Mean State

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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 8.21
CESM2 [-] 9.19 8.57 8.25 0.460 0.00822 0.350 0.548 0.851 0.699
MIROC-ESM2L [-] 8.17 6.93 8.28 0.400 0.00256 -0.991 0.553 0.833 0.693
NorESM2-LM [-] 4.57 4.04 8.25 0.171 -3.12 0.513 0.673 0.593
UKESM1-0-LL [-] 11.1 10.1 8.23 0.611 0.0105 1.67 0.523 0.803 0.663
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 88.2
CESM2 [-] 92.2 86.0 88.0 6.10 0.278 0.149 0.549 0.825 0.687
MIROC-ESM2L [-] 129. 115. 88.2 11.8 0.0366 2.62 0.518 0.329 0.424
NorESM2-LM [-] 44.4 40.5 88.2 3.48 -3.42 0.494 0.783 0.638
UKESM1-0-LL [-] 109. 101. 87.9 8.03 0.320 1.56 0.453 0.665 0.559
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 9.24
CESM2 [-] 6.29 6.12 9.41 0.151 0.0119 -1.05 0.609 0.627 0.618
MIROC-ESM2L [-] 11.0 10.2 9.20 0.306 0.00466 0.462 0.489 0.794 0.642
NorESM2-LM [-] 1.27 1.14 9.24 0.0273 -2.72 0.378 0.316 0.347
UKESM1-0-LL [-] 3.81 3.77 9.33 0.105 0.0101 -1.79 0.418 0.625 0.521
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 5.37
CESM2 [-] 3.21 3.02 5.29 0.0624 0.000390 -2.65 0.453 0.636 0.544
MIROC-ESM2L [-] 3.64 3.56 5.27 0.0622 -1.92 0.363 0.421 0.392
NorESM2-LM [-] 1.55 1.38 5.29 0.0413 -4.58 0.419 0.489 0.454
UKESM1-0-LL [-] 1.58 1.71 5.25 0.0228 -4.20 0.447 0.596 0.521
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 0.352
CESM2 [-] 0.623 0.518 0.350 0.0757 0.00601 5.20 0.392 0.876 0.634
MIROC-ESM2L [-] 0.385 0.360 0.360 0.0721 1.39 0.531 0.890 0.710
NorESM2-LM [-] 0.489 0.287 0.363 0.0478 -0.0415 0.495 0.798 0.646
UKESM1-0-LL [-] 0.699 0.636 0.333 0.0883 0.00567 9.92 0.300 0.880 0.590
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 13.3
CESM2 [-] 15.7 14.3 13.3 1.18 0.0342 1.36 0.619 0.741 0.680
MIROC-ESM2L [-] 28.2 25.3 13.3 2.03 0.00269 9.52 0.543 0.0435 0.293
NorESM2-LM [-] 10.2 9.70 13.4 0.761 -1.89 0.617 0.756 0.686
UKESM1-0-LL [-] 15.9 15.5 13.3 1.17 0.0745 2.40 0.583 0.829 0.706
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 3.65
CESM2 [-] 6.12 5.58 3.68 0.407 0.0225 5.60 0.540 0.360 0.450
MIROC-ESM2L [-] 5.83 4.96 3.65 0.787 5.24 0.577 0.498 0.537
NorESM2-LM [-] 2.83 2.55 3.71 0.182 -2.27 0.772 0.600 0.686
UKESM1-0-LL [-] 9.12 8.67 3.70 0.672 0.0191 14.5 0.225 0.346 0.285
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 22.9
CESM2 [-] 31.3 29.6 22.8 2.01 0.0801 2.59 0.472 0.877 0.675
MIROC-ESM2L [-] 42.4 39.3 23.0 3.27 0.0205 6.10 0.463 0.705 0.584
NorESM2-LM [-] 12.0 11.4 22.9 0.789 -3.35 0.502 0.805 0.654
UKESM1-0-LL [-] 49.6 45.1 22.7 3.01 0.0769 8.13 0.305 0.644 0.475
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 6.16
CESM2 [-] 3.99 3.83 6.28 0.140 0.00846 -2.18 0.563 0.676 0.619
MIROC-ESM2L [-] 3.99 3.66 6.22 0.229 6.55e-05 -2.22 0.738 0.223 0.480
NorESM2-LM [-] 1.47 1.44 6.24 0.0211 -4.28 0.502 0.348 0.425
UKESM1-0-LL [-] 3.95 3.63 6.17 0.140 0.0253 -2.22 0.673 0.537 0.605
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Period Mean (original grids) [Tg yr-1]
Model Period Mean (intersection) [Tg yr-1]
Benchmark Period Mean (intersection) [Tg yr-1]
Model Period Mean (complement) [Tg yr-1]
Benchmark Period Mean (complement) [Tg yr-1]
Bias [kg ha-1 yr-1]
Bias Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 17.9
CESM2 [-] 14.8 14.2 18.0 0.661 0.0207 -2.07 0.575 0.601 0.588
MIROC-ESM2L [-] 20.3 20.1 18.0 1.12 0.00202 1.87 0.547 0.165 0.356
NorESM2-LM [-] 9.11 8.30 17.9 0.469 -5.66 0.530 0.728 0.629
UKESM1-0-LL [-] 11.8 11.0 18.0 0.421 0.0492 -4.03 0.556 0.784 0.670

Temporally integrated period mean

BENCHMARK MEAN
Data not available
Data not available
MODEL MEAN
Data not available
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BIAS
Data not available
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BIAS SCORE
Data not available
Data not available

SPATIAL TAYLOR DIAGRAM
Data not available
MODEL COLORS
Data not available

Spatially integrated regional mean

MODEL COLORS
Data not available

All Models

Benchmark
Data not available
Data not available
CESM2
Data not available
Data not available
MIROC-ESM2L
Data not available
Data not available
NorESM2-LM
Data not available
Data not available
UKESM1-0-LL
Data not available
Data not available

Data Information

  Title:
Biological Nitrogen Fixation

  Version:
1

  Institutions:
University of Exeter

  Source:
A comprehensive global meta analysis of field measurements

  History:
2020-12-14: obtained dataset 2020-12-14: converted to netCDF

  References:
Davies-Barnard, T. and Friedlingstein, P. (2020), The Global Distribution of Biological Nitrogen Fixation in Terrestrial Natural Ecosystems, Global Biogeochemical Cycles, 3, doi:10.1029/2019GB006387

  Comments:
time_period: single estimate from 1980 through 2019
temporal_resolution: monthly
spatial_resolution: 0.5 degree
units: kg m-2 s-1

  Convention:
CF-1.8