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2.1 Atmosphere and land surface

Model

ARPEGE v6.4
(atmosphere)

SURFEX v8
(land surface)

Horizontal resolution and gridTL359; 0.5° reduced Gauss grid
Atmosphere vertical resolution137 layers
Top of atmospheretop layer 1 Pa
Soil levels14

Level 1   : 0 - 0.01 m
Level 2   : 0.01 - 0.04
Level 3   : 0.04 – 0.1 m
Level 4   : 0.1 – 0.2 m
Level 5   : 0.2 – 0.4 m
Level 6   : 0.4 – 0.6 m
Level 7   : 0.6 – 0.8 m
Level 8   : 0.8 – 1.0 m
Level 9   : 1.0 – 1.5 m
Level 10 : 1.5 – 2.0 m
Level 11 : 2.0 – 3.0 m
Level 12 : 3.0 – 5.0 m
Level 13 : 5.0 – 8.0 m
Level 14 : 8.0 – 12.0 m

Time step10 min

Detailed documentation:

ARPEGE: http://www.umr-cnrm.fr/IMG/pdf/arp62ca.july2017.pdf

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