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beaches, coasts, & shorelines

A new study shows how effective coastal wetlands are at sequestering carbon
Posted inResearch Spotlights

Coastal Wetlands Effectively Sequester “Blue Carbon”

by S. Witman 21 August 20179 March 2023

Mangrove forests, salt marshes, seagrass beds, and the like are carbon storage treasure troves.

Using fluorescent lights to look for charcoal and shells in sediment layers in a cave in Indonesia to use to radiocarbon date tsunami deposits.
Posted inNews

Indonesian Cave Reveals Nearly 5,000 Years of Tsunamis

Katherine Kornei, Science Writer by Katherine Kornei 7 August 201716 March 2022

Researchers explore a coastal cave containing layers of sand deposited by 11 prehistoric tsunamis and demonstrate that the time period between massive waves is highly variable.

This visualization shows water level changes as Hurricane Georges moves into the Caribbean Sea in 1998.
Posted inScience Updates

A Test Bed for Coastal and Ocean Modeling

by R. A. Luettich Jr., L. D. Wright, C. R. Nichols, R. Baltes, M. A. M. Friedrichs, A. Kurapov, A. van der Westhuysen, K. Fennel and E. Howlett 4 August 201710 December 2022

An ocean modeling program is improving our ability to predict circulation along the U.S. West Coast, dead zones and other coastal ecosystem responses, and storm surges in island environments.

Researchers reassess the magnitude of an earthquake that shook Chile in 1730.
Posted inResearch Spotlights

Tsunami Records Show Increased Hazards for Chile’s Central Coast

Sarah Stanley, Science Writer by Sarah Stanley 24 July 20178 December 2022

Simulations of the historical quake raise new concerns: A similar event in the future could cause a devastating tsunami in Chile’s most populated coastal region.

The Harris River, on Prince of Wales Island in Alaska’s panhandle, winds through temperate rain forest to the sea.
Posted inScience Updates

Quantifying Coastal Rain Forest Carbon Transport

by A. Bidlack, B. Buma and D. Butman 19 July 201730 March 2023

Aquatic Carbon Biogeochemistry of the Pacific Coastal Temperate Rainforest Region Workshop; Seattle, Washington, 7–10 February 2017

Researchers assess how rough seafloor terrain influences waves
Posted inResearch Spotlights

Modeling Ocean Waves over Rocky Reefs

by S. Witman 12 July 201724 February 2023

A field survey in Australia links rugged seafloor terrain to erosion-causing waves.

Farmers harvest seaweed on the Zanzibar coast of Tanzania.
Posted inScience Updates

Challenges and Opportunities for Coastal Altimetry

by S. Vignudelli, J. Benveniste and P. Cipollini 6 July 20175 January 2022

10th Coastal Altimetry Workshop; Florence, Italy, 21–24 February 2017

The South Atlantic’s Ascension Island is remote, but studies show that seaborne pollution can still reach it.
Posted inResearch Spotlights

Ocean Currents Push Mainland Pollution to Remote Islands

by Jenny Lunn 8 June 201725 May 2022

Marine protected areas, set up to conserve marine ecosystems and species, accumulate pollutants swept in from mainland shores by ocean currents.

mangroves
Posted inNews

Study Finds That Coastal Wetlands Excel at Storing Carbon

Sarah Derouin, Science Writer by Sarah Derouin 16 March 201714 December 2023

Shoreline environments show more promise than other marine ecosystems for mitigating climate change, the analysis shows.

Sendai Airport following magnitude 9.0 earthquake and tsunami in March 2011.
Posted inNews

Tsunamis Leave a Telltale Chemical Trail

Katherine Kornei, Science Writer by Katherine Kornei 12 January 201717 October 2022

Researchers follow a trail of organic compounds in soil that reveals the 2011 Tohoku tsunami's path over the Japanese coastline, providing clues to how often tsunamis recur and where they travel.

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