Annual Net flux of Carbon to the Atmosphere from Land-Use Change: 1850-1990 Version corresponding to R.A. Houghton, 1999, Tellus 51B:298-313 Units = 1000 Gg C (1 gigagram = 10^9 g) Year North South and Europe North Tropical Former China South and Pacific TOTAL America Central Africa and Africa Soviet Southeast Developed FLUX America Middle East Union Asia Region 1850 87.28 42.48 55.04 3.98 5.61 58.56 56.52 85.63 2.05 397.145 1851 87.22 42.18 55.02 3.98 6.47 58.55 56.50 85.20 2.04 397.164 1852 90.37 41.90 54.99 3.98 6.60 58.88 56.48 85.25 2.04 400.492 1853 93.38 41.66 54.96 3.98 6.69 59.22 56.47 85.33 2.03 403.713 1854 96.28 41.44 54.93 3.98 6.77 59.58 56.45 85.42 2.03 406.877 1855 99.12 41.24 54.90 3.98 6.82 59.96 56.43 85.53 2.03 410.017 1856 101.93 41.06 54.87 3.98 6.86 60.34 56.42 85.65 2.02 413.137 1857 104.72 40.91 54.84 3.98 6.88 60.72 56.40 85.77 2.02 416.250 1858 107.50 40.77 54.81 3.98 6.90 61.10 56.39 85.90 2.01 419.363 1859 110.27 40.64 54.78 3.98 6.92 61.48 56.37 86.02 2.01 422.481 1860 113.06 38.09 54.75 3.98 6.93 61.85 56.36 86.14 2.01 423.171 1861 116.34 32.46 54.79 9.01 8.02 62.22 56.25 86.26 2.08 427.422 1862 119.70 29.66 54.86 9.96 8.18 53.69 56.13 86.38 2.18 420.740 1863 123.16 26.89 54.96 10.82 8.31 53.75 55.99 86.49 2.30 422.672 1864 126.70 24.20 55.06 11.25 8.41 53.80 55.85 86.61 2.43 424.303 1865 130.31 21.57 55.18 11.64 8.49 53.86 55.71 86.71 2.56 426.033 1866 131.46 20.62 55.31 11.99 8.53 53.74 55.55 86.82 2.70 426.713 1867 132.67 19.74 55.46 12.31 8.57 53.62 55.39 86.91 2.83 427.495 1868 133.95 18.90 55.61 12.61 8.59 53.51 55.23 87.01 2.96 428.377 1869 135.30 18.11 55.78 12.89 8.62 53.41 55.06 87.10 3.09 429.350 1870 136.72 19.79 55.95 13.15 8.64 53.32 54.88 87.18 3.21 432.843 1871 138.16 23.97 50.48 13.40 8.66 53.23 54.70 108.79 9.87 461.264 1872 139.64 25.66 49.60 13.64 8.67 53.49 54.53 113.96 11.93 471.118 1873 141.14 27.32 48.75 13.87 8.69 53.75 54.35 117.71 13.66 479.236 1874 142.67 28.92 47.95 14.09 8.70 54.01 51.69 120.51 14.33 482.862 1875 144.23 30.47 47.17 14.30 8.71 54.27 51.15 122.69 14.87 487.850 1876 144.64 30.66 46.53 14.47 9.79 54.94 50.74 124.08 15.35 491.204 1877 144.91 31.36 45.94 14.63 9.96 55.04 50.41 125.23 15.76 493.231 1878 145.05 32.02 45.39 14.79 10.08 55.13 50.11 126.23 16.12 494.901 1879 145.06 32.63 44.87 14.93 10.18 55.21 49.84 127.11 16.44 496.273 1880 144.94 33.22 44.39 15.07 10.26 55.30 49.59 127.91 16.75 497.425 1881 144.70 70.55 43.94 15.21 10.30 55.40 49.35 128.27 17.05 534.771 1882 144.34 82.30 43.52 15.35 10.33 55.51 49.14 128.59 17.34 546.421 1883 143.86 92.24 43.12 15.49 10.36 55.63 48.94 128.87 17.64 556.158 1884 143.27 100.88 42.74 15.63 10.39 55.76 48.75 129.13 17.94 564.499 1885 142.58 108.58 42.39 15.77 10.41 55.90 48.58 129.37 18.24 571.807 1886 141.82 112.04 42.56 15.90 11.71 56.03 48.42 129.59 18.54 576.593 1887 141.00 114.43 42.73 16.03 11.91 56.17 48.26 129.79 18.83 579.162 1888 140.14 116.44 42.92 16.16 12.06 56.30 48.11 129.98 19.12 581.235 1889 139.21 118.15 43.11 16.29 12.18 56.44 48.04 130.16 19.36 582.940 1890 138.09 119.63 43.31 16.42 12.28 56.57 47.97 130.32 19.60 584.180 1891 148.45 92.35 43.51 16.54 12.34 56.70 47.90 146.76 19.83 584.388 1892 150.16 84.19 43.72 16.66 12.38 56.83 47.84 150.78 20.06 582.620 1893 151.73 77.09 43.91 16.78 12.42 56.96 47.79 153.67 20.28 580.630 1894 153.18 70.78 44.11 16.90 12.45 57.08 47.75 155.83 20.50 578.581 1895 154.55 65.05 44.31 17.01 12.47 57.21 47.70 157.53 20.72 576.549 1896 155.52 63.60 44.50 17.12 12.50 57.33 47.66 158.61 20.93 577.764 1897 156.43 62.47 44.68 17.23 12.52 57.45 47.63 159.49 21.14 579.038 1898 157.30 61.59 44.86 17.34 12.53 57.57 47.60 160.22 21.35 580.364 1899 158.14 60.90 45.03 17.45 12.55 57.68 47.57 160.87 21.55 581.740 1900 158.92 60.36 45.19 17.55 12.56 57.79 47.54 161.44 21.75 583.112 1901 159.83 124.92 45.44 20.07 15.57 57.90 47.62 161.69 22.03 655.075 1902 160.75 144.42 45.70 20.58 16.02 58.05 47.72 161.98 22.34 677.559 1903 161.70 160.67 45.98 21.04 16.35 58.19 47.84 162.24 22.65 696.656 1904 162.67 174.59 46.28 21.29 16.61 58.33 47.96 162.47 22.97 713.179 1905 163.67 186.84 46.60 21.52 16.82 58.47 48.11 162.67 23.30 727.993 1906 163.10 191.39 46.93 21.72 16.93 58.59 48.25 170.77 23.62 741.299 1907 162.56 195.05 47.27 21.89 17.02 58.59 48.40 172.83 23.94 747.540 1908 162.04 198.06 47.62 22.05 17.10 58.58 48.55 174.30 24.25 752.540 1909 161.56 200.56 47.98 22.20 17.16 58.56 48.70 175.40 24.56 756.671 1910 161.10 202.27 48.35 22.33 17.21 58.54 48.85 176.27 24.87 759.791 1911 160.68 140.60 48.72 22.48 21.53 58.53 49.01 176.84 25.15 703.522 1912 160.30 122.37 49.10 22.59 22.20 58.51 49.16 177.30 25.41 686.940 1913 159.97 107.21 49.47 22.69 22.69 63.68 49.30 156.93 25.67 657.631 1914 159.68 94.19 49.85 22.79 23.08 65.23 55.07 152.36 25.91 648.173 1915 159.44 82.67 50.23 22.88 23.40 66.59 56.06 149.05 26.16 636.474 1916 159.22 78.80 50.66 22.93 23.57 67.89 56.94 153.45 26.39 639.850 1917 159.03 75.71 51.09 22.97 23.71 69.21 57.66 153.09 26.62 639.076 1918 158.88 73.19 51.51 23.01 23.82 70.49 58.32 152.93 26.84 638.978 1919 158.76 71.09 51.92 23.03 23.92 71.76 58.95 152.69 27.05 639.181 1920 158.68 66.46 52.32 23.05 24.00 73.06 59.55 152.43 27.26 636.822 1921 158.64 104.94 52.77 23.06 28.35 74.38 60.11 152.08 27.57 681.924 1922 158.64 114.93 53.20 23.07 29.04 75.75 60.66 151.74 27.79 694.822 1923 158.67 122.76 53.62 23.08 29.56 77.06 61.17 151.80 28.00 705.725 1924 158.75 129.12 54.03 23.09 29.97 78.40 61.61 151.87 28.18 715.011 1925 158.85 134.47 54.42 23.09 30.30 79.78 62.10 151.96 28.35 723.319 1926 158.29 135.88 54.08 31.70 30.49 81.20 62.42 147.46 28.57 730.099 1927 157.65 136.87 53.62 33.63 30.64 82.53 62.72 146.83 28.81 733.300 1928 157.22 137.47 53.05 35.36 30.77 83.10 62.98 146.53 29.05 735.537 1929 131.20 137.78 52.36 35.79 30.87 83.70 63.09 146.44 29.30 710.527 1930 124.19 141.11 51.56 36.12 30.97 84.30 63.17 146.47 29.54 707.444 1931 117.44 157.80 50.66 36.74 35.33 84.91 63.25 146.66 29.79 722.578 1932 110.89 163.27 49.66 37.31 36.02 85.52 63.31 146.89 30.04 722.897 1933 104.46 167.92 48.56 37.82 36.55 86.15 63.36 147.15 30.28 722.256 1934 98.14 171.97 47.36 38.30 36.96 84.55 67.10 147.42 30.53 722.339 1935 91.89 175.55 46.08 38.75 37.30 82.80 67.92 147.70 30.78 718.768 1936 85.51 177.38 44.76 39.18 37.49 80.90 68.63 165.10 31.02 729.964 1937 79.19 179.58 43.40 39.59 37.65 78.84 69.19 169.48 31.26 728.172 1938 72.92 181.57 42.01 39.98 37.78 76.69 69.70 172.75 31.50 724.900 1939 66.67 183.40 40.59 40.35 37.89 74.51 70.17 175.29 31.73 720.611 1940 60.51 185.09 39.15 40.71 37.99 71.15 70.61 177.32 31.96 714.481 1941 54.31 194.01 37.69 41.03 53.04 54.42 71.04 182.27 32.19 719.998 1942 48.15 198.34 36.23 41.35 55.30 47.51 71.44 187.87 32.41 718.624 1943 42.05 202.54 34.77 41.65 56.99 40.84 71.84 193.64 32.63 716.943 1944 39.63 206.70 33.31 41.89 58.30 34.35 72.21 199.44 32.84 718.664 1945 37.25 210.70 31.86 42.13 59.36 28.04 72.58 205.19 33.04 720.135 1946 34.91 214.35 30.40 42.35 59.93 24.03 72.93 281.30 33.24 793.441 1947 32.61 217.62 28.96 42.56 60.38 20.43 73.28 302.11 33.44 811.378 1948 30.35 221.01 27.52 42.77 60.75 17.18 73.62 318.01 33.63 824.833 1949 28.13 224.51 26.08 42.97 61.06 14.31 73.67 329.78 33.82 834.320 1950 25.97 229.84 24.66 43.16 61.33 13.08 73.72 340.01 34.00 845.773 1951 18.23 286.38 23.53 34.40 82.95 126.91 74.65 349.78 67.51 1064.327 1952 15.04 304.72 22.55 32.64 86.28 149.64 75.60 362.04 76.88 1125.376 1953 12.12 319.58 21.71 30.83 88.76 171.48 76.56 322.62 84.52 1128.181 1954 9.44 331.78 21.01 28.61 90.71 192.67 77.52 323.13 86.59 1161.448 1955 6.97 342.05 20.44 26.39 92.29 213.75 97.76 326.78 87.92 1214.345 1956 4.71 348.10 20.00 25.71 93.16 236.15 102.65 326.49 88.76 1245.711 1957 2.63 353.04 19.68 25.04 93.86 258.25 107.01 326.34 89.26 1275.109 1958 0.72 357.15 19.48 24.41 94.43 279.95 110.54 320.70 89.52 1296.919 1959 -1.02 362.41 19.40 23.79 94.92 208.34 113.79 320.51 89.62 1231.770 1960 -2.61 366.65 19.44 23.21 95.34 210.89 116.84 321.34 89.59 1240.677 1961 -4.09 481.93 16.70 22.64 129.92 205.22 119.69 325.96 89.48 1387.432 1962 -5.48 517.55 16.32 22.08 135.24 201.87 122.35 332.01 89.30 1431.247 1963 -6.76 546.07 16.01 21.55 139.22 198.82 124.84 347.12 89.09 1475.961 1964 -7.96 572.04 15.78 21.03 142.32 196.18 127.34 356.56 88.83 1512.116 1965 -9.08 593.94 15.61 20.52 144.85 192.92 129.51 365.27 88.56 1542.088 1966 -9.07 603.87 15.48 21.63 146.24 181.17 129.61 374.12 88.25 1551.292 1967 -9.03 612.03 15.39 21.82 147.36 169.52 130.71 382.93 87.94 1558.677 1968 -8.97 619.05 15.35 21.96 148.28 157.92 131.78 397.51 87.61 1570.492 1969 -8.87 629.61 15.33 21.73 149.06 147.84 132.89 407.46 87.04 1582.089 1970 -9.26 638.01 13.57 21.48 149.73 114.46 132.78 416.75 86.46 1563.981 1971 -9.53 567.12 11.18 21.52 184.52 100.10 104.98 407.73 50.23 1437.845 1972 -9.76 547.71 8.64 21.57 190.04 85.37 101.07 410.06 39.11 1393.820 1973 -9.93 531.05 5.96 21.62 194.18 71.25 97.25 474.68 29.74 1415.799 1974 -9.56 516.35 3.15 21.66 197.43 64.85 93.70 492.08 26.12 1405.787 1975 -9.15 503.09 0.21 21.71 200.09 58.78 90.12 505.73 23.24 1393.830 1976 -8.74 501.64 -2.64 21.75 201.60 55.92 86.52 619.65 20.85 1496.554 1977 -8.32 500.90 -5.64 21.78 202.82 50.36 82.85 655.90 18.78 1519.441 1978 -7.99 500.34 -8.79 21.81 203.84 44.82 79.10 682.44 16.94 1532.511 1979 -7.48 507.58 -12.08 21.84 233.70 39.50 75.22 703.56 15.26 1577.084 1980 -7.09 511.59 -14.09 21.85 238.69 35.44 73.78 721.19 13.69 1595.045 1981 -7.01 516.39 -15.34 17.00 256.24 33.41 73.42 979.87 15.58 1869.544 1982 -5.80 517.03 -16.39 16.56 261.24 30.73 63.74 1046.49 14.94 1928.539 1983 -4.30 516.74 -17.23 16.44 265.19 28.82 60.42 1092.35 14.13 1972.563 1984 -2.55 552.39 -17.88 18.04 267.79 27.16 57.65 1126.06 12.75 2041.413 1985 -0.55 563.87 -18.34 19.80 269.92 25.77 55.55 1152.18 11.29 2079.482 1986 1.67 567.57 -18.62 20.37 318.45 23.36 53.90 1173.82 9.77 2150.284 1987 4.08 592.06 -18.72 21.02 326.58 22.57 52.43 1154.87 8.22 2163.104 1988 6.69 596.17 -18.65 21.72 332.71 21.85 51.09 1166.73 6.65 2184.948 1989 9.47 579.12 -18.42 22.47 337.54 21.19 49.85 1180.05 5.29 2186.550 1990 12.42 577.16 -18.08 23.24 341.50 20.11 48.69 1094.39 3.92 2103.342