netcdf NavajoRiverCatchment_S1snd2021-2022 { dimensions: x = 521 ; y = 522 ; band = 3 ; time = 53 ; variables: double x(x) ; x:_FillValue = NaN ; x:axis = "X" ; x:long_name = "longitude" ; x:standard_name = "longitude" ; x:units = "degrees_east" ; double y(y) ; y:_FillValue = NaN ; y:axis = "Y" ; y:long_name = "latitude" ; y:standard_name = "latitude" ; y:units = "degrees_north" ; string band(band) ; int64 time(time) ; time:units = "seconds since 2020-11-06 13:10:17" ; time:calendar = "proleptic_gregorian" ; int spatial_ref ; spatial_ref:crs_wkt = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",EAST],AUTHORITY[\"EPSG\",\"4326\"]]" ; spatial_ref:semi_major_axis = 6378137. ; spatial_ref:semi_minor_axis = 6356752.31424518 ; spatial_ref:inverse_flattening = 298.257223563 ; spatial_ref:reference_ellipsoid_name = "WGS 84" ; spatial_ref:longitude_of_prime_meridian = 0. ; spatial_ref:prime_meridian_name = "Greenwich" ; spatial_ref:geographic_crs_name = "WGS 84" ; spatial_ref:horizontal_datum_name = "World Geodetic System 1984" ; spatial_ref:grid_mapping_name = "latitude_longitude" ; spatial_ref:spatial_ref = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",EAST],AUTHORITY[\"EPSG\",\"4326\"]]" ; spatial_ref:GeoTransform = "-106.90011596428715 0.00031964780040003504 0.0 37.40028479775184 0.0 -0.0003196478004028336" ; string flight_dir(time) ; string platform(time) ; double relative_orbit(time) ; relative_orbit:_FillValue = NaN ; double absolute_orbit(time) ; absolute_orbit:_FillValue = NaN ; float s1(time, band, y, x) ; s1:_FillValue = NaNf ; s1:AREA_OR_POINT = "Point" ; s1:TIFFTAG_DATETIME = "2023:12:03 21:00:21" ; s1:TIFFTAG_SOFTWARE = "Created with GAMMA Software www.gamma-rs.ch data2geotiff v3.0" ; s1:scale_factor = 1. ; s1:add_offset = 0. ; s1:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; int projection ; projection:crs_wkt = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",EAST],AUTHORITY[\"EPSG\",\"4326\"]]" ; projection:semi_major_axis = 6378137. ; projection:semi_minor_axis = 6356752.31424518 ; projection:inverse_flattening = 298.257223563 ; projection:reference_ellipsoid_name = "WGS 84" ; projection:longitude_of_prime_meridian = 0. ; projection:prime_meridian_name = "Greenwich" ; projection:geographic_crs_name = "WGS 84" ; projection:horizontal_datum_name = "World Geodetic System 1984" ; projection:grid_mapping_name = "latitude_longitude" ; projection:spatial_ref = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",EAST],AUTHORITY[\"EPSG\",\"4326\"]]" ; projection:GeoTransform = "-106.90011596428714 0.0009589434012000835 0.0 37.40028479775185 0.0 -0.0009589434012085144" ; float ims(time, y, x) ; ims:_FillValue = 0.f ; ims:acknowledgment = "Produced at USNIC with support from NOAA NESDIS STAR." ; ims:cdm_data_type = "Grid" ; ims:comment = "0: Outside Coverage Area, 1: Open Water, 2: Land Without Snow, 3: Sea Ice or Lake Ice, 4: Snow Covered Land" ; ims:contributor_name = "U.S. National Ice Center, NOAA at NSIDC, NOAA PolarWatch, NOAA MDL, NOAA STAR" ; ims:contributor_role = "Producer, Publisher, Advisor, Software Developer, Originator" ; ims:Conventions = "CF-1.6, ACDD-1.3" ; ims:creator_email = "nic.ims.analysts@noaa.gov" ; ims:creator_institution = "U.S. National Ice Center (USNIC)" ; ims:creator_name = "U.S. National Ice Center (USNIC)" ; ims:creator_type = "Institution" ; ims:creator_url = "https://usicecenter.gov/" ; ims:date_created = "2021-07-24T02:47:50Z" ; ims:geospatial_lat_max = 90 ; ims:geospatial_lat_min = 0 ; ims:geospatial_lat_resolution = "1 km" ; ims:geospatial_lat_units = "degrees_north" ; ims:geospatial_lon_max = 180 ; ims:geospatial_lon_min = -180 ; ims:geospatial_lon_resolution = "1 km" ; ims:geospatial_lon_units = "degrees_east" ; ims:history = "24 July 2021 02:47Z: NetCDF file generated from file NIC.IMS_v3_202031100_1km.asc" ; ims:id = "G02156" ; ims:institution = "U.S. National Ice Center (USNIC)" ; ims:instrument = "See https://nsidc.org/data/g02156 for a list of instruments" ; ims:keywords = "EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE EXTENT, EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > SNOW COVER, GEOGRAPHIC REGION > ARCTIC, GEOGRAPHIC REGION > POLAR, GEOGRAPHIC REGION > NORTHERN HEMISPHERE" ; ims:keywords_vocabulary = "NASA Global Change Master Directory (GCMD) Keywords, Version 9.0" ; ims:license = "These data may be redistributed and used without restriction." ; ims:metadata_link = "https://nsidc.org/data/G02156" ; ims:naming_authority = "org.nsidc" ; ims:ncei_template_version = "NCEI_NetCDF_Grid_Template_v2.0" ; ims:platform = "Earth Observation Satellites, In Situ Land-based Platforms, In Situ Ocean-based Platforms, Ground Stations, Maps/Charts/Photographs, Models/Analyses" ; ims:platform_vocabulary = "NASA Global Change Master Directory (GCMD) Keywords, Version 9.0" ; ims:processing_level = "NOAA Level 4" ; ims:product_version = "Version 3" ; ims:project = "USNIC Snow and Ice Products" ; ims:publisher_email = "nsidc@nsidc.org" ; ims:publisher_institution = "National Snow and Ice Data Center" ; ims:publisher_name = "National Snow and Ice Data Center" ; ims:publisher_type = "Institution" ; ims:publisher_url = "https://nsidc.org/" ; ims:references = "Ramsay, B. H. (1998). The interactive multisensor snow and ice mapping system. Hydrological Processes, 12(10-11), 1537-1546.; Helfrich, S. R., McNamara, D., Ramsay, B. H., Baldwin, T., & Kasheta, T. (2007). Enhancements to, and forthcoming developments in the Interactive Multisensor Snow and Ice Mapping System (IMS). Hydrological Processes: An International Journal, 21(12), 1576-1586. doi: https://doi.org/10.1002/hyp.6720.; Helfrich, S. R., M. Li, C. Kongoli, L. Nagdimunov, and E. Rodriguez. 2019. Interactive Multisensor Snow and Ice Mapping System Version 3 (IMS V3) - Algorithm Theoretical Basis Document Version 2.5. NOAA NESDIS Center for Satellite Applications and Research (STAR). 74 pp.; U.S. National Ice Center. (2008, updated daily). IMS Daily Northern Hemisphere Snow and Ice Analysis at 1 km, 4 km, and 24 km Resolutions, Version 1. Boulder, Colorado USA. NSIDC: National Snow and Ice Data Center. doi: https://doi.org/10.7265/N52R3PMC." ; ims:source = "Analysts at the United States National Ice Center (USNIC) interactively create this product using a variety of data from many sources including in-situ, remote sensing, and modeled data sources. A description of the IMS system is available at: https://nsidc.org/data/g02156" ; ims:standard_name_vocabulary = "CF Standard Name Table (Version 72, 10 March 2020)" ; ims:summary = "This file contains a map of snow cover and ice cover for the Northern Hemisphere produced by the Interactive Multisensor Snow and Ice Mapping System (IMS). The map is valid at the time specified by the time_coverage_start and time_coverage_end global attributes. Analysts at the United States National Ice Center (USNIC) use a variety of geostationary and polar orbiting satellite imagery, derived products, in situ, and other data sources to interactively create the map. The system has produced daily analyses from February 1997 to Dec 2014, and twice daily analyses since." ; ims:time_coverage_duration = "P1D" ; ims:time_coverage_end = "2020-11-05T23:59:59Z" ; ims:time_coverage_resolution = "P1D" ; ims:time_coverage_start = "2020-11-05T00:00:00Z" ; ims:title = "NOAA/NESDIS Interactive Multisensor Snow and Ice Mapping System (IMS)" ; ims:NETCDF_DIM_EXTRA = "{time}" ; ims:NETCDF_DIM_time_DEF = 1., 11. ; ims:NETCDF_DIM_time_VALUES = 1604620800 ; ims:flag_meanings = "outside_coverage_area open_water snow_free_land lake_ice_or_sea_ice ice_and_snow_on_land" ; ims:flag_values = 0., 1., 2., 3., 4. ; ims:long_name = "IMS maps of open water, land, sea/lake ice, and snow cover for the Northern Hemisphere" ; ims:short_name = "IMS Surface Values" ; ims:standard_name = "area_type" ; ims:scale_factor = 1. ; ims:add_offset = 0. ; ims:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; double fcf(y, x) ; fcf:_FillValue = NaN ; fcf:coordinates = "spatial_ref projection" ; float deltaCR(time, y, x) ; deltaCR:_FillValue = NaNf ; deltaCR:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; float deltaVV(time, y, x) ; deltaVV:_FillValue = NaNf ; deltaVV:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; double deltaGamma(y, x, time) ; deltaGamma:_FillValue = NaN ; deltaGamma:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; double snow_index(y, x, time) ; snow_index:_FillValue = NaN ; snow_index:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; double snow_depth(y, x, time) ; snow_depth:_FillValue = NaN ; snow_depth:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; float wet_flag(time, y, x) ; wet_flag:_FillValue = NaNf ; wet_flag:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; float alt_wet_flag(time, y, x) ; alt_wet_flag:_FillValue = NaNf ; alt_wet_flag:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; float freeze_flag(time, y, x) ; freeze_flag:_FillValue = NaNf ; freeze_flag:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; float wet_snow(time, y, x) ; wet_snow:_FillValue = NaNf ; wet_snow:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; float perma_wet(time, y, x) ; perma_wet:_FillValue = NaNf ; perma_wet:coordinates = "projection absolute_orbit relative_orbit platform spatial_ref flight_dir" ; // global attributes: :AREA_OR_POINT = "Point" ; :TIFFTAG_DATETIME = "2023:12:03 21:00:21" ; :TIFFTAG_SOFTWARE = "Created with GAMMA Software www.gamma-rs.ch data2geotiff v3.0" ; :scale_factor = 1. ; :add_offset = 0. ; :resolution = "90" ; :s1_units = "dB" ; :param_A = 2.5 ; :param_B = 0.2 ; :param_C = 0.55 ; :job_name = "spicy-snow-run" ; :bounds = -106.9, 36.9, -106.4, 37.4 ; }