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Chemistry, microphysics, transport. Rapporteurs: Emily Shuckburgh & Martin Dameris. Stratosphere-Troposphere Exchange. yr21-01-10 00Z. Ryo Mizuta : Earth Simulator, 20 km resolution High res: with less transport in each direction above 400hPa; more below 500hPa; net unchanged. yr21-01-11 00Z.
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Chemistry, microphysics, transport Rapporteurs: Emily Shuckburgh & Martin Dameris
Stratosphere-Troposphere Exchange yr21-01-10 00Z Ryo Mizuta: Earth Simulator, 20 km resolution High res: with less transport in each direction above 400hPa; more below 500hPa; net unchanged yr21-01-11 00Z PV snapshots in the simulation (315K, PVU, 1-day interval) yr21-01-12 00Z
opECMWF vertical winds Trajectory Studies (TTL) • Case study • NH winter 2001/02 Lagrangian cold point (LCP) Temp Temp opECMWF heating rates [K] Kirstin Krueger
Mean Q400K-LCP: shorter residence time opECMWF + heating rates 0.56 K/day opECMWF + vertical winds0.81 K/day • Case study • NH winter 2001/02 Q400K-LCP: Vertical velocity in the TTLupper + hrates / hrates + hrates / hrates Q= 0.5 K/day
Convection (TTL) Impact of convection up to tropopause required, but not above. Stefan Fueglistaler