Smallholder irrigation may considerably contribute to agricultural productivity growth in Sub-Saharan Africa. However, the full potential of expanding smallholder irrigation under alternative irrigation technologies is not known. This paper presents a study to assess the irrigation expansion...

We investigated the spatiotemporal variability of drought incidence in Pakistan during 1960-2007 by calculating Standardized Precipitation Index fields for 3-, 6- and 12-month scales using gridded precipitation data. Principal component analysis revealed that droughts are wide-spread and often...

Water plays a major role in the climate system and in mediating impacts of climate variability and change on all sectors of the economy. The incorporation of water resources modeling into integrated assessment models (IAMs) to study climate–hydrology processes, related water impacts and...