|
Last updated: 14 July
2004
General
Contents
Domain and resolution
In the table below the grid as agreed on the kick-off
meeting is specified. However, the western zone contains no land data except Iceland, and
a reduced grid is also proposed.
|
Feature
|
Value
|
"Reduced area"
|
|
Resolution
|
0.2° × 0.2° regular lat/lon grid
|
0.2° × 0.2° regular lat/lon grid
|
|
Western border
|
15° W
|
14.2° W
|
|
Eastern border
|
38° E
|
38° E
|
|
Southern border
|
35° N
|
35° N
|
|
Northern border
|
72° N
|
72° N
|
|
Number of grid points
|
nx × ny = 266 × 186 = 49 476
|
nx × ny = 262 × 186 = 48 732
|
As is described in the grid discussion,
production of soil moisture will be carried out on a rotated lat/lon grid by
at least DWD. The parameters of that grid are defined in the table below.
|
Feature
|
Value
|
|
nlon
|
186
|
|
nlat
|
186
|
|
nhor
|
34596
|
|
west
|
-19.9
|
|
south
|
-18.5
|
|
east
|
17.1
|
|
north
|
18.5
|
|
dlon
|
0.2
|
|
dlat
|
0.2
|
|
polon
|
13.5
|
|
polat
|
-36.5
|
Physiographic data
Climate files have been
generated for a suite of grids and from a suite of originating land use data
bases. The table below gives an overview and provides links to the climate
files (in HIRLAM grib format: normal grib + one header record, to be
ignored).
Examples of land surface maps can be found in the table below. The grib field
keys are also listed below.
|
Parameter
|
GRIB parameter keys
|
map (PELCOM)
|
map (ECOCLIMAP)
|
|
Land-sea mask
|
par = 81
srf = 105
lev = 0
|
|
|
|
Surface geopotential
|
par = 6
srf = 105
lev = 0
|
|
identical
|
|
Fraction high and low vegetation from PELCOM land cover
data set
|
par=188
srf = 105
lev = 1 (high veg)
lev = 2 (low veg)
|
|
|
|
High and low vegetation type from PELCOM land cover data
set
|
par = 212
srf = 105
lev = 1 (high veg)
lev = 2 (low veg)
|
|
|
|
FAO soil type
|
par = 195
srf = 105
lev = 0
|
|
data file available in netCDF format
|
|
Background albedo (seasonal variation only due to ice on
lakes and sea)
|
par = 84
srf = 105
lev = 0
|
|
|
|
Thermal roughness length (logarithm)
|
par = 82
srf = 105
lev = 0
|
|
|
|
Momentum roughness length
|
par = 83
srf = 105
lev = 0
|
|
|
|
Leaf area index
|
par = 200
srf = 105
lev = 0
|
n/a
|
|
|
Total vegetation cover
|
par = 188
srf = 105
lev = 0
|
n/a
|
|
|
Topographic variance
|
par = 189
srf = 105
lev = 0
|
|
identical
|
|
Topographic anisotropy
|
par = 189
srf = 105
lev = 1
|
|
identical
|
|
Slope orientation
|
par = 189
srf = 105
lev = 2
|
|
identical
|
|
Orographic slope
|
par = 189
srf = 105
lev = 3
|
|
identical
|
|
Rooting depth
|
par = 227
srf = 105
lev = 0
|
|
only in cl000100_ecoclimap_rot
|
|
Fraction of clay
|
par = 195
srf = 105
lev = 1
|
|
only in cl00010000_ecoclimap
|
|
Fraction of sand
|
par = 195
srf = 105
lev = 2
|
|
only in cl00010000_ecoclimap
|
Leaf area index and
vegetation cover from ECOCLIMAP
Land surface schemes have different use of vegetation
parameters such as derived from ECOCLIMAP. ISBA and TESSEL use spatial
distributed fields of LAI and vegetation cover, whereas TESSEL uses a look-up
table of (monthly varying) values per vegetation type. The fields of LAI and
total vegetation cover included in the climate files are directly taken from
the ECOCLIMAP database. Below a table is included for monthly values of LAI
and Cveg for TESSEL vegetation types. These were defined by averaging the
ECOCLIMAP values for all grid boxes where the vegetation types were present.
However, since some vegetation types (e.g. evergreen needleleaf forest) are
present in a wide range of Europe and the
leaf area index varies waidely accross the territory, the spatial
distribution of LAI derived for TESSEL may differ significantly from the
spatially distributed ECOCLIMAP data.
Leaf area index
|
Vegetation type
|
jan
|
feb
|
mar
|
apr
|
may
|
jun
|
jul
|
aug
|
sep
|
oct
|
nov
|
dec
|
|
1. Crops
|
0.743
|
1.143
|
1.606
|
2.112
|
3.120
|
3.357
|
3.152
|
2.866
|
2.614
|
2.011
|
1.321
|
0.784
|
|
2. Grassland
|
1.031
|
1.285
|
1.585
|
1.918
|
2.600
|
2.800
|
2.780
|
2.642
|
2.466
|
2.048
|
1.482
|
1.088
|
|
3. Evergreen needleleaf
|
1.467
|
1.746
|
1.966
|
2.188
|
3.268
|
3.899
|
4.089
|
3.801
|
3.431
|
2.720
|
1.912
|
1.509
|
|
4. Deciduous needleleaf (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
5. Deciduous broadleaf
|
1.073
|
1.448
|
1.845
|
2.228
|
3.249
|
3.375
|
3.301
|
3.135
|
2.973
|
2.487
|
1.686
|
1.167
|
|
6. Evergreen broadleaf (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
7. Tall grass
|
1.021
|
1.045
|
1.113
|
1.118
|
1.144
|
0.791
|
0.580
|
0.558
|
0.630
|
0.660
|
0.899
|
0.988
|
|
8. Desert
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
9. Tundra
|
0.610
|
0.725
|
0.824
|
1.057
|
2.042
|
2.908
|
3.258
|
3.069
|
2.336
|
1.530
|
0.921
|
0.647
|
|
10. Irrigated crops
|
0.889
|
1.482
|
1.935
|
2.144
|
2.405
|
2.423
|
2.581
|
2.478
|
2.240
|
1.584
|
1.006
|
0.903
|
|
11. Semidesert
|
0.402
|
0.405
|
0.420
|
0.435
|
0.430
|
0.378
|
0.338
|
0.333
|
0.341
|
0.345
|
0.383
|
0.393
|
|
12. Ice caps/glaciers
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
13. Bogs and marshes
|
0.781
|
0.972
|
1.247
|
1.529
|
2.470
|
2.951
|
2.994
|
2.797
|
2.478
|
1.819
|
1.165
|
0.800
|
|
14. Inland water
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
15.
Ocean
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
16. Evergreen shrubs
|
0.986
|
1.183
|
1.431
|
1.958
|
2.985
|
3.460
|
3.595
|
3.473
|
3.275
|
2.600
|
1.589
|
1.083
|
|
17. Deciduous shrubs
|
1.176
|
1.492
|
1.798
|
2.092
|
2.887
|
3.092
|
3.102
|
2.891
|
2.658
|
2.148
|
1.520
|
1.226
|
|
18. Mixed forest/woordland
|
1.023
|
1.300
|
1.602
|
1.954
|
3.003
|
3.531
|
3.584
|
3.419
|
3.022
|
2.316
|
1.603
|
1.052
|
|
19. Interrupted forest (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
20. Water/land mixtures (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
Vegetation cover
|
Vegetation type
|
jan
|
feb
|
mar
|
apr
|
may
|
jun
|
jul
|
aug
|
sep
|
oct
|
nov
|
dec
|
|
1. Crops
|
0.466
|
0.581
|
0.688
|
0.773
|
0.861
|
0.867
|
0.847
|
0.823
|
0.803
|
0.721
|
0.610
|
0.475
|
|
2. Grassland
|
0.761
|
0.786
|
0.813
|
0.835
|
0.858
|
0.853
|
0.846
|
0.838
|
0.833
|
0.816
|
0.789
|
0.760
|
|
3. Evergreen needleleaf
|
0.846
|
0.866
|
0.884
|
0.900
|
0.919
|
0.923
|
0.919
|
0.915
|
0.911
|
0.893
|
0.873
|
0.846
|
|
4. Deciduous needleleaf (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
5. Deciduous broadleaf
|
0.750
|
0.803
|
0.841
|
0.869
|
0.896
|
0.892
|
0.885
|
0.876
|
0.871
|
0.853
|
0.808
|
0.760
|
|
6. Evergreen broadleaf (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
7. Tall grass
|
0.745
|
0.751
|
0.759
|
0.763
|
0.760
|
0.741
|
0.713
|
0.708
|
0.699
|
0.699
|
0.724
|
0.732
|
|
8. Desert
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
9. Tundra
|
0.853
|
0.860
|
0.874
|
0.884
|
0.901
|
0.907
|
0.905
|
0.902
|
0.898
|
0.875
|
0.860
|
0.846
|
|
10. Irrigated crops
|
0.461
|
0.621
|
0.706
|
0.735
|
0.757
|
0.755
|
0.764
|
0.751
|
0.727
|
0.626
|
0.484
|
0.466
|
|
11. Semidesert
|
0.417
|
0.417
|
0.418
|
0.419
|
0.420
|
0.417
|
0.414
|
0.413
|
0.412
|
0.412
|
0.415
|
0.415
|
|
12. Ice caps/glaciers
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
13. Bogs and marshes
|
0.808
|
0.822
|
0.845
|
0.866
|
0.896
|
0.895
|
0.880
|
0.866
|
0.862
|
0.841
|
0.822
|
0.805
|
|
14. Inland water
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
15.
Ocean
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
16. Evergreen shrubs
|
0.638
|
0.659
|
0.704
|
0.793
|
0.852
|
0.870
|
0.878
|
0.872
|
0.865
|
0.825
|
0.729
|
0.673
|
|
17. Deciduous shrubs
|
0.750
|
0.791
|
0.825
|
0.846
|
0.867
|
0.860
|
0.850
|
0.843
|
0.837
|
0.822
|
0.788
|
0.755
|
|
18. Mixed forest/woordland
|
0.800
|
0.830
|
0.859
|
0.884
|
0.915
|
0.920
|
0.915
|
0.909
|
0.903
|
0.872
|
0.837
|
0.800
|
|
19. Interrupted forest (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
20. Water/land mixtures (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
Snow-free land albedo
|
Vegetation type
|
jan
|
feb
|
mar
|
apr
|
may
|
jun
|
jul
|
aug
|
sep
|
oct
|
nov
|
dec
|
|
1. Crops
|
0.144
|
0.150
|
0.156
|
0.161
|
0.165
|
0.165
|
0.164
|
0.163
|
0.162
|
0.158
|
0.152
|
0.145
|
|
2. Grassland
|
0.168
|
0.169
|
0.170
|
0.171
|
0.172
|
0.172
|
0.171
|
0.171
|
0.171
|
0.170
|
0.169
|
0.168
|
|
3. Evergreen needleleaf
|
0.127
|
0.128
|
0.128
|
0.128
|
0.128
|
0.128
|
0.128
|
0.128
|
0.128
|
0.128
|
0.128
|
0.128
|
|
4. Deciduous needleleaf (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
5. Deciduous broadleaf
|
0.151
|
0.153
|
0.155
|
0.156
|
0.157
|
0.157
|
0.157
|
0.156
|
0.156
|
0.155
|
0.154
|
0.152
|
|
6. Evergreen broadleaf (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
7. Tall grass
|
0.189
|
0.189
|
0.189
|
0.189
|
0.189
|
0.188
|
0.187
|
0.187
|
0.187
|
0.187
|
0.188
|
0.188
|
|
8. Desert
|
0.196
|
0.197
|
0.197
|
0.198
|
0.199
|
0.199
|
0.199
|
0.198
|
0.198
|
0.198
|
0.197
|
0.196
|
|
9. Tundra
|
0.154
|
0.154
|
0.155
|
0.155
|
0.156
|
0.156
|
0.156
|
0.156
|
0.155
|
0.155
|
0.154
|
0.154
|
|
10. Irrigated crops
|
0.155
|
0.164
|
0.169
|
0.170
|
0.172
|
0.172
|
0.172
|
0.172
|
0.170
|
0.164
|
0.156
|
0.155
|
|
11. Semidesert
|
0.237
|
0.237
|
0.237
|
0.237
|
0.237
|
0.237
|
0.237
|
0.237
|
0.237
|
0.237
|
0.237
|
0.237
|
|
12. Ice caps/glaciers
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
13. Bogs and marshes
|
0.162
|
0.162
|
0.163
|
0.164
|
0.166
|
0.166
|
0.165
|
0.164
|
0.164
|
0.163
|
0.162
|
0.162
|
|
14. Inland water
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
15.
Ocean
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
|
16. Evergreen shrubs
|
0.133
|
0.133
|
0.132
|
0.131
|
0.130
|
0.130
|
0.130
|
0.130
|
0.130
|
0.131
|
0.132
|
0.132
|
|
17. Deciduous shrubs
|
0.151
|
0.152
|
0.154
|
0.155
|
0.155
|
0.155
|
0.155
|
0.154
|
0.154
|
0.154
|
0.152
|
0.151
|
|
18. Mixed forest/woordland
|
0.139
|
0.139
|
0.140
|
0.141
|
0.141
|
0.141
|
0.141
|
0.141
|
0.141
|
0.140
|
0.140
|
0.139
|
|
19. Interrupted forest (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
20. Water/land mixtures (not present)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
