Evaluation of bottom temperature from GLORYS12 and EN4 for North American continental shelf waters : from the North Atlantic, to the Arctic, to the North Pacific Oceans / by Erin Mckee, Zeliang Wang, and...: Fs97-18/355E-PDF

"Bottom temperature data is an important determinant for the distribution of many marine species. A scarcity of bottom temperature observations in Canadian shelf waters often leads to the use of ocean models and products as alternative sources of data. However, the performance of these products through validation with collected observations is not frequently conducted. We validated the ocean products EN4 and GLORYS12 using available bottom temperature observational data as a baseline comparison. Model bias, correlation, standard deviations, and trends were evaluated for eight regions of the Canadian/North American shelves: the Scotian Shelf, Gulf of St. Lawrence, Newfoundland Shelf, Labrador Shelf, Chukchi Sea, Bering Sea, Alaska Shelf, and the British Columbia Shelf. GLORSY12 out-performed the EN4 product in all regions assessed with the exception of the Gulf of St. Lawrence. Our analyses suggest that regionally averaged bottom temperature of the GLORYS12 could better represent the observed regional mean than the comparison for individual stations"--Abstract, page vi.

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