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For nearshore #bathymetric surveys, USGS uses jet skis with GPS + sonar to monitor coastal change in these dynamic settings. On-shore support staff watch for hazards and assist with launch/landing. Other on-shore support occasionally comes from the beach-going public...

As #climatechange accelerates, the risk of sudden, large-scale shifts in #ecosystems is growing. A new USGS study examines the mechanisms behind these abrupt ecological transformations and offers a roadmap for predicting where and when they might occur: ow.ly/20H050WaR1u

#USGS conducts a variety of marine research that benefits our Nation by addressing disaster preparedness, resource assessment and management, economic development, and national security. 🌊 Learn more: ow.ly/iw5f50WcTtb #OceanMonth #oceanscience #marinescience

The USGS developed a workflow for creating 3D models of the deep #seafloor from archived video images. 🌊✨Learn more: ow.ly/4c4T50We9qN #OceanMonth #seafloormapping #USGS

The SEABOSS—used to collect images, videos, and samples of the seafloor—is undergoing an update to increase overall capabilities and allow for deep water deployment up to 500 meters. 🌊✨Learn more: ow.ly/lkYG50We9c8 #OceanMonth #USGS

#USGS marks the spot! Our science is key to understanding seabed resources. Our maps characterizing the #seafloor can help find #criticalminerals, precious metals, and other vital resources in high demand. 🌊✨Learn more: ow.ly/mHij50WcXRl #OceanMonth #seafloormapping

New research from CNES, USGS & Oregon State University uses decades of #satellitederivedshoreline data to show how #climate variability—particularly #ElNiño and #LaNiña atmospheric-circulation cycles—drives shoreline change along the North American #WestCoast: ow.ly/jpsI50WfHAo

📢Just published by University of New Orleans, @USFCA, SF Bay National Estuarine Research Reserve, USGS, @SFBCDC 📢 - Marsh Sediment in Translation: A Review of Sediment Transport Across a Natural Tidal Salt Marsh in Northern San Francisco Bay ow.ly/qUMB50WgTs7

Ocean-bottom seismographs are valuable tools for studying marine geohazards like #earthquakes. The #USGS and #WHOI developed a small fleet of instruments to deploy quickly during seismic events. 🌊✨Read our story to learn more: ow.ly/ycHZ50We9MB #OceanMonth

The #USGS is actively #mapping the #seafloor in coastal to deep sea environments. These maps provide the scientific foundation needed to address national priorities, including #publicsafety, #nationalsecurity, and #economicprosperity. 🌊✨ow.ly/wnbI50WgXw1 #OceanMonth

A new #USGS study provides insights into how #hurricanes impact #barrierislands.🌊✨Read the article in JGR Earth Surface to learn more. ow.ly/FFgv50Wh0V9

In June 2025, a team of scientists led by USGS explored and characterized benthic communities, including deep sea corals, gas-seep communities, and seamounts near volcanoes along Alaska's #AleutianIslands: ow.ly/8YXL50WitCC #Alaska #deepseaexploration

‼️Is your child texting about USGS Coastal and Marine science? 🌊 Know the shorthand ☝🏻 Jargon can be a lot—we get it. Check out these primers on our #coastalscience & #marinescience - Coasts: ow.ly/6y0j50Wj3tA Ocean: ow.ly/4bjW50Wj3tz

#Drones were used to collect aerial #remotesensing data over #SesuitMarsh in Dennis, MA to provide local partners with imagery and elevation data to monitor and identify vegetation cover of a #saltmarsh during peak growing season. 🌱✨Download data: ow.ly/glLS50WhyJN

Well, well. Contour us surprised. Who doesn't love a good map or two? And our topographic ones only scratch the surface (as it were). At USGS, we do all kinds of #mapping: subsurface geology, coastal hazard risk, land use...and yes, maps of the seafloor: ow.ly/OW7450WjJAf

The US @DepartofDefense uses USGS data to assess and respond to coastal infrastructure exposures and vulnerabilities from plausible scenarios of future mean sea level and extreme, storm-driven water levels in #Hawaii: ow.ly/a9tf50WjTTt

A #USGS study highlights the impacts of #hurricanes on #barrierislands, focusing on the #outwash process, where flooding from behind the dunes removes sand, plants, and seeds. 🌊✨Read the paper: ow.ly/J4tm50Whwze 🌊✨Download the data: ow.ly/6YU350Whwzf

A new #USGS study investigated the decomposition of #saltmarsh organic matter and found significant production of dissolved organic and inorganic #carbon and #methane, which supports export from #marshes to the #ocean. 🌿✨Read the study: ow.ly/U1t050WhB26.

Coastal communities around the world face increasing threats from #stormsurge — intense rises in sea level caused by powerful storms pushing water ashore. New research finds that storm surge likelihood is greatly underestimated along U.S. coasts: ow.ly/pgVL50WlJzT

#USGS social scientists interviewed marsh model users to learn what decisions they make about #marshes and how they use #marsh models in their work. 📊Learn more and download the data: ow.ly/8YVo50WlLEN. #saltmarsh #wetlands #socialscience #modeling