Sea Level Rise

Tracking 30 Years of Sea Level Rise
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Tracking 30 Years of Sea Level Rise

Global mean sea level has risen 101 millimeters (3.98 inches) since 1992, and it continues to do so at 3.9 mm (0.15 inches) per year.

Published Aug 11, 2022

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Zuiderzee Works
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Zuiderzee Works

Where the Netherlands meets the North Sea, there is an impressive confluence of natural and man-made features.

Published Sep 6, 2021

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The Known Unknowns of Sea Level Rise
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The Known Unknowns of Sea Level Rise

The globe is warming, ice is melting, but that doesn't mean that an ocean will be returning to Vermont anytime soon.

Published Aug 3, 2021

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Anticipating Future Sea Levels
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Anticipating Future Sea Levels

While scientists have grown more confident about projections of sea level rise for the next few decades, many competing factors make it hard to see far into the coastal future.

Published Jul 8, 2021

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New Ocean Data Flowing In
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New Ocean Data Flowing In

Datasets from the Sentinel-6 Michael Freilich satellite will build upon three decades of sea level measurements.

Published Jun 22, 2021

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Discovering the Charlotte Whale
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Discovering the Charlotte Whale

The unexpected discovery of a whale skeleton hundreds of miles from the sea and more than 200 feet above sea level in 1849 is a reminder of how much sea level can change.

Published May 19, 2021

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As Jakarta Grows, So Do the Water Issues
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As Jakarta Grows, So Do the Water Issues

Sinking land, rising seas, and rainfall-driven floods pose big problems for Indonesia’s largest city.

Published May 12, 2021

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Saint Petersburg Keeps the Sea at Bay
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Saint Petersburg Keeps the Sea at Bay

A city full of cultural, historical, and architectural riches has gone to great lengths to protect itself from floods.

Published May 10, 2021

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Preparing for Rising Seas in the Maldives
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Preparing for Rising Seas in the Maldives

A new artificial island near Malé could be a destination for people trying to escape rising waters on lower-lying islands.

Published Apr 9, 2021

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Rising Seas in Charleston
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Rising Seas in Charleston

Sea level rise and new development are on a collision course in South Carolina lowcountry.

Published Jan 11, 2021

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Reshaping Coastal Louisiana
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Reshaping Coastal Louisiana

While there are efforts to reinforce its beaches and marshes, some of Barataria Bay is slowly slipping away.

Published Jan 4, 2021

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Sea Level Watcher Takes Flight
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Sea Level Watcher Takes Flight

Sentinel-6 Michael Freilich will extend a nearly 30-year continuous dataset on sea surface height.

Published Nov 24, 2020

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Isthmus of Taravao, Tahiti
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Isthmus of Taravao, Tahiti

This island’s rugged topography and dense rainforest has led most of its inhabitants to live along the coastline.

Published Nov 7, 2020

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Taking a Measure of Sea Level Rise: Ocean Altimetry
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Taking a Measure of Sea Level Rise: Ocean Altimetry

The ocean is lumpy and sloshes around its basins for natural reasons. But it is also rising, slowly and steadily.

Published Nov 5, 2020

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Taking a Measure of Sea Level Rise: Land Motion
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Taking a Measure of Sea Level Rise: Land Motion

Earth’s surface may seem motionless most of the time, but an array of measurements show that natural and human-caused processes cause coastal land to rise and fall.

Published Nov 5, 2020

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Taking a Measure of Sea Level Rise: Ice Height
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Taking a Measure of Sea Level Rise: Ice Height

Scientists project ice losses from the Greenland and Antarctic Ice Sheets will play a large part in sea level rise in the upcoming century.

Published Nov 5, 2020

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Taking a Measure of Sea Level Rise: Gravimetry
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Taking a Measure of Sea Level Rise: Gravimetry

Scientists measure ice’s gravitational pull on a pair of satellites, allowing them to estimate ice loss and its contribution to sea level rise.

Published Nov 5, 2020

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California’s Rising and Sinking Coast
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California’s Rising and Sinking Coast

Millions of people in the state live in low-lying coastal areas where land subsidence is exacerbating the risks of sea level rise.

Published Oct 23, 2020

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Great Fox is Disappearing
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Great Fox is Disappearing

Rising waters are swallowing up another island in Chesapeake Bay.

Published Dec 2, 2019

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Snow over Antarctica Buffered Sea Level Rise
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Snow over Antarctica Buffered Sea Level Rise

It snowed more, but the mass gained only compensates for some of the ice being lost in Antarctica.

Published Dec 26, 2018

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More Glaciers in East Antarctica Are Waking Up
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More Glaciers in East Antarctica Are Waking Up

Satellites detect changes in the height and velocity of ice in an area that was thought to be relatively stable and quiet.

Published Dec 11, 2018

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Sea Level Rise is Accelerating
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Sea Level Rise is Accelerating

The acceleration has been driven mainly by increased ice melting in Greenland and Antarctica, and it has the potential to double the total sea level rise projected by 2100.

Published Feb 20, 2018

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Eastern New Orleans
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Eastern New Orleans

Known as the rural side of New Orleans, the landscape is largely marshes and bayous and old European names.

Published Jun 12, 2017

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Water, Water Everywhere
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Water, Water Everywhere

The Maldives rise just a few meters above the surrounding ocean.

Published Jan 15, 2017

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Scientists Improve Maps of Subsidence in New Orleans
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Scientists Improve Maps of Subsidence in New Orleans

Through a combination of airborne radar and ground-based GPS, a research team has developed detailed models of how much land is sinking and rising in southern Louisiana.

Published May 25, 2016

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The Waters are Rising on NASA’s Shores
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The Waters are Rising on NASA’s Shores

Global sea level rise poses very local challenges for the many NASA centers situated on U.S. coasts.

Published Sep 30, 2015

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NASA’s Front Porch View of Rising Seas
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NASA’s Front Porch View of Rising Seas

The nation’s problem is also NASA’s problem: Half to two-thirds of our space infrastructure and assets stand within 5 meters of sea level.

Published Sep 8, 2015

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Watching the Rivers Flow on Greenland
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Watching the Rivers Flow on Greenland

A summer field campaign examines the hydrology of the water streaming across the top of the ice sheet.

Published Aug 30, 2015

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Sea Level Rise Hits Home at NASA
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Sea Level Rise Hits Home at NASA

Sea level rise is not just an academic concern for NASA satellites and scientists. With two-thirds of its infrastructure and assets situated on the coast, the agency has first-hand experience with the effects of rising waters.

Published Aug 26, 2015

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Airborne Instruments Look for Changes in the Delta
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Airborne Instruments Look for Changes in the Delta

Plane-mounted radar and other instruments are studying the shrinking and growing wetlands along the Gulf Coast.

Published Jun 25, 2015

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