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aerocom:indirect [2013-10-17 07:59:15] michaels |
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+ | ATTENTION - THIS WIKI PAGE IS NO LONGER UPDATED - PLEASE GO TO [[http:// | ||
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===== Indirect Effect Experiment Remarks ===== | ===== Indirect Effect Experiment Remarks ===== | ||
==== Indirect forcing experiment ===== | ==== Indirect forcing experiment ===== | ||
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+ | Repository: aerocom-users:/ | ||
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To address issue 1), we’ve added daily and monthly diagnostics that can be compared with CloudSat and MODIS retrievals of the relationship between the aerosol optical depth and the probability of precipitation (Wang et al., 2012). | To address issue 1), we’ve added daily and monthly diagnostics that can be compared with CloudSat and MODIS retrievals of the relationship between the aerosol optical depth and the probability of precipitation (Wang et al., 2012). | ||
- | To address issue 2), we’ve added experiments in which heterogeneous nucleation is neglected for T<-37C, and in which ice nucleation for T<-37C is a prescribed function of temperature (Cooper, 1986). | + | To address issue 2), we’ve added experiments in which heterogeneous nucleation is neglected for T%%<%%-37C, and in which ice nucleation for T%%<%%-37C is a prescribed function of temperature (Cooper, 1986). |
We also have added a requirement to nudge toward analyzed winds, which we’ve found greatly reduces the noise due to natural variability without significantly inhibiting the cloud response to the aerosol. (Kooperman et al., 2012). Simulations of six years duration each should be sufficient for all experiments. | We also have added a requirement to nudge toward analyzed winds, which we’ve found greatly reduces the noise due to natural variability without significantly inhibiting the cloud response to the aerosol. (Kooperman et al., 2012). Simulations of six years duration each should be sufficient for all experiments. | ||
- | To facilitate analysis and comparison before the 2013 AeroCom meeting, the results should be submitted to the AeroCom repository by August | + | To facilitate analysis and comparison before the 2013 AeroCom meeting, the results should be submitted to the AeroCom repository by December |
Cooper, W. A.: Ice initiation in natural clouds. precipitation enhancement – a scientific challenge, Meteor. Mon., 43, 29–32, 1986. | Cooper, W. A.: Ice initiation in natural clouds. precipitation enhancement – a scientific challenge, Meteor. Mon., 43, 29–32, 1986. | ||
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Kooperman, G. J., M. S. Pritchard, S. J. Ghan, R. C. J. Sommerville, | Kooperman, G. J., M. S. Pritchard, S. J. Ghan, R. C. J. Sommerville, | ||
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Wang, M., S. Ghan, X. Liu, T. L’Ecuyer, K. Zhang, H. Morrison, M. Ovchinnikov, | Wang, M., S. Ghan, X. Liu, T. L’Ecuyer, K. Zhang, H. Morrison, M. Ovchinnikov, | ||
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(1) 2D diagnostics for evaluation with satellite data | (1) 2D diagnostics for evaluation with satellite data | ||
- | 5 years (years 2006-2010) of 3-hourly data from the PD run | + | 5 years (years 2006-2010) of 3-hourly |
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^ name ^ long_name (CF if possible) ^ units ^ description ^ | ^ name ^ long_name (CF if possible) ^ units ^ description ^ | ||
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| clt | cloud_area_fraction | 1 | Fractional cover by all clouds | | | clt | cloud_area_fraction | 1 | Fractional cover by all clouds | | ||
| lcc | liquid_cloud_area_fraction | | lcc | liquid_cloud_area_fraction | ||
- | | lwp | atmosphere_cloud_ice_content | + | | lwp | atmosphere_cloud_liquid_path |
- | | iwp | atmosphere_cloud_ice_content | + | | iwp | atmosphere_cloud_ice_path |
| icr | cloud-top_ice_crystal_effective_radius | m | grid cell mean effective radius of crystals at top of ice clouds | | | icr | cloud-top_ice_crystal_effective_radius | m | grid cell mean effective radius of crystals at top of ice clouds | | ||
| icc | ice_cloud_area_fraction | 1 | Fractional cover by ice clouds | | | icc | ice_cloud_area_fraction | 1 | Fractional cover by ice clouds | |