Interpolation of significant wave height is affected by the changes to

HRES WAM 0.125 degree reduced lat-lon grid

Significant wave height has been interpolated from the 0.125 degree reduced lat-lon grid target grid to regular lat-lon grids at different resolutions using EMOSLIB and MIR. 


TargetStatistics of differencesHistogram of differencesGlobalEurope
0.125x0.125

Maximum difference = 1.139648
Minimum difference = -1.192383
Mean absolute difference = 0.000186
Median absolute difference = 0.000000
Standard deviation = 0.005439
RMS of differences = 0.005439

Percentage of points with absolute difference

        < 0.05 = 99.895%
        < 0.10 = 99.953%
        < 0.50 = 99.999%

-1.200000 : -1.100000 -          1 (  0.000024%)
-1.100000 : -1.000000 -          1 (  0.000024%)
-1.000000 : -0.900000 -          4 (  0.000096%)
-0.900000 : -0.800000 -          3 (  0.000072%)
-0.800000 : -0.700000 -          3 (  0.000072%)
-0.700000 : -0.600000 -          7 (  0.000169%)
-0.600000 : -0.500000 -         10 (  0.000241%)
-0.500000 : -0.400000 -         26 (  0.000626%)
-0.400000 : -0.300000 -         70 (  0.001687%)
-0.300000 : -0.200000 -        182 (  0.004385%)
-0.200000 : -0.100000 -        763 (  0.018385%)
-0.100000 : 0.000000 -      42440 (  1.022631%)
  0.000000 : 0.100000 -    4105684 ( 98.930237%)
  0.100000 : 0.200000 -        593 (  0.014289%)
  0.200000 : 0.300000 -        167 (  0.004024%)
  0.300000 : 0.400000 -         58 (  0.001398%)
  0.400000 : 0.500000 -         36 (  0.000867%)
  0.500000 : 0.600000 -         14 (  0.000337%)
  0.600000 : 0.700000 -          4 (  0.000096%)
  0.700000 : 0.800000 -          9 (  0.000217%)
  0.800000 : 0.900000 -          2 (  0.000048%)
  0.900000 : 1.000000 -          1 (  0.000024%)
  1.000000 : 1.100000 -          1 (  0.000024%)
  1.100000 : 1.200000 -          1 (  0.000024%)

0.25x0.25

Maximum difference = 1.139648
Minimum difference = -0.675537
Mean absolute difference = 0.000182
Median absolute difference = 0.000000
Standard deviation = 0.005373
RMS of differences = 0.005373

Percentage of points with absolute difference

        < 0.05 = 99.897%
        < 0.10 = 99.953%
        < 0.50 = 99.999%

-1.200000 : -1.100000 -          0 (  0.000000%)
-1.100000 : -1.000000 -          0 (  0.000000%)
-1.000000 : -0.900000 -          0 (  0.000000%)
-0.900000 : -0.800000 -          0 (  0.000000%)
-0.800000 : -0.700000 -          0 (  0.000000%)
-0.700000 : -0.600000 -          4 (  0.000385%)
-0.600000 : -0.500000 -          1 (  0.000096%)
-0.500000 : -0.400000 -          8 (  0.000771%)
-0.400000 : -0.300000 -         17 (  0.001637%)
-0.300000 : -0.200000 -         50 (  0.004816%)
-0.200000 : -0.100000 -        180 (  0.017337%)
-0.100000 : 0.000000 -      10962 (  1.055825%)
  0.000000 : 0.100000 -    1026794 ( 98.897557%)
  0.100000 : 0.200000 -        142 (  0.013677%)
  0.200000 : 0.300000 -         44 (  0.004238%)
  0.300000 : 0.400000 -         20 (  0.001926%)
  0.400000 : 0.500000 -          9 (  0.000867%)
  0.500000 : 0.600000 -          4 (  0.000385%)
  0.600000 : 0.700000 -          1 (  0.000096%)
  0.700000 : 0.800000 -          3 (  0.000289%)
  0.800000 : 0.900000 -          0 (  0.000000%)
  0.900000 : 1.000000 -          0 (  0.000000%)
  1.000000 : 1.100000 -          0 (  0.000000%)
  1.100000 : 1.200000 -          1 (  0.000096%)

0.5x0.5

Maximum difference = 0.535156
Minimum difference = -0.661621
Mean absolute difference = 0.000189
Median absolute difference = 0.000000
Standard deviation = 0.005269
RMS of differences = 0.005269

Percentage of points with absolute difference

        < 0.05 = 99.889%
        < 0.10 = 99.952%
        < 0.50 = 99.999%

-0.700000 : -0.600000 -          1 (  0.000385%)
-0.600000 : -0.500000 -          0 (  0.000000%)
-0.500000 : -0.400000 -          1 (  0.000385%)
-0.400000 : -0.300000 -          6 (  0.002308%)
-0.300000 : -0.200000 -         17 (  0.006540%)
-0.200000 : -0.100000 -         40 (  0.015389%)
-0.100000 : 0.000000 -       2821 (  1.085334%)
  0.000000 : 0.100000 -     256974 ( 98.866574%)
  0.100000 : 0.200000 -         42 (  0.016159%)
  0.200000 : 0.300000 -          9 (  0.003463%)
  0.300000 : 0.400000 -          5 (  0.001924%)
  0.400000 : 0.500000 -          2 (  0.000769%)
  0.500000 : 0.600000 -          2 (  0.000769%)
  0.600000 : 0.700000 -          0 (  0.000000%)

1.0x1.0

Maximum difference = 0.424805
Minimum difference = -0.413086
Mean absolute difference = 0.000183
Median absolute difference = 0.000000
Standard deviation = 0.005198
RMS of differences = 0.005198

Percentage of points with absolute difference

        < 0.05 = 99.902%
        < 0.10 = 99.954%
        < 0.50 = 100.000%

-0.500000 : -0.400000 -          1 (  0.001535%)
-0.400000 : -0.300000 -          0 (  0.000000%)
-0.300000 : -0.200000 -          3 (  0.004604%)
-0.200000 : -0.100000 -          7 (  0.010743%)
-0.100000 : 0.000000 -        704 (  1.080417%)
  0.000000 : 0.100000 -      64426 ( 98.873542%)
  0.100000 : 0.200000 -         11 (  0.016882%)
  0.200000 : 0.300000 -          5 (  0.007673%)
  0.300000 : 0.400000 -          2 (  0.003069%)
  0.400000 : 0.500000 -          1 (  0.001535%)