netcdf files/d387000/AMF_USUMB_L4_d_V002.nc {
  dimensions:
    time = UNLIMITED;   // (2922 currently)
    name_strlen = 38;
    nb = 2;
  variables:
    float time(time=2922);
      :standard_name = "time";
      :units = "days since 1999-01-01 00:00:00";
      :calendar = "standard";
      :bounds = "time_bounds";

    float time_bounds(time=2922, nb=2);

    float lat;
      :standard_name = "latitude";
      :long_name = "station latitude";
      :units = "degrees_north";

    float lon;
      :standard_name = "longitude";
      :long_name = "station longitude";
      :units = "degrees_east";

    float elev;
      :standard_name = "surface_altitude";
      :long_name = "station elevation";
      :units = "m";

    char station_name(name_strlen=38);
      :long_name = "station name";
      :cf_role = "timeseries_id";

    int year(time=2922);
      :long_name = "year";

    int month(time=2922);
      :long_name = "month";

    int day(time=2922);
      :long_name = "day of the month";

    int doy(time=2922);
      :long_name = "day of the year";

    float Rg_f(time=2922);
      :long_name = "global radiation filled";
      :units = "MJ m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float Rg_sqc(time=2922);
      :long_name = "global radiation summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float Ta_f(time=2922);
      :long_name = "air temperature filled";
      :units = "deg C";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float Ta_sqc(time=2922);
      :long_name = "air temperature summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float VPD_f(time=2922);
      :long_name = "vapor pressure deficit filled";
      :units = "hPa";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float VPD_sqc(time=2922);
      :long_name = "vapor pressure deficit summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float Ts_f(time=2922);
      :long_name = "soil temperature filled";
      :units = "deg C";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float Ts_sqc(time=2922);
      :long_name = "soil temperature summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float Precip(time=2922);
      :long_name = "precipitation";
      :units = "mm day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: sum (interval: 0.5 hr)";

    float SWC(time=2922);
      :long_name = "soil water content";
      :units = "%";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float H_f(time=2922);
      :long_name = "mean sensible heat flux filled";
      :units = "W m-2";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float H_sqc(time=2922);
      :long_name = "mean sensible heat flux summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float Le_f(time=2922);
      :long_name = "mean latent heat flux filled";
      :units = "W m-2";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float Le_sqc(time=2922);
      :long_name = "mean latent heat flux summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float Reco_st(time=2922);
      :long_name = "ecosystem respiration based on NEE_st";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float Reco_or(time=2922);
      :long_name = "ecosystem respiration based on NEE_or";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float NEE_st_fMDS(time=2922);
      :long_name = "NEE_st filled using the Marginal Distribution Sampling method";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float NEE_st_fMDSsqc(time=2922);
      :long_name = "NEE_st summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float GPP_st_MDS(time=2922);
      :long_name = "gross primary production based on NEE_st filled using the Marginal Distribution Sampling method";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float NEE_or_fMDS(time=2922);
      :long_name = "NEE_or filled using the Marginal Distribution Sampling method";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float NEE_or_fMDSsqc(time=2922);
      :long_name = "NEE_or summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float GPP_or_MDS(time=2922);
      :long_name = "gross primary production based on NEE_or filled using the Marginal Distribution Sampling method";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float NEE_st_fANN(time=2922);
      :long_name = "NEE_st filled using the Artificial Neural Network method";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float NEE_st_fANNsqc(time=2922);
      :long_name = "NEE_st summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float GPP_st_ANN(time=2922);
      :long_name = "gross primary production based on NEE_st filled using the Artificial Neural Network method";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float NEE_or_fANN(time=2922);
      :long_name = "NEE_or filled using the Artificial Neural Network method";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

    float NEE_or_fANNsqc(time=2922);
      :long_name = "NEE_or summary quality flag";
      :units = "fraction";
      :_FillValue = -9999.0f; // float
      :comment = "fraction of half-hourly data with qc = 0 (original data) or 1 (filled with most reliable data) used in the aggregation";

    float GPP_or_ANN(time=2922);
      :long_name = "gross primary production based on NEE_or filled using the Artificial Neural Network method";
      :units = "gC m-2 day-1";
      :_FillValue = -9999.0f; // float
      :cell_methods = "time: mean (interval: 0.5 hr)";

  // global attributes:
  :Source = "UCAR/CISL/RDA";
  :Contact = "Bob Dattore, dattore@ucar.edu, (303) 497-1825";
  :Site_Name = "University Michigan Biological Station";
  :featureType = "timeSeries";
}