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News Release 18-053

Scientists use satellites to measure vital underground water resources

Latest space technology allows looks beneath Earth’s surface

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California's Central Valley, with the rugged hills of the Coast Ranges in the background.

California's Central Valley, with the rugged hills of the Coast Ranges.

Credit: Wikimedia Commons


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Map showing California's Central Valley, which runs through a large part of the state.

Map showing California's Central Valley, which runs through a large part of the state.

Credit: Wikimedia Commons


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Map showing the Sacramento River and its watershed, which are part of the Central Valley.

The Sacramento River and its watershed are part of the Central Valley.

Credit: Wikimedia Commons


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Map showing the San Joaquin River and its watershed, which are part of the Central Valley.

The San Joaquin River and its watershed are also part of the Central Valley.

Credit: Wikimedia Commons


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Aerial view of the Central Valley, showing agricultural fields and housing developments.

Much of the Central Valley has been modified by agriculture and other human uses.

Credit: Wikimedia Commons


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Satellite view of the Central Valley.

The Central Valley, viewed from space.

Credit: NASA


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