Variables exchanged in ECEarth David Wrlind 1 Paul
Variables exchanged in EC-Earth David Wårlind 1, Paul Miller 1, 2, Lars Nieradzik 2 | 1 Nat. Eko , 2 CEC, Lund University IFS -> LPJ-GUESS -> IFS CMIP 6 Current layers) Soil Temperature(4 Future High veg. type eff. Cover Low veg, Snow density eff. Cover high veg Snow mass low veg type Dominant Grid-cell albedo Low veg. type LW Dominant radiation high veg type Low veg. cover future Grid-cell albedo High veg. cover SW radiation High veg. LAI Precipitation Low veg. LAI 2 m Temperature All values are exchanged on a daily basis
CMIP 6 albedo implementation in EC-Earth (Computation in IFS) David Wårlind 1, Paul Miller 1, 2, Lars Nieradzik 2 | 1 Nat. Eko , 2 CEC, Lund University With Ai: Area e. Ai: effective Area (eff. coverage) [frac. ] - Only dominant PFTs taken into account - Only one soil albedo applied grid c ell w ith h igh/l ow/b arren fract ion [Courtesy David Wårlind]
Future Albedo implementation in EC-Earth (computation in LPJ-GUESS) David Wårlind 1, Paul Miller 1, 2, Lars Nieradzik 2 | 1 Nat. Eko , 2 CEC, Lund University High vegetation Low vegetation Bare soil grid c ell w ith p - Whole vegetation in a grid-cell is accounted for - Soil-albedo depending on patch-wise soil properties - Implementation of winter-canopy albedo in presence of snow atche s of m ultip le PFTs [Courtesy David Wårlind]
Avg. 2000 -2003 – Avg. 1980 -1983 [P. Miller and B. Smith, 2012]
- Slides: 4