<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="title" value="Global Drifter Program drifting buoy collection" />
  <attribute name="id" value="Global Drifter Program ID 63715640" />
  <attribute name="wmo_platform_code" value="4400834" />
  <attribute name="ncei_template_version" value="NCEI_NetCDF_Trajectory_Template_v2" />
  <attribute name="cdm_data_type" value="Trajectory" />
  <attribute name="history" value="From buoydata_15001_sep20.dat with metadata from dirall.dat and deplog.dat" />
  <attribute name="featureType" value="trajectory" />
  <attribute name="Conventions" value="CF-1.6, ACDD-1.3" />
  <attribute name="time_coverage_start" value="2015-11-21T12:11:00Z" />
  <attribute name="time_coverage_end" value="2016-01-13T12:01:00Z" />
  <attribute name="geospatial_lat_min" value="40.647f" />
  <attribute name="geospatial_lat_max" value="43.370f" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lat_resolution" value="tbd" />
  <attribute name="geospatial_lon_min" value="-42.118f" />
  <attribute name="geospatial_lon_max" value="-39.559f" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="geospatial_lon_resolution" value="tbd" />
  <attribute name="geospatial_bounds" value="polygon (  180.000  40.647,  320.441  40.647,  320.441  43.370, 180.000  43.370, 180.000  40.647" />
  <attribute name="date_created" value="2021-02-18T01:02:48Z" />
  <attribute name="date_modified" value="2021-02-18T01:02:48Z" />
  <attribute name="date_issued" value="2021-02-18T01:02:48Z" />
  <attribute name="publisher_name" value="GDP Drifter DAC" />
  <attribute name="publisher_email" value="aoml.dftr@noaa.gov" />
  <attribute name="publisher_url" value="https://www.aoml.noaa.gov/phod/gdp" />
  <attribute name="licence" value="freely available" />
  <attribute name="processing_level" value="Level 2 QC by GDP drifter DAC" />
  <attribute name="metadata_link" value="https://www.aoml.noaa.gov/phod/dac/dirall.html" />
  <attribute name="source" value="source description" />
  <attribute name="uuid" value="n/a" />
  <attribute name="naming_authority" value="n/a" />
  <attribute name="contributor_name" value="NOAA Global Drifter Program" />
  <attribute name="contributor_role" value="Data Acquisition Center" />
  <attribute name="institution" value="NOAA Atlantic Oceanographic and Meteorological Laboratory" />
  <attribute name="creator_name" value="GDP drifter DAC" />
  <attribute name="creator_url" value="https://www.aoml.noaa.gov/phod/gdp" />
  <attribute name="creator_email" value="aoml.dftr@noaa.gov" />
  <attribute name="acknowledgement" value="Lumpkin, Rick; Centurioni, Luca (2019). Global Drifter Program quality-controlled 6-hour interpolated data from ocean surface drifting buoys. [indicate subset used].NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/7ntx-z961. Accessed [date]." />
  <attribute name="doi" value="10.25921/7ntx-z961" />
  <attribute name="summary" value="Global Drifter Program 6h data" />
  <attribute name="comment" value="Global Drifter Program 6h data" />
  <attribute name="standard_name_vocabulary" value="CF Standard Name Table v30" />
  <attribute name="instrument_vocabulary" value="n/a" />
  <attribute name="keywords_vocabulary" value="n/a" />
  <attribute name="keywords" value="drifter, surface current, sea surface temperature, interpolated" />
  <attribute name="DeployingShip" value="WHOI" />
  <attribute name="DeploymentStatus" value="good" />
  <attribute name="BuoyTypeManufacturer" value="SIO" />
  <attribute name="BuoyTypeSensorArray" value="SVPGHI" />
  <attribute name="CurrentProgram" value="21312" />
  <attribute name="PurchaserFunding" value="NOAA" />
  <attribute name="SensorUpgrade" />
  <attribute name="Transmissions" value="NOAA" />
  <attribute name="DeployingCountry" value="United States" />
  <attribute name="DeploymentComments" value="Controller failure - caused batteries to drain prematurely" />
  <attribute name="ManufactureYear" value="2015" />
  <attribute name="ManufactureMonth" value="8" />
  <attribute name="ManufactureSensorType" value="SVPGHI" />
  <attribute name="ManufactureVoltage" value="56 volts" />
  <attribute name="FloatDiameter" value="38.1 cm" />
  <attribute name="SubsfcFloatPresence" value="0" />
  <attribute name="DrogueType" value="HOLY244" />
  <attribute name="DrogueLength" value="7.5 m" />
  <attribute name="DrogueBallast" value="1.8 kg" />
  <attribute name="DragAreaAboveDrogue" value="15.85 m^2" />
  <attribute name="DragAreaOfDrogue" value="645.24 m^2" />
  <attribute name="DragAreaRatio" value="40.7091" />
  <attribute name="DrogueCenterDepth" value="15 m" />
  <attribute name="DrogueDetectSensor" value="tether strain" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="string_10" length="10" />
  <dimension name="traj" length="1" />
  <dimension name="obs" length="213" />
  <group name="CFMetadata">
    <attribute name="geospatial_lon_min" value="-42.118" type="float" />
    <attribute name="geospatial_lat_min" value="40.647" type="float" />
    <attribute name="geospatial_lon_max" value="-39.559" type="float" />
    <attribute name="geospatial_lat_max" value="43.37" type="float" />
    <attribute name="geospatial_lon_units" value="degrees_east" />
    <attribute name="geospatial_lat_units" value="degrees_north" />
    <attribute name="geospatial_lon_resolution" value="0.012844337607329746" />
    <attribute name="geospatial_lat_resolution" value="0.012844337607329746" />
    <attribute name="time_coverage_start" value="2015-11-21T12:00:00Z" />
    <attribute name="time_coverage_end" value="2016-01-13T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="21600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M53DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-03-11" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="ID" shape="traj string_10" type="char">
    <attribute name="long_name" value="Global Drifter Program Buoy ID" />
    <attribute name="cf_role" value="trajectory_id" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 10" />
  </variable>
  <variable name="rowsize" shape="traj" type="int">
    <attribute name="long_name" value="number of obs for this trajectory" />
    <attribute name="sample_dimension" value="obs" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="WMO" shape="traj" type="int">
    <attribute name="long_name" value="World Meteorological Organization buoy identification number" />
    <attribute name="missing_value" type="double" value="-999.0" />
    <attribute name="history" value="From dirall.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="expno" shape="traj" type="int">
    <attribute name="long_name" value="Experiment number" />
    <attribute name="missing_value" type="double" value="-999.0" />
    <attribute name="history" value="From dirall.dat" />
    <attribute name="units" value="count" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="deploy_date" shape="traj" type="float">
    <attribute name="long_name" value="Deployment date and time" />
    <attribute name="units" value="seconds since 1970-01-01 00:00:00 UTC" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From deplog.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="deploy_lat" shape="traj" type="float">
    <attribute name="long_name" value="Deployment latitude" />
    <attribute name="units" value="degrees_north" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From deplog.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="deploy_lon" shape="traj" type="float">
    <attribute name="long_name" value="Deployment longitude" />
    <attribute name="units" value="degrees_east" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From deplog.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="end_date" shape="traj" type="float">
    <attribute name="long_name" value="End date and time" />
    <attribute name="units" value="seconds since 1970-01-01 00:00:00 UTC" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From dirall.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="end_lat" shape="traj" type="float">
    <attribute name="long_name" value="End latitude" />
    <attribute name="units" value="degrees_north" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From dirall.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="end_lon" shape="traj" type="float">
    <attribute name="long_name" value="End longitude" />
    <attribute name="units" value="degrees_east" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From dirall.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="drogue_lost_date" shape="traj" type="float">
    <attribute name="long_name" value="Date of drogue loss (missing value=drogue still attached; 0=drogue status uncertain from beginning)" />
    <attribute name="units" value="seconds since 1970-01-01 00:00:00 UTC" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From dirall.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="typedeath" shape="traj" type="int">
    <attribute name="long_name" value="Type of death (0=buoy still alive, 1=buoy ran aground, 2=picked up by vessel, 3=stop transmitting, 4=sporadic transmissions, 5=bad batteries, 6=inactive status)" />
    <attribute name="missing_value" value="-999" />
    <attribute name="history" value="From dirall.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1" />
  </variable>
  <variable name="typebuoy" shape="traj string_10" type="char">
    <attribute name="long_name" value="Buoy type (see https://www.aoml.noaa.gov/phod/dac/dirall.html)" />
    <attribute name="history" value="From dirall.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 10" />
  </variable>
  <variable name="longitude" shape="traj obs" type="float">
    <attribute name="long_name" value="Longitude" />
    <attribute name="units" value="degrees_east" />
    <attribute name="axis" value="X" />
    <attribute name="valid_min" value="-180.f" />
    <attribute name="valid_max" value="180.f" />
    <attribute name="standard_name" value="longitude" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="latitude" shape="traj obs" type="float">
    <attribute name="long_name" value="Latitude" />
    <attribute name="units" value="degrees_north" />
    <attribute name="axis" value="Y" />
    <attribute name="valid_min" value="-90.f" />
    <attribute name="valid_max" value="90.f" />
    <attribute name="standard_name" value="latitude" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="lon360" shape="traj obs" type="float">
    <attribute name="long_name" value="Longitude" />
    <attribute name="units" value="degrees_east" />
    <attribute name="axis" value="X" />
    <attribute name="valid_min" value="0.f" />
    <attribute name="valid_max" value="360.f" />
    <attribute name="standard_name" value="longitude" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="Computed from buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="temp" shape="traj obs" type="float">
    <attribute name="long_name" value="Sea Surface Bulk Temperature" />
    <attribute name="units" value="degree_Celcius" />
    <attribute name="valid_min" value="-15.f" />
    <attribute name="valid_max" value="40.f" />
    <attribute name="data_min" value="16.437" />
    <attribute name="data_max" value="18.235" />
    <attribute name="standard_name" value="sea_surface_subskin_temperature" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="ve" shape="traj obs" type="float">
    <attribute name="long_name" value="Eastward velocity (12 hr centered difference)" />
    <attribute name="units" value="m/s" />
    <attribute name="data_min" value="-0.2682" />
    <attribute name="data_max" value="0.48324" />
    <attribute name="standard_name" value="surface_eastward_sea_water_velocity" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="vn" shape="traj obs" type="float">
    <attribute name="long_name" value="Northward velocity (12 hr centered difference)" />
    <attribute name="units" value="m/s" />
    <attribute name="data_min" value="-0.38195" />
    <attribute name="data_max" value="0.3464" />
    <attribute name="standard_name" value="surface_northward_sea_water_velocity" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="err_temp" shape="traj obs" type="float">
    <attribute name="long_name" value="Standard error in temperature" />
    <attribute name="units" value="degree_Celcius" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="err_lat" shape="traj obs" type="float">
    <attribute name="long_name" value="Standard error in latitude" />
    <attribute name="units" value="degrees_north" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="err_lon" shape="traj obs" type="float">
    <attribute name="long_name" value="Standard error in longitude" />
    <attribute name="units" value="degrees_east" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
  </variable>
  <variable name="time" shape="traj obs" type="double">
    <attribute name="long_name" value="Time" />
    <attribute name="units" value="seconds since 1970-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="valid_min" value="-90.f" />
    <attribute name="valid_max" value="90.f" />
    <attribute name="standard_name" value="time" />
    <attribute name="missing_value" value="-1.e+34f" />
    <attribute name="history" value="From buoydata_15001_sep20.dat" />
    <attribute name="_ChunkSizes" type="uint" value="1 213" />
    <attribute name="_CoordinateAxisType" value="Time" />
    <attribute name="calendar" value="gregorian" />
  </variable>
</netcdf>
