Dataset: Global Ocean - Wind and Stress - Hourly - From Scatterometer and Model#

Dataset identifier: cmems_obs-wind_glo_phy_nrt_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_nrt_l4_0.125deg_PT1H')

Bounding box map#

Bounding box map
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 2020-07-01 to 2023-04-14
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 Operational model

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 - From Scatterometer and Model
summary Global ocean 10-m stress-equivalent wind and surface wind stress fields based on the ECMWF operational model 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 Operational model
time_coverage_start 2023-04-14T23:00:00
time_coverage_end 2023-04-14T23:00:00
references Copernicus Marine Service Product User Manual CMEMS-TAC-WIND-PUM-012-004, Trindade et al. (2020) doi:10.1109/TGRS.2019.2946019
history N/A
date_created 2023-04-15T10:41:58
date_modified 2023-04-15T10:41:58