decadal Historical Satellite Data and Rainfall Trend Analysis (2001–2016) for Flood Hazard Mapping in Sri Lanka. Remote Sensing. 10(3). 448–448. 42 indexed citations

16.

Alahacoon, Niranga, et al.. (2018). Flood risk assessment in South Asia to prioritize flood index insurance applications in Bihar, India. Geomatics Natural Hazards and Risk. 10(1). 26–48. 48 indexed citations

17.

Amarnath, Giriraj, et al.. (2018). Using smart ICT to provide weather and water information to smallholders in Africa: The case of the Gash River Basin, Sudan. Climate Risk Management. 22. 52–66. 23 indexed citations

18.

Amarnath, Giriraj, et al.. (2017). Flood Mapping Tools for Disaster Preparedness and Emergency Response Using Satellite Data and Hydrodynamic Models: A Case Study of Bagmathi Basin, India. Proceedings of the National Academy of Sciences India Section A Physical Sciences. 87(4). 941–950. 14 indexed citations

19.

Alahacoon, Niranga, et al.. (2016). Rapid emergency response mapping for the 2016 floods in Kelani river basin, Sri Lanka. CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research). 2 indexed citations

20.

Alahacoon, Niranga, et al.. (2015). Mapping of selected coral reefs in Southern, Sri Lanka using remote sensing methods. 19. 41–55. 5 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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