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Fluxes at the Air-Sea Interface-- Plenary

Fluxes at the Air-Sea Interface-- Plenary. AGCMs (Bretherton) and NWPs (Jiang) exhibit moderate disagreement in surface flux components over the tropical E Pacific. NWP flux improvement when use COARE with NWP state var.

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Fluxes at the Air-Sea Interface-- Plenary

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  1. Fluxes at the Air-Sea Interface-- Plenary AGCMs (Bretherton) and NWPs (Jiang) exhibit moderate disagreement in surface flux components over the tropical E Pacific. NWP flux improvement when use COARE with NWP state var. Clouds and PBL temperature/humidity key contributors (All) . Bias in moisture is largest source of error in latent heat flux (Jiang). NCEP1 has weaker winds and fewer high wind events in ITCZ region than NCEP2 or TAO. TDs? (Jiang) “If you get the clouds right, chances are you get the feedbacks right” (John Mitchell), “Comparing observations and climate models is a statistical game” (Fairall) Stratus region in NWPs have too little solar and IR cloud forcing; cold tongue has too much, particularly during warm season. Cloud forcing biases are correct sign to account for SST biases. (Cronin)

  2. Flux Synthesis Data Sets “Comparing observations and climate models is a statistical game” (Fairall) From 95W TAO moorings: Latent and sensible heat fluxes, net solar and longwave radiation, net surface heat flux, solar and longwave cloud forcing -- hourly, daily, monthly, seasonal cycle (Cronin) From EPIC moorings: Statistics and regressions for solar versus longwave cloud forcing -- 6 regions (Warm Pool, ITCZ, frontal, Cold Tongue, Southern, Stratus), seasonal cycle, dry months, wet months. (Cronin) Hybrid NWP and satellite turbulent heat fluxes for tropical Pacific (Jiang)

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