GROUNDWATER 101: The basics

Dr. Thomas Harter provides a basic understanding of groundwater – what it is, how much groundwater is out there, how fast groundwater moves, and where it comes from and where it goes

Groundwater is an important part of California’s – and the nation’s water supply.   Nationwide, groundwater makes up on average 26% of the water supply.  In California, that number is significantly higher – groundwater provides nearly 40% of the water used by California’s farms and cities, and significantly more in dry years.  But what is groundwater?  In this post based on the first segment of the UC Davis shortcourse on groundwater, Dr. Thomas Harter, who is the Robert M. Hagan Endowed Chair for Water Resources Management and Policy at the University of California, Davis as well as Professor and Cooperative Extension Specialist in the Department of Land, Air, and Water Resources (among many other things), provides a basic understanding of groundwater – what it is, how much groundwater is out there, how fast groundwater moves, and where it comes from and where it goes.

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