6 226 2 Source: D. Wuebbles and A. Jain Lawrence Livermore National Laboratory Livermore, California, U.S.A. Model L: Historical CO2 fluxes from atmosphere to ocean (Gt C/yr) Year CO2 flux 1765.50 0.0000 1766.50 0.0040 1767.50 0.0060 1768.50 0.0110 1769.50 0.0150 1770.50 0.0190 1771.50 0.0230 1772.50 0.0270 1773.50 0.0320 1774.50 0.0360 1775.50 0.0400 1776.50 0.0440 1777.50 0.0490 1778.50 0.0530 1779.50 0.0580 1780.50 0.0620 1781.50 0.0670 1782.50 0.0720 1783.50 0.0770 1784.50 0.0820 1785.50 0.0870 1786.50 0.0920 1787.50 0.0970 1788.50 0.1030 1789.50 0.1080 1790.50 0.1140 1791.50 0.1190 1792.50 0.1250 1793.50 0.1310 1794.50 0.1370 1795.50 0.1430 1796.50 0.1490 1797.50 0.1550 1798.50 0.1610 1799.50 0.1670 1800.50 0.1730 1801.50 0.1780 1802.50 0.1840 1803.50 0.1890 1804.50 0.1940 1805.50 0.1990 1806.50 0.2030 1807.50 0.2070 1808.50 0.2110 1809.50 0.2140 1810.50 0.2170 1811.50 0.2190 1812.50 0.2210 1813.50 0.2230 1814.50 0.2240 1815.50 0.2240 1816.50 0.2250 1817.50 0.2240 1818.50 0.2230 1819.50 0.2220 1820.50 0.2210 1821.50 0.2200 1822.50 0.2190 1823.50 0.2180 1824.50 0.2170 1825.50 0.2160 1826.50 0.2160 1827.50 0.2160 1828.50 0.2160 1829.50 0.2160 1830.50 0.2170 1831.50 0.2180 1832.50 0.2200 1833.50 0.2220 1834.50 0.2250 1835.50 0.2280 1836.50 0.2310 1837.50 0.2350 1838.50 0.2400 1839.50 0.2450 1840.50 0.2510 1841.50 0.2570 1842.50 0.2630 1843.50 0.2680 1844.50 0.2720 1845.50 0.2760 1846.50 0.2780 1847.50 0.2810 1848.50 0.2820 1849.50 0.2830 1850.50 0.2840 1851.50 0.2840 1852.50 0.2840 1853.50 0.2830 1854.50 0.2830 1855.50 0.2820 1856.50 0.2810 1857.50 0.2800 1858.50 0.2790 1859.50 0.2790 1860.50 0.2790 1861.50 0.2790 1862.50 0.2800 1863.50 0.2810 1864.50 0.2830 1865.50 0.2860 1866.50 0.2900 1867.50 0.2940 1868.50 0.2980 1869.50 0.3040 1870.50 0.3090 1871.50 0.3150 1872.50 0.3220 1873.50 0.3290 1874.50 0.3360 1875.50 0.3440 1876.50 0.3530 1877.50 0.3610 1878.50 0.3700 1879.50 0.3800 1880.50 0.3890 1881.50 0.3990 1882.50 0.4080 1883.50 0.4170 1884.50 0.4260 1885.50 0.4350 1886.50 0.4440 1887.50 0.4520 1888.50 0.4610 1889.50 0.4680 1890.50 0.4750 1891.50 0.4820 1892.50 0.4870 1893.50 0.4920 1894.50 0.4960 1895.50 0.4990 1896.50 0.5010 1897.50 0.5030 1898.50 0.5060 1899.50 0.5090 1900.50 0.5120 1901.50 0.5170 1902.50 0.5220 1903.50 0.5280 1904.50 0.5360 1905.50 0.5440 1906.50 0.5530 1907.50 0.5620 1908.50 0.5710 1909.50 0.5800 1910.50 0.5880 1911.50 0.5960 1912.50 0.6040 1913.50 0.6110 1914.50 0.6180 1915.50 0.6250 1916.50 0.6320 1917.50 0.6380 1918.50 0.6440 1919.50 0.6490 1920.50 0.6540 1921.50 0.6590 1922.50 0.6640 1923.50 0.6680 1924.50 0.6720 1925.50 0.6750 1926.50 0.6780 1927.50 0.6790 1928.50 0.6800 1929.50 0.6810 1930.50 0.6800 1931.50 0.6800 1932.50 0.6800 1933.50 0.6800 1934.50 0.6800 1935.50 0.6800 1936.50 0.6810 1937.50 0.6830 1938.50 0.6850 1939.50 0.6880 1940.50 0.6930 1941.50 0.6980 1942.50 0.7050 1943.50 0.7130 1944.50 0.7230 1945.50 0.7340 1946.50 0.7460 1947.50 0.7590 1948.50 0.7730 1949.50 0.7890 1950.50 0.8050 1951.50 0.8230 1952.50 0.8420 1953.50 0.8620 1954.50 0.8840 1955.50 0.9060 1956.50 0.9310 1957.50 0.9560 1958.50 0.9830 1959.50 1.0120 1960.50 1.0410 1961.50 1.0700 1962.50 1.0970 1963.50 1.1240 1964.50 1.1520 1965.50 1.1850 1966.50 1.2250 1967.50 1.2720 1968.50 1.3230 1969.50 1.3780 1970.50 1.4350 1971.50 1.4920 1972.50 1.5470 1973.50 1.6000 1974.50 1.6470 1975.50 1.6920 1976.50 1.7390 1977.50 1.7900 1978.50 1.8440 1979.50 1.8960 1980.50 1.9460 1981.50 1.9910 1982.50 2.0340 1983.50 2.0760 1984.50 2.1190 1985.50 2.1630 1986.50 2.2090 1987.50 2.2560 1988.50 2.3010 1989.50 2.3420 1990.50 2.3780