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Paper presented at the 37th Asian Conference on Remote Sensing (ACRS): Promoting Spatial Data Infrastructure for Sustainable Economic Development, Colombo, Sri Lanka, 17-21 October 2016. Beginning on 14 May 2016, a low pressure area over the Bay of Bengal caused torrential rain to fall across Sr...


Alahacoon, NirangaPani, PeejushMatheswaran, KarthikeyanSamansiri, SrimalAmarnath, Giriraj[Rapid emergency response mapping for the 2016 floods in Kelani river basin, Sri Lanka]Rapid emergency response mapping for the 2016 floods in Kelani river basin, Sri Lanka

Increasing frequency of drought events coupled uncertainty imparted by climate change pose grave threat to agriculture and thereby overall food security. This is especially true in South Asian region where world’s largest concentration of people depends on agriculture for their livelihood. Indic...


Pani, PeejushAlahacoon, NirangaAmarnath, GirirajBharani, GurminderMondal, S.Jeganathan, C.[Comparison of SPI [Standardized Precipitation Index] and IDSI [Integrated Drought Severity Index] applicability for agriculture drought monitoring in Sri Lanka]Comparison of SPI [Standardized Precipitation Index] and IDSI [Integrated Drought Severity Index] applicability for agriculture drought monitoring in Sri Lanka

Sri Lanka is facing severe flood events during monsoon rainfall in each year all over the country. The rapid development of remote sensing and widely available satellite images can be used effectively to map the flood inundation in past years. This study is focused on the mapping of flood inundat...


Amarnath, GirirajAlahacoon, NirangaInada, Yoshiaki[Inundations in the Sri Lanka: monitoring and analysis from MODIS [Moderate Resolution Imaging Spectroradiometer] and ALOS [Advanced Land Observing Satellite] instrument]Inundations in the Sri Lanka: monitoring and analysis from MODIS [Moderate Resolution Imaging Spectroradiometer] and ALOS [Advanced Land Observing Satellite] instrument

Over last decades, we have witnessed an upward global trend in natural disaster occurrence. Hydrological and meteorological disasters are the main contributors to this pattern. In 2011, hydrological disaster, such as floods and wet mass movements, represented 52% of the overall disaster reported,...


Amarnath, GirirajRajah, AmeerAlahacoon, NirangaInada, YoshiakiInoue, R.Aggarwal, Pramod K.[Potential of satellite data in catastrophic flood risk mapping and assessment: case studies from Asia and Africa]Potential of satellite data in catastrophic flood risk mapping and assessment: case studies from Asia and Africa

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