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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

In the Sahel region, seasonal predictions are crucial to alleviate the impacts of climate variability on populations' livelihoods. Agricultural planning (e.g., decisions about sowing date, fertilizer application date, and choice of crop or cultivar) is based on empirical predictive indices whose ...


Lodoun TSanon MGiannini, A.Sibiry Traoré, Pierre C.Somé, LéopoldRasolodimby JM[Seasonal forecasts in the Sahel region: the use of rainfall-based predictive variables]Seasonal forecasts in the Sahel region: the use of rainfall-based predictive variables

Quantifying rainfall at spatial and temporal scales in regions where meteorological stations are scarce is important for agriculture, natural resource management and land-atmosphere interactions science. We describe a new approach to reconstruct daily rainfall from rain gauge data and the normali...


Quiróz, R.Yarleque, C.Posadas, A.Mares, V.Immerzeel, W.W.[Improving daily rainfall estimation from NDVI using wavelet transform]Improving daily rainfall estimation from NDVI using wavelet transform
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.

The Tana River is one of Kenya’s most important rivers. It is the principal water source for Nairobi, the capital city, providing water for hydroelectric power generation and irrigation. Several of the flagship projects laid out in Vision 2030 - the blueprint that guides Kenya’s national developm...


Sood, AdityaMuthuwatta, Lal P.Silva, SandeepanaMcCartney, Matthew P.[Understanding the hydrological impacts of climate change in the Tana River Basin]Understanding the hydrological impacts of climate change in the Tana River Basin

Impacts of climate change on water resources, especially groundwater, can no longer be hidden. These impacts are further exacerbated under the integrated influence of climate variability, climate change and anthropogenic activities. The degree of impact varies according to geographical location a...


Aslam, R.A.Shrestha, S.Pandey, Vishnu Prasad[Groundwater vulnerability to climate change: a review of the assessment methodology]Groundwater vulnerability to climate change: a review of the assessment methodology

This study investigated the dependence of three riparian communities on ecosystem services in northern Ghana. Participatory mapping and ranking exercises in gender-segregated groups were used to elicit information on the communities’ livelihoods. The most important ecosystem-based activities (EBA...


Mul, Marloes L.Pettinotti, L.Amonoo, Naana AdwoaBekoe-Obeng, E.Obuobie, Emmanuel[Dependence of riparian communities on ecosystem services in northern Ghana]Dependence of riparian communities on ecosystem services in northern Ghana

In the Tana River Basin in Kenya, six Regional Circulation Models (RCMs) simulating two Representative Concentration Pathways (RCPs) (i.e., 4.5 and 8.5) were used as input to the Soil and Water Assessment Tool (SWAT) model to determine the possible implications for the hydrology and water resourc...


Muthuwatta, Lal P.[Understanding the impacts of climate change in the Tana River Basin, Kenya]Understanding the impacts of climate change in the Tana River Basin, Kenya

Remotely sensed data are often used as proxies for indirect precipitation measures over data-scarce and complex-terrain areas such as the Peruvian Andes. Although this information might be appropriate for some research requirements, the extent at which local sites could be related to such informa...


Posadas, A.Duffaut Espinoza, L.A.Yarleque, C.Carbajal, M.Heidinger, HalineCarvalho, L.Jones, C.Quiróz, R.[Spatial random downscaling of rainfall signals in Andean heterogeneous terrain.]Spatial random downscaling of rainfall signals in Andean heterogeneous terrain.

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