我想听听您解决netCDF库问题的建议。当我使用程序netcdf merge来组合几个小的netcdf文件时，我得到以下消息：
netCDF库报告了以下问题：
NetCDF: Attempt to convert between text & numbers
我卡住了~~请让我知道任何建议。非常感谢。
以下是我的日志文件：
imerge: Merging 61 npptot*.nc files, using 1 buffers
Number of dimensions: 4
Dimension id: 0 Name: longitude Length: 4
Dimension id: 1 Name: latitude Length: 1
Dimension id: 2 Name: time Length: 60
Dimension id: 3 Name: lengthd Length: 10
Number of variables: 6
Number of global attributes: 5
Global attribute: 0 Attribute: title Type: NC_CHAR, string Length: 25 Value: monthly total NPP carbon
Global attribute: 1 Attribute: source Type: NC_CHAR, string Length: 14 Value: ibis wmonthly
Global attribute: 2 Attribute: history Type: NC_CHAR, string Length: 12 Value: 14-May-2012
Global attribute: 3 Attribute: calendar Type: NC_CHAR, string Length: 10 Value: gregorian
Global attribute: 4 Attribute: conventions Type: NC_CHAR, string Length: 9 Value: NCAR-CSM
Variable: longitude Attribute: long_name Type: NC_CHAR, string Length: 10 Value: longitude
Variable: longitude Attribute: units Type: NC_CHAR, string Length: 13 Value: degrees_east
Attention: NetCDF attribute 'missing_value' does not exist for the selected variable.
Variable: latitude Attribute: long_name Type: NC_CHAR, string Length: 9 Value: latitude
Variable: latitude Attribute: units Type: NC_CHAR, string Length: 14 Value: degrees_north
Attention: NetCDF attribute 'missing_value' does not exist for the selected variable.
Variable: time Attribute: long_name Type: NC_CHAR, string Length: 5 Value: time
Variable: time Attribute: units Type: NC_CHAR, string Length: 22 Value: days since 1500-12-31
Attention: NetCDF attribute 'missing_value' does not exist for the selected variable.
Variable: time_weights Attribute: long_name Type: NC_CHAR, string Length: 29 Value: number of days per time step
Variable: time_weights Attribute: units Type: NC_CHAR, string Length: 5 Value: days
Attention: NetCDF attribute 'missing_value' does not exist for the selected variable.
Variable: date Attribute: long_name Type: NC_CHAR, string Length: 25 Value: label for each time step
Variable: date Attribute: units Type: NC_CHAR, string Length: 1 Value:
Attention: NetCDF attribute 'missing_value' does not exist for the selected variable.
Variable: npptot Attribute: long_name Type: NC_CHAR, string Length: 16 Value: total NPP carbon
Variable: npptot Attribute: units Type: NC_CHAR, string Length: 14 Value: kg-C/m^2/month
Variable: npptot Attribute: missing_value Type: NC_FLOAT, 4 bytes Length: 1 Value: 9e+20
Value of netCDF attribute 'missing_value' is: 9e+20
In file npptot0.nc there is 1 nlat line for a running total of 1 latitude lines.
:
:
:
variable 0: longitude, rank 1, size 4
variable 1: latitude, rank 1, size 61
variable 2: time, rank 1, size 60
variable 3: time_weights, rank 1, size 60
variable 4: date, rank 2, size 600