Equatorial Africa Equatorial Asia Global - Land High Latitude South America - Amazon Temperate Latitudes

	Download Data	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	[-]	7.04
ACCESS-ESM1-5	[-]	45.2	42.3	7.03	1.26	0.00506		37.0		0.180	0.0513	0.116
BGCLND	[-]	11.3	10.9	7.01	0.331	0.0237		4.06		0.495	0.934	0.714
BGCLNDATM_progCO2	[-]	11.7	11.3	7.01	0.328	0.0237		4.43		0.463	0.928	0.696
EC-Earth3-CC	[-]	6.84	6.60	7.04	0.0761			-0.478		0.629	0.746	0.688
MeanCMIP6	[-]	10.5	10.4	7.04	0.376			3.88		0.484	0.921	0.703
MIROC-ES2L	[-]	13.9	11.8	7.04	0.837	0.000471		5.56		0.466	0.913	0.689
MPI-ESM1-2-LR	[-]	13.9	14.8	6.66	0.247	0.377		8.76		0.276	0.404	0.340
NorESM2-LM	[-]	2.14	2.19	7.04	0.0896			-4.86		0.493	0.719	0.606
UKESM1-0-LL	[-]	11.5	11.4	7.03	0.289	0.00402		4.89		0.341	0.552	0.447

	Download Data	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	[-]	2.23
ACCESS-ESM1-5	[-]	4.53	3.70	2.21	0.852	0.0253		8.48		0.422	0.0261	0.224
BGCLND	[-]	6.34	3.80	2.17	2.54	0.0686		6.89		0.458	0.656	0.557
BGCLNDATM_progCO2	[-]	6.20	3.76	2.17	2.44	0.0686		6.73		0.459	0.511	0.485
EC-Earth3-CC	[-]	2.57	2.19	2.23	0.359			-0.421		0.628	0.235	0.432
MeanCMIP6	[-]	4.58	3.02	2.23	1.63			8.18		0.418	0.729	0.573
MIROC-ES2L	[-]	5.75	2.56	2.22	2.92	0.0180		7.06		0.499	0.436	0.467
MPI-ESM1-2-LR	[-]	5.87	4.50	1.44	1.56	0.794		19.4		0.154	0.179	0.166
NorESM2-LM	[-]	1.27	0.844	2.23	0.418			-4.33		0.651	0.772	0.712
UKESM1-0-LL	[-]	6.57	4.35	2.20	2.20	0.0342		15.4		0.202	0.497	0.349

	Download Data	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
ACCESS-ESM1-5	[-]	208.	200.	88.0	7.15	0.238		9.10		0.370	0.119	0.244
BGCLND	[-]	94.7	85.6	87.8	9.13	0.487		-0.175		0.531	0.845	0.688
BGCLNDATM_progCO2	[-]	93.0	84.5	87.8	8.47	0.487		-0.260		0.510	0.835	0.672
EC-Earth3-CC	[-]	44.0	42.2	88.3	1.79			-3.60		0.507	0.625	0.566
MeanCMIP6	[-]	105.	97.0	88.3	8.15	0.0120		1.17		0.544	0.743	0.644
MIROC-ES2L	[-]	129.	115.	88.2	11.8	0.0366		2.62		0.518	0.329	0.424
MPI-ESM1-2-LR	[-]	132.	123.	83.7	8.06	4.49		3.20		0.461	0.610	0.535
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

	Download Data	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	[-]	18.2
ACCESS-ESM1-5	[-]	8.14	8.50	18.2	0.152	0.0639		-3.47		0.428	0.642	0.535
BGCLND	[-]	15.2	13.9	18.4	1.23	0.179		-1.62		0.617	0.573	0.595
BGCLNDATM_progCO2	[-]	13.2	12.1	18.4	1.09	0.179		-2.30		0.593	0.576	0.585
EC-Earth3-CC	[-]	3.70	3.41	18.9	0.295			-5.48		0.485	0.0631	0.274
MeanCMIP6	[-]	13.6	12.5	18.6	1.15	0.00255		-2.03		0.614	0.626	0.620
MIROC-ES2L	[-]	14.5	13.0	18.2	1.52	0.00401		-1.71		0.636	0.808	0.722
MPI-ESM1-2-LR	[-]	22.7	21.2	17.5	1.75	0.733		1.39		0.595	0.898	0.747
NorESM2-LM	[-]	8.24	6.98	18.2	0.568			-3.90		0.517	0.619	0.568
UKESM1-0-LL	[-]	16.9	15.6	18.5	1.32	0.0874		-0.806		0.593	0.798	0.695

	Download Data	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	[-]	6.52
ACCESS-ESM1-5	[-]	22.1	21.3	6.56	0.425			18.6		0.358	0.0643	0.211
BGCLND	[-]	13.3	12.7	6.60	0.632	0.00954		7.54		0.419	0.858	0.638
BGCLNDATM_progCO2	[-]	13.3	12.7	6.60	0.602	0.00954		7.55		0.417	0.908	0.662
EC-Earth3-CC	[-]	8.04	7.88	6.59	0.132			1.58		0.680	0.957	0.819
MeanCMIP6	[-]	13.5	13.1	6.60	0.439			8.37		0.394	0.964	0.679
MIROC-ES2L	[-]	11.5	10.3	6.54	0.599	0.000770		5.04		0.578	0.962	0.770
MPI-ESM1-2-LR	[-]	20.8	19.8	6.43	0.224	0.125		17.2		0.216	0.317	0.266
NorESM2-LM	[-]	6.21	6.00	6.53	0.173			-0.445		0.736	0.956	0.846
UKESM1-0-LL	[-]	15.8	15.3	6.53	0.402	0.00600		11.4		0.310	0.704	0.507

	Download Data	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	[-]	38.2
ACCESS-ESM1-5	[-]	29.2	28.7	37.8	1.09	0.119		-1.91		0.458	0.542	0.500
BGCLND	[-]	24.9	22.8	38.2	2.16	0.189		-3.32		0.580	0.647	0.614
BGCLNDATM_progCO2	[-]	22.9	20.9	38.2	1.91	0.189		-3.72		0.566	0.593	0.579
EC-Earth3-CC	[-]	7.43	7.18	38.4	0.318			-6.70		0.476	0.117	0.297
MeanCMIP6	[-]	32.1	29.6	38.3	2.44	0.00255		-1.59		0.578	0.821	0.699
MIROC-ES2L	[-]	47.7	45.0	38.0	4.66	0.0148		1.83		0.541	0.213	0.377
MPI-ESM1-2-LR	[-]	40.2	37.7	36.9	2.71	1.27		0.191		0.586	0.905	0.746
NorESM2-LM	[-]	19.3	17.4	38.2	1.52			-4.19		0.534	0.825	0.679
UKESM1-0-LL	[-]	30.8	28.3	38.4	2.38	0.130		-1.81		0.569	0.833	0.701

Equatorial Africa Equatorial Asia Global - Land High Latitude South America - Amazon Temperate Latitudes Temporally integrated period mean Temporally integrated period mean bias Temporally integrated period mean bias score

  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