1. Gravity wave drag parameterization

2. Parameterizations Orographically-generated Gwaves versus non-orographic sources (impacts source spectrum and characteristics of Gwave spectrum).

3. Parameterizations Teams/pairs will review these papers: 1.Palmer, Shutts & Swinbank (one of the early “orographic” schemes). QJRMS, 1986, 112, 1001-1039. “Alleviation of a systematic westerly bias in general circulation and numerical weather prediction models through an orographic gravity wave drag parameterization.”

4. Parameterizations 2.A recent review article. Kim, Eckermann & Chun, Atmosphere- Ocean, 2003, 41, 65-98 “An overview of the past, present and future of gravity wave drag parameterization for numerical climate and weather prediction models.”

5. Parameterizations 3.A recent convective Gwave drag scheme. Song & Chun, JAS, 2007, 64, 2286-2308 “Momentum flux spectrum of convectively forced internal gravity waves and its application to gravity wave drag parameterization. Part II: Impacts in a GCM (WACCM).” ALSO part I = theory!

6. Parameterizations 4.A recent comparison article on convective Gwave drag schemes. McLandress & Scinocca, JAS, 2007, 64, 2286-2308 “The GCM response to current parameterizations of nonorographic gravity wave drag.”

7. Parameterizations Papers (1) and (2) on Monday, (3) and (4) on Tuesday. Teams: (1)=Sium & Scott (2)=Emerson & Kari (3)=Nick & Odalys (4)=John & Kari