Hi Everybody,
I got some questions about GCM simulations in the southwestern US. I am not
sure if I could ask these here. Maybe somebody had some experiences about
this.
I am working on a project about climate change impact in the southwestern
US. My study area range *31°-34°**N* and 112° -108° ** *W*. For the GCM
models, the longitude are 248° -252°E.
I retrieved some GCM outputs of several GCM models (including HadCM3,
ECHAM5, CCCma (T_63), GFDL_CM2.1, NCAR_PCM, NCAR_CCSM3) for this area from
IPCC data center. I compared the simulations of 20C3M experiment to the
historical data, and found that the GCM models simulated more precipitation
in winter month than that in summer monsoon month. That's way too far from
the observations. First, I thought maybe I retrieved the data from the wrong
grid cell, and checked them out many times, it's still the same.
So I just wonder whether anybody have the same experiences and could share
some information with me.
Thanks
John
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