The Met Office Unified Model Global Atmosphere 7.0/7.1 and JULES Global Land 7.0 configurations
- Walters, D
- Baran, AJ
- Boutle, I
- Brooks, M
- Earnshaw, P
- Edwards, J
- Furtado, K
- Hill, P
- Lock, A
- Manners, J
- Morcrette, C
- Mulcahy, J
- Sanchez, C
- Smith, C
- Stratton, R
- Tennant, W
- Tomassini, L
- Van Weverberg, K
- Vosper, S
- Willett, M
- Browse, J
- Bushell, A
- Carslaw, K
- Dalvi, M
- Essery, R
- Gedney, N
- Hardiman, S
- Johnson, B
- Johnson, C
- Jones, A
- Jones, C
- Mann, G
- Milton, S
- Rumbold, H
- Sellar, A
- Ujiie, M
- Whitall, M
- Williams, K
- Zerroukat, M
DOIAbstract
This is the final version. Available from the European Geosciences Union via the DOI in this record. We describe Global Atmosphere 7.0 and Global Land 7.0 (GA7.0/GL7.0), the latest science configurations of the Met Office Unified Model (UM) and the Joint UK Land Environment Simulator (JULES) land surface model developed for use across weather and climate timescales. GA7.0 and GL7.0 include incremental developments and targeted improvements that, between them, address four critical errors identified in previous configurations: excessive precipitation biases over India, warm and moist biases in the tropical tropopause layer (TTL), a source of energy non-conservation in the advection scheme and excessive surface radiation biases over the South...
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