Effects of cloud types on cloud-radiation interaction over the Asian monsoon region |
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Authors: | Bipasha Paul Shukla V Sathiyamoorthy P K Pal P C Joshi |
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Institution: | 1. Atmospheric Sciences Division, Meteorology and Oceanography Group, Remote Sensing Applications Area, Space Applications Centre (ISRO), Ahmedabad, 380015, India
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Abstract: | This paper quantifies the sensitivity of radiation budget quantities to different cloud types over the Asian monsoon region using the International Satellite Cloud Climatology Project. Multiple regression was used to estimate the radiative effects of individual cloud type. It was observed that the regression performed better when the solution was constrained with clear sky fluxes, which is evident by an improvement in R 2 statistics. The sensitivity coefficients calculated for the Asian monsoon region reveal that, while the LWCRCF and SWCRF will be most vulnerable to changes in cloud cover of deep convective clouds, NETCRF will be susceptible to changes in the nimbostratus clouds. Although the cloud radiative forcing of individual cloud types are found to be similar in sign to previous global findings, their magnitudes are found to vary. It is seen that cirrus clouds play an important role in governing the radiative behavior of this region. |
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