Definition of "hydrology" []

• The scientific study of the properties, distribution, and effects of water on the earth's surface, in the soil and underlying rocks, and in the atmosphere. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "So instead of being buried in concrete, excised from the daily life of the city and only experienced by municipal workers, urban hydrology is visibly, even prominently, incorporated into the surface fabric of the city."
• "For a Chicago-based blog with an extraordinarily abnormal interest in hydrology, hydroengineering and hydropolitics, this is downright criminally negligent."
• "I also asked him about my theory that site effects depend mostly on hydrology, which is what we are finding here at Fox Run (water-retentive soils make better grapes in dry years, while well-drained soils make better wine in wet years – keep in mind that these are non irrigated vineyards)."