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Climate change, water scarcity and food security are becoming increasingly important topics for the growing population of Africa. Due to a general lack of water resources in semi-arid and arid zones, water is an increasingly scarce input in agriculture. The impact of climate change exacerbates th...


Amarnath, GirirajSimons, G.Sharma, Bharat R.Mohammed, Y.Gismalla, Y.Smakhtin, Vladimir U.[Smart-ICT for weather and water information and advice to smallholders in Africa]Smart-ICT for weather and water information and advice to smallholders in Africa

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

Index-based flood insurance (IBFI) is an innovative approach to developing effective payout schemes for low-income, flood-prone communities. This project aims to integrate hi-tech modelling and satellite imagery with other data to predetermine flood thresholds, which could trigger speedy compensa...


Amarnath, Giriraj[Increasing agricultural resilience and flood-proofing livelihoods in Bangladesh]Increasing agricultural resilience and flood-proofing livelihoods in Bangladesh
Amarnath, GirirajPandey, RajeshAlahacoon, Niranga[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 Nigeria, Abuja, Nigeria, 5-7 May 2015]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 Nigeria, Abuja, Nigeria, 5-7 May 2015
Amarnath, GirirajAmeer, MohamedAggarwal, Pramod K.Smakhtin, Vladimir U.[An algorithm for rapid flood inundation mapping from optical data using reflectance differencing technique [Abstract only].]An algorithm for rapid flood inundation mapping from optical data using reflectance differencing technique [Abstract only].

Index-based ood insurance (IBFI) is an innovative approach to developing e ective payout schemes for low-income, ood-prone communities. This project aims to integrate hi-tech modelling and satellite imagery with other data to predetermine ood thresholds, which could trigger speedy compensation...


Amarnath, Giriraj[Increasing agricultural resilience and flood-proofing livelihoods in Bihar, India]Increasing agricultural resilience and flood-proofing livelihoods in Bihar, India

This paper addresses a snow-mapping algorithm for the Tibetan Plateau region using Moderate Resolution Imaging Spectroradiometer (MODIS) data. Accounting for the effects of the atmosphere and terrain on the satellite observations at the top of the atmosphere (TOA), particularly in the rugged Tibe...


Tang, B.H.Shrestha, B.Li, Z.L.Liu, G.Ouyang, H.Gurung, D.R.Amarnath, GirirajAung, K.S.[Determination of snow cover from MODIS data for the Tibetan Plateau Region]Determination of snow cover from MODIS data for the Tibetan Plateau Region
Amarnath, GirirajSikka, Alok K.[Satellite data offers new hope for flood-stricken farmers in India]Satellite data offers new hope for flood-stricken farmers in India

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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