Mary McGann (Former Employee)
Science and Products
Filter Total Items: 16
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What determines the downstream evolution of turbidity currents? What determines the downstream evolution of turbidity currents?
Seabed sediment flows called turbidity currents form some of the largest sediment accumulations, deepest canyons and longest channel systems on Earth. Only rivers transport comparable sediment volumes over such large areas; but there are far fewer measurements from turbidity currents, ensuring they are much more poorly understood. Turbidity currents differ fundamentally from rivers, as...
Authors
Catharina Heerema, Peter J. Talling, Matthieu J.B. Cartigny, Charles K. Paull, Lewis Bailey, Stephen Simmons, Daniel Parsons, Michael Clare, Roberto Gwiazda, Eve M. Lundsten, Krystle Anderson, Katherine L. Maier, Jingping Xu, Esther J. Sumner, Kurt J. Rosenberger, Jenny Gales, Mary McGann, Lionel Carter, Ed Pope
Shallow-water foraminifera and other microscopic biota of Clipperton Island, tropical eastern Pacific Shallow-water foraminifera and other microscopic biota of Clipperton Island, tropical eastern Pacific
The recent foraminiferal fauna and associated microbiota of Clipperton Island (10.2833°N, 109.2167°W) were investigated at 20 sites collected in the intertidal zone around the perimeter of the island and from the edge of the inner brackish-water lagoon. Due to the island’s geographic location in a low productivity zone, a lack of variable habitats on and surrounding the island, and heavy...
Authors
Mary McGann, Robert W Schmieder, Louis-Philippe Loncke
A ship's ballasting history as an indicator of foraminiferal invasion potential--An example from Prince William Sound, Alaska, USA A ship's ballasting history as an indicator of foraminiferal invasion potential--An example from Prince William Sound, Alaska, USA
We investigated the potential role of ballast sediment from coastal and transoceanic oil tankers arriving and de-ballasting in Port Valdez as a vector for the introduction of invasive benthic foraminifera in Prince William Sound, Alaska. Forty-one ballast sediment samples were obtained in 1998-1999 from 11 oil tankers that routinely discharged their ballast in Prince William Sound after...
Authors
Mary McGann, Gregory M. Ruiz, Anson H. Hines, George D. Smith
Sediment and organic carbon transport and deposition driven by internal tides along Monterey Canyon, offshore California Sediment and organic carbon transport and deposition driven by internal tides along Monterey Canyon, offshore California
Submarine canyons provide globally important conduits for sediment and organic carbon transport into the deep-sea. Using a novel dataset from Monterey Canyon, offshore central California, that includes an extensive array of water column sampling devices, we address how fine-grained sediment and organic carbon are transported, mixed, fractionated, and buried along a submarine canyon...
Authors
Katherine L. Maier, Kurt J. Rosenberger, Charles K. Paull, Roberto Gwiazda, Jenny Gales, Thomas Lorenson, James P. Barry, Peter J. Talling, Mary McGann, Jingping Xu, Eve M. Lundsten, Krystle Anderson, Steven Litvin, Daniel Parsons, Michael Clare, Stephen Simmons, Esther J. Sumner, Matthieu J.B. Cartigny
Linking direct measurements of turbidity currents to submarine canyon-floor deposits Linking direct measurements of turbidity currents to submarine canyon-floor deposits
Submarine canyons are conduits for episodic and powerful sediment density flows (commonly called turbidity currents) that move globally significant amounts of terrestrial sediment and organic carbon into the deep sea, forming some of the largest sedimentary deposits on Earth. The only record available for most turbidity currents is the deposit they leave behind. Therefore, to understand...
Authors
Katherine L. Maier, Jenny Gales, Charles K. Paull, Kurt J. Rosenberger, Peter J. Talling, Stephen Simmons, Roberto Gwiazda, Mary McGann, Matthieu J.B. Cartigny, Eve M. Lundsten, Krystle Anderson, Michael Clare, Jingping Xu, Daniel Parsons, James P. Barry, Monica Wolfson-Schwher, Nora M. Nieminski, Esther J. Sumner
Discovery of an extensive deep-sea fossil serpulid reef associated with a cold seep, Santa Monica Basin, California Discovery of an extensive deep-sea fossil serpulid reef associated with a cold seep, Santa Monica Basin, California
Multi-beam mapping of the Santa Monica Basin in the eastern Pacific has revealed the existence of a number of elevated bathymetric features, or mounds, harboring cold seep communities. During 2013-2014, mounds at ~600 m water depth were observed for the first time and sampled by Monterey Bay Aquarium Research Institute’s ROV Doc Ricketts. Active cold seeps were found, but surprisingly...
Authors
Magdalena N Georgieva, Charles K. Paull, Crispin TS Little, Mary McGann, Diana Sahy, Daniel Condon, Lonny Lundsten, Jack Pewsey, David W Caress, Robert C Vrijenhoek
Science and Products
Filter Total Items: 16
No Result Found
Filter Total Items: 76
What determines the downstream evolution of turbidity currents? What determines the downstream evolution of turbidity currents?
Seabed sediment flows called turbidity currents form some of the largest sediment accumulations, deepest canyons and longest channel systems on Earth. Only rivers transport comparable sediment volumes over such large areas; but there are far fewer measurements from turbidity currents, ensuring they are much more poorly understood. Turbidity currents differ fundamentally from rivers, as...
Authors
Catharina Heerema, Peter J. Talling, Matthieu J.B. Cartigny, Charles K. Paull, Lewis Bailey, Stephen Simmons, Daniel Parsons, Michael Clare, Roberto Gwiazda, Eve M. Lundsten, Krystle Anderson, Katherine L. Maier, Jingping Xu, Esther J. Sumner, Kurt J. Rosenberger, Jenny Gales, Mary McGann, Lionel Carter, Ed Pope
Shallow-water foraminifera and other microscopic biota of Clipperton Island, tropical eastern Pacific Shallow-water foraminifera and other microscopic biota of Clipperton Island, tropical eastern Pacific
The recent foraminiferal fauna and associated microbiota of Clipperton Island (10.2833°N, 109.2167°W) were investigated at 20 sites collected in the intertidal zone around the perimeter of the island and from the edge of the inner brackish-water lagoon. Due to the island’s geographic location in a low productivity zone, a lack of variable habitats on and surrounding the island, and heavy...
Authors
Mary McGann, Robert W Schmieder, Louis-Philippe Loncke
A ship's ballasting history as an indicator of foraminiferal invasion potential--An example from Prince William Sound, Alaska, USA A ship's ballasting history as an indicator of foraminiferal invasion potential--An example from Prince William Sound, Alaska, USA
We investigated the potential role of ballast sediment from coastal and transoceanic oil tankers arriving and de-ballasting in Port Valdez as a vector for the introduction of invasive benthic foraminifera in Prince William Sound, Alaska. Forty-one ballast sediment samples were obtained in 1998-1999 from 11 oil tankers that routinely discharged their ballast in Prince William Sound after...
Authors
Mary McGann, Gregory M. Ruiz, Anson H. Hines, George D. Smith
Sediment and organic carbon transport and deposition driven by internal tides along Monterey Canyon, offshore California Sediment and organic carbon transport and deposition driven by internal tides along Monterey Canyon, offshore California
Submarine canyons provide globally important conduits for sediment and organic carbon transport into the deep-sea. Using a novel dataset from Monterey Canyon, offshore central California, that includes an extensive array of water column sampling devices, we address how fine-grained sediment and organic carbon are transported, mixed, fractionated, and buried along a submarine canyon...
Authors
Katherine L. Maier, Kurt J. Rosenberger, Charles K. Paull, Roberto Gwiazda, Jenny Gales, Thomas Lorenson, James P. Barry, Peter J. Talling, Mary McGann, Jingping Xu, Eve M. Lundsten, Krystle Anderson, Steven Litvin, Daniel Parsons, Michael Clare, Stephen Simmons, Esther J. Sumner, Matthieu J.B. Cartigny
Linking direct measurements of turbidity currents to submarine canyon-floor deposits Linking direct measurements of turbidity currents to submarine canyon-floor deposits
Submarine canyons are conduits for episodic and powerful sediment density flows (commonly called turbidity currents) that move globally significant amounts of terrestrial sediment and organic carbon into the deep sea, forming some of the largest sedimentary deposits on Earth. The only record available for most turbidity currents is the deposit they leave behind. Therefore, to understand...
Authors
Katherine L. Maier, Jenny Gales, Charles K. Paull, Kurt J. Rosenberger, Peter J. Talling, Stephen Simmons, Roberto Gwiazda, Mary McGann, Matthieu J.B. Cartigny, Eve M. Lundsten, Krystle Anderson, Michael Clare, Jingping Xu, Daniel Parsons, James P. Barry, Monica Wolfson-Schwher, Nora M. Nieminski, Esther J. Sumner
Discovery of an extensive deep-sea fossil serpulid reef associated with a cold seep, Santa Monica Basin, California Discovery of an extensive deep-sea fossil serpulid reef associated with a cold seep, Santa Monica Basin, California
Multi-beam mapping of the Santa Monica Basin in the eastern Pacific has revealed the existence of a number of elevated bathymetric features, or mounds, harboring cold seep communities. During 2013-2014, mounds at ~600 m water depth were observed for the first time and sampled by Monterey Bay Aquarium Research Institute’s ROV Doc Ricketts. Active cold seeps were found, but surprisingly...
Authors
Magdalena N Georgieva, Charles K. Paull, Crispin TS Little, Mary McGann, Diana Sahy, Daniel Condon, Lonny Lundsten, Jack Pewsey, David W Caress, Robert C Vrijenhoek