Answer: Hydrologists study all aspects of water and its relation to geography, geology,
biology, and chemistry. Of greatest interest currently is how to keep our streams,
lakes, reservoirs, and subsurface water supplies from being polluted, and how
to clean up the water that has already been contaminated with a variety of inorganic
and organic chemicals. As scientists, hydrologists are always interested in
how water moves through the hydrologic cycle and where in the cycle water is
most vulnerable to degradation. Hydrologists use many tools to do their work,
from shovels to mass spectrometers, and new tools are being developed every
day. Computers undoubtedly are the most used tool. A description of hydrology
and what hydrologists do can be found at http://ut.water.usgs.gov/infores/hydrology.primer.html
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