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Press Item 2018-03-01

Autor: Amarnath, Giriraj Sikka, Alok K.

Climate change magnifies the risk of disasters and increases their costs. As the climate system has warmed, the number of weather-related hazards globally has tripled, and the number of people living in flood-prone areas and cyclone-exposed coastlines has doubled – and this trend is expected to i...

Enlace original: https://cgspace.cgiar.org/handle/10568/92096

Investigación en Agricultura
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Amarnath, Giriraj ,  Sikka, Alok K. ,  [Satellite data offers new hope for flood-stricken farmers in India] ,  Satellite data offers new hope for flood-stricken farmers in India
Report 2017-06-27

Autor: Amarnath, Giriraj Alahacoon, Niranga Smakhtin, Vladimir U. Aggarwal, Pramod K.

This Research Report presents the first comprehensive overview of the multiple climate hazard risks, and the proposed key issues and challenges facing the South Asian region. This report suggests methods for mapping such risks and estimating their impacts on people and agriculture in South Asia. ...

Enlace original: https://cgspace.cgiar.org/handle/10568/82590

Investigación en Agricultura
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Amarnath, Giriraj ,  Alahacoon, Niranga ,  Smakhtin, Vladimir U. ,  Aggarwal, Pramod K. ,  [Mapping multiple climate-related hazards in South Asia] ,  Mapping multiple climate-related hazards in South Asia
Conference Paper 2016-10-28

Autor: Alahacoon, Niranga Pani, Peejush Matheswaran, Karthikeyan Samansiri, Srimal Amarnath, Giriraj

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/80875

Investigación en Agricultura
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Alahacoon, Niranga ,  Pani, Peejush ,  Matheswaran, Karthikeyan ,  Samansiri, Srimal ,  Amarnath, 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
Conference Proceedings 2012-10-25

Autor: Amarnath, Giriraj Ameer, Mohamed Aggarwal, Pramod K. Smakhtin, Vladimir U.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/34976

Investigación en Agricultura
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Amarnath, Giriraj ,  Ameer, Mohamed ,  Aggarwal, 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
Conference Paper 2016

Autor: Pani, Peejush Alahacoon, Niranga Amarnath, Giriraj Bharani, Gurminder Mondal, S. Jeganathan, C.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/82779

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Pani, Peejush ,  Alahacoon, Niranga ,  Amarnath, Giriraj ,  Bharani, Gurminder ,  Mondal, 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
Brochure 2015-10-01

Autor: Amarnath, Giriraj

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/90939

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Amarnath, Giriraj ,  [Increasing agricultural resilience and flood-proofing livelihoods in Bangladesh] ,  Increasing agricultural resilience and flood-proofing livelihoods in Bangladesh
Book Chapter 2019-09-25

Autor: Amarnath, Giriraj Pani, Peejush Alahacoon, Niranga Chockalingam, J. Mondal, S. Matheswaran, K. Sikka, Alok Rao, K. V. Smakhtin, Vladimir
Enlace original: https://cgspace.cgiar.org/handle/10568/106441

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Amarnath, Giriraj ,  Pani, Peejush ,  Alahacoon, Niranga ,  Chockalingam, J. ,  Mondal, S. ,  Matheswaran, K. ,  Sikka, Alok ,  Rao, K. V. ,  Smakhtin, Vladimir ,  [Development of a system for drought monitoring and assessment in South Asia] ,  Development of a system for drought monitoring and assessment in South Asia
Conference Paper 2013

Autor: Amarnath, Giriraj Pavelic, Paul Smakhtin, Vladimir U.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/52040

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Amarnath, Giriraj ,  Pavelic, Paul ,  Smakhtin, 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
Journal Article 2017

Autor: Mondal, S. Jeganathan, C. Amarnath, Giriraj Pani, Peejush

Moderate Resolution Imaging Spectro-radiometer (MODIS) time-series Normalized Differential Vegetation Index (NDVI) products are regularly used for vegetation monitoring missions and climate change analysis. However, satellite observation is affected by the atmospheric condition, cloud state and s...

Enlace original: https://cgspace.cgiar.org/handle/10568/81218

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Mondal, S. ,  Jeganathan, C. ,  Amarnath, Giriraj ,  Pani, Peejush ,  [Time-series cloud noise mapping and reduction algorithm for improved vegetation and drought monitoring] ,  Time-series cloud noise mapping and reduction algorithm for improved vegetation and drought monitoring

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