Seasonal sigma-t climatology of the Canadian Pacific Exclusive Economic Zone (1980-2010)

Seasonal sigma-t climatology of the Canadian Pacific Exclusive Economic Zone (1980-2010) Description: Seasonal sigma-t climatology of the Northeast Pacific Ocean was computed from historical observations including all available conductivity-temperature-depth (CTD), bottle, expendable bathy-thermograph (XBT), and Argo data in NOAA (http://www.argo.ucsd.edu/), Marine Environmental Data Service (MEDS), and Institute of Ocean Sciences archives over 1980 to 2010 period. Methods: Calculations, including smooth and interpolation, were carried out in sixty-five subregions and up to fifty-two vertical levels from surface to 5000m. Seasonal averages were computed as the median of yearly seasonal values. Spring months were defined as April to June, summer months were defined as July to September, fall months were defined as October to December, and winter months were defined as January to March. The data available here contain raster layers of seasonal sigma-t climatology for the Canadian Pacific Exclusive Economic Zone (EEZ), a subset of seasonal climatology of the Northeast Pacific Ocean, in high spatial resolution of 1/300 degree. References: Foreman, M. G. G., W. R. Crawford, J. Y. Cherniawsky, and J. Galbraith (2008). Dynamic ocean topography for the northeast Pacific and its continental margins, Geophys. Res. Lett., 35, L22606, doi: 10.1029/2008GL035152 Data Sources: NOAA, MEDS and IOS observational data Uncertainties: Uncertainties are introduced when quality controlled observational data are spatially interpolated to varying distances from the observation point. Climatological averages are calculated from these interpolated values. 2024-09-03 Fisheries and Oceans Canada DFO.PAC.SCI.IOSData-Donnees.ISO.SCI.PAC.MPO@dfo-mpo.gc.ca Nature and EnvironmentScience and TechnologyClimatologySigma-tPacific RegionBritish ColumbiaOceans Seasonal sigma-t climatology of the Canadian Pacific Exclusive Economic Zone (1980-2010)ESRI REST https://gisp.dfo-mpo.gc.ca/arcgis/rest/services/FGP/Seasonal_SigmaT_Climatology_Can_Pacific_EEZ_1980_2010/MapServer Seasonal sigma-t climatology of the Canadian Pacific Exclusive Economic Zone (1980-2010)ESRI REST https://gisp.dfo-mpo.gc.ca/arcgis/rest/services/FGP/Seasonal_SigmaT_Climatology_Can_Pacific_EEZ_1980_2010/MapServer Canadian Pacific EEZ—Sigma-t climatology - spring (1.6 GB)FGDB/GDB https://pacgis01.dfo-mpo.gc.ca/FGPPublic/Seasonal_Climatologies_Can_Pacific_EEZ_1980_2010/BCEEZ_SigmaT_Climatology/BCEEZ_sigmat_climatology_spring_sigmat_climatologie_leprintemps.gdb.zip Canadian Pacific EEZ—Sigma-t climatology - summer (1.6 GB)FGDB/GDB https://pacgis01.dfo-mpo.gc.ca/FGPPublic/Seasonal_Climatologies_Can_Pacific_EEZ_1980_2010/BCEEZ_SigmaT_Climatology/BCEEZ_sigmat_climatology_summer_sigmat_climatologie_lete.gdb.zip Canadian Pacific EEZ—Sigma-t climatology - fall (1.6 GB)FGDB/GDB https://pacgis01.dfo-mpo.gc.ca/FGPPublic/Seasonal_Climatologies_Can_Pacific_EEZ_1980_2010/BCEEZ_SigmaT_Climatology/BCEEZ_sigmat_climatology_fall_sigmat_climatologie_lautomne.gdb.zip Canadian Pacific EEZ—Sigma-t climatology - winter (1.6 GB)FGDB/GDB https://pacgis01.dfo-mpo.gc.ca/FGPPublic/Seasonal_Climatologies_Can_Pacific_EEZ_1980_2010/BCEEZ_SigmaT_Climatology/BCEEZ_sigmat_climatology_winter_sigmat_climatologie_hiver.gdb.zip ReferencesPDF https://api-proxy.edh.azure.cloud.dfo-mpo.gc.ca/catalogue/records/d958ff1e-9fdc-4aea-a459-b69e5a164578/attachments/References_EN_FR_Seasonal_Climatologies_of_the_CPEEZ.pdf Data DictionaryPDF https://api-proxy.edh.azure.cloud.dfo-mpo.gc.ca/catalogue/records/d958ff1e-9fdc-4aea-a459-b69e5a164578/attachments/Data_Dictionary_EN_FR_Seasonal_Climatologies_of_the_CPEEZ.pdf

Description:

Seasonal sigma-t climatology of the Northeast Pacific Ocean was computed from historical observations including all available conductivity-temperature-depth (CTD), bottle, expendable bathy-thermograph (XBT), and Argo data in NOAA (http://www.argo.ucsd.edu/), Marine Environmental Data Service (MEDS), and Institute of Ocean Sciences archives over 1980 to 2010 period.

Methods:

Calculations, including smooth and interpolation, were carried out in sixty-five subregions and up to fifty-two vertical levels from surface to 5000m. Seasonal averages were computed as the median of yearly seasonal values. Spring months were defined as April to June, summer months were defined as July to September, fall months were defined as October to December, and winter months were defined as January to March. The data available here contain raster layers of seasonal sigma-t climatology for the Canadian Pacific Exclusive Economic Zone (EEZ), a subset of seasonal climatology of the Northeast Pacific Ocean, in high spatial resolution of 1/300 degree.

References:

Foreman, M. G. G., W. R. Crawford, J. Y. Cherniawsky, and J. Galbraith (2008). Dynamic ocean topography for the northeast Pacific and its continental margins, Geophys. Res. Lett., 35, L22606, doi: 10.1029/2008GL035152

Data Sources:

NOAA, MEDS and IOS observational data

Uncertainties:

Uncertainties are introduced when quality controlled observational data are spatially interpolated to varying distances from the observation point. Climatological averages are calculated from these interpolated values.

Data and Resources
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Contact Information

Delivery Point: Institute of Ocean Sciences, 9860 West Saanich Road

City: Victoria

Administrative Area: British Columbia

Postal Code: V8L 4B2

Country: Canada

Electronic Mail Address: DFO.PAC.SCI.IOSData-Donnees.ISO.SCI.PAC.MPO@dfo-mpo.gc.ca

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