On a large scale, hydrology is the study of
water, and how it cycles through our environment. There are several different aspects, such as ocean hydrology, which deal with
salinity, and the effect of certain
biotic and
abiotic factors on the ecosystems
? in the water. There is also the study of how water, and the pollutants
? that come with it, flow through the ground. Groundwater
? is a major area of interest, as is acidification
?.