Changes between Version 4 and Version 5 of PointObservationConventions


Ignore:
Timestamp:
02/23/09 12:18:36 (11 years ago)
Author:
caron
Comment:

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  • PointObservationConventions

    v4 v5  
    127127The humidity(s,i) and temp(s,i) data are associated with the coordinate values time(s,i), lat(s), lon(s), and optionally vertical(s). The station dimension may be the unlimited dimension or not.
    128128
    129 The time coordinate may use a missing value, which indicates that data is missing for that station and obs index. This allows one to have a variable number of observations at different stations, at the cost of some wasted space. The data variables may also use missing data values, to indicate that just that data variable is missing.
     129The time coordinate may use a missing value, which indicates that data is missing for that station and obs index. This allows one to have a variable number of observations at different stations, at the cost of some wasted space. The data variables may also use missing data values, to indicate that just that data variable is missing. If all the time values are identical for each station, you may use time(obs) or time(time) to indicate this.
    130130
    131131Note that this is a generalization of Example 5.4, which assumes that all the stations have observations with the same time coordinates.
     
    157157  int nobs(station) ;
    158158    nobs:long_name = "number of observations for this station " ;
    159     nobs:standard_name = ragged_rowSize" ;
     159    nobs:standard_name = "ragged_rowSize" ;
    160160
    161161  double time(obs) ;