Editing Geology (section)

===Hydrology===
{{Main|Hydrogeology}}

Geology and geological principles can be applied to various environmental problems such as [[stream restoration]], the restoration of [[brownfields]], and the understanding of the interaction between [[natural habitat]] and the geological environment. Groundwater hydrology, or [[hydrogeology]], is used to locate groundwater,<ref name="Hamilton, Pixie A. 1995 217">{{Cite journal |doi=10.1111/j.1745-6584.1995.tb00276.x |title=Effects of Agriculture on Ground-Water Quality in Five Regions of the United States |year=1995 |author=Hamilton, Pixie A. |journal=Ground Water |volume=33 |pages=217–226 |last2=Helsel |first2=Dennis R. |issue=2 |bibcode=1995GrWat..33..217H |url=https://zenodo.org/record/1230722 |access-date=2020-08-29 |archive-date=2020-10-31 |archive-url=https://web.archive.org/web/20201031082104/https://zenodo.org/record/1230722 |url-status=live }}</ref> which can often provide a ready supply of uncontaminated water and is especially important in arid regions,<ref>{{Cite journal |doi=10.1080/07900629948916 |title=Water Scarcity in the Twenty-first Century |year=1999 |author=Seckler, David |journal=International Journal of Water Resources Development |volume=15 |issue=1–2 |pages=29–42 |last2=Barker |first2=Randolph |last3=Amarasinghe |first3=Upali|bibcode=1999IJWRD..15...29S }}</ref> and to monitor the spread of contaminants in groundwater wells.<ref name="Hamilton, Pixie A. 1995 217"/><ref>{{Cite journal |doi=10.1111/j.1745-6584.1988.tb00397.x |title=Arsenic in Ground Water of the Western United States |year=1988 |author=Welch, Alan H. |journal=Ground Water |volume=26 |pages=333–347 |last2=Lico |first2=Michael S. |last3=Hughes |first3=Jennifer L. |issue=3|bibcode=1988GrWat..26..333W }}</ref>