The book deals with climate change in terms of global warming and its
resultant effects on the river flows of Pakistan. Climate change has
been identified as the variation in climatic factors occurringfrom
causes other than the natural ones. It has been defined world over as
the phenomenon ofglobal warming. The impacts of the phenomenon are
varied and cover a wide range includingbiological systems, health issues
and climatological systems. Out of the various facets of the issue, the
focus of study is on the impacts on river flow. How river flow is
affected by climate changedepends upon the sources generating the flow.
For Pakistan these are snowmelt and rainfall. Theimpact of climate
change on these sources defines the effect on river flow. As a result of
thewarming, both these factors are being affected