Geoscience Currents transmit snapshots of the many facets of the geoscience profession, in-depth case studies of how geoscience is applied, factsheets that provide rigorous introductions to a range of geoscience topics, workforce trends, and career paths.
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Displaying 51 - 60 of a total of 74 items
August 29, 2018
By the numbers: Alabama
4,137 geoscience employees (excludes self-employed)1
501 million gallons/day: total groundwater withdrawal3
$1.31 billion: value of nonfuel mineral production in 20174
79 total disaster declarations, including 16 hurricane, 36 severe storm, and 10 flood disasters (...
August 29, 2018
By the numbers: Alaska
3,736 geoscience employees (excludes self-employed)1
315 million gallons/day: total groundwater withdrawal3
$3.53 billion: value of nonfuel mineral production in 20174
54 total disaster declarations, including 17 severe storm, 4 fire, and 13 flood disasters (1953-...
August 29, 2018
By the numbers: Arizona
6,703 geoscience employees (excludes self-employed)1
2.76 billion gallons/day: total groundwater withdrawal3
$6.61 billion: value of nonfuel mineral production in 20174
65 total disaster declarations, including 39 fire, 13 flood, and 10 severe storm disasters (1953...
August 06, 2018
What is a rip current?
Rip currents are fast, concentrated flows of water that can form on beaches that have breaking waves.1 Every beach is different, but rips generally form when waves break across a wide surf zone and the beach bathymetry is uneven (e.g., if there are sandbars, piers, jetties,...
August 06, 2018
What is a rip current?
Rip currents are fast, concentrated flows of water that can form on beaches that have breaking waves.1 Every beach is different, but rips generally form when waves are breaking and the underwater surface is uneven (e.g., if there are sandbars, piers, jetties, or groins along...
June 01, 2018
Introduction
Drilling for oil and gas is expensive. A single well generally costs $5-8 million onshore and $100-200 million or more in deep water.1 To maximize the chances of drilling a productive well, oil and gas companies collect and study large amounts of information about the Earth’s...
June 01, 2018
Manmade Earthquakes
Any activity that significantly changes the pressure on or fluid content of rocks has the potential to trigger earthquakes. This includes geothermal energy production, water storage in large reservoirs, groundwater extraction, underground injection of water for enhanced oil...
June 01, 2018
Introduction
When oil and gas were first extracted and used on an industrial scale in the 19th century, they provided significant advantages over existing fuels: they were cleaner, easier to transport, and more versatile than coal and biomass (wood, waste, and whale oil). Diesel and gasoline...
June 01, 2018
Introduction
Geoscience – the study of the Earth – underpins our understanding of the many intersections between petroleum and the environment, from the search for resources to the study of air pollutants. Without the work of geoscientists, we would have neither the energy system nor the...
June 01, 2018
Introduction
Hundreds of thousands of people work in oil and gas extraction in the United States;1 ensuring their health and safety is a major concern for employers, regulators, trade associations, industry groups, and local communities. Work in this industry involves physical labor, 24/7...
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