如何在NC文件中更正参考时间？
如
ncatted -a calendar,time,o,c,standard in.nc out.nc
更改
cdo setcalendar,standard in.nc out.nc
日历：Gregorian到日历：标准时间：Ref Time仍然是1900：01：01，如图所示 2 在此处输入图像描述 在这方面需要帮助。 我正在使用CDO，R和Python。 如何更正裁判时间？
As it is shown in this image , my data starts from 1980-01-01 00:00:00. I would like my ref time to be the first time entry i.e. 1980-01-01. But instead the ref time is 1900-01-01 00:00:00. As the calendar is gregorian, i tried to change the calendar to standard format by using these two different commands and both works
ncatted -a calendar,time,o,c,standard in.nc out.nc
or
cdo setcalendar,standard in.nc out.nc
It changes the calendar:gregorian to calendar:standard but ref time is still 1900:01:01 as shown in the pic 2
enter image description here
Need help in this regard.
I am using cdo, R, and python.
How can I correct the ref time ?
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最后提到
reftime对于大多数目的应该是任意的。通常，只有通过数据协议指定的参考时间（即您想将模型输出上传到模型对比项目），他们指定他们想要特定的重新段） - 这一事实不是第一个事实，这一事实不是第一个，时间层的日期通常不是问题，日期仍然是正确的。you can set the reference time with
See this link for details in the online manual
Just to lastly mention that the
reftimeshould be arbitrary for most purposes. Usually one only needs to change the ref time if it is specified by a data protocol (i.e. you want to upload model output to a model intercomparison project and they specify that they want a specific reftime) - the fact that the reftime is not the first timeslice's date is usually not an issue, the dates will still be correct.