[RegCNET] ZERO values in rsnl and rsnlcl when using RRTM + CLM45

[chao.tang]

Hello all,


I was running RegCM-4.4.5.2 wich CLM45, when and only when I use RRTM,
They’re two variables having zero values : 

1. rsnl : Surface net upward longwave flux 
2. rsnscl : Clearsky surface net downward shortwave flux

For example, rsnl:
===================================================
[☃ 09:02 ~]>> ncks  -v rsnl EIN15_RAD.2001110100.monmean.nc | head -n 50
rsnl: type NC_DOUBLE, 3 dimensions, 5 attributes, chunked? no, compressed? no, packed? no
rsnl size (RAM) = 2*87*221*sizeof(NC_DOUBLE) = 38454*8 = 307632 bytes
rsnl dimension 0: time, size = 2 NC_DOUBLE (Record coordinate is time)
rsnl dimension 1: y, size = 87 (Non-coordinate dimension)
rsnl dimension 2: x, size = 221 (Non-coordinate dimension)
rsnl attribute 0: long_name, size = 32 NC_CHAR, value = Surface net upward longwave flux
rsnl attribute 1: standard_name, size = 32 NC_CHAR, value = surface_net_upward_longwave_flux
rsnl attribute 2: units, size = 5 NC_CHAR, value = W m-2
rsnl attribute 3: coordinates, size = 9 NC_CHAR, value = xlon xlat
rsnl attribute 4: cell_methods, size = 12 NC_CHAR, value = time: point

time: type NC_DOUBLE, 1 dimension, 2 attributes, chunked? no, compressed? no, packed? no
time size (RAM) = 2*sizeof(NC_DOUBLE) = 2*8 = 16 bytes
time dimension 0: time, size = 2 NC_DOUBLE (Record coordinate is time)
time attribute 0: units, size = 31 NC_CHAR, value = hours since 1949-12-01 00:00:00
time attribute 1: calendar, size = 8 NC_CHAR, value = standard

xlat: type NC_FLOAT, 2 dimensions, 4 attributes, chunked? no, compressed? no, packed? no
xlat size (RAM) = 87*221*sizeof(NC_FLOAT) = 19227*4 = 76908 bytes
xlat dimension 0: y, size = 87 (Non-coordinate dimension)
xlat dimension 1: x, size = 221 (Non-coordinate dimension)
xlat attribute 0: long_name, size = 24 NC_CHAR, value = Latitude on Cross Points
xlat attribute 1: units, size = 13 NC_CHAR, value = degrees_north
xlat attribute 2: standard_name, size = 8 NC_CHAR, value = latitude
xlat attribute 3: _CoordinateAxisType, size = 3 NC_CHAR, value = Lat

xlon: type NC_FLOAT, 2 dimensions, 4 attributes, chunked? no, compressed? no, packed? no
xlon size (RAM) = 87*221*sizeof(NC_FLOAT) = 19227*4 = 76908 bytes
xlon dimension 0: y, size = 87 (Non-coordinate dimension)
xlon dimension 1: x, size = 221 (Non-coordinate dimension)
xlon attribute 0: long_name, size = 25 NC_CHAR, value = Longitude on Cross Points
xlon attribute 1: units, size = 12 NC_CHAR, value = degrees_east
xlon attribute 2: standard_name, size = 9 NC_CHAR, value = longitude
xlon attribute 3: _CoordinateAxisType, size = 3 NC_CHAR, value = Lon

time[0]=455831 y[0] x[0] rsnl[0]=-0 W m-2
time[0]=455831 y[0] x[1] rsnl[1]=-0 W m-2
time[0]=455831 y[0] x[2] rsnl[2]=-0 W m-2
time[0]=455831 y[0] x[3] rsnl[3]=-0 W m-2
time[0]=455831 y[0] x[4] rsnl[4]=-0 W m-2
time[0]=455831 y[0] x[5] rsnl[5]=-0 W m-2
time[0]=455831 y[0] x[6] rsnl[6]=-0 W m-2
time[0]=455831 y[0] x[7] rsnl[7]=-0 W m-2
time[0]=455831 y[0] x[8] rsnl[8]=-0 W m-2
time[0]=455831 y[0] x[9] rsnl[9]=-0 W m-2
time[0]=455831 y[0] x[10] rsnl[10]=-0 W m-2
time[0]=455831 y[0] x[11] rsnl[11]=-0 W m-2
time[0]=455831 y[0] x[12] rsnl[12]=-0 W m-2
time[0]=455831 y[0] x[13] rsnl[13]=-0 W m-2
time[0]=455831 y[0] x[14] rsnl[14]=-0 W m-2
...
...
===================================================
other variables in RAD file are fine with reasonable non-zero values.

And using RRTM Without CLM45 or CCM with/without CLM45 simulations work well.

Does anyone have any idea?

namelist.in file is attached here.


 
Best regards,
Chao TANG
-------------------------------------------------------------------------------------------------
Laboratoire d'Energétique, d'Electronique et Procédés 
Unité de Recherche EA 4079 
Université de La Réunion, LE2P
15 avenue René Cassin CS 92003
97744 ST DENIS CEDEX 9
Mobile: 0693 91 57 38 <mailto:secretariat.le2p at univ-reunion.fr>
Courriel: chao.tang at univ-reunion.fr  <mailto:secretariat.le2p at univ-reunion.fr>
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