77% of Coastal Watersheds at Risk by 2100, NASA-DOD Study Finds

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Groundbreaking NASA-DOD research reveals 77% of coastal watersheds face saltwater intrusion threat by 2100, driven by rising seas and shifting groundwater patterns.

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Saltwater could penetrate up to 1,200 meters inland across 45% of studied coastal watersheds due to diminishing groundwater recharge rates.

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Arabian Peninsula, Western Australia, and Baja California emerge as high-risk zones for devastating groundwater contamination.

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Enhanced groundwater recharge detected in 42% of watersheds could naturally shield some regions from advancing seawater.

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Lead researcher Kyra Adams stresses management strategies must adapt based on dominant factors affecting specific coastal areas.

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NASA Sea Level Change Team draws crucial parallels between coastal flooding risks and saltwater intrusion patterns.

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Research leverages HydroSHEDS database with NASA Shuttle Radar Topography Mission data to create comprehensive predictive models

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Study factors multiple variables including water table fluctuations and coastal migration patterns from rising sea levels.

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Findings aim to protect military infrastructure while providing vital data for resource-limited coastal communities worldwide.

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