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Displaying 1 - 4 of a total of 4 items
September 04, 2018
By the numbers: Indiana
5,874 geoscience employees (excludes self-employed) in 20171
699 million gallons/day: total groundwater withdrawal3
$1.02 billion: value of nonfuel mineral production in 20174
48 total disaster declarations, including 24 severe storm, 12 flood, and 6 snow disasters...
August 28, 2018
Climate Science 101
Climate is the average of weather conditions over several decades.1,2 Geoscientists monitor modern climate conditions (1880 A.D. to present) in part by taking direct measurements of weather data (i.e., air temperature, rainfall and snowfall, wind speed, cloudiness, and so on)...
February 26, 2018
Earthquakes in the New Madrid Fault Zone
The New Madrid fault zone (NMFZ) is a long-established weakness in the Earth’s crust in the central and eastern US where earthquakes have occurred for hundreds of millions of years. In 1811-1812, three large earthquakes (up to magnitude 7.5) caused severe...
September 07, 2017
Introduction
Dry wells improve stormwater drainage and aquifer recharge by providing a fast, direct route for rainwater to drain deep into underlying sediment and rock. Dry wells are most common in the western U.S. where clay or caliche layers slow down the natural drainage of water into...
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