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water tracer in iCESM1.2 and 1.3

Dear all,

I was trying to run a case with icesm1.3 however, it seems that there are some errors associated with water tracers. I successfully run a case with iCESM1.2. but when I update to icesm1.3, the following error occur:

cnst_add: FATAL: advected tracer index greater than pcnst= 41. I checked user_nl_cam, there are indeed 42 tracers as it is show in github iCESM1.2/instructions/water_tags/example_water_tracers/user_nl_cam at master · NCAR/iCESM1.2.

So, my question is, is the number of water tracer different in icesm1.2 and 1.3? How do I get the water tracer name list in icesm1.3?

Thanks very much

Xiao
 
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