More than half of the solar energy absorbed by land surfaces is currently used to evaporate water. Climate change is expected to intensify the hydrological cycle and to alter evapotranspiration, with implications for ecosystem services and feedback to regional and global climate.

The waters of the Colorado River serve 27 million people in seven states and two countries but are overallocated by more than 10% of the river

Totally 19 hydrographical parameters are estimated in the Kamana and Karanji lakes of Mysore city and subjected wot hierarchical cluster analysis with the help of SYSTAT 7.0 software. Similarity of water quaity in different months (variables) is used as measure in hierarchical cluster analysis.

Hydrogeology of the Kanyakumari to Colachel aquifer was brought out by systematic hydrogeological, lithological and hydrological studies. Intensive field work was carried out to study the geomorphic and geologic variations within the study area.

A number of hydel projects and other schemes diverting water in the Ganga