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Showing 1 to 20 of 48 for “"Bering"”.
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Collinear analysis of altimeter data in the Bering Sea
… information on the circulation pattern in the Bering Sea. Seventy subtracks from both ascending and descending orbits, with as many as 35 repeat cycles along each subtrack, were analyzed. Orbit errors were removed from the height data using a least-squares fit to a cubic polynomial, weighted by …
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Collinear analysis of altimeter data in the Bering Sea
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1989.
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Detecting and Modeling Landfast Ice in the Alaskan Bering Sea
… ecology, geomorphology, and climatology of the Bering Sea. In this region's coastal zones, sea ice becomes locked into a stationary position against the coastlines to become landfast ice, which influences bioegophysical processes in the region, as well as exchanges of energy and matter among …
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The paleoceanography of the Bering Sea during the last glacial cycle
… stable-isotope and planktonic-fauna records from Bering Sea sediment cores, spanning the time period from 50,000 years ago to the present. During Marine Isotope Stage 3 (MIS3) at 30-20 ky BP (kiloyears before present) in a core from 1467m water depth near Umnak Plateau, there were episodic …
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The paleoceanography of the Bering Sea during the last glacial cycle
… stable-isotope and planktonic-fauna records from Bering Sea sediment cores, spanning the time period from 50,000 years ago to the present. During Marine Isotope Stage 3 (MIS3) at 30-20 ky BP (kiloyears before present) in a core from 1467m water depth near Umnak Plateau, there were episodic …
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Risk of Ship Strike and Noise Pollution to Cetaceans in the Bering Strait
… Arctic Ocean to the Pacific Ocean through the Bering Strait, a bottleneck region between Alaska and Russia. This same Strait is important habitat for cetaceans, including cetaceans migrating to northern feeding grounds, and cetaceans that remain in the Arctic region year-round. The overlap …
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Scientific Acoustic Data from Commercial Fishing Vessels: Eastern Bering Sea Walleye Pollock (Theragra chalcogramma)
… fishing vessels operating in the winter Eastern Bering Sea (EBS) walleye pollock (Theragra chalcogramma) fishery. The spatial and temporal attributes of winter EBS pollock aggregations are not well understood due to the inaccessibility of the area to research vessels during harsh winter months. …
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Lipid Biomarkers of Bering and Chukchi Sea Euphausiids and Their Application to Diet History
<p>In the eastern Bering Sea, <em>Thysanoessa raschii</em> are the most abundant krill species and a keystone trophic member that serve as both an important grazer and link to upper level consumers. In this system krill experience large annual variation in food resources, especially during ice …
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Oceanic Light Absorption Properties: Assessment and Characterization in the Southeastern Bering Sea Using Field and Satellite Observations
In recent decades the Bering Sea has been subjected to large climatic variability with cascading consequences on its productive marine ecosystem. Long-term as well as short-term monitoring is essential if we are to maintain its capability to supply the resources on which the national and local …
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The Inhabited Arctic: Architecture, Time, and the Making of the Past in the Bering Strait (1760–1980)
… of exchange. This dissertation, centered on the Bering Sea and its adjacent geographies of eastern Siberia and Arctic North America, tells the story of how imperial upheaval and the rooting of colonial projects in the ground sparked a deliberate historiographic project to write the Arctic’s deep …
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Paleoceanography across the Pliocene–Pleistocene transition in the southern Bering Sea: dinoflagellate cysts and acritarchs from IODP Site U1341
… Program Site U1341, Bowers Ridge, southern Bering Sea, northern North Pacific has been analyzed for dinoflagellate cysts, acritarchs and other palynomorphs. Based on 86 samples, with a spacing equivalent to between 500 and 6000 years, this is the most stratigraphically detailed late Cenozoic …
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Late Cretaceous-Cenozoic Accretionary History of Volcanic Arcs and the Bering Oceanic Plateau in the Northwestern in Alaska and Northeastern Russia Constrained by Integration of Geologic, Geophysical, and Radiometric Data
… margin between northeastern Asia in Russia, the Bering Sea, and Alaska and the Aleutian Islands in the USA has slowed the tectonic understanding of this vast, 9,100,000 km2 region. In this study I have compiled geologic, gravity, magnetic, seismic reflection, well logs, heat flow, and radiometric …
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The Strait Defense: A Case Study Comparison of Global Straits
… revisit its security posture in and around the Bering Strait. At least five different grand strategies are potentially relevant in addressing this question. By comparing the suggestions of these leading grand strategy approaches to what has actually been implemented by the United States in the …
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Canadian-American Relations as Exemplified in the Settlement by Arbitration of the Alaskan Boundary Dispute, the Bering Sea Controversy, and the North Atlantic Fisheries Question, 1900-1912
… the Alaska Boundary Settlement in 1903, the Bering Sea Arbitration in 1912, and the most ancient of the three disputes, the North Atlantic Fisheries Controversy in 1912. |It is not my intention to discuss all the disputes which arose between the United States and Canada through the years, nor …
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Ocean fronts formed at sea ice boundaries
… the ocean density front is formed in the Bering sea during winter, the frontal dynamics are influenced by local shelf/slope processes. further, ice is advected across the front by the wind, thereby altering the heat flux to the ice and leading to an increase in the freshwater buoyancy flux …
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Relating the biogeochemistries of zinc, cobalt, and phosphorus to phytoplankton activities in the sea
… production in the subarctic North Pacific, the Bering Sea, and the North Atlantic Ocean, In the North Pacific and Bering Sea, total zinc concentrations were measured along a near-surface transect and in selected deep profiles. Zinc speciation was also measured with a novel anodic stripping …
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Relating the biogeochemistries of zinc, cobalt, and phosphorus to phytoplankton activities in the sea
… production in the subarctic North Pacific, the Bering Sea, and the North Atlantic Ocean. In the North Pacific and Bering Sea, total zinc concentrations were measured along a near-surface transect and in selected deep profiles. Zinc speciation was also measured with a novel anodic stripping …
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The Effect of Arctic River Hydrological Cycles on Arctic Ocean Circulation
… as point and non-point runoff; influx through Bering, Fram and/or other straits; permafrost erosion; precipitation; formation and melting of glacial and sea ice shelf mixing and efflux through Fram Strait and the Canadian Archipelago. With newly acquired data, the annual runoff discharge cycle …
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Dynamics and impacts of toxic Alexandrium catenella blooms in the Pacific Arctic
… real-time as it progressed northward through the Bering Strait region. The high resolution at which this bloom was observed provided the opportunity to initiate community event response, as well investigate the hydrodynamic drivers contributing to the extraordinary density, scale, and toxicity of …
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