Dataset: Baltic Sea - SST Analysis#

Dataset identifier: DMI-BALTIC-SST-L3S-NRT-OBS_FULL_TIME_SERIE
Data store: cmems

How to open this dataset in AVL JupyterLab  

cmems_store = new_data_store('cmems')
ds = cmems_store.open_data('DMI-BALTIC-SST-L3S-NRT-OBS_FULL_TIME_SERIE')

Bounding box map#

Bounding box map
Map tiles and data from OpenStreetMap, under the ODbL.

Basic information#

Parameter Value
Bounding box longitude (°) -10.00999975 to 30.00999975
Bounding box latitude (°) 47.98999975 to 66.01000025
Time range 2019-03-11 to 2023-04-15
Publisher GHRSST project office

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
mask land sea ice lake bit mask [none]
or_number_of_sst_pixels number of pixels from the L2Ps contributing to the SST value [none]
quality_level quality level of SST pixel [none]
sea_ice_fraction sea ice area fraction 1
sea_surface_temperature sea surface foundation temperature kelvin
source_of_sst SST product origin 1
sses_bias SSES bias error kelvin
sses_standard_deviation SSES standard deviation kelvin
sst_dtime time difference from reference time [none]
sum_square_sst sum of contributing pixel sst value squares Celsius2
sum_sst sum of contributing pixel sst values Celsius

Full variable metadata#

mask#

Field Value
long_name land sea ice lake bit mask
comment Mask can be used to further filter the data
flag_meanings water land optional_lake_surface sea_ice optional_river_surface
source NAVOCEANO_landmask_v1.0, Myocean_HR_ice
flag_masks 1, 2, 4, 8, 16
valid_min 0
valid_max 31

or_number_of_sst_pixels#

Field Value
long_name number of pixels from the L2Ps contributing to the SST value
comment Original number of pixels from the L2Ps contributing to the SST value
valid_min 0
valid_max 32767

quality_level#

Field Value
long_name quality level of SST pixel
comment These are the overall quality indicators and are used for all GHRSST SSTs
flag_values 0, 1, 2, 3, 4, 5
flag_meanings no_data bad_data worst_quality low_quality acceptable_quality best_quality
valid_min 0
valid_max 5

sea_ice_fraction#

Field Value
standard_name sea_ice_area_fraction
long_name sea ice area fraction
units 1
comment This will be different for each system
source MyOcean HR icemask
valid_min 0
valid_max 100

sea_surface_temperature#

Field Value
standard_name sea_surface_temperature
long_name sea surface foundation temperature
units kelvin
comment Foundation sea surface temperature of the ocean
source OSI-SAF and GHRSST L2P satellite SST products
valid_min -300
valid_max 4500

source_of_sst#

Field Value
long_name SST product origin
units 1
comment code: EUR-L2P-NARNPP_SST = 1; NAVO-L2P-AVHRR19_L = 2; VIIRS_N20-OSPO-L2P = 4;NAVO-L2P-NPP = 8; EUR-L2P-SLSTR = 16 EUR-L3-SEVIRI_SST = 32;GOES16-OSISAF-L3C = 64; EUR-L2P-AVHRR_METOP_A = 128
flag_masks 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
valid_min 0
valid_max 32767

sses_bias#

Field Value
long_name SSES bias error
units kelvin
comment SSES bias error
valid_min -127
valid_max 127

sses_standard_deviation#

Field Value
long_name SSES standard deviation
units kelvin
comment Standard deviation estimate
valid_min -127
valid_max 127

sst_dtime#

Field Value
long_name time difference from reference time
comment time plus sst_dtime gives seconds after 00:00:00 UTC January 1, 1981
valid_min -2147483647
valid_max 2147483647

sum_square_sst#

Field Value
long_name sum of contributing pixel sst value squares
units Celsius2
comment Sum of original contributing pixel sst value squares
valid_min 0.0
valid_max 900000.0

sum_sst#

Field Value
long_name sum of contributing pixel sst values
units Celsius
comment Sum of original contributing pixel sst values
valid_min -999.0
valid_max 90000.0

Full dataset metadata#

Field Value
Conventions CF-1.6
title Baltic Sea - SST Analysis
summary DMI Sea Surface Temperature supercollated level 3 field (L3S) using multisensor nighttime satellite SST observations
references Høyer, J. L., Le Borgne, P., & Eastwood, S. (2014). A bias correction method for Arctic satellite sea surface temperature observations. Remote Sensing of Environment, 146, 201-213.
institution Danish Meteorological Institute, DMI
history Version 1.0
license these data are available free of charge under the GMES data policy
id DMI-L3S_GHRSST-SSTsubskin-night_SST_UHR_NRT-NSEABALTIC-
naming_authority org.ghrsst
product_version Version 1.0
uuid 9fbb2277-82a8-4be7-97f0-407496de2113
gds_version_id 2.0
netcdf_version_id netcdf-4.3.3.1, 27 February 2015
date_created 20230415T062756Z
file_quality_level 3
spatial_resolution 0.02 degrees
start_time 20230415T000000Z
time_coverage_start 20230415T000000Z
stop_time 20230416T000000Z
time_coverage_end 20230416T000000Z
westernmost_longitude -10.0
easternmost_longitude 30.0
southernmost_latitude 48.0
northernmost_latitude 66.0
source VIIRS_SST_NPP_NAR-OSISAF-L3C, SEVIRI_SST-OSISAF-L3C, EUR-L2P-AVHRR_METOP_B, NAVO-VIIRS_NPP, VIIRS_N20_ACSPO, MyOcean_HR_ICE
platform NOAA-20, MetOpB, MSG2, SUOMI NPP, Sentinel 3
sensor AVHRR, SEVIRI, VIIRS, SLSTR
Metadata_Conventions Unidata Dataset Discovery v1.0
metadata_link http://data.nodc.noaa.gov/NESDIS_DataCenters/metadata/index.html
keywords Oceans > Ocean Temperature > Sea Surface Temperature
keywords_vocabulary NASA Global Change Master Directory (GCMD) Science Keywords
standard_name_vocabulary NetCDF Climate and forecast (CF) Metadata Convention
geospatial_lat_units degrees north
geospatial_lon_units degrees east
geospatial_lat_resolution 0.02
geospatial_lon_resolution 0.02
acknowledgment Please acknowledge the use of these data with the following statement: These data were provided by DMI and GHRSST
creator_name Jacob L. Hoeyer
creator_email jlh@dmi.dk
creator_url http://ocean.dmi.dk/satellite/
project Copernicus Marine Environmental Monitoring Service (CMEMS) SST-TAC
publisher_name GHRSST project office
publisher_url http://www.ghrsst.org
publisher_email ghrsst-po@nceo.ac.uk
processing_level L3S
cdm_data_type grid
comment IN NO EVENT SHALL DMI OR ITS REPRESENTATIVES BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING, WITHOUT LIMITATION, SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR DAMAGES FOR LOSS OF BUSINESS PROFITS OR SAVINGS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION OR OTHER PECUNIARY LOSS ARISING OUT OF THE USE OF OR THE BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION OR OTHER PECUNIARY LOSS ARISING OUT OF THE USE OF OR THE INABILITY TO USE THIS DMI PRODUCT, EVEN IF DMI HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THIS LIMITATION SHALL APPLY TO CLAIMS OF PERSONAL INJURY TO THE EXTENT PERMITTED BY LAW. SOME COUNTRIES OR STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL, SPECIAL, INDIRECT, INCIDENTAL DAMAGES AND, ACCORDINGLY, SOME PORTIONS OF THESE LIMITATIONS MAY NOT APPLY TO YOU. BY USING THIS PRODUCT, YOU HAVE ACCEPTED THAT THE ABOVE LIMITATIONS OR THE MAXIMUM LEGALLY APPLICABLE SUBSET OF THESE LIMITATIONS APPLY TO YOUR USE OF THIS PRODUCT. WARNING Some applications are unable to properly handle signed bytevalues. If values are encountered > 127, please subtract 256 from this reported value