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Floods are one of the most frequent and widespread natural hazards in the world. A recent example is the 2011 floods in three of the four Lower Mekong Basin Countries (Thailand, Cambodia and Vietnam) that caused severe impacts in terms of loss of life and damage to infrastructure. Several studies...


Amarnath, GirirajPavelic, PaulSmakhtin, Vladimir U.[Analysis of trends in extreme flood events and mitigation strategies in South East Asia]Analysis of trends in extreme flood events and mitigation strategies in South East Asia
Amarnath, GirirajClark, James[Drought monitoring system helps strengthen resiliency to climate change]Drought monitoring system helps strengthen resiliency to climate change
Smakhtin, Vladimir U.Pavelic, PaulAmarnath, GirirajMcCartney, Matthew P.[Managing water variability, from floods to droughts]Managing water variability, from floods to droughts

Floods are one of the most common hazards in the world, affecting people's lives and livelihoods. Flood hazard mapping and flood shelters suitability analysis are vital elements in appropriate land use planning for flood-prone areas. This paper describes application of Remote Sensing (RS) and Geo...


Uddin, K.Gurung, D.R.Amarnath, GirirajShrestha, B.[Application of remote sensing and GIS for flood hazard management: a case study from Sindh Province, Pakistan]Application of remote sensing and GIS for flood hazard management: a case study from Sindh Province, Pakistan

This paper presents an algorithm for flood inundation mapping in the context of emergency response. Rapid satellite-based flood inundation mapping and delivery of flood inundation maps during a flood event can provide crucial information for decision-makers to put relief measures in place.With th...


Amarnath, Giriraj[An algorithm for rapid flood inundation mapping from optical data using a reflectance differencing technique]An algorithm for rapid flood inundation mapping from optical data using a reflectance differencing technique
Allan, J. A.Amarnath, GirirajBalasubramanya, SoumyaDharmasena, P. B.Gaasbeek, T.[Colombo Development Dialogues 2: water security and climate variability]Colombo Development Dialogues 2: water security and climate variability

Critical information on a flood-affected area is needed in a short time frame to initiate rapid response operations and develop long-term flood management strategies. This study combined rainfall trend analysis using Asian Precipitation—Highly Resolved Observational Data Integration towards Evalu...


Alahacoon, NirangaMatheswaran, KarthikeyanPani, PeejushAmarnath, Giriraj[A decadal historical satellite data and rainfall trend analysis (2001–2016) for flood hazard mapping in Sri Lanka]A decadal historical satellite data and rainfall trend analysis (2001–2016) for flood hazard mapping in Sri Lanka
Amarnath, GirirajInada, YoshiakiGhosh, SurajitYakob, UmerAlahacoon, NirangaKota, HaradaInoue, RyosukeSchlaffer, S.[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.]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.

Flooding is one of the most devastating natural hazards in the world and its forecast is essential in flood risk reduction and disaster response decision. The lack of adequate monitoring networks, especially in developing countries prevents near real-time flood prediction that could help to reduc...


Tarpanelli, A.Amarnath, GirirajBrocca, L.Massari, C.Moramarco, T.[Discharge estimation and forecasting by MODIS and altimetry data in Niger-Benue River]Discharge estimation and forecasting by MODIS and altimetry data in Niger-Benue River

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