Satellite-based remote sensing has revolutionized the measurement of evapotranspiration, but computer models need to be constantly refined to be reliable. Yann Chemin from IWMI has compared competing models to come up with a benchmarking framework that…
McCartney, Matthew; Cai, Xueliang; Smakhtin, Vladimir. 2013. Evaluating the flow regulating functions of natural ecosystems in the Zambezi River Basin. Colombo, Sri Lanka: International Water Management Institute (IWMI). 51p. (IWMI Research Report 148)
Water footprints measure the amount of water consumed or applied in the production of a good or service. A single cup of coffee, for example, has a water foot print of 140 liters of water. The concept is widely publicized and is now beginning to influence government policy. But according Dennis Wichelns, professor at the Institute of Water Policy National University of Singapore, that is a mistake. The problem, he argues, is that this measure looks only at the water input for particular products, and takes no account of other factors that may be more relevant to sustainable resource use. [...]
The theme of the 2013 World Day to Combat Desertification and Drought is drought and water scarcity. Don’t let our future dry up!
In the open plateaus of Burkina Faso the Volta rises from the union of the Black, White and Red Voltas, twisting its way…
One of the biggest challenges policy-makers face when dealing with climate change adaptation and mitigation is the uncertainty of predictions. This often leads them to ask climate scientists for more reliable forecasts, rather than starting to act. But…
