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Photo of Owen measuring streamflow.

Science Highlights

Wildfires, Water, and CAWSC Science

19 October 2017

There's no denying that California's landscape is prone to drought and warmer climates. The recent drought lasted five years (2011 – early 2017), bringing with it many environmental issues including the increased prevalence, severity, and duration of wildfires. While there used to be a distinct "wildfire season" in California, the threat of wildfire is no longer restricted to a single season, and is now a year-round hazard.

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Water Science in the Lake Tahoe Basin

23 August 2017

Lake Tahoe is the largest alpine lake in North America. It currently attracts almost 3 million visitors a year. After the 1960 Winter Olympics at Squaw Valley, it became a major tourist attraction, which resulted in increased development and an influx of motorized watercraft to the lake. Damage to the lake soon became noticeable with a reduction in lake clarity. This catalyzed a movement to use science and regional planning to reduce human impacts on the lake.

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Electromagnetic Surveys in the Sky and on Land Give a View of What’s Below Earth’s Surface

20 July 2017

It’s like something out of a science-fiction movie: in an empty field in the middle of nowhere, hundreds of feet of wire hum with barely audible electricity. A group of scientists take a peek under the Earth’s surface, all without disturbing a speck of soil; what is revealed to them will forever change their understanding of this part of the planet. On a 1950s silver screen, mad-scientists in impeccable lab coats would have discovered an underground colony or remnants of a long-lost civilization. In the 21st century, actual real-life scientists in dusty clothes uncover the geological secrets stored underground, secrets that shape their knowledge of an area’s geological history and groundwater resources.

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Mercury's Lasting Legacy: Measuring Contamination in Cache Creek

12 June 2017

On a cold, rainy morning in late January, a group of scientists from the U.S. Geological Survey's California Water Science Center gather on a foggy levee road just east of the City of Woodland. Shivering as the wind howls around them, the crew pulls on thick yellow raincoats, rubber waders, and life vests. They're preparing to collect water-quality and sediment samples from the murky, brown water below – an area known as the Cache Creek Settling Basin. The scientists will test the samples for a range of water-quality constituents, but their focus is set on something specific to this site: mercury.

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American Wetlands Month

04 May 2017

May marks the annual observance of American Wetlands Month, a month dedicated to celebrating one of nature’s most productive ecosystems. Here in California, the U.S. Geological Survey – in cooperation with many other local, state, and federal agencies – studies wetlands, looking to better understand how wetlands work, and the importance of wetlands to both humans, and the plants and animals that rely on healthy wetlands to survive.

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