aerocom:warm-rain-diagnostics

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aerocom:warm-rain-diagnostics [2017-10-24 16:10:45]
johannes.muelmenstaedt@uni-leipzig.de 		aerocom:warm-rain-diagnostics [2022-05-31 09:29:31] (current)
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-====== Warm rain diagnostics ======+====== Warm rain diagnostics (COSP and non-COSP) ======
  
 =====Objective===== =====Objective=====
  
-The warm rain fraction may provide a process-based observational constraint on parameterized precipitation in GCMs, specifically on the cloud lifetime effect (see Johannes's [[https://home.uni-leipzig.de/jmuelmen/files.html?name=aerocom-171009.pdf|Helsinki AeroCom meeting slides]]).+Warm rain statistics may provide a process-based observational constraint on parameterized precipitation in GCMs, specifically on the cloud lifetime effect.
  
-We have received base-state warm rain diagnostics from [[warm-rain-diagnostics#Models participating so far|a number of models]] , but it would be especially useful to see how the warm rain fraction responds to changes in the warm rain (autoconversion/accretion) parameterization.+We have received base-state warm rain diagnostics from [[aerocom:warm-rain-diagnostics#Models participating so far|a number of models]], but it would be especially useful to see how the warm diagnostics respond to changes in the warm rain (autoconversion/accretion) parameterization.  We would therefore like to piggyback on existing AeroCom experiments (e.g., the 
 +multi-model PPE) with as little extra work as possible required for the modeling groups.
  
 =====Required model diagnostics===== =====Required model diagnostics=====
  
-We would like to piggyback on existing AeroCom experiments (e.g., the +If you are interested in participating and are **COSP-enabled**, please see [[aerocom:warm-rain-diagnostics#COSP diagnostics|COSP diagnostics]].  If you **cannot run COSP**, we would still be delighted to receive [[aerocom:warm-rain-diagnostics#Non-COSP diagnostics|simpler, non-COSP, diagnostics]]. 
-multi-model PPE) with as little extra work as possible required.+ 
 +====COSP diagnostics==== 
 + 
 +Consult the [[aerocom:warm-rain-cosp-table|COSP warm rain diagnostics table]]. 
 + 
 +====Non-COSP diagnostics====
  
 To participate, please save one of the following sets of diagnostics: To participate, please save one of the following sets of diagnostics:
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   - 2D snow and rain water paths   - 2D snow and rain water paths
  
-The required time frequency is 3-hourly non-accumulated.  If this is not feasible for the requested 3D fields, it is possible to implement the warm-rain fraction as an online diagnostic (with monthly-mean 2D output) in the model; please contact me for details.+The required time frequency is 6-hourly non-accumulated.  If this is not feasible for the requested 3D fields, it is possible to implement the warm-rain fraction as an online diagnostic (with monthly-mean 2D output) in the model; please [[aerocom:warm-rain-diagnostics#Contact|contact Johannes]] for details.
  
 =====Models participating so far===== =====Models participating so far=====
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 IFS (Contact: Amund Søvde, Gunnar Myhre) IFS (Contact: Amund Søvde, Gunnar Myhre)
 +
 +HadGEM-UKCA (Contact: Tom Langton, Philip Stier)
  
 ECHAM-HAM (Contact: Johannes Mülmenstädt) ECHAM-HAM (Contact: Johannes Mülmenstädt)
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 =====Contact===== =====Contact=====
  
-Johannes Mülmenstädt: <johannes.muelmenstaedt@uni-leipzig.de> +Kenta Suzuki: <ksuzuki@aori.u-tokyo.ac.jp>
- +
  
 +Xianwen Jing: <jing_xw@aori.u-tokyo.ac.jp>
  
 +Johannes Mülmenstädt: <johannes.muelmenstaedt@uni-leipzig.de>
  
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