Hydrology is the study of the distribution and movement of water both on and below the Earth’s surface, as well as the impact of human activity on water availability and conditions.
5 - 8
Biology, Chemistry, Conservation, Earth Science, Ecology, Oceanography
A hydrologist measures the stream flow in a tributary to the Coeur d'Alene River.
Photograph by Smith Collection/Gado
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May 20, 2022
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