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Explore Search: Estuarine and MaRsh Geology

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Project
View of Grand Bay, Mississippi marsh in April 2017 from the water

Estuarine and MaRsh Geology Research Project

Photography
Two scientists use a cylinder to collect mud in a grassy marsh

USGS geologists study sediment exchange in estuary and marshes

Center News
Scenic photograph of Grand Bay estuary taken from a boat

Estuarine and Marsh Geology team conducted field work in Grand Bay National Estuarine Research Reserve

Photography
a person holds a square plate on a pole with sediment piled on top of it in front of a marsh shoreline

Net Sedimentation Tile (NST)

Photography
A man kneels in a grassy marsh shoreline with a boat in the water behind him.

Measuring tidal inundation in a marsh shoreline

Photography
Three scientists stand in the water near a grassy marsh shoreline

Installing a water level gauge and camera in Grand Bay, Mississippi

Photography
A man kneels in a grassy marsh handling samples through a grid

Collecting sediment samples in the marshes of Grand Bay

Photography
Photo showing complex geomorphology of the Grand Bay marsh landscape

Photo showing complex geomorphology of the Grand Bay marsh landscape

Photography
pastel-colored sky and soft clouds at sunrise reflecting on tidal creek by marsh grasses and distant flatwood habitat

Tidal creek just after sunrise at Grand Bay National Estuarine Research Reserve and National Wildlife Refuge

Photography
USGS scientists aboard a boat measuring an estuarine sediment push core collected in an acrylic barrel.

USGS scientists with an estuarine sediment push core

Featured Films and Shorts

Native Youth in Science - Preserving Our Homelands

Center News
Looking south along the Point aux Chênes, Mississippi marsh shoreline during sample collection in October 2018

Lunch & Learn: Estuarine Shoreline Change Analysis

Featured Films and Shorts
PVC and metal mesh screen well installed in the estuary near the marsh edge

A Changing Marsh: The Past, Present, and Future of Grand Bay (AD)

Featured Films and Shorts
PVC and metal mesh screen well installed in the estuary near the marsh edge

A Changing Marsh: The Past, Present, and Future of Grand Bay

Featured Films and Shorts

Rapid salt-marsh erosion in Grand Bay, Mississippi

Photography
Photo looking down on 3 scientists kneeling in the marsh to retrieve their sediments tiles

Point aux Chênes, Mississippi marsh tile collection

Center News
Point Aux Chenes scarped marsh shoreline in September 2021

New USGS Geonarrative: A Century of Change in Grand Bay, Mississippi and Alabama

Photography
A scientist stands in a grassy marsh with a long tube-shaped piece of equipment designed to pull cores of earth from the ground

Point aux Chênes, Mississippi marsh push core

Photography
Looking south along the Point aux Chênes, Mississippi marsh shoreline during sample collection in October 2018

Point aux Chênes, Mississippi marsh shoreline

Photography
Point Aux Chenes scarped marsh shoreline in September 2021

Point Aux Chenes scarped marsh shoreline in September 2021

Photography
PVC and metal mesh screen well installed in the estuary near the marsh edge

USGS well used to collect water level data

Photography
Two USGS scientists collecting a marsh sediment push core

Collection of a marsh sediment push core in Grand Bay in October 2018

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Multibeam Bathymetry Data Collected in 2019 from Grand Bay and Point Aux Chenes Bay Alabama/Mississippi

Photography
Scenic photograph of Grand Bay estuary taken from a boat

Scenic photograph of Grand Bay estuary following a day in the field

Photography
A 21-cm marsh peat auger sediment core containing a brown peat above a gray clayey silt sediment layer

Marsh peat auger sediment core containing peat above a gray clayey silt

publication
image of publications layered on a wooden table

Changes in aquatic prey resources in response to estuary restoration in Willapa Bay, southwestern Washington

Photography
Agglutinated marsh foraminifera Entzia macrescens

Agglutinated marsh foraminifera Entzia macrescens

Photography
Agglutinated planispiral marsh foraminifera Haplophragmoides wilberti from Grand Bay

Agglutinated planispiral marsh foraminifera Haplophragmoides wilberti from Grand Bay

Photography
A 14-cm upland peat auger sediment core of a brown peat above fine tan silty sand

Upland peat auger sediment core collected in the field at Grand Bay

Photography
Collecting sediment vibracores in Grand Bay estuary from a boat in May 2016

Collecting sediment vibracores in Grand Bay estuary from a boat

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