[RegCNET] negative values in the fields of precipitation

[gaoxj at cma.gov.cn]

Hi Elena,

This minor negative value is due to the error of the computer memory (truncation error, might be the right word). It happens sometimes. Simply reassign them to zero by either grads or fortran code.

Gao

  ----- Original Message ----- 
  From: smirnova 
  To: regcnet at lists.ictp.it 
  Sent: Thursday, March 15, 2007 5:18 PM
  Subject: [RegCNET] negative values in the fields of precipitation


  Dear All,

  I have faced with problem. The fields of precipitation from CRUdata have negative values (-0,000686634) for some regions. What does it mean? And how to avoid them? As I know value -32767 is used for missing data.

  Thanks in advance for any help !
  Elena



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