15 Impacts of Climate Change on Water Resources …
337
Fig. 1 The network of major rivers in the Volta Basin (Source Water Resources Commission,
Ghana)
fluxes, wind and relative humidity. Increasing temperatures as a result of anthropogenic greenhouse gas emissions or climate change may increase water deficits via
evapotranspiration.
Precipitation is the primary source of water to the hydrological cycle. Studies in the
Volta basin examine the repartition of precipitation into various components: evapotranspiration, the outflow of the basin, seepage to groundwater and other losses (de
Condappa et al. 2008; Lemoalle and de Condappa 2009). Lemoalle and de Condappa
(2009) compute a total volume of the annual rainfall of about 395 km
3 and ET of
346 km
3 (88%), which is notably high. Outflow and groundwater recharge are only
337
Fig. 1 The network of major rivers in the Volta Basin (Source Water Resources Commission,
Ghana)
fluxes, wind and relative humidity. Increasing temperatures as a result of anthropogenic greenhouse gas emissions or climate change may increase water deficits via
evapotranspiration.
Precipitation is the primary source of water to the hydrological cycle. Studies in the
Volta basin examine the repartition of precipitation into various components: evapotranspiration, the outflow of the basin, seepage to groundwater and other losses (de
Condappa et al. 2008; Lemoalle and de Condappa 2009). Lemoalle and de Condappa
(2009) compute a total volume of the annual rainfall of about 395 km
3 and ET of
346 km
3 (88%), which is notably high. Outflow and groundwater recharge are only