Brian Andrews
Brian Andrews is a Geographer with the Woods Hole Coastal and Marine Science Center.
Science and Products
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Geophysical and sampling data from the inner continental shelf: Northern Cape Cod Bay, Massachusetts Geophysical and sampling data from the inner continental shelf: Northern Cape Cod Bay, Massachusetts
The U.S. Geological Survey (USGS) and the Massachusetts Office of Coastal Zone Management (CZM) have cooperated to map approximately 480 km2 of the inner continental shelf in northern Cape Cod Bay, MA. This report contains geophysical and sampling data collected by the USGS during five research cruises between 2006 and 2008. The geophysical data include (1) swath bathymetry from...
Authors
Brian D. Andrews, Seth D. Ackerman, Wayne E. Baldwin, Walter A. Barnhardt
Geologic controls on the recent evolution of oyster reefs in Apalachicola Bay and St. George Sound, Florida Geologic controls on the recent evolution of oyster reefs in Apalachicola Bay and St. George Sound, Florida
Apalachicola Bay and St. George Sound contain the largest oyster fishery in Florida, and the growth and distribution of the numerous oyster reefs here are the combined product of modern estuarine conditions in the bay and its late Holocene evolution. Sidescan-sonar imagery, bathymetry, high-resolution seismic profiles, and sediment cores show that oyster beds occupy the crests of a...
Authors
D. Twichell, L. Edmiston, Brian Andrews, W. Stevenson, J. Donoghue, Richard Z. Poore, Lisa E. Osterman
Geophysical and sampling data from the inner continental shelf: Duxbury to Hull, Massachusetts Geophysical and sampling data from the inner continental shelf: Duxbury to Hull, Massachusetts
The U.S. Geological Survey (USGS) and the Massachusetts Office of Coastal Zone Management (CZM) have cooperated to map approximately 200 km² of the Massachusetts inner continental shelf between Duxbury and Hull. This report contains geophysical and geological data collected by the USGS on three cruises between 2006 and 2007. These USGS data are supplemented with a National Oceanic and...
Authors
Walter A. Barnhardt, Seth D. Ackerman, Brian D. Andrews, Wayne E. Baldwin
Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA
Seafloor pockmarks occur worldwide and may represent millions of m3 of continental shelf erosion, but few numerical analyses of their morphology and spatial distribution of pockmarks exist. We introduce a quantitative definition of pockmark morphology and, based on this definition, propose a three-step geomorphometric method to identify and extract pockmarks from high-resolution swath...
Authors
Brian D. Andrews, Laura L. Brothers, Walter A. Barnhardt
High-Resolution Geologic Mapping of the Inner Continental Shelf: Cape Ann to Salisbury Beach, Massachusetts High-Resolution Geologic Mapping of the Inner Continental Shelf: Cape Ann to Salisbury Beach, Massachusetts
The geologic framework of the Massachusetts inner continental shelf between Cape Ann and Salisbury Beach has been shaped by a complicated history of glaciation, deglaciation, and changes in relative sea level. New geophysical data (swath bathymetry, sidescan sonar and seismic-reflection profiling), sediment samples, and seafloor photography provide insight into the geomorphic and...
Authors
Walter A. Barnhardt, Brian D. Andrews, Seth D. Ackerman, Wayne E. Baldwin, Christopher J. Hein
Geophysical mapping of oyster habitats in a shallow estuary: Apalachicola Bay, Florida Geophysical mapping of oyster habitats in a shallow estuary: Apalachicola Bay, Florida
This report presents high-resolution geophysical data, interpretive maps, and a preliminary discussion about the oyster habitat and estuary-floor geology within Apalachicola Bay, Florida (fig. 1). During two research cruises, conducted in 2005 and 2006, approximately 230 km² of the bay floor were surveyed using interferometric-bathymetry, sidescan-sonar, and chirp seismic-reflection...
Authors
David C. Twichell, Brian D. Andrews, H. Lee Edmiston, William R. Stevenson
Science and Products
Filter Total Items: 20
No Result Found
Filter Total Items: 41
Geophysical and sampling data from the inner continental shelf: Northern Cape Cod Bay, Massachusetts Geophysical and sampling data from the inner continental shelf: Northern Cape Cod Bay, Massachusetts
The U.S. Geological Survey (USGS) and the Massachusetts Office of Coastal Zone Management (CZM) have cooperated to map approximately 480 km2 of the inner continental shelf in northern Cape Cod Bay, MA. This report contains geophysical and sampling data collected by the USGS during five research cruises between 2006 and 2008. The geophysical data include (1) swath bathymetry from...
Authors
Brian D. Andrews, Seth D. Ackerman, Wayne E. Baldwin, Walter A. Barnhardt
Geologic controls on the recent evolution of oyster reefs in Apalachicola Bay and St. George Sound, Florida Geologic controls on the recent evolution of oyster reefs in Apalachicola Bay and St. George Sound, Florida
Apalachicola Bay and St. George Sound contain the largest oyster fishery in Florida, and the growth and distribution of the numerous oyster reefs here are the combined product of modern estuarine conditions in the bay and its late Holocene evolution. Sidescan-sonar imagery, bathymetry, high-resolution seismic profiles, and sediment cores show that oyster beds occupy the crests of a...
Authors
D. Twichell, L. Edmiston, Brian Andrews, W. Stevenson, J. Donoghue, Richard Z. Poore, Lisa E. Osterman
Geophysical and sampling data from the inner continental shelf: Duxbury to Hull, Massachusetts Geophysical and sampling data from the inner continental shelf: Duxbury to Hull, Massachusetts
The U.S. Geological Survey (USGS) and the Massachusetts Office of Coastal Zone Management (CZM) have cooperated to map approximately 200 km² of the Massachusetts inner continental shelf between Duxbury and Hull. This report contains geophysical and geological data collected by the USGS on three cruises between 2006 and 2007. These USGS data are supplemented with a National Oceanic and...
Authors
Walter A. Barnhardt, Seth D. Ackerman, Brian D. Andrews, Wayne E. Baldwin
Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA
Seafloor pockmarks occur worldwide and may represent millions of m3 of continental shelf erosion, but few numerical analyses of their morphology and spatial distribution of pockmarks exist. We introduce a quantitative definition of pockmark morphology and, based on this definition, propose a three-step geomorphometric method to identify and extract pockmarks from high-resolution swath...
Authors
Brian D. Andrews, Laura L. Brothers, Walter A. Barnhardt
High-Resolution Geologic Mapping of the Inner Continental Shelf: Cape Ann to Salisbury Beach, Massachusetts High-Resolution Geologic Mapping of the Inner Continental Shelf: Cape Ann to Salisbury Beach, Massachusetts
The geologic framework of the Massachusetts inner continental shelf between Cape Ann and Salisbury Beach has been shaped by a complicated history of glaciation, deglaciation, and changes in relative sea level. New geophysical data (swath bathymetry, sidescan sonar and seismic-reflection profiling), sediment samples, and seafloor photography provide insight into the geomorphic and...
Authors
Walter A. Barnhardt, Brian D. Andrews, Seth D. Ackerman, Wayne E. Baldwin, Christopher J. Hein
Geophysical mapping of oyster habitats in a shallow estuary: Apalachicola Bay, Florida Geophysical mapping of oyster habitats in a shallow estuary: Apalachicola Bay, Florida
This report presents high-resolution geophysical data, interpretive maps, and a preliminary discussion about the oyster habitat and estuary-floor geology within Apalachicola Bay, Florida (fig. 1). During two research cruises, conducted in 2005 and 2006, approximately 230 km² of the bay floor were surveyed using interferometric-bathymetry, sidescan-sonar, and chirp seismic-reflection...
Authors
David C. Twichell, Brian D. Andrews, H. Lee Edmiston, William R. Stevenson