{
    "CV":{
        "activity_id":"obs4MIPs",
        "frequency":{
            "1hr":"sampled hourly",
            "1hrCM":"monthly-mean diurnal cycle resolving each day into 1-hour means",
            "1hrPt":"sampled hourly, at specified time point within an hour",
            "3hr":"sampled every 3 hours",
            "3hrPt":"sampled 3 hourly, at specified time point within the time period",
            "6hr":"sampled every 6 hours",
            "6hrPt":"sampled 6 hourly, at specified time point within the time period",
            "day":"daily mean samples",
            "dec":"decadal mean samples",
            "fx":"fixed (time invariant) field",
            "mon":"monthly mean samples",
            "monC":"monthly climatology computed from monthly mean samples",
            "monPt":"sampled monthly, at specified time point within the time period",
            "subhrPt":"sampled sub-hourly, at specified time point within an hour",
            "yr":"annual mean samples",
            "yrPt":"sampled yearly, at specified time point within the time period"
        },
        "grid_label":{
            "grid_label":{
                "gm":"global mean data",
                "gn":"data reported on a model's native grid",
                "gnNH":"data reported on a native grid in the Northern Hemisphere",
                "gnSH":"data reported on a native grid in the Southern Hemisphere",
                "gna":"data reported on a native grid in the region of Antarctica",
                "gng":"data reported on a native grid in the region of Greenland",
                "gnz":"zonal mean data reported on a model's native latitude grid",
                "gr":"regridded data reported on the data provider's preferred target grid",
                "gr1":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr1a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr1g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr1z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gr2":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr2a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr2g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr2z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gr3":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr3a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr3g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr3z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gr4":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr4a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr4g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr4z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gr5":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr5a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr5g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr5z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gr6":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr6a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr6g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr6z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gr7":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr7a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr7g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr7z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gr8":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr8a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr8g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr8z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gr9":"regridded data reported on a grid other than the native grid and other than the preferred target grid",
                "gr9a":"regridded data reported in the region of Antarctica on a grid other than the native grid and other than the preferred target grid",
                "gr9g":"regridded data reported in the region of Greenland on a grid other than the native grid and other than the preferred target grid",
                "gr9z":"regridded zonal mean data reported on a grid other than the native latitude grid and other than the preferred latitude target grid",
                "gra":"regridded data in the region of Antarctica reported on the data provider's preferred target grid",
                "grg":"regridded data in the region of Greenland reported on the data provider's preferred target grid",
                "grz":"regridded zonal mean data reported on the data provider's preferred latitude target grid"
            },
            "version_metadata":{
                "CV_collection_modified":"Mon Mar 25 14:32:35 2019 -0700",
                "CV_collection_version":"6.2.20.1",
                "author":"Paul J. Durack <durack1@llnl.gov>",
                "grid_label_CV_modified":"Fri Sep 8 18:12:00 2017 -0700",
                "grid_label_CV_note":"Issue395 durack1 augment grid_label with description (#401)",
                "institution_id":"PCMDI",
                "previous_commit":"690451863bfd7a92a6fa13d879a9df6af32e0379",
                "specs_doc":"v6.2.7 (10th September 2018; https://goo.gl/v1drZl)"
            }
        },
        "institution_id":{
            "CNES":"Centre national d'etudes spatiales",
            "DWD":"Deutscher Wetterdienst, Offenbach 63067, Germany",
            "NASA-GSFC":"National Aeronautics and Space Administration, Goddard Space Flight Center",
            "NASA-JPL":"NASA's Jet Propulsion Laboratory, Pasadena, CA 91109, USA",
            "NOAA-NCEI":"NOAA's National Centers for Environmental Information, Asheville, NC 28801, USA",
            "PCMDI":"Program for Climate Model Diagnosis and Intercomparison, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA",
            "RSS":"Remote Sensing Systems, Santa Rosa, CA 95401, USA"
        },
        "license":"Data in this file produced by <Your Centre Name> is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (https://creativecommons.org/licenses/). Use of the data must be acknowledged following guidelines found at <a URL maintained by you>. Further information about this data, including some limitations, can be found via <some URL maintained by you>.)",
        "nominal_resolution":[
            "0.5 km",
            "1 km",
            "10 km",
            "100 km",
            "1000 km",
            "10000 km",
            "1x1 degree",
            "2.5 km",
            "25 km",
            "250 km",
            "2500 km",
            "5 km",
            "50 km",
            "500 km",
            "5000 km"
        ],
        "product":[
            "observations",
            "reanalysis"
        ],
        "realm":[
            "aerosol",
            "atmos",
            "atmosChem",
            "land",
            "landIce",
            "ocean",
            "ocnBgchem",
            "seaIce"
        ],
        "region":[
            "africa",
            "antarctica",
            "arabian_sea",
            "aral_sea",
            "arctic_ocean",
            "asia",
            "atlantic_ocean",
            "australia",
            "baltic_sea",
            "barents_opening",
            "barents_sea",
            "beaufort_sea",
            "bellingshausen_sea",
            "bering_sea",
            "bering_strait",
            "black_sea",
            "canadian_archipelago",
            "caribbean_sea",
            "caspian_sea",
            "central_america",
            "chukchi_sea",
            "contiguous_united_states",
            "denmark_strait",
            "drake_passage",
            "east_china_sea",
            "english_channel",
            "eurasia",
            "europe",
            "faroe_scotland_channel",
            "florida_bahamas_strait",
            "fram_strait",
            "global",
            "global_land",
            "global_ocean",
            "great_lakes",
            "greenland",
            "gulf_of_alaska",
            "gulf_of_mexico",
            "hudson_bay",
            "iceland_faroe_channel",
            "indian_ocean",
            "indo_pacific_ocean",
            "indonesian_throughflow",
            "irish_sea",
            "lake_baykal",
            "lake_chad",
            "lake_malawi",
            "lake_tanganyika",
            "lake_victoria",
            "mediterranean_sea",
            "mozambique_channel",
            "north_america",
            "north_sea",
            "norwegian_sea",
            "pacific_equatorial_undercurrent",
            "pacific_ocean",
            "persian_gulf",
            "red_sea",
            "ross_sea",
            "sea_of_japan",
            "sea_of_okhotsk",
            "south_america",
            "south_china_sea",
            "southern_ocean",
            "taiwan_luzon_straits",
            "weddell_sea",
            "windward_passage",
            "yellow_sea"
        ],
        "required_global_attributes":[
            "Conventions",
            "activity_id",
            "contact",
            "creation_date",
            "data_specs_version",
            "frequency",
            "grid",
            "grid_label",
            "institution",
            "institution_id",
            "license",
            "nominal_resolution",
            "product",
            "realm",
            "source_id",
            "table_id",
            "tracking_id",
            "variable_id",
            "variant_label"
        ],
        "source_id":{
            "AIRS-1-0":{
                "region":"global",
                "source":"AIRS 1.0 (2011): Atmospheric Infrared Sounder",
                "source_label":"AIRS",
                "source_type":"satellite_retrieval",
                "source_version_number":"1.0"
            },
            "AIRS-2-0":{
                "region":"global",
                "source":"AIRS 2.0 (2011): Atmospheric Infrared Sounder",
                "source_label":"AIRS",
                "source_type":"satellite_retrieval",
                "source_version_number":"2.0"
            },
            "AMSRE-v7":{
                "region":"global_ocean",
                "source":"AMRSE v7 v7 (2011): Sea Surface Temperature from AMSR-E onboard AQUA",
                "source_label":"AMRSE v7",
                "source_type":"satellite_retrieval",
                "source_version_number":"v7"
            },
            "AVISO-1-0":{
                "region":"global",
                "source":"AVISO 1 0 1.0 (2011): Sea Surface Height Above Geoid",
                "source_label":"AVISO 1 0",
                "source_type":"satellite_retrieval",
                "source_version_number":"1.0"
            },
            "Aura-MLS-v04-2":{
                "region":"global",
                "source":"Aura-MLS v04.2 (2018): EOS Aura Microwave Limb Sounder",
                "source_label":"Aura-MLS",
                "source_type":"satellite_retrieval",
                "source_version_number":"v04.2"
            },
            "CMSAF-CLARA-A-2-0":{
                "region":"global",
                "source":"CMSAF-CLARA-A 2.0 (2017): CM SAF cLoud, Albedo and surface RAdiation dataset from AVHRR data",
                "source_label":"CMSAF-CLARA-A",
                "source_type":"satellite_retrieval",
                "source_version_number":"2.0"
            },
            "CMSAF-HOAPS-4-0":{
                "region":"global_ocean",
                "source":"CMSAF-HOAPS 4.0 (2017): Hamburg Ocean Atmosphere Parameters and fluxes from Satellite data, based on SSM/I and SSMIS aboard DMSP",
                "source_label":"CMSAF-HOAPS",
                "source_type":"satellite_retrieval",
                "source_version_number":"4.0"
            },
            "CMSAF-SARAH-2-0":{
                "region":"africa, atlantic_ocean, europe",
                "source":"CMSAF-SARAH 2.0 (2017): Surface solAr RAdiation data set - Heliosat, based on MVIRI/SEVIRI aboard METEOSAT",
                "source_label":"CMSAF-SARAH",
                "source_type":"satellite_retrieval",
                "source_version_number":"2.0"
            },
            "ESACCI-CLOUD-ATSR2-AATSR-2-0":{
                "region":"global",
                "source":"ESACCI-CLOUD-ATSR2-AATSR 2.0 (2017): Cloud properties derived from ATSR2 and AATSR (aboard ERS2 and ENVISAT) measurements. This dataset belongs to the ESA Cloud_cci suite of long-term coherent cloud property datasets.",
                "source_label":"ESACCI-CLOUD-ATSR2-AATSR",
                "source_type":"satellite_retrieval",
                "source_version_number":"2.0"
            },
            "ESACCI-CLOUD-AVHRR-AM-2-0":{
                "region":"global",
                "source":"ESACCI-CLOUD-AVHRR-AM 2.0 (2017): Cloud properties derived from AVHRR (aboard NOAA and MetOp AM) measurements. This dataset belongs to the ESA Cloud_cci suite of long-term coherent cloud property datasets",
                "source_label":"ESACCI-CLOUD-AVHRR-AM",
                "source_type":"satellite_retrieval",
                "source_version_number":"2.0"
            },
            "ESACCI-CLOUD-AVHRR-PM-2-0":{
                "region":"global",
                "source":"ESACCI-CLOUD-AVHRR-PM 2.0 (2017): Cloud properties derived from AVHRR (aboard NOAA and MetOp PM) measurements. This dataset belongs to the ESA Cloud_cci suite of long-term coherent cloud property datasets",
                "source_label":"ESACCI-CLOUD-AVHRR-PM",
                "source_type":"satellite_retrieval",
                "source_version_number":"2.0"
            },
            "ESACCI-CLOUD-MERIS-AATSR-2-0":{
                "region":"global",
                "source":"ESACCI-CLOUD-MERIS-AATSR 2.0 (2017): Cloud properties derived from MERIS and AATSR (aboard ENVISAT) measurements. This dataset belongs to the ESA Cloud_cci suite of long-term coherent cloud property datasets.",
                "source_label":"ESACCI-CLOUD-MERIS-AATSR",
                "source_type":"satellite_retrieval",
                "source_version_number":"2.0"
            },
            "GNSS-RO-1-3":{
                "region":"global",
                "source":"GNSS-RO 1.3 (2016): Global Navigation Satellite Systems Radio Occultation",
                "source_label":"GNSS-RO",
                "source_type":"satellite_retrieval",
                "source_version_number":"1.3"
            },
            "GPCP-1DD":{
                "region":"global",
                "source":"GPCP 1DD 1.3 (2013): Global Precipitation Climatology Project One Degree Daily",
                "source_label":"GPCP 1DD",
                "source_type":"satellite_blended",
                "source_version_number":"1.3"
            },
            "GPCP-SG":{
                "region":"global",
                "source":"GPCP SG 2.3 (2016): Global Precipitation Climatology Project Satellite-Gauge",
                "source_label":"GPCP SG",
                "source_type":"satellite_blended",
                "source_version_number":"2.3"
            },
            "MODIS-1-0":{
                "region":"global",
                "source":"MODIS 1.0 (2011): Atmospheric Infrared Sounder",
                "source_label":"MODIS",
                "source_type":"satellite_retrieval",
                "source_version_number":"1.0"
            },
            "NOAA-NCEI-AVHRR-NDVI-4-0":{
                "region":"global_land",
                "source":"NOAA-NCEI-AVHRR-NDVI 4.0 (2013): Normalized Difference Vegetation Index",
                "source_label":"NOAA-NCEI-AVHRR-NDVI",
                "source_type":"satellite_retrieval",
                "source_version_number":"4.0"
            },
            "NOAA-NCEI-ERSST-4-0":{
                "region":"global_ocean",
                "source":"NOAA-NCEI-ERSST 4.0 (2015): Extended Reconstructed Sea Surface Temperatures",
                "source_label":"NOAA-NCEI-ERSST",
                "source_type":"gridded_insitu",
                "source_version_number":"4.0"
            },
            "NOAA-NCEI-FAPAR-4-0":{
                "region":"global_land",
                "source":"NOAA-NCEI-FAPAR 4.0 (2014): AVHRR Fraction of Absorbed Photosynthetically Active Radiation",
                "source_label":"NOAA-NCEI-FAPAR",
                "source_type":"satellite_retrieval",
                "source_version_number":"4.0"
            },
            "NOAA-NCEI-GridSat-4-0":{
                "region":"global",
                "source":"NOAA-NCEI-GridSat 4.0 (2015): Gridded Satellite ISCCP B1 11 Micron Brightness Temperature",
                "source_label":"NOAA-NCEI-GridSat",
                "source_type":"satellite_retrieval",
                "source_version_number":"4.0"
            },
            "NOAA-NCEI-HIRS-OLR-1-2":{
                "region":"global",
                "source":"NOAA NCEI HIRS OLR 1.2 (2014): HIRS Outgoing Longwave Radiation",
                "source_label":"NOAA NCEI HIRS OLR",
                "source_type":"satellite_retrieval",
                "source_version_number":"1.2"
            },
            "NOAA-NCEI-LAI-4-0":{
                "region":"global_land",
                "source":"NOAA-NCEI-LAI 4.0 (2014): AVHRR Leaf Area Index",
                "source_label":"NOAA-NCEI-LAI",
                "source_type":"satellite_retrieval",
                "source_version_number":"4.0"
            },
            "NOAA-NCEI-OISST-2-0":{
                "region":"global_ocean",
                "source":"NOAA NCEI OISST 2.0 (2008): Optimal Interpolation Sea Surface Temperature",
                "source_label":"NOAA NCEI OISST",
                "source_type":"satellite_blended",
                "source_version_number":"2.0"
            },
            "NOAA-NCEI-PERSIANN-1-1":{
                "region":"global",
                "source":"NOAA-NCEI-PERSIANN 1.1 (2014): Precipitation Estimation from Remotely Sensed Information using Artificial Neural Network",
                "source_label":"NOAA-NCEI-PERSIANN",
                "source_type":"satellite_retrieval",
                "source_version_number":"1.1"
            },
            "NOAA-NCEI-SSMI-SeaIce-2-0":{
                "region":"arctic_ocean, southern_ocean",
                "source":"NOAA-NCEI-SSMI-SeaIce 2.0 (2013): SSMI Passive Microwave Sea Ice Area Fraction",
                "source_label":"NOAA-NCEI-SSMI-SeaIce",
                "source_type":"satellite_retrieval",
                "source_version_number":"2.0"
            },
            "NOAA-NCEI-SeaWinds-1-2":{
                "region":"global_ocean",
                "source":"NOAA-NCEI-SeaWinds 1.2 (2008): Blended Sea Surface Winds",
                "source_label":"NOAA-NCEI-SeaWinds",
                "source_type":"satellite_blended",
                "source_version_number":"1.2"
            },
            "QuikSCAT-v20110531":{
                "region":"global",
                "source":"QuikSCAT v20110531 (2011): QuikSCAT winds monthly climatology derived from QuikSCAT L2B using the 2006 model function and processing algorithms.",
                "source_label":"QuikSCAT",
                "source_type":"satellite_retrieval",
                "source_version_number":"v20110531"
            },
            "REMSS-PRW-6-6-0":{
                "region":"global",
                "source":"REMSS-PRW 6.6.0 (2017): Water Vapor Path",
                "source_label":"REMSS-PRW",
                "source_type":"satellite_blended",
                "source_version_number":"6.6.0"
            },
            "RSS-v7":{
                "region":"global_ocean",
                "source":"RSS-v7 v7 (2011): Satellite derived fields produced by RSS",
                "source_label":"RSS-v7",
                "source_type":"satellite_retrieval",
                "source_version_number":"v7"
            },
            "TES-1-0":{
                "region":"global",
                "source":"TES 1 0 1.0 (2011): Mole Fraction of O3",
                "source_label":"TES 1 0",
                "source_type":"satellite_retrieval",
                "source_version_number":"1.0"
            }
        },
        "source_type":{
            "gridded_insitu":"gridded product based on measurements collected from in-situ instruments",
            "reanalysis":"gridded product generated from a model reanalysis based on in-situ instruments and possibly satellite measurements",
            "satellite_blended":"gridded product based on both in-situ instruments and satellite measurements",
            "satellite_retrieval":"gridded product based on satellite measurements"
        },
        "table_id":[
            "obs4MIPs_Aday",
            "obs4MIPs_Amon",
            "obs4MIPs_Lmon",
            "obs4MIPs_Omon",
            "obs4MIPs_SImon",
            "obs4MIPs_fx",
            "obs4MIPs_monNobs",
            "obs4MIPs_monStderr"
        ]
    }
}