Global - Land North America - Central America North America - Eastern United States North America - Southern Canada North America - Western United States

	Download Data	Period Mean (original grids) [Pg]	Model Period Mean (intersection) [Pg]	Benchmark Period Mean (intersection) [Pg]	Model Period Mean (complement) [Pg]	Benchmark Period Mean (complement) [Pg]		Bias [kg m-2]		Bias Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	26.2
I62_CRUJRA	[-]	852.	33.7	26.1	815.	0.0852		1.29		0.400	0.871	0.636
I63_CRUJRA	[-]	845.	33.7	26.1	809.	0.0852		1.28		0.400	0.871	0.636
I65_CRUJRA	[-]	681.	28.6	26.1	650.	0.0852		0.619		0.422	0.899	0.660
I67_GSWP3	[-]	605.	24.8	26.2	578.	0.000133		0.159		0.428	0.896	0.662

	Download Data	Period Mean (original grids) [Pg]	Model Period Mean (intersection) [Pg]	Benchmark Period Mean (intersection) [Pg]	Model Period Mean (complement) [Pg]	Benchmark Period Mean (complement) [Pg]		Bias [kg m-2]		Bias Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	0.00338
I62_CRUJRA	[-]	17.1	0.0547	0.00338	16.6			0.753		0.0148	0.155	0.0849
I63_CRUJRA	[-]	17.1	0.0547	0.00338	16.6			0.753		0.0148	0.155	0.0849
I65_CRUJRA	[-]	14.1	0.0501	0.00338	13.6			0.680		0.0163	0.179	0.0977
I67_GSWP3	[-]	11.6	0.0448	0.00338	11.1			0.655		0.00643	0.149	0.0778

	Download Data	Period Mean (original grids) [Pg]	Model Period Mean (intersection) [Pg]	Benchmark Period Mean (intersection) [Pg]	Model Period Mean (complement) [Pg]	Benchmark Period Mean (complement) [Pg]		Bias [kg m-2]		Bias Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	17.5
I62_CRUJRA	[-]	23.8	23.3	17.4	0.362	0.0333		1.92		0.516	0.864	0.690
I63_CRUJRA	[-]	23.8	23.2	17.4	0.360	0.0333		1.90		0.516	0.865	0.691
I65_CRUJRA	[-]	22.1	21.7	17.4	0.326	0.0333		1.47		0.543	0.906	0.725
I67_GSWP3	[-]	15.4	14.9	17.5	0.337	6.03e-05		-0.234		0.559	0.901	0.730

	Download Data	Period Mean (original grids) [Pg]	Model Period Mean (intersection) [Pg]	Benchmark Period Mean (intersection) [Pg]	Model Period Mean (complement) [Pg]	Benchmark Period Mean (complement) [Pg]		Bias [kg m-2]		Bias Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	0.222
I62_CRUJRA	[-]	61.0	0.956	0.222	60.3			8.37		0.149	0.410	0.280
I63_CRUJRA	[-]	59.8	0.953	0.222	59.1			8.33		0.151	0.408	0.279
I65_CRUJRA	[-]	43.0	0.821	0.222	42.4			6.76		0.174	0.551	0.363
I67_GSWP3	[-]	51.5	0.713	0.222	50.9			6.07		0.180	0.545	0.363

	Download Data	Period Mean (original grids) [Pg]	Model Period Mean (intersection) [Pg]	Benchmark Period Mean (intersection) [Pg]	Model Period Mean (complement) [Pg]	Benchmark Period Mean (complement) [Pg]		Bias [kg m-2]		Bias Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	8.47
I62_CRUJRA	[-]	9.45	9.41	8.42	0.0915	0.0520		0.459		0.292	0.902	0.597
I63_CRUJRA	[-]	9.46	9.43	8.42	0.0915	0.0520		0.462		0.292	0.901	0.596
I65_CRUJRA	[-]	6.08	6.05	8.42	0.0807	0.0520		-0.434		0.308	0.831	0.569
I67_GSWP3	[-]	9.16	9.11	8.47	0.166	7.29e-05		0.421		0.303	0.901	0.602

Africa - Central Africa - Sahel Africa - South Asia - East Siberia Asia - Indonesia Asia - North Central Asia - South Central Asia and China Asia - Southeast Asia and India Asia - West Siberia Australia Europe Global - Land Middle East and Sahara North America - Alaska and Northern Canada North America - Central America North America - Eastern United States North America - Southern Canada North America - Western United States South America - Amazon South America - Southeast South America - Southwest Temporally integrated period mean Temporally integrated period mean bias Temporally integrated period mean bias score

  Approach:

To convert the original data at 250m to the final one at 0.5x0.5 degree resolution, Please see conversion steps listed in http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/readme_biomass. 3 codes below will be used in these steps. Code 1: http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/read-NBCD2000.pro Code 2: http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/convert-NBCD2000.ncl Code 3: http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/write-NBCD2000.ncl First, I used Code 1 to read data at 250m from the original geotiff file

then I used Code 2 to convert unit from the orignal unit of ton C per hectare to the final one of Kg C per m2, meanwhile I summed all available data points at 250m in each 0.5x0.5 grid cell to obtain the data at 0.5x0.5 degree resolution

finally I used Code 3 to create the final file in netCDF format.

  Temporal resolution:

yearly

  General information:

This product was derived from National Biomass and Carbon Dataset for the year 2000 originally in a raster format at 250m.

  Spatial resolution:

0.5x0.5 degree

  Derived data code:

http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/read-NBCD2000.pro http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/convert-NBCD2000.ncl http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/write-NBCD2000.ncl