Dataset: Global Ocean - Wind and Stress - Hourly - Reprocessed - From Scatterometer and Model#
Dataset identifier: cmems_obs-wind_glo_phy_my_l4_0.125deg_PT1H
Data store: cmems
How to open this dataset in AVL JupyterLab
cmems_store = new_data_store('cmems')
ds = cmems_store.open_data('cmems_obs-wind_glo_phy_my_l4_0.125deg_PT1H')
Bounding box map#
cmems_store = new_data_store('cmems')
ds = cmems_store.open_data('cmems_obs-wind_glo_phy_my_l4_0.125deg_PT1H')
Map tiles and data from OpenStreetMap, under the ODbL.
Basic information#
| Parameter | Value |
|---|---|
| Bounding box longitude (°) | -180 to 180 |
| Bounding box latitude (°) | -90 to 90 |
| Time range | 2021-01-01 to 2022-09-20 |
| Time period | 0D |
Click here for full dataset metadata.
Variable list#
Click on a variable name to jump to the variable’s full metadata.
| Variable | Long name | Units |
|---|---|---|
| air_density | air density at 10 m | kg m-3 |
| eastward_stress | surface wind stress eastward component | N m-2 |
| eastward_stress_bias | scatterometer-model bias of surface wind stress eastward component | N m-2 |
| eastward_stress_sdd | standard deviation of differences of surface wind stress eastward component | N m-2 |
| eastward_wind | stress-equivalent wind eastward component at 10 m | m s-1 |
| eastward_wind_bias | scatterometer-model bias of stress-equivalent wind eastward component at 10 m | m s-1 |
| eastward_wind_sdd | standard deviation of differences of stress-equivalent wind eastward component at 10 m | m s-1 |
| northward_stress | surface wind stress northward component | N m-2 |
| northward_stress_bias | scatterometer-model bias of surface wind stress northward component | N m-2 |
| northward_stress_sdd | standard deviation of differences of surface wind stress northward component | N m-2 |
| northward_wind | stress-equivalent wind northward component at 10 m | m s-1 |
| northward_wind_bias | scatterometer-model bias of stress-equivalent wind northward component at 10 m | m s-1 |
| northward_wind_sdd | standard deviation of differences of stress-equivalent wind northward component at 10 m | m s-1 |
| number_of_observations | number of observations used for scatterometer-model bias | 1 |
| number_of_observations_divcurl | number of observations used for scatterometer-model divergence and curl bias | 1 |
| stress_curl | curl of surface wind stress | N m-3 |
| stress_curl_bias | scatterometer-model bias of curl of surface wind stress | N m-3 |
| stress_curl_dv | difference of scatterometer and model variances of curl of surface wind stress | N2 m-6 |
| stress_divergence | divergence of surface wind stress | N m-3 |
| stress_divergence_bias | scatterometer-model bias of divergence of surface wind stress | N m-3 |
| stress_divergence_dv | difference of scatterometer and model variances of divergence of surface wind stress | N2 m-6 |
| wind_curl | curl of stress-equivalent wind at 10 m | s-1 |
| wind_curl_bias | scatterometer-model bias of curl of stress-equivalent wind at 10 m | s-1 |
| wind_curl_dv | difference of scatterometer and model variances of curl of stress-equivalent wind at 10 m | s-2 |
| wind_divergence | divergence of stress-equivalent wind at 10 m | s-1 |
| wind_divergence_bias | scatterometer-model bias of divergence of stress-equivalent wind at 10 m | s-1 |
| wind_divergence_dv | difference of scatterometer and model variances of divergence of stress-equivalent wind at 10 m | s-2 |
Full variable metadata#
air_density#
| Field | Value |
|---|---|
| units | kg m-3 |
| long_name | air density at 10 m |
| standard_name | air_density |
| valid_min | 0 |
| valid_max | 2000 |
| source | ECMWF ERA5 Reanalysis |
eastward_stress#
| Field | Value |
|---|---|
| units | N m-2 |
| long_name | surface wind stress eastward component |
| standard_name | surface_downward_eastward_stress |
| valid_min | -5000 |
| valid_max | 5000 |
eastward_stress_bias#
| Field | Value |
|---|---|
| units | N m-2 |
| long_name | scatterometer-model bias of surface wind stress eastward component |
| standard_name | surface_downward_eastward_stress_bias |
| valid_min | -5000 |
| valid_max | 5000 |
eastward_stress_sdd#
| Field | Value |
|---|---|
| units | N m-2 |
| long_name | standard deviation of differences of surface wind stress eastward component |
| standard_name | surface_downward_eastward_stress_standard_deviation_of_differences |
| valid_min | -5000 |
| valid_max | 5000 |
eastward_wind#
| Field | Value |
|---|---|
| units | m s-1 |
| long_name | stress-equivalent wind eastward component at 10 m |
| standard_name | eastward_wind |
| valid_min | -5000 |
| valid_max | 5000 |
eastward_wind_bias#
| Field | Value |
|---|---|
| units | m s-1 |
| long_name | scatterometer-model bias of stress-equivalent wind eastward component at 10 m |
| standard_name | eastward_wind_bias |
| valid_min | -5000 |
| valid_max | 5000 |
eastward_wind_sdd#
| Field | Value |
|---|---|
| units | m s-1 |
| long_name | standard deviation of differences of stress-equivalent wind eastward component at 10 m |
| standard_name | eastward_wind_standard_deviation_of_differences |
| valid_min | 0 |
| valid_max | 5000 |
northward_stress#
| Field | Value |
|---|---|
| units | N m-2 |
| long_name | surface wind stress northward component |
| standard_name | surface_downward_northward_stress |
| valid_min | -5000 |
| valid_max | 5000 |
northward_stress_bias#
| Field | Value |
|---|---|
| units | N m-2 |
| long_name | scatterometer-model bias of surface wind stress northward component |
| standard_name | surface_downward_northward_stress_bias |
| valid_min | -5000 |
| valid_max | 5000 |
northward_stress_sdd#
| Field | Value |
|---|---|
| units | N m-2 |
| long_name | standard deviation of differences of surface wind stress northward component |
| standard_name | surface_downward_northward_stress_standard_deviation_of_differences |
| valid_min | -5000 |
| valid_max | 5000 |
northward_wind#
| Field | Value |
|---|---|
| units | m s-1 |
| long_name | stress-equivalent wind northward component at 10 m |
| standard_name | northward_wind |
| valid_min | -5000 |
| valid_max | 5000 |
northward_wind_bias#
| Field | Value |
|---|---|
| units | m s-1 |
| long_name | scatterometer-model bias of stress-equivalent wind northward component at 10 m |
| standard_name | northward_wind_bias |
| valid_min | -5000 |
| valid_max | 5000 |
northward_wind_sdd#
| Field | Value |
|---|---|
| units | m s-1 |
| long_name | standard deviation of differences of stress-equivalent wind northward component at 10 m |
| standard_name | northward_wind_standard_deviation_of_differences |
| valid_min | 0 |
| valid_max | 5000 |
number_of_observations#
| Field | Value |
|---|---|
| units | 1 |
| long_name | number of observations used for scatterometer-model bias |
| standard_name | number_of_observations |
| valid_min | 0 |
| valid_max | 2000 |
number_of_observations_divcurl#
| Field | Value |
|---|---|
| units | 1 |
| long_name | number of observations used for scatterometer-model divergence and curl bias |
| standard_name | number_of_observations |
| valid_min | 0 |
| valid_max | 2000 |
stress_curl#
| Field | Value |
|---|---|
| units | N m-3 |
| long_name | curl of surface wind stress |
| standard_name | vertical_component_of_surface_downward_stress_curl |
| valid_min | -500000000 |
| valid_max | 500000000 |
stress_curl_bias#
| Field | Value |
|---|---|
| units | N m-3 |
| long_name | scatterometer-model bias of curl of surface wind stress |
| standard_name | vertical_component_of_surface_downward_stress_curl_bias |
| valid_min | -500000000 |
| valid_max | 500000000 |
stress_curl_dv#
| Field | Value |
|---|---|
| units | N2 m-6 |
| long_name | difference of scatterometer and model variances of curl of surface wind stress |
| standard_name | vertical_component_of_surface_downward_stress_curl_difference_of_variances |
| valid_min | -500000000 |
| valid_max | 500000000 |
stress_divergence#
| Field | Value |
|---|---|
| units | N m-3 |
| long_name | divergence of surface wind stress |
| standard_name | divergence_of_surface_downward_stress |
| valid_min | -500000000 |
| valid_max | 500000000 |
stress_divergence_bias#
| Field | Value |
|---|---|
| units | N m-3 |
| long_name | scatterometer-model bias of divergence of surface wind stress |
| standard_name | divergence_of_surface_downward_stress_bias |
| valid_min | -500000000 |
| valid_max | 500000000 |
stress_divergence_dv#
| Field | Value |
|---|---|
| units | N2 m-6 |
| long_name | difference of scatterometer and model variances of divergence of surface wind stress |
| standard_name | divergence_of_surface_downward_stress_difference_of_variances |
| valid_min | -500000000 |
| valid_max | 500000000 |
wind_curl#
| Field | Value |
|---|---|
| units | s-1 |
| long_name | curl of stress-equivalent wind at 10 m |
| standard_name | atmosphere_relative_vorticity |
| valid_min | -5000000 |
| valid_max | 5000000 |
wind_curl_bias#
| Field | Value |
|---|---|
| units | s-1 |
| long_name | scatterometer-model bias of curl of stress-equivalent wind at 10 m |
| standard_name | atmosphere_relative_vorticity_bias |
| valid_min | -5000000 |
| valid_max | 5000000 |
wind_curl_dv#
| Field | Value |
|---|---|
| units | s-2 |
| long_name | difference of scatterometer and model variances of curl of stress-equivalent wind at 10 m |
| standard_name | atmosphere_relative_vorticity_difference_of_variances |
| valid_min | -5000000 |
| valid_max | 5000000 |
wind_divergence#
| Field | Value |
|---|---|
| units | s-1 |
| long_name | divergence of stress-equivalent wind at 10 m |
| standard_name | divergence_of_wind |
| valid_min | -5000000 |
| valid_max | 5000000 |
wind_divergence_bias#
| Field | Value |
|---|---|
| units | s-1 |
| long_name | scatterometer-model bias of divergence of stress-equivalent wind at 10 m |
| standard_name | divergence_of_wind_bias |
| valid_min | -5000000 |
| valid_max | 5000000 |
wind_divergence_dv#
| Field | Value |
|---|---|
| units | s-2 |
| long_name | difference of scatterometer and model variances of divergence of stress-equivalent wind at 10 m |
| standard_name | divergence_of_wind_difference_of_variances |
| valid_min | -5000000 |
| valid_max | 5000000 |
Full dataset metadata#
| Field | Value |
|---|---|
| title | Global Ocean - Wind and Stress - Hourly - Reprocessed - From Scatterometer and Model |
| summary | Global ocean 10-m stress-equivalent wind and surface wind stress fields based on the ECMWF ERA5 Reanalysis winds, bias-corrected using scatterometer observations |
| keywords | ocean winds, wind speed, wind direction, wind stress, divergence, vorticity |
| Conventions | CF-1.6, ACDD-1.3 |
| project | Copernicus Marine Service Wind Thematic Assembly Centre |
| institution | Royal Netherlands Meteorological Institute (KNMI) |
| geospatial_lat_min | -89.9375 |
| geospatial_lat_max | 89.9375 |
| geospatial_lat_resolution | 0.125 |
| geospatial_lat_units | degrees_north |
| geospatial_lon_min | -179.9375 |
| geospatial_lon_max | 179.9375 |
| geospatial_lon_resolution | 0.125 |
| geospatial_lon_units | degrees_east |
| processing_level | L4 |
| platform | Metop-B, Metop-C |
| platform_vocabulary | CEOS |
| instrument | ASCAT, ASCAT |
| instrument_vocabulary | CEOS |
| model | ECMWF ERA5 Reanalysis |
| time_coverage_start | 2022-09-20T23:00:00 |
| time_coverage_end | 2022-09-20T23:00:00 |
| references | Copernicus Marine Service Product User Manual CMEMS-TAC-WIND-PUM-012-004-006, Trindade et al. (2020) doi:10.1109/TGRS.2019.2946019 |
| history | N/A |
| date_created | 2023-01-17T02:56:07 |
| date_modified | 2023-01-17T02:56:07 |