{
  "asset": "arrival-currents-gdp-v3-10.bin",
  "description": "NOAA Global Drifter Program annual mean near-surface velocity climatology",
  "source_url": "https://erddap.aoml.noaa.gov/gdp/erddap/griddap/drifter_annualmeans.nc?U%5B(-60):1:(110)%5D%5B(-50):1:(2)%5D,V%5B(-60):1:(110)%5D%5B(-50):1:(2)%5D",
  "source_sha256": "a7e8014c073da66e012bab41a8812655baf42929d02d47d022f6fbefb8f6a0b4",
  "asset_sha256": "ec212e9df897a4e819ec8432e004af92c36b9cd2ea084499635abda707ccba74",
  "retrieved": "2026-09-08",
  "source_metadata": {
    "author": "Laurindo, Mariano, and Lumpkin (2017), Deep-Sea Res. I, doi:10.1016/j.dsr.2017.04.009",
    "cdm_data_type": "Grid",
    "Conventions": "COARDS, CF-1.10, ACDD-1.3",
    "creator_email": "aoml.webmaster@noaa.gov",
    "creator_name": "NOAA/AOML & Univ. Miami",
    "creator_type": "institution",
    "creator_url": "https://www.aoml.noaa.gov/",
    "datadate": "Climatology uses data through 28-Feb-2023",
    "date2": "File created 21-Aug-2023 09:38:21",
    "description": "Annual Means of Drifter Data",
    "Easternmost_Easting": 110.125,
    "geospatial_lat_max": 2.125,
    "geospatial_lat_min": -49.875,
    "geospatial_lat_resolution": 0.25,
    "geospatial_lat_units": "degrees_north",
    "geospatial_lon_max": 110.125,
    "geospatial_lon_min": -59.875,
    "geospatial_lon_resolution": 0.25,
    "geospatial_lon_units": "degrees_east",
    "history": "2026-09-08T15:17:27Z (local files)\n2026-09-08T15:17:27Z https://erddap.aoml.noaa.gov/gdp/erddap/griddap/drifter_annualmeans.nc?U%5B(-60):1:(110)%5D%5B(-50):1:(2)%5D,V%5B(-60):1:(110)%5D%5B(-50):1:(2)%5D",
    "infoUrl": "https://www.aoml.noaa.gov/",
    "institution": "NOAA/AOML & Univ. Miami",
    "keywords": "annualmeans, aoml, atlantic, data, days, degree, drifter, drifter-days, earth, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, error, eSST, european, laboratory, latitude, longitude, meridional, meteorological, miami, noaa, number, ocean, oceanographic, oceans, per, science, sea, sea_surface_temperature, square, SST, standard, surface, temperature, union, university, velocity, zonal",
    "keywords_vocabulary": "GCMD Science Keywords",
    "license": "Creative Commons Attribution 4.0 (https://creativecommons.org/licenses/by/4.0/) This study used data collected and made freely available by the NOAA Global Drifter Program (https://www.aoml.noaa.gov/phod/gdp/) accessed from https://erddap.aoml.noaa.gov/gdp/erddap/index.html",
    "Northernmost_Northing": 2.125,
    "sourceUrl": "(local files)",
    "Southernmost_Northing": -49.875,
    "standard_name_vocabulary": "CF Standard Name Table v70",
    "summary": "Annual Means of Drifter Data. NOAA/Atlantic Oceanographic & Meteorological Laboratory (AOML) & Univ. Miami data from a local source.",
    "title": "Global Drifter Program - Climatology - Annual Means",
    "version": "3.10",
    "Westernmost_Easting": -59.875
  },
  "citation": "Laurindo, Mariano and Lumpkin (2017), https://doi.org/10.1016/j.dsr.2017.04.009",
  "licence": "https://creativecommons.org/licenses/by/4.0/",
  "grid": {
    "columns": 681,
    "rows": 209,
    "west": -59.875,
    "south": -49.875,
    "step_degrees": 0.25
  },
  "encoding": "24-byte little-endian GDP1 header; row-major south to north interleaved int16 eastward U, northward V; 0.001 m/s; -32768 missing",
  "valid_vectors": 115426,
  "processing": "Subset only; original grid retained; both components missing if either is missing; round to nearest 0.001 m/s. No spatial or temporal gap filling.",
  "presentation": "Bilinear interpolation requires four valid cells. Uniform accelerated time. Land mask, near-shore inward-component removal and temporary pointer impulses apply only to rendered particles; they do not alter this asset. Colours have no data meaning.",
  "version_note": "The NOAA version_3.11/drifter_annualmeans.nc download also reports v3.10 and data through 28-Feb-2023 internally. This asset therefore uses the ERDDAP release explicitly identified as v3.10, without claiming the newer directory version."
}