*************************************************** *** Source: R.J. Andres *** *** Institute of Northern Engineering *** *** University of Alaska Fairbanks *** *** Fairbanks, AK 99775-5900 USA *** *** *** *** G. Marland *** *** Environmental Sciences Division *** *** Oak Ridge National Laboratory *** *** Oak Ridge, TN 37831-6335 USA *** *** *** *** S. Bischof *** *** Connecticut College *** *** New London, Connecticut 06320 USA *** *************************************************** isolat.dat last updated 21 March 1996 Latitudinal gradients of del 13 C for fossil fuel and cement consumption. Data are arranged by descending latitude (180-179 is 90-89 degrees N) and year. 1950 1960 1970 1980 1990 1991 1992 180 - 179 0 0 0 0 0 0 0 179 - 178 0 0 0 0 0 0 0 178 - 177 0 0 0 0 0 0 0 177 - 176 0 0 0 0 0 0 0 176 - 175 0 0 0 0 0 0 0 175 - 174 0 0 0 0 0 0 0 174 - 173 0 0 0 0 0 0 0 173 - 172 0 0 0 0 0 0 0 172 - 171 0 0 0 0 0 0 0 171 - 170 0 0 0 0 0 0 0 170 - 169 0 0 0 0 0 0 0 169 - 168 0 0 0 0 0 0 0 168 - 167 0 0 0 0 0 0 0 167 - 166 0 0 0 0 0 0 0 166 - 165 0 0 0 0 0 0 0 165 - 164 0 0 0 0 0 0 0 164 - 163 -24.93 -25.92 -27.83 -29.71 -31.92 -32.29 -32.91 163 - 162 0 0 0 0 0 0 0 162 - 161 -24.93 -25.92 -27.83 -29.71 -31.92 -32.29 -32.91 161 - 160 -25.08 -26.06 -27.71 -29.85 -32.06 -32.49 -33.11 160 - 159 -25.04 -26.02 -27.76 -29.80 -32.01 -32.42 -33.04 159 - 158 -24.94 -25.93 -27.69 -29.58 -31.82 -32.20 -32.86 158 - 157 -24.81 -25.81 -27.41 -29.16 -31.49 -31.78 -32.46 157 - 156 -24.81 -25.81 -27.41 -29.15 -31.48 -31.77 -32.45 156 - 155 -24.85 -25.78 -27.30 -28.95 -31.20 -31.49 -32.19 155 - 154 -24.91 -25.89 -27.45 -29.20 -31.49 -31.80 -32.45 154 - 153 -24.77 -25.77 -27.22 -29.03 -31.40 -31.71 -32.38 153 - 152 -24.79 -25.80 -27.32 -29.09 -31.41 -31.72 -32.43 152 - 151 -25.23 -26.16 -27.55 -29.10 -31.29 -31.60 -32.31 151 - 150 -24.67 -25.65 -26.97 -28.62 -31.06 -31.35 -32.18 150 - 149 -24.82 -25.88 -27.39 -29.35 -31.70 -32.02 -32.13 149 - 148 -24.62 -25.64 -27.43 -29.47 -31.37 -31.68 -31.74 148 - 147 -24.54 -25.52 -27.29 -29.31 -31.06 -31.33 -31.80 147 - 146 -24.57 -25.54 -27.29 -29.14 -31.02 -31.27 -31.76 146 - 145 -24.61 -25.59 -27.28 -29.06 -31.08 -31.31 -31.84 145 - 144 -24.46 -25.31 -27.07 -28.94 -30.62 -30.83 -31.05 144 - 143 -24.27 -24.82 -26.25 -27.75 -29.29 -29.54 -29.77 143 - 142 -24.21 -24.64 -26.45 -28.22 -29.40 -30.03 -30.13 142 - 141 -24.25 -24.77 -26.56 -28.40 -29.61 -30.05 -29.99 141 - 140 -24.10 -24.59 -25.99 -27.51 -29.05 -29.39 -28.73 140 - 139 -24.35 -25.04 -26.34 -27.91 -29.52 -29.62 -28.71 139 - 138 -24.46 -25.11 -26.41 -28.02 -29.62 -29.71 -29.54 138 - 137 -25.51 -26.34 -27.74 -28.90 -29.88 -29.96 -29.51 137 - 136 -25.79 -26.78 -28.01 -28.94 -29.84 -29.99 -29.69 136 - 135 -26.11 -27.61 -28.66 -29.14 -29.89 -30.04 -29.97 135 - 134 -26.56 -27.87 -28.69 -28.83 -29.27 -29.38 -29.20 134 - 133 -26.19 -27.47 -28.27 -28.52 -29.13 -29.23 -29.07 133 - 132 -26.94 -28.26 -28.79 -28.43 -28.69 -28.79 -28.61 132 - 131 -27.15 -28.56 -29.31 -28.66 -28.59 -28.70 -28.66 131 - 130 -27.03 -28.28 -28.98 -28.45 -28.45 -28.56 -28.46 130 - 129 -27.04 -28.20 -28.88 -28.26 -28.10 -28.18 -28.14 129 - 128 -26.97 -28.02 -28.71 -28.00 -27.82 -27.86 -27.72 128 - 127 -27.02 -28.02 -28.54 -27.55 -27.27 -27.26 -27.19 127 - 126 -26.96 -27.56 -28.34 -27.58 -27.20 -27.16 -27.14 126 - 125 -26.56 -27.17 -27.49 -27.04 -27.21 -27.19 -27.18 125 - 124 -27.04 -27.81 -28.45 -27.68 -27.37 -27.37 -27.32 124 - 123 -27.06 -27.69 -28.63 -27.83 -27.27 -27.24 -27.16 123 - 122 -27.19 -27.83 -29.35 -28.02 -27.34 -27.29 -27.19 122 - 121 -26.95 -26.93 -28.47 -27.43 -26.64 -26.56 -26.45 121 - 120 -27.14 -27.35 -29.05 -27.79 -26.88 -26.81 -26.71 120 - 119 -27.21 -27.89 -30.11 -28.62 -27.62 -27.31 -27.30 119 - 118 -26.34 -26.12 -29.21 -27.79 -26.74 -26.74 -26.22 118 - 117 -26.88 -26.97 -28.69 -27.64 -26.82 -26.79 -26.68 117 - 116 -26.26 -25.98 -27.67 -27.48 -26.88 -26.79 -26.66 116 - 115 -26.74 -26.77 -29.21 -28.57 -27.64 -27.81 -28.07 115 - 114 -24.70 -24.47 -28.60 -28.62 -28.04 -28.18 -28.20 114 - 113 -24.57 -24.42 -26.28 -26.46 -26.07 -26.09 -26.05 113 - 112 -24.61 -24.53 -25.75 -26.02 -25.67 -25.68 -25.59 112 - 111 -26.34 -26.55 -28.20 -28.07 -27.09 -27.23 -27.12 111 - 110 -25.74 -26.30 -27.21 -27.41 -26.79 -26.84 -26.81 110 - 109 -26.81 -27.55 -28.54 -28.29 -27.30 -27.29 -27.24 109 - 108 -23.76 -24.96 -25.33 -26.09 -26.33 -26.12 -26.34 108 - 107 -25.18 -25.62 -26.34 -26.72 -26.32 -26.35 -26.35 107 - 106 -25.22 -25.78 -25.94 -25.95 -25.87 -25.85 -25.95 106 - 105 -24.61 -24.93 -24.97 -24.80 -25.18 -25.26 -25.50 105 - 104 -24.61 -24.79 -24.86 -24.58 -25.09 -25.14 -25.40 104 - 103 -24.61 -24.65 -25.53 -25.77 -25.91 -26.01 -26.17 103 - 102 -25.91 -25.82 -26.85 -28.04 -27.77 -28.01 -28.28 102 - 101 -28.50 -28.15 -30.37 -31.44 -30.59 -30.64 -30.55 101 - 100 -34.74 -33.72 -32.76 -30.32 -30.47 -30.50 -30.22 100 - 99 -31.43 -30.46 -30.36 -29.27 -29.00 -29.02 -28.89 99 - 98 -33.39 -32.21 -31.58 -29.85 -30.15 -30.16 -29.99 98 - 97 -32.45 -31.34 -30.98 -30.13 -30.29 -30.35 -30.21 97 - 96 -30.85 -30.08 -29.91 -29.40 -29.47 -29.43 -29.47 96 - 95 -31.15 -30.64 -30.01 -29.40 -29.57 -29.41 -29.74 95 - 94 -30.81 -30.16 -33.24 -31.49 -30.65 -30.44 -30.75 94 - 93 -27.91 -27.84 -27.63 -27.90 -28.19 -27.90 -28.61 93 - 92 -29.63 -29.31 -28.64 -28.42 -28.73 -28.46 -29.06 92 - 91 -28.24 -28.80 -26.81 -26.81 -28.12 -27.69 -27.70 91 - 90 -27.34 -28.41 -28.22 -29.85 -30.01 -29.79 -30.28 90 - 89 -27.49 -28.33 -28.19 -28.90 -29.33 -29.12 -29.67 89 - 88 -27.42 -28.32 -27.96 -28.90 -29.38 -29.17 -29.74 88 - 87 -27.39 -28.40 -28.23 -28.63 -29.17 -28.95 -29.54 87 - 86 -26.94 -27.90 -27.62 -27.94 -28.72 -28.50 -29.11 86 - 85 -25.98 -26.73 -27.01 -26.97 -27.71 -27.57 -27.97 85 - 84 -25.47 -26.02 -26.22 -25.92 -26.69 -26.54 -26.84 84 - 83 -26.70 -27.64 -27.48 -27.85 -28.64 -28.44 -29.04 83 - 82 -26.60 -27.46 -27.36 -27.64 -28.47 -28.26 -28.84 82 - 81 -26.05 -26.68 -26.79 -26.83 -27.69 -27.49 -27.95 81 - 80 -25.35 -25.81 -26.24 -26.10 -26.83 -26.65 -26.95 80 - 79 -24.65 -24.79 -25.98 -25.41 -25.77 -25.58 -25.64 79 - 78 -24.57 -24.61 -26.04 -25.72 -26.08 -25.90 -25.99 78 - 77 -25.12 -25.04 -26.64 -25.90 -26.05 -25.86 -25.92 77 - 76 -24.54 -24.46 -26.03 -25.97 -26.27 -26.10 -26.20 76 - 75 -24.53 -24.52 -26.05 -25.96 -26.32 -26.17 -26.29 75 - 74 -24.45 -24.43 -25.76 -25.67 -26.08 -25.90 -26.00 74 - 73 -24.58 -24.65 -25.78 -25.69 -26.01 -25.87 -26.01 73 - 72 -24.57 -24.70 -25.32 -25.47 -25.74 -25.62 -25.74 72 - 71 -24.42 -24.88 -25.25 -25.13 -25.52 -25.37 -25.46 71 - 70 -24.50 -24.84 -25.09 -24.91 -25.43 -25.27 -25.34 70 - 69 -24.51 -24.94 -25.21 -25.02 -25.47 -25.32 -25.39 69 - 68 -24.53 -24.90 -25.33 -25.21 -25.62 -25.45 -25.54 68 - 67 -24.61 -25.04 -25.25 -24.84 -25.60 -25.42 -25.48 67 - 66 -24.50 -24.95 -25.17 -24.79 -25.47 -25.30 -25.37 66 - 65 -24.42 -24.83 -25.39 -25.50 -26.26 -26.22 -26.31 65 - 64 -24.20 -24.46 -24.74 -24.80 -25.29 -25.24 -25.32 64 - 63 -24.08 -24.25 -24.46 -24.55 -24.93 -24.91 -24.99 63 - 62 -24.29 -24.57 -25.15 -25.74 -26.41 -26.38 -26.46 62 - 61 -24.20 -24.44 -24.80 -24.98 -25.51 -25.49 -25.57 61 - 60 -24.11 -24.28 -24.53 -24.71 -25.13 -25.10 -25.18 60 - 59 -24.20 -24.45 -24.81 -25.03 -25.54 -25.50 -25.59 59 - 58 -24.41 -24.75 -25.48 -26.16 -27.03 -27.03 -27.10 58 - 57 -24.41 -24.76 -25.46 -26.02 -26.89 -26.91 -26.99 57 - 56 -24.21 -24.69 -25.34 -25.90 -26.34 -26.24 -26.37 56 - 55 -25.02 -25.70 -27.10 -28.16 -30.53 -30.60 -30.61 55 - 54 -24.55 -25.11 -26.16 -27.23 -28.42 -28.42 -28.50 54 - 53 -24.53 -24.98 -26.05 -27.43 -29.93 -30.04 -30.23 53 - 52 -24.37 -24.66 -25.48 -26.73 -27.61 -27.56 -27.61 52 - 51 -24.69 -25.33 -26.55 -27.65 -29.46 -29.53 -29.63 51 - 50 -24.92 -25.69 -27.26 -28.56 -32.02 -32.12 -32.30 50 - 49 -25.00 -25.86 -27.49 -28.72 -32.12 -32.21 -32.37 49 - 48 -24.57 -24.89 -25.98 -27.59 -30.71 -30.84 -31.02 48 - 47 -24.54 -24.97 -26.00 -27.26 -28.93 -28.98 -29.08 47 - 46 -24.62 -24.89 -26.02 -27.85 -31.79 -31.91 -32.11 46 - 45 -24.87 -25.46 -26.97 -28.50 -32.39 -32.48 -32.65 45 - 44 -24.62 -25.02 -26.23 -27.91 -31.86 -31.98 -32.23 44 - 43 -24.87 -25.53 -27.05 -28.49 -32.18 -32.28 -32.46 43 - 42 -25.51 -26.43 -28.31 -29.51 -33.53 -33.54 -33.56 42 - 41 -25.23 -26.46 -28.17 -28.99 -31.73 -31.82 -31.95 41 - 40 -25.51 -26.43 -28.31 -29.51 -33.53 -33.54 -33.56 40 - 39 -25.51 -26.43 -28.31 -29.51 -33.53 -33.54 -33.56 39 - 38 -26.00 -26.48 -28.05 -28.77 -31.01 -31.11 -31.26 38 - 37 -24.35 -26.53 -27.77 -27.24 -26.96 -26.69 -27.22 37 - 36 -24.67 -26.50 -27.91 -27.91 -28.60 -28.55 -28.93 36 - 35 -25.51 -26.43 -28.31 -29.51 -33.53 -33.54 -33.56 35 - 34 0 0 0 0 0 0 0 34 - 33 0 0 0 0 0 0 0 33 - 32 0 0 0 0 0 0 0 32 - 31 0 0 0 0 0 0 0 31 - 30 0 0 0 0 0 0 0 30 - 29 0 0 0 0 0 0 0 29 - 28 0 0 0 0 0 0 0 28 - 27 0 0 0 0 0 0 0 27 - 26 0 0 0 0 0 0 0 26 - 25 0 0 0 0 0 0 0 25 - 24 0 0 0 0 0 0 0 24 - 23 0 0 0 0 0 0 0 23 - 22 0 0 0 0 0 0 0 22 - 21 0 0 0 0 0 0 0 21 - 20 0 0 0 0 0 0 0 20 - 19 0 0 0 0 0 0 0 19 - 18 0 0 0 0 0 0 0 18 - 17 0 0 0 0 0 0 0 17 - 16 0 0 0 0 0 0 0 16 - 15 0 0 0 0 0 0 0 15 - 14 0 0 0 0 0 0 0 14 - 13 0 0 0 0 0 0 0 13 - 12 0 0 0 0 0 0 0 12 - 11 0 0 0 0 0 0 0 11 - 10 0 0 0 0 0 0 0 10 - 9 0 0 0 0 0 0 0 9 - 8 0 0 0 0 0 0 0 8 - 7 0 0 0 0 0 0 0 7 - 6 0 0 0 0 0 0 0 6 - 5 0 0 0 0 0 0 0 5 - 4 0 0 0 0 0 0 0 4 - 3 0 0 0 0 0 0 0 3 - 2 0 0 0 0 0 0 0 2 - 1 0 0 0 0 0 0 0 1 - 0 0 0 0 0 0 0 0