Monthly Currents Climatology of the Northwest Atlantic Ocean from BNAM model (1990-2015)

Monthly Currents Climatology of the Northwest Atlantic Ocean from BNAM model (1990-2015) Monthly mean currents from Bedford Institute of Oceanography North Atlantic Model (BNAM) results were averaged over 1990 to 2015 period to create monthly mean climatology for the Northwest Atlantic Ocean, which can be considered as a representation of the climatological state of the Northwest Atlantic Ocean. The BNAM model is eddy-resolving, NEMO-based ice-ocean coupled North Atlantic Ocean model developed at the Bedford Institute of Oceanography (BIO) to support DFO monitoring programs. The data available here is monthly climatology for eight selected depths (surface, 110 m, 156 m, 222 m, 318 m, 541 m, 1062 m, bottom) in 1/12 degree spatial resolution. The data for each month from 1990 until present for the entire model domain ( 8°–75°N latitude and 100°W–30°E longitude) and various depths is available upon request. The 1990-2017 model hindcast result is compared with observational data from surface drifter and satellite altimetry. The model demonstrates good skill in simulating surface currents, winter convection events in the Labrador Sea, and the Atlantic Meridional Overturning Circulation as observed at 26.5°N and 41°N. Model results have been used to interpret changes in the Labrador Current and observed warming events on the Scotian Shelf, and are reported through the annual AZMP Canadian Science Advisory Secretariat Process. When using data please cite following: Wang, Z., Lu, Y., Greenan, B., Brickman, D., and DeTracey, B., 2018. BNAM: An eddy resolving North Atlantic Ocean model to support ocean monitoring. Can. Tech. Rep. Hydrogr. Ocean. Sci. 327: vii + 18p 2023-07-11 Fisheries and Oceans Canada zeliang.wang@dfo-mpo.gc.ca Nature and EnvironmentOceans Data DictionaryXLSX https://pacgis01.dfo-mpo.gc.ca/FGPPublic/Monthly_Climatology_NorthwestAtlanticOcean_19902015/CurrentClimatology_Data_Dictionary_EnFr.xlsx Technical ReportPDF https://waves-vagues.dfo-mpo.gc.ca/Library/40731327.pdf Monthly currents climatology, 8 depthsFGDB/GDB https://pacgis01.dfo-mpo.gc.ca/FGPPublic/Monthly_Climatology_NorthwestAtlanticOcean_19902015/BNAM_Currents.gdb.7z Monthly currents climatology, surface and bottomESRI REST https://gisp.dfo-mpo.gc.ca/arcgis/rest/services/FGP/Monthly_Currents_NorthwestAtlanticOcean_19902015_EN/MapServer Monthly currents climatology, surface and bottomESRI REST https://gisp.dfo-mpo.gc.ca/arcgis/rest/services/FGP/Monthly_Currents_NorthwestAtlanticOcean_19902015_FR/MapServer

Monthly mean currents from Bedford Institute of Oceanography North Atlantic Model (BNAM) results were averaged over 1990 to 2015 period to create monthly mean climatology for the Northwest Atlantic Ocean, which can be considered as a representation of the climatological state of the Northwest Atlantic Ocean. The BNAM model is eddy-resolving, NEMO-based ice-ocean coupled North Atlantic Ocean model developed at the Bedford Institute of Oceanography (BIO) to support DFO monitoring programs. The data available here is monthly climatology for eight selected depths (surface, 110 m, 156 m, 222 m, 318 m, 541 m, 1062 m, bottom) in 1/12 degree spatial resolution. The data for each month from 1990 until present for the entire model domain ( 8°–75°N latitude and 100°W–30°E longitude) and various depths is available upon request.

The 1990-2017 model hindcast result is compared with observational data from surface drifter and satellite altimetry. The model demonstrates good skill in simulating surface currents, winter convection events in the Labrador Sea, and the Atlantic Meridional Overturning Circulation as observed at 26.5°N and 41°N. Model results have been used to interpret changes in the Labrador Current and observed warming events on the Scotian Shelf, and are reported through the annual AZMP Canadian Science Advisory Secretariat Process.

When using data please cite following:

Wang, Z., Lu, Y., Greenan, B., Brickman, D., and DeTracey, B., 2018. BNAM: An eddy resolving North Atlantic Ocean model to support ocean monitoring. Can. Tech. Rep. Hydrogr. Ocean. Sci. 327: vii + 18p

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Contact Information

Delivery Point: Bedford Institute of Oceanography, 1 Challenger Drive, PO Box 1006

City: Dartmouth

Administrative Area: Nova Scotia

Postal Code: B2Y 4A2

Country: Canada

Electronic Mail Address: zeliang.wang@dfo-mpo.gc.ca

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