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X-WR-CALNAME;VALUE=TEXT:ClimaTea Lecture: "Radiative-Convective Equilibrium: 1) diurnal cycle in the land-ocean system and 2) how wrong are the Grey-Zone simulations?"
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SUMMARY:ClimaTea Lecture: "Radiative-Convective Equilibrium: 1) diurnal cycle in the land-ocean system and 2) how wrong are the Grey-Zone simulations?"
DESCRIPTION:<p>Speaker: <a href="http://rossby.msrc.sunysb.edu/~marat/index.html" data-url="http://rossby.msrc.sunysb.edu/~marat/index.html">Marat Khairoutdinov (Stony Brook University)</a></p><p>Abstract:</p><p><span>The talk will consist of two parts. In the first part, the RCE simulations of idealized 2D islands of various sizes will be explored using SAM cloud resolving model. In addition to sensitivity to the island width, which ranged from 300 km to 900 km, sensitivity of the diurnal cycle of precipitation for different vegetation characteristics, such as grassland, baresoil, and forrest) will be also discussed. In the second part, the cloud-resolving RCE for two different SSTs of 301K and 305K for the range of horizontal grid spacing from 0.5 to 16 km, that is going through the so called Grey Zone when no convective parameterization is used, will be contrasted. The emphasis will be on the convergence resolution and implied equilibrium climate sensitivity of the Grey Zone compared to 'resolved' deep convection benchmark. Further, the utility of the Near-Global Aquaplanet RCE simulations using the Grey-Zone 20 km grid spacing as compared to the 4-km benchmark will be demonstrated.</span></p><p><span>**Please see attached for some background reading.</span></p>
LOCATION:HUCE Seminar Room
STATUS:CONFIRMED
DTSTART:20150427T160000Z
DTEND:20150427T170000Z
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