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Open AccessArticle

Bathymetry and Canyons of the Eastern Bering Sea Slope

National Marine Fisheries Service, NOAA, Alaska Fisheries Science Center, 7600 Sand Point Way NE, Bldg. 4, Seattle, WA 98115-6349, USA
Lynker Technologies, Under contract to Alaska Fisheries Science Center, 7600 Sand Point Way NE, Bldg. 4, Seattle, WA 98115-6349, USA
Author to whom correspondence should be addressed.
Geosciences 2018, 8(5), 184;
Received: 28 February 2018 / Revised: 9 May 2018 / Accepted: 15 May 2018 / Published: 21 May 2018
(This article belongs to the Special Issue Marine Geomorphometry)
We created a new, 100 m horizontal resolution bathymetry raster and used it to define 29 canyons of the eastern Bering Sea (EBS) slope area off of Alaska, USA. To create this bathymetry surface we proofed, edited, and digitized 18 million soundings from over 200 individual sources. Despite the vast size (~1250 km long by ~3000 m high) and ecological significance of the EBS slope, there have been few hydrographic-quality charting cruises conducted in this area, so we relied mostly on uncalibrated underway files from cruises of convenience. The lack of hydrographic quality surveys, anecdotal reports of features such as pinnacles, and reliance on satellite altimetry data has created confusion in previous bathymetric compilations about the details along the slope, such as the shape and location of canyons along the edge of the slope, and hills and valleys on the adjacent shelf area. A better model of the EBS slope will be useful for geologists, oceanographers, and biologists studying the seafloor geomorphology and the unusually high productivity along this poorly understood seafloor feature. View Full-Text
Keywords: bathymetry; thalwegs; canyons; Alaska; Bering Sea bathymetry; thalwegs; canyons; Alaska; Bering Sea
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MDPI and ACS Style

Zimmermann, M.; Prescott, M.M. Bathymetry and Canyons of the Eastern Bering Sea Slope. Geosciences 2018, 8, 184.

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