[RegCNET] QUERY RCP SCENARIO

[Abhishek Lodh]

Respected Sir,

I am running REGCM 4.3.5 -BATS coupled model for CORDEX south asia domain . Previously i was running the model for IPCC A1B scenario using EH5AM model boundary conditions . But current guidelines asks us to use RCP scenarios. 

The important  components of my  test_015.in are as  follows :

&globdatparam
 ibdyfrq = 6,
 ssttyp = 'EHA1B',
 dattyp = 'EHA1B',
 gdate1 = 2015123118,
 gdate2 = 2016123118,
 dirglob = './INPUT',
 inpglob = './regcm_data',

and

&physicsparam
 iboudy  =          5,
 ibltyp  =          1,
 icup    =          2,
   igcc    =         2,
 ipptls  =          1,
 iocnflx =          2,
 ipgf    =          0,
 iemiss  =          1,
 lakemod =          0,
 ichem   =          0,
 scenario = 'A1B',
 idcsst = 0,
 iseaice = 0,
 idesseas = 1,
 iconvlwp = 1,

I want to confirm that for RCP scenario run for dynamical downscaling using RegCM4.3.5... can i use the same boundary conditions using EH5OM data OR there is any other data which i have to use to for the RegCM4.3.5 model to run under RCP scenario.

i.e. In &physicsparam can i use scenario  as  "RCP4.5" or "RCP6" instead of "A1B" and in  ssttyp = 'EHA1B', dattyp = 'EHA1B'is given .  The Regcm 4.3.5 user manual provides us the options to use RCP scenarios in physicsparam.

Appreciate if you provide necessary technical details.

Best Wishes
 
Abhishek Lodh 
Research Scholar
Centre for Atmospheric Sciences
Indian Institute of Technology,Delhi
Hauz Khas,New Delhi - 110016
Contact No. - 9891656976
Email: abhishek_lodh at yahoo.co.in 
abhishek.lodh at gmail.com
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