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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.
Joshi, Pramod K.Priyanka, N.Amarnath, Giriraj[Geospatial tools to assess forest ecosystems under climate change trajectories]Geospatial tools to assess forest ecosystems under climate change trajectories
Amarnath, GirirajAlahacoon, NirangaSharma, Bharat R.Smakhtin, Vladimir U.[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]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
Amarnath, GirirajRajah, Ameer[Manual of the Training on Flood Inundation Mapping and Modeling: Case Study of Bangladesh, held at the Bangladesh Space Research and Remote Sensing Organization, Dhaka, Bangladesh, 12 - 16 May 2013]Manual of the Training on Flood Inundation Mapping and Modeling: Case Study of Bangladesh, held at the Bangladesh Space Research and Remote Sensing Organization, Dhaka, Bangladesh, 12 - 16 May 2013
Amarnath, GirirajSharma, Bharat R.[Manual of the Training on Application of Remote Sensing and GIS in Flood Inundation Mapping for Spate Irrigation Assessment in Sudan, jointly organized by IWMI, the Hydraulic Research Institute (HRS), Sudan, and the International Fund for Agricultural Development (IFAD), held at Wad Medani, Sudan, 15-17 January 2013]Manual of the Training on Application of Remote Sensing and GIS in Flood Inundation Mapping for Spate Irrigation Assessment in Sudan, jointly organized by IWMI, the Hydraulic Research Institute (HRS), Sudan, and the International Fund for Agricultural Development (IFAD), held at Wad Medani, Sudan, 15-17 January 2013

Soil moisture is a highly suitable indicator for assessing agricultural drought, as plants start to wilt when there is not sufficient soil water to meet evapotranspiration demand. In this study, we provide insights on information obtained from satellite surface soil moisture observations (as comp...


Modanesi, S.Massari, C.Camici, S.Brocca, L.Amarnath, Giriraj[Do satellite surface soil moisture observations better retain information about crop-yield variability in drought conditions?]Do satellite surface soil moisture observations better retain information about crop-yield variability in drought conditions?

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
Sharma, S.Ruchismita, R.Amarnath, Giriraj[Exploring formal risk management solutions for natural catastrophes review of a meso-level flood index insurance pilot in Bangladesh]Exploring formal risk management solutions for natural catastrophes review of a meso-level flood index insurance pilot in Bangladesh

This paper presents algorithm for flood inundation mapping to understand seasonal and annual changes in the flood extent and in the context of emergency response. Time-series profiles of Land Surface Water Index (LSWI), Enhanced Vegetation Index (EVI), Normalized Difference Vegetation Index (NDVI...


Amarnath, GirirajAmeer, MohamedAggarwal, Pramod K.Smakhtin, Vladimir U.[Detecting spatio-temporal changes in the extent of seasonal and annual flooding in South Asia using multi-resolution satellite data]Detecting spatio-temporal changes in the extent of seasonal and annual flooding in South Asia using multi-resolution satellite data

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