HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.6, ACDD-1.3"
	attribute cdm_data_type = "Point"
	attribute creator_email = "coastwatch.info@noaa.gov"
	attribute creator_name = "NOAA CoastWatch"
	attribute creator_url = "http://coastwatch.noaa.gov"
	attribute featureType = "point"
	attribute geospatial_lat_max = 89.875
	attribute geospatial_lat_min = -89.875
	attribute geospatial_lat_resolution = 0.25
	attribute geospatial_lat_units = "degree_north"
	attribute geospatial_lon_max = 179.875
	attribute geospatial_lon_min = -179.875
	attribute geospatial_lon_resolution = 0.25
	attribute geospatial_lon_units = "degree_east"
	attribute geospatial_vertical_max = 0.0
	attribute geospatial_vertical_min = 0.0
	attribute geospatial_vertical_positive = "up"
	attribute geospatial_vertical_units = "m"
	attribute history = (text block)
| Wed Feb 20 09:40:44 2019
| : /data/data001/development/hgu/4sqm/bin/l3smap_gen -l -a 2 -w /data/data001/development/hgu/4sqm/NODC_salinity/WOA13/woa13_decav_s02_04v2.nc /data/data001/development/hgu/4sqm/config/Config_SMAP_L2B.input /data/www/socd/mecb/coastwatch/smap/nc/SP_D2018036_Map_SATSSS_data_1day.nc
	attribute input_files = (text block)
| /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16095_20180205T011925_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16096_20180205T025753_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16097_20180205T043622_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16098_20180205T061448_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16099_20180205T075316_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16100_20180205T093145_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16101_20180205T111012_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16102_20180205T124839_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16103_20180205T142708_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16104_20180205T160536_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16105_20180205T174402_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16106_20180205T192230_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16107_20180205T210057_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16108_20180205T223925_R16010_V4.2.h5
| ; /data/data001/repository/SMAP/smap-jpl/L2B/2018/036/SMAP_L2B_SSS_16108_20180205T223925_R16010_V4.2.h5
	attribute institution = "NOAA/NESDIS Center for Satellite Applications and Research (STAR)"
	attribute instrument = "SMAP"
	attribute keywords = "GCMD:EARTH SCIENCE > OCEANS > SALINITY/DENSITY, EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > SURFACE SALINITY, NOAA, GOVERNMENT AGENCIES-U.S. FEDERAL AGENCIES > DOC > NOAA, DOC/NOAA/NESDIS/STAR, EARTH OBSERVATION SATELLITES>EARTH EXPLORERS>SMOS>SOIL MOISTURE AND OCEAN SALINITY,  EARTH REMOTE SENSING INSTRUMENTS>PASSIVE REMOTE SENSING>Imaging Spectrometers/Radiometers>SMAP L-Band Radiometer,NONE:Soil Moisture Active Passive, SMAP, sea surface salinity"
	attribute keywords_vocabulary = "GCMD:GCMD Keywords,NONE:keywords not from a controlled vocabulary"
	attribute mission = "Soil Moisture Active Passive (SMAP)"
	attribute muc_contact = "coastwatch.info@noaa.gov"
	attribute muc_history = "All original L4 information are stored below"
	attribute muc_origin = "Binned 0.25 deg L4 SSS files are matched with NCEI GTSPP insitu data in the Match Up Creation (MUC) framework"
	attribute naming_authority = "gov.noaa.coastwatch"
	attribute platform = "SMAP"
	attribute product_name = "SP_D2018036_Map_SATSSS_data_1day.nc"
	attribute product_version = "V4.2"
	attribute project = "STAR Sea Surface Salinity Team (NOAA/NESDIS/STAR/SSS)"
	attribute publisher_email = "coastwatch.info@noaa.gov"
	attribute publisher_name = "NOAA CoastWatch"
	attribute publisher_url = "http://coastwatch.noaa.gov"
	attribute references = "SMAP Salinity and Wind Speed User's Guide, Version 4.0, JPL"
	attribute source = "NASA JPL"
	attribute summary = "CoastWatch/OceanWatch Level-3 SSS products are generated directly from the NASA Jet Propulsion Laboratory (JPL) SMAP Level-2B SSS near real time swath HDF5 files. These products improve the application of satellite SSS products in NOAA by minimizing the data latency to within 24 hours of Level-2 data availability"
	attribute time_coverage_start = "2018-036T01:19:25.000"
	attribute time_coverage_stop = "2018-036T22:39:25.000"
	attribute title = "Sea Surface Salinity - Near Real Time - SMAP Daily Composite"
dataset /Column: int16, shape (45258)
	attribute comment = "for traceability in original granule"
	attribute coordinates = "time lat lon"
	attribute long_name = "Column in original NC file for backtracing"
dataset /Line: int16, shape (45258)
	attribute comment = "for traceability in original granule"
	attribute coordinates = "time lat lon"
	attribute long_name = "Line in original NC file for backtracing"
dataset /altitude: float64, shape ()
	attribute actual_range = 0.0, 0.0
	attribute axis = "Z"
	attribute class = "DIMENSION_SCALE"
	attribute coverage_content_type = "coordinate"
	attribute ioos_category = "Location"
	attribute long_name = "Altitude"
	attribute name = "altitude"
	attribute positive = "up"
	attribute standard_name = "height"
	attribute units = "m"
dataset /coord_ref: int32, shape ()
	attribute grid_mapping_name = "latitude_longitude"
	attribute inverse_flattening = 298.257233
	attribute longitude_of_prime_meridian = 0.0
	attribute semi_major_axis = 6378137.0
dataset /depth: float32, shape (45258)
	attribute _FillValue = -1.0
	attribute comments = "none"
	attribute coordinates = "time lat lon"
	attribute long_name = "measurement depth"
	attribute source = "GSTPP stations"
	attribute standard_name = "depth"
	attribute units = "meters"
	attribute valid_max = 12000.0
	attribute valid_min = 0.0
dataset /distance: float32, shape (45258)
	attribute comment = "separation distance of in situ point from grid center"
	attribute coordinates = "time lat lon"
	attribute long_name = "L4 Grid Center to insitu distance"
	attribute units = "km"
dataset /lat: float32, shape (45258)
	attribute long_name = "latitude"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /lon: float32, shape (45258)
	attribute long_name = "longitude"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /obs: float32, shape (45258)
dataset /platform_id: string, shape (45258)
	attribute comment = "in situ platform ID as given in NCEI GSTPP files"
	attribute coordinates = "time lat lon"
	attribute long_name = "in situ platform ID"
dataset /sat_l2_lat: float32, shape (45258)
	attribute _FillValue = nan
	attribute add_offset = 0.0
	attribute c_format = "%.4g"
	attribute long_name = "Latitude from L2 files"
	attribute scale_factor = 1.0
	attribute standard_name = "grid_latitude"
	attribute units = "degree_north"
dataset /sat_l2_lon: float32, shape (45258)
	attribute _FillValue = nan
	attribute add_offset = 0.0
	attribute c_format = "%.4g"
	attribute long_name = "Longitude from L2 files"
	attribute scale_factor = 1.0
	attribute standard_name = "grid_longitude"
	attribute units = "degree_north"
dataset /sat_l2_time: float64, shape (45258)
	attribute _FillValue = -999.0
	attribute comment = "Time values are the middle of L2 files time coverage (start_time+end_time)/2"
	attribute long_name = "Time from L2 files"
	attribute standard_name = "time"
	attribute units = "seconds since 1970-01-01 00:00:00Z"
dataset /sat_lat: float32, shape (45258)
	attribute actual_range = -89.875, 89.875
	attribute axis = "Y"
	attribute class = "DIMENSION_SCALE"
	attribute comment = "Latitude values are the centers of the grid cells"
	attribute coverage_content_type = "coordinate"
	attribute ioos_category = "Location"
	attribute long_name = "Latitude"
	attribute name = "lat"
	attribute standard_name = "grid_latitude"
	attribute units = "degree_north"
	attribute valid_max = 90.0
	attribute valid_min = -90.0
dataset /sat_lon: float32, shape (45258)
	attribute actual_range = -179.875, 179.875
	attribute axis = "X"
	attribute class = "DIMENSION_SCALE"
	attribute comment = "Longitude values are the centers of the grid cells"
	attribute coverage_content_type = "coordinate"
	attribute ioos_category = "Location"
	attribute long_name = "Longitude"
	attribute name = "lon"
	attribute standard_name = "grid_longitude"
	attribute units = "degree_east"
	attribute valid_max = 180.0
	attribute valid_min = -180.0
dataset /sat_nv: float32, shape (45258)
	attribute class = "DIMENSION_SCALE"
	attribute name = "This is a netCDF dimension but not a netCDF variable.         2"
dataset /sat_sss: float32, shape (45258)
	attribute _FillValue = nan
	attribute add_offset = 0.0
	attribute c_format = "%.4g"
	attribute cell_methods = "time: point"
	attribute coverage_content_type = "physicalMeasurement"
	attribute grid_mapping = "coord_ref"
	attribute ioos_category = "Salinity"
	attribute long_name = "SMAP Sea Surface Salinity"
	attribute scale_factor = 1.0
	attribute standard_name = "sea_surface_salinity"
	attribute units = "1e-3"
dataset /sat_sss_dif: float32, shape (45258)
	attribute _FillValue = nan
	attribute add_offset = 0.0
	attribute c_format = "%.4g"
	attribute cell_methods = "time: point"
	attribute comment = "SMAP Sea Surface Salinity minus World Ocean Atlas Monthly Analyzed Sea Surface Salinity, generated for QA and validation"
	attribute coverage_content_type = "qualitifyInformation"
	attribute long_name = "SMAP Sea Surface Salinity minus World Ocean Atlas Value"
	attribute scale_factor = 1.0
	attribute standard_name = "sea_surface_salinity"
	attribute units = "1e-3"
dataset /sat_ssw: float32, shape (45258)
	attribute _FillValue = nan
	attribute add_offset = 0.0
	attribute c_format = "%.4g"
	attribute long_name = "SMAP Wind Speed"
	attribute scale_factor = 1.0
	attribute standard_name = "wind_speed"
	attribute units = "m/sec"
dataset /sss: float32, shape (45258)
	attribute _FillValue = -1.0
	attribute comments = "Sea water salinity from GTSPP"
	attribute coordinates = "time lat lon"
	attribute long_name = "in situ sea water salinity"
	attribute source = "GSTPP stations"
	attribute standard_name = "sea_water_salinity"
	attribute units = "psu"
	attribute valid_max = 900.0
	attribute valid_min = 0.0
dataset /sst: float32, shape (45258)
	attribute _FillValue = -1.0
	attribute comments = "Sea water temperature from GTSPP"
	attribute coordinates = "time lat lon"
	attribute long_name = "in situ sea water temperature"
	attribute source = "GSTPP stations"
	attribute standard_name = "sea_water_temperature"
	attribute units = "celsius"
	attribute valid_max = 900.0
	attribute valid_min = 0.0
dataset /time: float64, shape (45258)
	attribute comments = "seconds since 1900-01-01 00:00:00 of NCEI GTSPP observations"
	attribute long_name = "reference time of report"
	attribute standard_name = "time"
	attribute units = "seconds since 1900-01-01 00:00:00Z"
dataset /time_difference: float32, shape (45258)
	attribute comment = "Average of start and end times of L4 minus insitu time"
	attribute coordinates = "time lat lon"
	attribute long_name = "L4 Centered Time minus insitu time"
	attribute units = "hours"