| 1 | Hydrology | 302 | 22.9K | 1 | 1 |
| 2 | Hydrology | 150 | 14.9K | 1 | 1 |
| 3 | Environmental Engineering | 173 | 14.1K | 1 | 1 |
| 4 | Environmental Engineering | 94 | 11.4K | 3 | 2 |
| 5 | Propulsion | 105 | 10.7K | 61 | 33 |
| 6 | Hydraulic Engineering | 120 | 10.0K | 2 | 2 |
| 7 | Environmental Engineering | 124 | 9.6K | 1 | 5 |
| 8 | Propulsion | 93 | 9.6K | 56 | 31 |
| 9 | Civil Engineering | 116 | 8.3K | 5 | 4 |
| 10 | Physical Geography | 66 | 8.2K | 3 | 1 |
| 11 | Environmental Engineering | 124 | 8.0K | 1 | 1 |
| 12 | Economic Geology | 62 | 7.4K | 8 | 2 |
| 13 | Environmental Engineering | 112 | 7.4K | 1 | 1 |
| 14 | Planetary Science | 52 | 6.4K | 5 | 3 |
| 15 | Economic Geology | 48 | 6.3K | 5 | 2 |
| 16 | Earth Science | 69 | 6.1K | 8 | 5 |
| 17 | Environmental Engineering | 100 | 6.1K | 7 | 3 |
| 18 | Environmental Engineering | 69 | 6.0K | 1 | 1 |
| 19 | Hydrology | 150 | 5.3K | 3 | 4 |
| 20 | Environmental Engineering | 92 | 5.1K | 2 | 3 |
| 21 | Architectural Engineering | 102 | 5.1K | 2 | 3 |
| 22 | Civil Engineering | 63 | 4.7K | 2 | 1 |
| 23 | Geography | 72 | 4.7K | 3 | 3 |
| 24 | Dynamics | 20 | 4.6K | 39 | 6 |
| 25 | Geology | 48 | 4.4K | 2 | 1 |
| 26 | Mining Engineering | 68 | 4.4K | 2 | 3 |
| 27 | Environmental Engineering | 58 | 4.3K | 3 | 5 |
| 28 | Hydropower | 88 | 4.2K | 5 | 4 |
| 29 | Hydraulic Engineering | 111 | 4.2K | 3 | 2 |
| 30 | Environmental Engineering | 67 | 4.0K | 6 | 10 |
| 31 | Hydrology | 74 | 3.9K | 2 | 2 |
| 32 | Environmental Engineering | 67 | 3.9K | 1 | 1 |
| 33 | Environmental Engineering | 22 | 3.9K | 3 | 1 |
| 34 | Environmental Engineering | 57 | 3.9K | 3 | 2 |
| 35 | Environmental Engineering | 68 | 3.8K | 8 | 15 |
| 36 | Ecological Engineering | 58 | 3.7K | 1 | 2 |
| 37 | Environmental Science | 42 | 3.6K | 2 | 1 |
| 38 | Architecture | 46 | 3.5K | 3 | 5 |
| 39 | Environmental Science | 44 | 3.5K | 1 | 2 |
| 40 | Environmental Engineering | 44 | 3.5K | 3 | 2 |
| 41 | Hydrology | 41 | 3.5K | 9 | 10 |
| 42 | Civil Engineering | 51 | 3.5K | 14 | 11 |
| 43 | Environmental Engineering | 66 | 3.4K | 2 | 3 |
| 44 | Physical Geography | 50 | 3.4K | 5 | 7 |
| 45 | Environmental Engineering | 55 | 3.3K | 1 | 5 |
| 46 | Environmental Science | 50 | 3.2K | 4 | 6 |
| 47 | Hydraulic Engineering | 40 | 3.2K | 2 | 2 |
| 48 | Agricultural Engineering | 73 | 3.1K | 3 | 2 |
| 49 | Geology | 54 | 3.1K | 5 | 11 |
| 49 | Geophysics | 54 | 3.1K | 5 | 11 |
| 51 | Environmental Engineering | 51 | 3.1K | 11 | 9 |
| 52 | Dynamics | 15 | 3.1K | 52 | 12 |
| 53 | Geography | 36 | 3.0K | 2 | 2 |
| 53 | Environmental Engineering | 36 | 3.0K | 2 | 2 |
| 55 | Environmental Engineering | 48 | 2.9K | 2 | 2 |
| 56 | Environmental Engineering | 40 | 2.9K | 1 | 1 |
| 57 | Environmental Engineering | 26 | 2.8K | 2 | 3 |
| 58 | Geography | 50 | 2.8K | 5 | 10 |
| 59 | Geography | 45 | 2.7K | 1 | 4 |
| 60 | Geography | 29 | 2.7K | 2 | 2 |
| 61 | Environmental Engineering | 21 | 2.7K | 2 | 2 |
| 62 | Civil Engineering | 48 | 2.6K | 4 | 5 |
| 63 | Statistics | 63 | 2.5K | 293 | 291 |
| 64 | Geography | 31 | 2.5K | 20 | 21 |
| 65 | Geophysics | 24 | 2.5K | 6 | 4 |
| 66 | Geology | 27 | 2.4K | 8 | 11 |
| 67 | Civil Engineering | 48 | 2.3K | 15 | 20 |
| 68 | Water Resources Engineering | 19 | 2.3K | 1 | 1 |
| 69 | Hydrology | 25 | 2.3K | 2 | 3 |
| 70 | Hydrometeorology | 12 | 2.1K | 1 | 1 |
| 70 | Remote Sensing | 12 | 2.1K | 1 | 1 |
| 72 | Geography | 26 | 2.1K | 29 | 33 |
| 73 | Geophysics | 10 | 2.1K | 28 | 17 |
| 74 | Geology | 10 | 2.1K | 29 | 17 |
| 75 | Environmental Engineering | 29 | 2.1K | 11 | 18 |
| 76 | Construction Engineering | 36 | 2.1K | 4 | 5 |
| 77 | Civil Engineering | 25 | 2.0K | 6 | 14 |
| 78 | Geotechnical Engineering | 40 | 2.0K | 1 | 2 |
| 79 | Environmental Engineering | 48 | 2.0K | 2 | 5 |
| 80 | Hydrology | 34 | 2.0K | 9 | 10 |
| 81 | Physical Geography | 11 | 1.9K | 2 | 3 |
| 82 | Geography | 48 | 1.9K | 10 | 32 |
| 83 | Hydrology | 17 | 1.9K | 3 | 3 |
| 84 | Education | 19 | 1.9K | 29 | 10 |
| 85 | Dynamics | 36 | 1.9K | 2 | 5 |
| 86 | Geography | 22 | 1.9K | 7 | 4 |
| 87 | Remote Sensing | 32 | 1.9K | 8 | 9 |
| 88 | Forest Ecology | 27 | 1.9K | 16 | 15 |
| 89 | Hydrology | 44 | 1.8K | 4 | 5 |
| 90 | Environmental Engineering | 47 | 1.8K | 4 | 3 |
| 91 | Geography | 21 | 1.8K | 22 | 24 |
| 92 | Environmental Engineering | 31 | 1.8K | 6 | 3 |
| 93 | Environmental Engineering | 31 | 1.8K | 4 | 6 |
| 94 | Environmental Engineering | 10 | 1.8K | 1 | 1 |
| 95 | Environmental Science | 24 | 1.8K | 13 | 18 |
| 96 | Environmental Engineering | 34 | 1.7K | 5 | 10 |
| 97 | Geophysics | 26 | 1.7K | 17 | 18 |
| 98 | Dynamics | 29 | 1.7K | 2 | 2 |
| 99 | Environmental Physics | 33 | 1.7K | 1 | 1 |
| 100 | Environmental Engineering | 31 | 1.7K | 7 | 8 |
| 101 | Environmental Engineering | 32 | 1.7K | 5 | 7 |
| 102 | Geography | 27 | 1.6K | 18 | 31 |
| 103 | Civil Engineering | 44 | 1.6K | 7 | 8 |
| 104 | Environmental Engineering | 29 | 1.6K | 2 | 3 |
| 105 | Electronics | 29 | 1.6K | 11 | 5 |
| 105 | Bioengineering | 29 | 1.6K | 15 | 7 |
| 107 | Dynamics | 26 | 1.6K | 1 | 1 |
| 108 | Hydrology | 26 | 1.6K | 3 | 5 |
| 109 | Geophysics | 2 | 1.6K | 7 | 1 |
| 110 | Environmental Science | 63 | 1.6K | 6 | 10 |
| 111 | Environmental Engineering | 39 | 1.5K | 4 | 5 |
| 112 | Oceanography | 38 | 1.5K | 91 | 137 |
| 113 | Mathematics | 31 | 1.5K | 4 | 7 |
| 114 | Sustainable Engineering | 29 | 1.5K | 12 | 12 |
| 115 | Environmental Engineering | 34 | 1.5K | 7 | 13 |
| 116 | Environmental Engineering | 26 | 1.5K | 20 | 23 |
| 117 | Environmental Engineering | 19 | 1.5K | 8 | 3 |
| 118 | Geography | 20 | 1.5K | 18 | 13 |
| 119 | Environmental Engineering | 32 | 1.5K | 6 | 2 |
| 120 | Geography | 13 | 1.5K | 12 | 9 |
| 121 | Environmental Engineering | 13 | 1.5K | 7 | 4 |
| 122 | Environmental Engineering | 30 | 1.4K | 6 | 4 |
| 123 | Geophysics | 14 | 1.4K | 153 | 76 |
| 124 | Geography | 7 | 1.4K | 28 | 4 |
| 125 | Environmental Engineering | 15 | 1.4K | 3 | 2 |
| 126 | Environmental Engineering | 33 | 1.4K | 12 | 22 |
| 127 | Mechanical Engineering | 43 | 1.4K | 3 | 6 |
| 128 | Systems Analysis | 21 | 1.4K | 51 | 55 |
| 129 | Architecture | 3 | 1.4K | 1 | 1 |
| 130 | Environmental Science | 43 | 1.4K | 3 | 7 |
| 131 | Geography | 26 | 1.3K | 2 | 6 |
| 132 | Geography | 16 | 1.3K | 17 | 18 |
| 133 | Environmental Engineering | 20 | 1.3K | 2 | 1 |
| 134 | Petroleum Engineering | 7 | 1.3K | 5 | 3 |
| 135 | Geology | 35 | 1.3K | 7 | 11 |
| 135 | Geophysics | 35 | 1.3K | 6 | 11 |
| 137 | Environmental Engineering | 46 | 1.3K | 6 | 19 |
| 138 | Civil Engineering | 24 | 1.3K | 1 | 1 |
| 139 | Geography | 22 | 1.3K | 12 | 14 |
| 140 | Geography | 10 | 1.3K | 10 | 5 |
| 141 | Machine Learning | 4 | 1.3K | 2 | 1 |
| 142 | Environmental Systems | 36 | 1.3K | 1 | 1 |
| 143 | Environmental Engineering | 19 | 1.2K | 1 | 3 |
| 144 | Architectural Engineering | 24 | 1.2K | 2 | 2 |
| 145 | Geography | 15 | 1.2K | 1 | 1 |
| 146 | Dynamics | 6 | 1.2K | 167 | 29 |
| 147 | Geography | 8 | 1.2K | 54 | 23 |
| 148 | Ecology | 16 | 1.2K | 310 | 177 |
| 149 | Geography | 15 | 1.2K | 14 | 11 |
| 150 | Environmental Engineering | 27 | 1.2K | 30 | 36 |
| 151 | Environmental Science | 9 | 1.2K | 13 | 6 |
| 152 | Earth Science | 10 | 1.2K | 11 | 16 |
| 153 | Earth Science | 2 | 1.1K | 5 | 1 |
| 154 | Environmental Engineering | 5 | 1.1K | 1 | 1 |
| 155 | Civil Engineering | 15 | 1.1K | 6 | 5 |
| 156 | Agronomy | 17 | 1.1K | 34 | 35 |
| 157 | Meteorology | 10 | 1.1K | 78 | 45 |
| 158 | Earth Science | 1 | 1.1K | 5 | 1 |
| 158 | Geology | 1 | 1.1K | 4 | 1 |
| 160 | Mathematics | 12 | 1.1K | 3 | 2 |
| 161 | Landscape Architecture | 6 | 1.1K | 2 | 2 |
| 161 | Environmental Planning | 6 | 1.1K | 2 | 2 |
| 163 | Environmental Engineering | 30 | 1.1K | 13 | 14 |
| 164 | Petroleum Engineering | 19 | 1.1K | 8 | 6 |
| 165 | Hydrology | 18 | 1.1K | 1 | 2 |
| 166 | Environmental Systems | 16 | 1.1K | 16 | 13 |
| 167 | Environmental Engineering | 23 | 1.1K | 11 | 13 |
| 167 | Hydraulic Engineering | 15 | 1.1K | 2 | 3 |
| 169 | Environmental Engineering | 27 | 1.0K | 5 | 15 |
| 170 | Environmental Engineering | 28 | 1.0K | 3 | 2 |
| 171 | Surveying | 14 | 1.0K | 9 | 8 |
| 172 | Biology | 7 | 1.0K | 148 | 77 |
| 173 | Atmospheric Science | 8 | 1.0K | 3 | 1 |
| 174 | Environmental Engineering | 21 | 1.0K | 2 | 3 |
| 175 | Earth Science | 23 | 1.0K | 1 | 2 |
| 175 | Ecology | 25 | 1.0K | 47 | 49 |
| 177 | Environmental Engineering | 9 | 978 | 5 | 4 |
| 178 | Civil Engineering | 13 | 974 | 49 | 29 |
| 179 | Civil Engineering | 20 | 946 | 13 | 8 |
| 180 | Geography | 32 | 945 | 102 | 127 |
| 181 | Chemical Engineering | 22 | 944 | 17 | 24 |
| 182 | Civil Engineering | 15 | 939 | 15 | 13 |
| 183 | Biology | 7 | 937 | 90 | 61 |
| 184 | Geography | 15 | 936 | 3 | 2 |
| 185 | Land Use Planning | 15 | 933 | 1 | 2 |
| 185 | Dynamics | 23 | 933 | 3 | 9 |
| 187 | Hydrology | 17 | 927 | 1 | 1 |
| 187 | Hydraulic Engineering | 17 | 927 | 1 | 1 |
| 189 | Geography | 8 | 921 | 51 | 32 |
| 189 | Mathematics | 8 | 921 | 20 | 3 |
| 191 | Landscape Ecology | 6 | 920 | 7 | 1 |
| 192 | Biology | 10 | 917 | 82 | 82 |
| 193 | Hydraulic Engineering | 16 | 915 | 8 | 4 |
| 194 | Environmental Engineering | 28 | 914 | 15 | 26 |
| 194 | Civil Engineering | 8 | 914 | 25 | 9 |
| 196 | Architectural Engineering | 39 | 908 | 1 | 3 |
| 197 | Statistics | 7 | 907 | 20 | 4 |
| 198 | Mathematics | 8 | 905 | 16 | 9 |
| 199 | Mathematics | 11 | 900 | 74 | 28 |
| 200 | Geography | 16 | 898 | 6 | 7 |
| 201 | Environmental Engineering | 3 | 896 | 53 | 4 |
| 202 | Materials Engineering | 22 | 893 | 8 | 9 |
| 203 | Hydrology | 14 | 890 | 3 | 1 |
| 204 | Meteorology | 9 | 888 | 6 | 7 |
| 205 | Civil Engineering | 9 | 871 | 51 | 14 |
| 206 | Geophysics | 3 | 862 | 47 | 2 |
| 206 | Geology | 3 | 862 | 48 | 2 |
| 206 | Environmental Systems | 12 | 862 | 3 | 3 |
| 209 | Civil Engineering | 23 | 860 | 14 | 17 |
| 210 | Environmental Engineering | 15 | 858 | 1 | 1 |
| 211 | Geophysics | 14 | 852 | 4 | 1 |
| 212 | Hydrology | 18 | 848 | 2 | 1 |
| 213 | Environmental Engineering | 3 | 840 | 17 | 2 |
| 214 | Environmental Systems | 2 | 836 | 34 | 12 |
| 215 | Environmental Health | 20 | 834 | 35 | 66 |
| 216 | Hydrology | 7 | 832 | 2 | 3 |
| 217 | Economics | 6 | 831 | 910 | 266 |
| 218 | Chemical Engineering | 3 | 828 | 53 | 10 |
| 219 | Microbiology | 14 | 822 | 9 | 6 |
| 219 | Hydrology | 14 | 822 | 2 | 1 |
| 221 | Geography | 24 | 821 | 4 | 19 |
| 222 | Ecology | 5 | 812 | 119 | 75 |
| 222 | Evolutionary Biology | 5 | 812 | 115 | 75 |
| 224 | Chemical Engineering | 22 | 808 | 44 | 55 |
| 225 | Geography | 4 | 804 | 30 | 9 |
| 226 | Environmental Engineering | 17 | 799 | 1 | 1 |
| 227 | Civil Engineering | 8 | 796 | 16 | 10 |
| 228 | Civil Engineering | 11 | 793 | 8 | 2 |
| 229 | Geography | 5 | 787 | 3 | 1 |
| 230 | Civil Engineering | 14 | 786 | 1 | 1 |
| 231 | Structural Engineering | 22 | 781 | 16 | 26 |
| 232 | Probability | 16 | 773 | 25 | 18 |
| 233 | Physical Geography | 5 | 771 | 14 | 7 |
| 234 | Mathematical Modeling | 2 | 770 | 5 | 2 |
| 235 | Economics | 18 | 769 | 2 | 1 |
| 236 | Civil Engineering | 16 | 765 | 16 | 14 |
| 237 | Geotechnical Engineering | 11 | 764 | 1 | 1 |
| 238 | Chemistry | 3 | 760 | 102 | 25 |
| 239 | Geology | 14 | 759 | 7 | 11 |
| 239 | Biology | 3 | 759 | 3 | 3 |
| 241 | Mathematics | 13 | 758 | 82 | 72 |
| 242 | Environmental Science | 20 | 757 | 7 | 14 |
| 243 | Environmental Engineering | 9 | 755 | 1 | 1 |
| 244 | Economics | 20 | 751 | 158 | 92 |
| 244 | Environmental Engineering | 21 | 751 | 5 | 10 |
| 246 | Applied Mathematics | 5 | 750 | 48 | 24 |
| 247 | Geography | 8 | 747 | 20 | 13 |
| 248 | Geography | 13 | 746 | 11 | 14 |
| 249 | Water Resources Engineering | 19 | 743 | 1 | 2 |
| 250 | Statistics | 15 | 741 | 7 | 4 |
| 250 | Dynamics | 1 | 741 | 22 | 1 |
| 250 | Probability | 15 | 741 | 6 | 3 |
| 253 | Propulsion | 12 | 738 | 1 | 3 |
| 254 | Geology | 13 | 733 | 20 | 25 |
| 255 | Geography | 11 | 732 | 1 | 3 |
| 256 | Education | 10 | 731 | 9 | 8 |
| 257 | Environmental Engineering | 24 | 730 | 5 | 16 |
| 258 | Environmental Engineering | 11 | 729 | 2 | 3 |
| 259 | Environmental Science | 15 | 725 | 70 | 60 |
| 260 | Education | 3 | 717 | 17 | 1 |
| 260 | Geochemistry | 3 | 717 | 1 | 1 |
| 262 | Geography | 20 | 712 | 29 | 62 |
| 263 | Environmental Engineering | 6 | 710 | 19 | 8 |
| 263 | Environmental Engineering | 18 | 710 | 5 | 6 |
| 265 | Geography | 8 | 708 | 30 | 16 |
| 266 | Ecology | 6 | 698 | 69 | 31 |
| 267 | Hydrology | 20 | 696 | 1 | 1 |
| 268 | Civil Engineering | 10 | 692 | 18 | 10 |
| 269 | Environmental Engineering | 14 | 690 | 1 | 2 |
| 270 | Civil Engineering | 14 | 689 | 3 | 5 |
| 270 | Physical Geography | 4 | 689 | 3 | 3 |
| 272 | Public Policy | 7 | 685 | 30 | 10 |
| 273 | Water Resources Engineering | 17 | 680 | 1 | 1 |
| 274 | Hydrogeology | 3 | 677 | 1 | 1 |
| 275 | Environmental Health | 5 | 674 | 78 | 38 |
| 276 | Biology | 6 | 672 | 146 | 90 |
| 276 | Agronomy | 14 | 672 | 59 | 72 |
| 278 | Ecology | 2 | 669 | 105 | 29 |
| 279 | Geography | 8 | 666 | 67 | 45 |
| 280 | Petroleum Engineering | 16 | 664 | 14 | 26 |
| 281 | Civil Engineering | 8 | 660 | 57 | 26 |
| 282 | Education | 22 | 659 | 68 | 92 |
| 283 | Petroleum Engineering | 3 | 656 | 30 | 12 |
| 284 | Geology | 7 | 653 | 8 | 7 |
| 284 | Hydrology | 11 | 653 | 4 | 4 |
| 286 | Geography | 11 | 649 | 1 | 6 |
| 287 | Environmental Geology | 17 | 646 | 53 | 53 |
| 287 | Hydrogeology | 4 | 646 | 2 | 1 |
| 289 | Environmental Engineering | 25 | 645 | 13 | 28 |
| 290 | Hydrology | 15 | 644 | 1 | 1 |
| 291 | Biology | 6 | 643 | 156 | 123 |
| 292 | Chemistry | 12 | 640 | 7 | 5 |
| 293 | Geophysics | 7 | 635 | 96 | 67 |
| 294 | Chemical Engineering | 14 | 632 | 123 | 123 |
| 295 | Hydrogeology | 2 | 628 | 2 | 1 |
| 296 | Geography | 5 | 627 | 111 | 58 |
| 297 | Geography | 11 | 624 | 11 | 19 |
| 298 | Environmental Systems | 7 | 623 | 2 | 1 |
| 299 | Environmental Engineering | 11 | 622 | 8 | 6 |
| 300 | Environmental Engineering | 25 | 621 | 8 | 19 |
| 301 | Civil Engineering | 6 | 614 | 3 | 4 |
| 302 | Geography | 8 | 613 | 23 | 22 |
| 302 | Environmental Engineering | 15 | 613 | 8 | 10 |
| 302 | Ecological Engineering | 12 | 613 | 1 | 1 |
| 305 | Mathematics | 16 | 611 | 50 | 49 |
| 305 | Environmental Engineering | 16 | 611 | 1 | 1 |
| 307 | Civil Engineering | 10 | 606 | 34 | 32 |
| 308 | Geography | 2 | 601 | 26 | 1 |
| 309 | Building engineering | 22 | 600 | 10 | 20 |
| 310 | Environmental Engineering | 19 | 596 | 13 | 22 |
| 310 | Hydrology | 7 | 596 | 42 | 15 |
| 312 | Hydrology | 8 | 594 | 1 | 2 |
| 313 | Heat Transfer | 16 | 592 | 1 | 2 |
| 313 | Fluid Mechanics | 16 | 592 | 1 | 2 |
| 313 | Environmental Science | 11 | 592 | 5 | 10 |
| 316 | Environmental Systems | 17 | 591 | 30 | 35 |
| 317 | Environmental Engineering | 19 | 590 | 5 | 7 |
| 317 | Propulsion | 2 | 590 | 1 | 1 |
| 319 | Hydraulic Engineering | 5 | 587 | 1 | 1 |
| 320 | Civil Engineering | 5 | 584 | 1 | 3 |
| 321 | Civil Engineering | 9 | 583 | 2 | 2 |
| 321 | Geochemistry | 14 | 583 | 1 | 3 |
| 323 | Environmental Engineering | 17 | 582 | 18 | 37 |
| 323 | Environmental Engineering | 4 | 582 | 2 | 3 |
| 325 | Environmental Engineering | 15 | 580 | 6 | 12 |
| 326 | Geography | 8 | 579 | 45 | 32 |
| 327 | Civil Engineering | 27 | 578 | 50 | 65 |
| 328 | Earth Science | 1 | 577 | 38 | 1 |
| 329 | Geology | 21 | 575 | 15 | 28 |
| 329 | Geophysics | 21 | 575 | 12 | 28 |
| 329 | Environmental Systems | 5 | 575 | 19 | 17 |
| 332 | Resource Economics | 15 | 574 | 7 | 5 |
| 332 | Geography | 33 | 574 | 3 | 10 |
| 334 | Ecology | 10 | 569 | 97 | 94 |
| 334 | Civil Engineering | 16 | 569 | 2 | 8 |
| 336 | Environmental Engineering | 7 | 566 | 32 | 18 |
| 337 | Computer Science | 6 | 565 | 61 | 47 |
| 338 | Systems Engineering | 12 | 560 | 39 | 42 |
| 339 | Architecture | 10 | 556 | 1 | 2 |
| 340 | Political Science | 4 | 555 | 12 | 2 |
| 341 | Civil Engineering | 10 | 553 | 35 | 32 |
| 342 | Environmental Engineering | 13 | 551 | 13 | 9 |
| 342 | Surveying | 2 | 551 | 1 | 1 |
| 344 | Geography | 10 | 550 | 38 | 35 |
| 344 | Economics | 2 | 550 | 46 | 6 |
| 344 | Hydrology | 7 | 550 | 1 | 1 |
| 344 | Economics | 2 | 550 | 2 | 1 |
| 348 | Hydraulic Engineering | 3 | 549 | 24 | 5 |
| 349 | Ecology | 15 | 546 | 28 | 50 |
| 350 | Civil Engineering | 13 | 545 | 27 | 21 |
| 351 | Petroleum Engineering | 11 | 543 | 13 | 9 |
| 352 | Environmental Physics | 11 | 542 | 10 | 8 |
| 353 | Environmental Engineering | 13 | 540 | 8 | 13 |
| 354 | Hydrology | 17 | 537 | 1 | 1 |
| 354 | Environmental Physics | 8 | 537 | 1 | 1 |
| 356 | Ecology | 6 | 535 | 120 | 101 |
| 357 | Hydrology | 7 | 534 | 5 | 11 |
| 358 | Civil Engineering | 5 | 533 | 10 | 3 |
| 359 | Civil Engineering | 17 | 532 | 45 | 62 |
| 360 | Civil Engineering | 5 | 531 | 26 | 11 |
| 361 | Geography | 15 | 525 | 4 | 14 |
| 362 | Botany | 11 | 524 | 24 | 37 |
| 362 | Environmental Engineering | 7 | 524 | 3 | 1 |
| 364 | Geology | 1 | 520 | 10 | 1 |
| 365 | Surveying | 12 | 519 | 37 | 30 |
| 366 | Hydraulic Engineering | 5 | 515 | 1 | 3 |
| 367 | Biology | 1 | 512 | 499 | 117 |
| 368 | Sustainable Development | 11 | 509 | 60 | 86 |
| 369 | Geography | 9 | 507 | 4 | 5 |
| 370 | Geography | 13 | 503 | 4 | 9 |
| 371 | Economics | 1 | 496 | 204 | 31 |
| 371 | Econometrics | 1 | 496 | 66 | 7 |
| 371 | Systems Engineering | 4 | 496 | 21 | 7 |
| 374 | Computer Science | 4 | 494 | 128 | 67 |
| 375 | Environmental Engineering | 7 | 492 | 5 | 6 |
| 376 | Geography | 8 | 491 | 25 | 23 |
| 377 | Environmental Systems | 7 | 490 | 1 | 1 |
| 378 | Geography | 7 | 485 | 23 | 21 |
| 379 | Mechanical Engineering | 16 | 484 | 8 | 4 |
| 379 | Fluid Mechanics | 5 | 484 | 4 | 3 |
| 381 | Environmental Engineering | 7 | 482 | 3 | 8 |
| 382 | Architecture | 21 | 481 | 50 | 60 |
| 383 | Geography | 3 | 479 | 77 | 42 |
| 383 | Hydraulic Engineering | 1 | 479 | 1 | 1 |
| 385 | Environmental Engineering | 13 | 474 | 11 | 12 |
| 386 | Earth Science | 5 | 471 | 265 | 118 |
| 387 | Education | 2 | 468 | 56 | 2 |
| 387 | Statistics | 8 | 468 | 26 | 21 |
| 387 | Mathematics | 8 | 468 | 31 | 33 |
| 390 | Hydrology | 2 | 466 | 3 | 1 |
| 391 | Geography | 9 | 465 | 2 | 6 |
| 391 | Hydraulic Engineering | 2 | 465 | 1 | 2 |
| 393 | Geography | 10 | 463 | 46 | 54 |
| 393 | Civil Engineering | 9 | 463 | 1 | 1 |
| 393 | Geography | 8 | 463 | 5 | 4 |
| 396 | Hydropower | 27 | 462 | 14 | 24 |
| 396 | Meteorology | 11 | 462 | 1 | 3 |
| 396 | Hydraulic Engineering | 4 | 462 | 1 | 1 |
| 399 | Physical Geography | 4 | 461 | 1 | 5 |
| 399 | Systems Analysis | 4 | 461 | 2 | 6 |
| 401 | Geography | 6 | 458 | 15 | 15 |
| 401 | Civil Engineering | 5 | 458 | 3 | 5 |
| 401 | Civil Engineering | 8 | 458 | 19 | 24 |
| 401 | Systems Analysis | 6 | 458 | 1 | 1 |
| 405 | Civil Engineering | 14 | 457 | 27 | 24 |
| 405 | Environmental Engineering | 12 | 457 | 22 | 23 |
| 405 | Environmental Science | 3 | 457 | 111 | 43 |
| 408 | Civil Engineering | 12 | 455 | 7 | 7 |
| 408 | Environmental Engineering | 18 | 455 | 1 | 3 |
| 410 | Education | 18 | 454 | 18 | 24 |
| 410 | Public Policy | 2 | 454 | 8 | 2 |
| 412 | Applied Physics | 8 | 453 | 11 | 9 |
| 413 | Civil Engineering | 9 | 451 | 3 | 4 |
| 413 | Physical Geography | 14 | 451 | 9 | 24 |
| 413 | Hydrogeology | 12 | 451 | 1 | 1 |
| 416 | Landscape Architecture | 3 | 450 | 31 | 9 |
| 416 | Fluid Mechanics | 4 | 450 | 1 | 1 |
| 418 | Civil Engineering | 12 | 449 | 35 | 23 |
| 418 | Environmental Engineering | 21 | 449 | 4 | 13 |
| 420 | Atmospheric Science | 7 | 447 | 136 | 118 |
| 420 | Systems Engineering | 14 | 447 | 11 | 24 |
| 422 | Civil Engineering | 4 | 444 | 3 | 1 |
| 423 | Environmental Engineering | 13 | 443 | 11 | 22 |
| 424 | Geology | 13 | 441 | 19 | 22 |
| 424 | Hydrology | 7 | 441 | 11 | 15 |
| 424 | Hydraulic Engineering | 7 | 441 | 11 | 15 |
| 427 | Geography | 11 | 440 | 7 | 17 |
| 427 | Risk Management | 3 | 440 | 7 | 6 |
| 427 | Hydrology | 1 | 440 | 5 | 1 |
| 430 | Ecology | 2 | 439 | 127 | 18 |
| 430 | Remote Sensing | 12 | 439 | 91 | 88 |
| 432 | Ecology | 8 | 436 | 28 | 30 |
| 432 | Environmental Engineering | 7 | 436 | 2 | 3 |
| 434 | Rural Development | 2 | 434 | 31 | 6 |
| 435 | Civil Engineering | 17 | 431 | 16 | 9 |
| 436 | Water Resources Engineering | 2 | 428 | 2 | 2 |
| 437 | Geography | 7 | 427 | 32 | 25 |
| 437 | Geology | 13 | 427 | 4 | 11 |
| 437 | Water Resources Engineering | 5 | 427 | 1 | 1 |
| 440 | Statistics | 6 | 426 | 87 | 39 |
| 440 | Conservation Biology | 3 | 426 | 84 | 32 |
| 442 | Materials Science | 12 | 425 | 51 | 73 |
| 442 | Geology | 9 | 425 | 27 | 27 |
| 442 | Risk Management | 9 | 425 | 26 | 39 |
| 442 | Hydrology | 2 | 425 | 6 | 2 |
| 446 | Ecology | 5 | 424 | 13 | 13 |
| 446 | Environmental Engineering | 9 | 424 | 1 | 2 |
| 446 | Regional Planning | 6 | 424 | 17 | 14 |
| 446 | Hydrology | 13 | 424 | 8 | 18 |
| 450 | Environmental Engineering | 2 | 421 | 1 | 1 |
| 451 | Environmental Engineering | 6 | 420 | 3 | 3 |
| 452 | Environmental Engineering | 16 | 418 | 44 | 77 |
| 453 | Earth Science | 3 | 417 | 186 | 92 |
| 453 | Oceanography | 3 | 417 | 220 | 127 |
| 453 | Geography | 7 | 417 | 29 | 17 |
| 453 | Atmospheric Physics | 10 | 417 | 129 | 104 |
| 457 | Civil Engineering | 13 | 415 | 32 | 36 |
| 457 | Hydrology | 12 | 415 | 1 | 1 |
| 459 | Petroleum Engineering | 10 | 412 | 108 | 62 |
| 460 | Economics | 4 | 410 | 101 | 48 |
| 461 | Ecology | 1 | 408 | 148 | 14 |
| 462 | Environmental Engineering | 5 | 407 | 2 | 3 |
| 463 | Education | 11 | 405 | 335 | 301 |
| 463 | Agronomy | 4 | 405 | 100 | 74 |
| 465 | Environmental Science | 9 | 404 | 35 | 45 |
| 466 | Geography | 7 | 403 | 15 | 21 |
| 466 | Environmental Engineering | 13 | 403 | 11 | 24 |
| 466 | Environmental Science | 15 | 403 | 9 | 28 |
| 469 | Civil Engineering | 2 | 402 | 47 | 4 |
| 469 | Civil Engineering | 4 | 402 | 1 | 1 |
| 471 | Environmental Engineering | 13 | 399 | 3 | 7 |
| 472 | Computer Science | 2 | 397 | 147 | 50 |
| 472 | Geography | 2 | 397 | 19 | 6 |
| 472 | Mathematics | 2 | 397 | 164 | 57 |
| 475 | Biology | 4 | 396 | 280 | 125 |
| 475 | Architectural Engineering | 12 | 396 | 19 | 16 |
| 477 | Geography | 17 | 394 | 4 | 28 |
| 477 | Soil Science | 7 | 394 | 37 | 40 |
| 477 | Hydrology | 3 | 394 | 1 | 2 |
| 480 | Geography | 7 | 393 | 13 | 11 |
| 481 | Geography | 6 | 391 | 29 | 20 |
| 482 | Geology | 3 | 389 | 20 | 6 |
| 482 | Geography | 5 | 389 | 14 | 25 |
| 484 | Geophysics | 5 | 388 | 5 | 8 |
| 484 | Environmental Science | 8 | 388 | 4 | 4 |
| 486 | Environmental Engineering | 5 | 387 | 8 | 8 |
| 487 | Geology | 9 | 385 | 20 | 34 |
| 488 | Geography | 6 | 384 | 1 | 8 |
| 489 | Environmental Science | 9 | 383 | 28 | 32 |
| 490 | Hydraulic Engineering | 4 | 381 | 1 | 1 |
| 491 | Civil Engineering | 5 | 380 | 5 | 4 |
| 492 | Civil Engineering | 13 | 379 | 3 | 8 |
| 492 | Agroforestry | 5 | 379 | 112 | 91 |
| 494 | Architectural Engineering | 6 | 378 | 1 | 4 |
| 494 | Fluid Dynamics | 6 | 378 | 1 | 1 |
| 496 | Soil Science | 2 | 376 | 11 | 4 |
| 497 | Civil Engineering | 14 | 375 | 18 | 26 |
| 498 | Mathematics | 7 | 372 | 20 | 6 |
| 499 | Geophysics | 2 | 371 | 25 | 4 |
| 499 | Environmental Engineering | 4 | 371 | 8 | 7 |
| 501 | Urban Planning | 6 | 370 | 54 | 44 |
| 502 | Civil Engineering | 4 | 369 | 6 | 2 |
| 503 | Environmental Science | 7 | 368 | 21 | 22 |
| 504 | Structural Engineering | 1 | 367 | 229 | 76 |
| 504 | Environmental Physics | 10 | 367 | 30 | 37 |
| 506 | Civil Engineering | 6 | 365 | 5 | 7 |
| 507 | Education | 7 | 364 | 293 | 139 |
| 508 | Environmental Engineering | 18 | 363 | 11 | 22 |
| 509 | Environmental Engineering | 5 | 361 | 13 | 12 |
| 509 | Soil Science | 2 | 361 | 99 | 43 |
| 511 | Applied Mathematics | 6 | 359 | 40 | 46 |
| 511 | Process Control | 6 | 359 | 9 | 10 |
| 511 | Freshwater Ecology | 16 | 359 | 2 | 10 |
| 514 | Civil Engineering | 3 | 358 | 87 | 58 |
| 514 | Meteorology | 7 | 358 | 57 | 59 |
| 516 | Environmental Engineering | 9 | 357 | 34 | 53 |
| 517 | Agroecology | 8 | 356 | 69 | 67 |
| 518 | Biology | 2 | 354 | 31 | 24 |
| 519 | Civil Engineering | 7 | 353 | 41 | 25 |
| 520 | Ecology | 6 | 352 | 73 | 73 |
| 521 | Hydrology | 9 | 351 | 11 | 14 |
| 522 | Civil Engineering | 5 | 350 | 4 | 7 |
| 522 | Hydraulic Engineering | 4 | 350 | 4 | 3 |
| 524 | Public Health | 2 | 349 | 1122 | 423 |
| 524 | Geology | 2 | 349 | 13 | 4 |
| 524 | Geophysics | 2 | 349 | 13 | 4 |
| 524 | Economics | 2 | 349 | 74 | 23 |
| 528 | Geography | 7 | 347 | 19 | 39 |
| 528 | Geography | 1 | 347 | 121 | 11 |
| 530 | Geology | 4 | 346 | 30 | 23 |
| 530 | Geography | 2 | 346 | 148 | 51 |
| 532 | Ecology | 8 | 344 | 89 | 131 |
| 532 | Computer Science | 2 | 344 | 119 | 30 |
| 532 | Evolutionary Biology | 8 | 344 | 89 | 126 |
| 535 | Agricultural Engineering | 10 | 343 | 2 | 5 |
| 535 | Systems Engineering | 15 | 343 | 17 | 27 |
| 537 | Mining Engineering | 4 | 342 | 1 | 1 |
| 538 | Microbiology | 3 | 341 | 227 | 137 |
| 539 | Geography | 4 | 340 | 28 | 14 |
| 539 | Geology | 11 | 340 | 16 | 26 |
| 539 | Dynamics | 12 | 340 | 5 | 20 |
| 542 | Geography | 4 | 338 | 6 | 3 |
| 543 | Environmental Engineering | 6 | 337 | 3 | 3 |
| 543 | Civil Engineering | 14 | 337 | 30 | 49 |
| 545 | Freshwater Ecology | 22 | 336 | 7 | 45 |
| 546 | Remote Sensing | 3 | 334 | 6 | 3 |
| 547 | Computer Science | 1 | 333 | 315 | 64 |
| 548 | Surveying | 2 | 332 | 11 | 3 |
| 549 | Geography | 8 | 330 | 61 | 81 |
| 550 | Geology | 5 | 329 | 43 | 37 |
| 550 | Dynamics | 4 | 329 | 3 | 5 |
| 552 | Environmental Engineering | 6 | 328 | 4 | 7 |
| 552 | Environmental Engineering | 8 | 328 | 19 | 22 |
| 552 | Resource Economics | 7 | 328 | 7 | 15 |
| 555 | Petroleum Engineering | 5 | 327 | 15 | 10 |
| 555 | Geography | 9 | 327 | 29 | 42 |
| 557 | Biology | 3 | 326 | 174 | 95 |
| 558 | Oceanography | 10 | 325 | 36 | 58 |
| 558 | Applied Mathematics | 9 | 325 | 3 | 7 |
| 560 | Geography | 7 | 324 | 90 | 91 |
| 560 | Geography | 9 | 324 | 8 | 16 |
| 560 | Environmental Physics | 7 | 324 | 1 | 1 |
| 563 | Epidemiology | 1 | 323 | 905 | 263 |
| 563 | Statistics | 1 | 323 | 213 | 59 |
| 563 | Statistics | 7 | 323 | 5 | 12 |
| 566 | Geology | 10 | 322 | 2 | 6 |
| 566 | Civil Engineering | 6 | 322 | 6 | 8 |
| 566 | Environmental Science | 3 | 322 | 3 | 4 |
| 569 | Agricultural Economics | 4 | 321 | 17 | 5 |
| 569 | Environmental Systems | 2 | 321 | 20 | 2 |
| 571 | Civil Engineering | 9 | 320 | 70 | 61 |
| 571 | Civil Engineering | 11 | 320 | 21 | 19 |
| 573 | Geography | 7 | 319 | 42 | 60 |
| 573 | Fluid Mechanics | 6 | 319 | 12 | 10 |
| 575 | Agricultural Economics | 6 | 318 | 13 | 11 |
| 576 | Meteorology | 2 | 316 | 14 | 5 |
| 577 | Civil Engineering | 5 | 315 | 6 | 5 |
| 577 | Hydrology | 2 | 315 | 1 | 2 |
| 579 | Geography | 2 | 314 | 87 | 50 |
| 579 | Environmental Science | 2 | 314 | 77 | 47 |
| 581 | Geography | 7 | 313 | 16 | 22 |
| 581 | Astrobiology | 1 | 313 | 121 | 50 |
| 583 | Sustainability Science | 4 | 312 | 10 | 10 |
| 584 | Electrical Engineering | 1 | 311 | 25 | 7 |
| 585 | Biomedical Engineering | 1 | 310 | 342 | 104 |
| 585 | Regional Planning | 3 | 310 | 1 | 1 |
| 587 | Soil Mechanics | 6 | 309 | 107 | 69 |
| 588 | Geography | 3 | 308 | 174 | 110 |
| 588 | Physical Geography | 5 | 308 | 1 | 4 |
| 588 | Environmental Engineering | 13 | 308 | 1 | 4 |
| 591 | Biology | 1 | 307 | 15 | 3 |
| 591 | Biochemistry | 3 | 307 | 7 | 4 |
| 593 | Atmospheric Science | 1 | 306 | 6 | 3 |
| 593 | Environmental Engineering | 1 | 306 | 3 | 2 |
| 593 | Systems Modeling | 1 | 306 | 1 | 1 |
| 596 | Plasma Physics | 8 | 305 | 7 | 10 |
| 596 | Education | 14 | 305 | 192 | 289 |
| 596 | Environmental Science | 6 | 305 | 8 | 16 |
| 596 | Reservoir Engineering | 3 | 305 | 6 | 4 |
| 596 | Municipal Engineering | 6 | 305 | 2 | 3 |
| 601 | Environmental Engineering | 7 | 303 | 17 | 29 |
| 602 | Petroleum Engineering | 13 | 302 | 63 | 103 |
| 603 | Architecture | 2 | 301 | 54 | 14 |
| 603 | Hydraulic Engineering | 14 | 301 | 12 | 29 |
| 603 | Construction Engineering | 11 | 301 | 28 | 32 |
| 603 | Environmental Science | 8 | 301 | 25 | 34 |
| 603 | Sustainable Development | 8 | 301 | 14 | 20 |
| 608 | Civil Engineering | 5 | 300 | 82 | 68 |
| 609 | Geology | 3 | 297 | 13 | 8 |
| 609 | Water Resources Engineering | 30 | 297 | 3 | 4 |
| 611 | Hydrogeology | 13 | 296 | 1 | 1 |
| 612 | Geography | 8 | 293 | 3 | 5 |
| 612 | Civil Engineering | 7 | 293 | 26 | 31 |
| 612 | Environmental Engineering | 3 | 293 | 23 | 14 |
| 612 | Environmental Engineering | 7 | 293 | 8 | 9 |
| 616 | Civil Engineering | 8 | 292 | 49 | 44 |
| 616 | Mining Engineering | 5 | 292 | 37 | 30 |
| 618 | Ecology | 8 | 291 | 93 | 148 |
| 618 | Ecology | 5 | 291 | 30 | 34 |
| 618 | Geography | 8 | 291 | 27 | 40 |
| 621 | Geology | 6 | 290 | 1 | 2 |
| 622 | Remote Sensing | 6 | 289 | 37 | 39 |
| 622 | Geography | 3 | 289 | 33 | 16 |
| 622 | Hydrology | 5 | 289 | 1 | 3 |
| 622 | Environmental Engineering | 4 | 289 | 34 | 17 |
| 626 | Mechanical Engineering | 2 | 288 | 242 | 109 |
| 626 | Environmental Health | 1 | 288 | 5 | 2 |
| 628 | Civil Engineering | 7 | 286 | 50 | 57 |
| 628 | Soil Science | 4 | 286 | 33 | 40 |
| 628 | Research and Education | 4 | 286 | 6 | 11 |
| 628 | Environmental Engineering | 4 | 286 | 14 | 17 |
| 632 | Chemistry | 1 | 285 | 342 | 105 |
| 633 | Geography | 6 | 283 | 26 | 31 |
| 634 | Civil Engineering | 4 | 282 | 30 | 29 |
| 635 | Geography | 4 | 280 | 101 | 93 |
| 636 | Civil Engineering | 2 | 279 | 11 | 15 |
| 636 | Remote Sensing | 2 | 279 | 56 | 32 |
| 638 | Applied Mathematics | 9 | 278 | 25 | 39 |
| 639 | Environmental Engineering | 13 | 277 | 9 | 31 |
| 639 | Civil Engineering | 6 | 277 | 27 | 30 |
| 639 | Architecture | 6 | 277 | 28 | 29 |
| 639 | Civil Engineering | 5 | 277 | 49 | 27 |
| 639 | Geology | 3 | 277 | 21 | 18 |
| 639 | Geography | 3 | 277 | 2 | 6 |
| 645 | Civil Engineering | 4 | 276 | 157 | 84 |
| 646 | Mathematics | 7 | 275 | 101 | 61 |
| 646 | Water Resources Engineering | 11 | 275 | 1 | 13 |
| 646 | Environmental Science | 3 | 275 | 2 | 8 |
| 646 | Hydrogeology | 14 | 275 | 1 | 1 |
| 650 | Civil Engineering | 10 | 274 | 39 | 49 |
| 651 | Geography | 7 | 272 | 12 | 12 |
| 651 | Hydrology | 6 | 272 | 2 | 4 |
| 651 | Architecture | 6 | 272 | 26 | 29 |
| 654 | Economics | 3 | 271 | 36 | 20 |
| 654 | Physical Geography | 1 | 271 | 5 | 6 |
| 654 | Hydrology | 1 | 271 | 3 | 2 |
| 654 | Environmental Engineering | 1 | 271 | 1 | 1 |
| 658 | Ecology | 2 | 270 | 116 | 62 |
| 658 | Environmental Systems | 5 | 270 | 1 | 8 |
| 660 | Geology | 3 | 269 | 13 | 11 |
| 660 | Hydrology | 5 | 269 | 1 | 1 |
| 662 | Environmental Engineering | 6 | 268 | 12 | 24 |
| 662 | Civil Engineering | 8 | 268 | 3 | 2 |
| 662 | Environmental Engineering | 11 | 268 | 112 | 199 |
| 662 | Environmental Engineering | 1 | 268 | 41 | 1 |
| 666 | Geography | 6 | 267 | 1 | 2 |
| 666 | Mechanical Engineering | 6 | 267 | 93 | 43 |
| 668 | Environmental Science | 5 | 266 | 15 | 33 |
| 669 | Economics | 12 | 265 | 22 | 78 |
| 669 | Remote Sensing | 6 | 265 | 156 | 111 |
| 671 | Mechanical Engineering | 4 | 264 | 381 | 257 |
| 671 | Hydrology | 5 | 264 | 3 | 5 |
| 673 | Civil Engineering | 2 | 263 | 3 | 1 |
| 673 | Geography | 1 | 263 | 63 | 16 |
| 673 | Surveying | 5 | 263 | 160 | 98 |
| 673 | Geology | 2 | 263 | 38 | 21 |
| 673 | Ecology | 11 | 263 | 45 | 57 |
| 673 | Hydrology | 11 | 263 | 45 | 57 |
| 679 | Oceanography | 2 | 262 | 30 | 17 |
| 679 | Geology | 6 | 262 | 8 | 13 |
| 681 | Planetary Science | 1 | 261 | 6 | 1 |
| 682 | Civil Engineering | 2 | 260 | 52 | 9 |
| 683 | Agricultural Engineering | 6 | 258 | 1 | 1 |
| 684 | Planetary Science | 7 | 257 | 4 | 9 |
| 684 | Economics | 1 | 257 | 16 | 5 |
| 684 | Economics | 1 | 257 | 29 | 16 |
| 684 | Environmental Science | 1 | 257 | 26 | 12 |
| 684 | Economic History | 1 | 257 | 1 | 2 |
| 689 | Ecology | 4 | 256 | 96 | 85 |
| 689 | Environmental Science | 4 | 256 | 36 | 15 |
| 691 | Geology | 5 | 255 | 17 | 17 |
| 691 | Civil Engineering | 7 | 255 | 9 | 15 |
| 691 | Public Health | 4 | 255 | 26 | 14 |
| 691 | Geomorphology | 3 | 255 | 1 | 2 |
| 695 | Architecture | 7 | 254 | 19 | 25 |
| 695 | Geography | 6 | 254 | 57 | 81 |
| 695 | Mathematics | 5 | 254 | 74 | 89 |
| 695 | Environmental Engineering | 9 | 254 | 8 | 16 |
| 695 | Public Policy | 3 | 254 | 4 | 6 |
| 695 | Urban Planning | 3 | 254 | 4 | 3 |
| 695 | Climatology | 3 | 254 | 4 | 1 |
| 702 | Civil Engineering | 3 | 253 | 48 | 32 |
| 702 | Geotechnical Engineering | 5 | 253 | 107 | 68 |
| 702 | Geology | 2 | 253 | 2 | 1 |
| 702 | Petroleum Engineering | 4 | 253 | 15 | 8 |
| 706 | Geography | 6 | 252 | 49 | 64 |
| 706 | Geophysics | 9 | 252 | 69 | 64 |
| 706 | Education | 4 | 252 | 51 | 27 |
| 706 | Biotechnology | 4 | 252 | 42 | 40 |
| 706 | Chemistry | 4 | 252 | 131 | 79 |
| 711 | Psychology | 1 | 251 | 701 | 243 |
| 711 | Geology | 4 | 251 | 11 | 6 |
| 711 | Psychology | 1 | 251 | 6 | 1 |
| 714 | Geography | 5 | 250 | 22 | 39 |
| 714 | Geography | 2 | 250 | 9 | 7 |
| 716 | Hydrology | 4 | 249 | 7 | 10 |
| 717 | Planetary Science | 1 | 248 | 6 | 1 |
| 717 | Forest Ecology | 5 | 248 | 14 | 19 |
| 717 | Chemistry | 2 | 248 | 80 | 27 |
| 720 | Chemistry | 2 | 247 | 12 | 4 |
| 720 | Nuclear Chemistry | 2 | 247 | 17 | 7 |
| 722 | Civil Engineering | 2 | 246 | 67 | 38 |
| 722 | Hydrology | 9 | 246 | 33 | 42 |
| 722 | Mineralogy | 2 | 246 | 3 | 2 |
| 722 | Environmental Engineering | 2 | 246 | 3 | 4 |
| 726 | Rock Mechanics | 13 | 245 | 4 | 11 |
| 726 | Structural Engineering | 13 | 245 | 10 | 15 |
| 728 | Zoology | 6 | 244 | 69 | 78 |
| 728 | Physiology | 6 | 244 | 68 | 77 |
| 728 | Remote Sensing | 2 | 244 | 14 | 11 |
| 731 | Ecology | 1 | 243 | 8 | 1 |
| 731 | Environmental Engineering | 4 | 243 | 1 | 1 |
| 731 | Environmental Engineering | 2 | 243 | 3 | 5 |
| 734 | Civil Engineering | 4 | 241 | 2 | 3 |
| 734 | Environmental Engineering | 2 | 241 | 2 | 8 |
| 736 | Biology | 1 | 240 | 81 | 29 |
| 736 | Biology | 1 | 240 | 409 | 110 |
| 736 | Environmental Engineering | 5 | 240 | 67 | 85 |
| 736 | Public Policy | 2 | 240 | 17 | 3 |
| 740 | Civil Engineering | 6 | 239 | 16 | 20 |
| 741 | Education | 6 | 238 | 272 | 182 |
| 741 | Water Resources Engineering | 9 | 238 | 20 | 30 |
| 741 | Dynamics | 1 | 238 | 20 | 5 |
| 741 | Crop Science | 1 | 238 | 221 | 90 |
| 741 | Crop Science | 1 | 238 | 592 | 227 |
| 746 | Civil Engineering | 10 | 237 | 49 | 78 |
| 746 | Hydrology | 6 | 237 | 47 | 75 |
| 748 | Mathematics | 7 | 235 | 119 | 125 |
| 748 | Statistics | 7 | 235 | 101 | 101 |
| 748 | Hydraulic Engineering | 3 | 235 | 1 | 1 |
| 748 | Hydropower | 12 | 235 | 49 | 59 |
| 748 | Hydropower | 5 | 235 | 4 | 2 |
| 753 | Education | 9 | 234 | 99 | 86 |
| 753 | Geography | 6 | 234 | 41 | 56 |
| 753 | Environmental Engineering | 4 | 234 | 40 | 30 |
| 756 | Civil Engineering | 2 | 233 | 96 | 39 |
| 756 | Economic Geology | 1 | 233 | 1 | 1 |
| 756 | Hydraulic Engineering | 1 | 233 | 1 | 1 |
| 756 | Hydraulic Engineering | 1 | 233 | 1 | 1 |
| 760 | Environmental Science | 2 | 232 | 35 | 19 |
| 760 | Hydrology | 3 | 232 | 8 | 6 |
| 760 | Hydraulic Engineering | 3 | 232 | 9 | 4 |
| 760 | Environmental Engineering | 2 | 232 | 8 | 6 |
| 764 | Chemistry | 4 | 231 | 31 | 29 |
| 764 | Dynamics | 4 | 231 | 1 | 2 |
| 764 | Offshore Engineering | 11 | 231 | 21 | 20 |
| 767 | Statistics | 5 | 230 | 70 | 63 |
| 767 | Civil Engineering | 5 | 230 | 2 | 5 |
| 767 | Computer Science | 3 | 230 | 138 | 83 |
| 767 | Geography | 4 | 230 | 20 | 27 |
| 767 | Geophysics | 2 | 230 | 18 | 16 |
| 767 | Environmental Engineering | 7 | 230 | 25 | 40 |
| 773 | Environmental Engineering | 3 | 229 | 1 | 1 |
| 774 | Environmental Engineering | 4 | 228 | 137 | 99 |
| 774 | Hydrogeology | 5 | 228 | 4 | 4 |
| 776 | Geography | 3 | 227 | 23 | 23 |
| 776 | Education | 14 | 227 | 20 | 39 |
| 776 | Earth Science | 2 | 227 | 50 | 27 |
| 776 | Geophysics | 3 | 227 | 30 | 29 |
| 776 | Geology | 5 | 227 | 8 | 12 |
| 781 | Geophysics | 3 | 224 | 23 | 23 |
| 781 | Geotechnical Engineering | 1 | 224 | 1 | 1 |
| 781 | Geography | 1 | 224 | 1 | 1 |
| 784 | Environmental Science | 3 | 223 | 1 | 2 |
| 785 | Public Health | 6 | 222 | 409 | 414 |
| 785 | Geology | 10 | 222 | 271 | 279 |
| 785 | Geography | 4 | 222 | 14 | 18 |
| 785 | Forest Ecology | 3 | 222 | 9 | 11 |
| 789 | Civil Engineering | 7 | 221 | 58 | 97 |
| 790 | Environmental Engineering | 9 | 220 | 89 | 122 |
| 790 | Geology | 3 | 220 | 65 | 61 |
| 790 | Geophysics | 3 | 220 | 53 | 61 |
| 790 | Mathematics | 4 | 220 | 77 | 17 |
| 790 | Mathematics | 4 | 220 | 3 | 1 |
| 790 | Construction Engineering | 6 | 220 | 35 | 38 |
| 790 | Hydrology | 4 | 220 | 2 | 2 |
| 797 | Earth Science | 1 | 219 | 31 | 6 |
| 797 | Geography | 1 | 219 | 23 | 9 |
| 797 | Environmental Engineering | 3 | 219 | 13 | 7 |
| 797 | Systems Analysis | 5 | 219 | 2 | 7 |
| 801 | Geology | 1 | 218 | 28 | 6 |
| 801 | Hydrology | 1 | 218 | 7 | 2 |
| 801 | Hydrology | 5 | 218 | 1 | 1 |
| 804 | Environmental Engineering | 2 | 217 | 3 | 1 |
| 804 | Environmental Engineering | 4 | 217 | 2 | 2 |
| 804 | Architecture | 9 | 217 | 5 | 21 |
| 804 | Remote Sensing | 4 | 217 | 77 | 35 |
| 804 | Environmental Science | 4 | 217 | 56 | 32 |
| 804 | Environmental Science | 5 | 217 | 23 | 24 |
| 810 | Geography | 5 | 216 | 13 | 23 |
| 810 | Soil Science | 7 | 216 | 35 | 53 |
| 810 | Hydraulic Engineering | 3 | 216 | 9 | 2 |
| 810 | Hydraulic Engineering | 3 | 216 | 1 | 1 |
| 810 | Geography | 3 | 216 | 1 | 1 |
| 815 | Geography | 5 | 215 | 5 | 14 |
| 815 | Geography | 4 | 215 | 43 | 50 |
| 815 | Civil Engineering | 2 | 215 | 35 | 24 |
| 815 | Civil Engineering | 8 | 215 | 37 | 42 |
| 815 | Hydrology | 7 | 215 | 1 | 5 |
| 820 | Earth Science | 7 | 213 | 3 | 20 |
| 820 | Civil Engineering | 3 | 213 | 16 | 23 |
| 820 | Soil Science | 1 | 213 | 36 | 13 |
| 820 | Civil Engineering | 1 | 213 | 1 | 1 |
| 820 | Reservoir Engineering | 1 | 213 | 1 | 1 |
| 825 | Geology | 2 | 212 | 32 | 27 |
| 825 | Agronomy | 2 | 212 | 40 | 16 |
| 825 | Geography | 7 | 212 | 3 | 7 |
| 825 | Civil Engineering | 3 | 212 | 43 | 22 |
| 825 | Civil Engineering | 3 | 212 | 18 | 11 |
| 825 | Fluid Mechanics | 9 | 212 | 1 | 2 |
| 825 | Complex Systems | 1 | 212 | 46 | 20 |
| 825 | Complex Systems | 1 | 212 | 12 | 7 |
| 833 | Water Resources Engineering | 2 | 211 | 7 | 5 |
| 833 | Hydrology | 8 | 211 | 1 | 1 |
| 835 | Geography | 4 | 210 | 9 | 10 |
| 835 | Geography | 1 | 210 | 29 | 6 |
| 835 | Environmental Engineering | 1 | 210 | 9 | 3 |
| 838 | Mechanical Engineering | 7 | 209 | 183 | 271 |
| 838 | Soil Science | 3 | 209 | 47 | 43 |
| 838 | Biomaterials | 2 | 209 | 115 | 45 |
| 838 | Hydrology | 2 | 209 | 18 | 14 |
| 838 | Optimization | 3 | 209 | 8 | 10 |
| 843 | Civil Engineering | 7 | 208 | 25 | 41 |
| 843 | Statistics | 4 | 208 | 26 | 24 |
| 843 | Geography | 4 | 208 | 16 | 11 |
| 846 | Geophysics | 1 | 207 | 17 | 7 |
| 846 | Environmental Science | 6 | 207 | 12 | 11 |
| 846 | Aerospace Engineering | 3 | 207 | 57 | 35 |
| 849 | Geography | 3 | 205 | 46 | 28 |
| 849 | Environmental Engineering | 6 | 205 | 53 | 45 |
| 849 | Environmental Science | 7 | 205 | 128 | 151 |
| 849 | Geology | 8 | 205 | 17 | 28 |
| 853 | Dynamics | 1 | 204 | 13 | 5 |
| 853 | Environmental Systems | 2 | 204 | 5 | 5 |
| 853 | Environmental Systems | 1 | 204 | 1 | 1 |
| 856 | Geology | 10 | 203 | 5 | 6 |
| 857 | Geophysics | 8 | 202 | 194 | 197 |
| 857 | Civil Engineering | 8 | 202 | 1 | 4 |
| 857 | Civil Engineering | 7 | 202 | 16 | 45 |
| 857 | Geography | 3 | 202 | 123 | 107 |
| 857 | Planetary Science | 4 | 202 | 11 | 22 |
| 857 | Geology | 8 | 202 | 196 | 197 |
| 857 | Global Ecology | 9 | 202 | 30 | 87 |
| 864 | Soil Science | 6 | 201 | 21 | 45 |
| 864 | Sustainability Science | 2 | 201 | 1 | 1 |
| 866 | Public Policy | 3 | 200 | 82 | 85 |
| 866 | Environmental Engineering | 4 | 200 | 1 | 1 |
| 868 | Hydraulic Engineering | 3 | 199 | 91 | 34 |
| 869 | Geography | 6 | 198 | 78 | 106 |
| 869 | Education | 2 | 198 | 115 | 50 |
| 869 | Environmental Engineering | 10 | 198 | 24 | 51 |
| 869 | Ecological Engineering | 4 | 198 | 1 | 1 |
| 873 | Geography | 8 | 197 | 49 | 55 |
| 873 | Geography | 3 | 197 | 127 | 100 |
| 873 | Civil Engineering | 4 | 197 | 28 | 23 |
| 873 | Architecture | 4 | 197 | 34 | 25 |
| 877 | Geology | 11 | 196 | 5 | 16 |
| 877 | Resource Economics | 7 | 196 | 6 | 9 |
| 877 | Civil Engineering | 1 | 196 | 1 | 1 |
| 880 | Atmospheric Science | 7 | 195 | 51 | 70 |
| 880 | Public Policy | 3 | 195 | 25 | 32 |
| 880 | Mining Engineering | 4 | 195 | 1 | 1 |
| 883 | Manufacturing Engineering | 3 | 194 | 85 | 45 |
| 884 | Public Health | 1 | 193 | 3151 | 1391 |
| 884 | Risk Analysis | 1 | 193 | 48 | 30 |
| 884 | Flow Assurance | 1 | 193 | 1 | 1 |
| 884 | Flow Assurance | 1 | 193 | 1 | 1 |
| 884 | Physical Geography | 1 | 193 | 2 | 2 |
| 884 | Hydrology | 3 | 193 | 13 | 12 |
| 890 | Cartography | 1 | 192 | 3 | 7 |
| 891 | Physical Oceanography | 1 | 191 | 82 | 37 |
| 891 | Science Education | 3 | 191 | 19 | 7 |
| 891 | Civil Engineering | 5 | 191 | 9 | 9 |
| 894 | Civil Engineering | 1 | 190 | 98 | 41 |
| 894 | Chemistry | 1 | 190 | 441 | 205 |
| 894 | Geophysics | 1 | 190 | 124 | 42 |
| 894 | Chemistry | 1 | 190 | 759 | 298 |
| 894 | Planetary Science | 1 | 190 | 9 | 9 |
| 894 | Agricultural Engineering | 3 | 190 | 47 | 37 |
| 894 | Dynamics | 3 | 190 | 3 | 3 |
| 894 | Ecology | 6 | 190 | 38 | 29 |
| 894 | Environmental Engineering | 1 | 190 | 11 | 1 |
| 894 | Environmental Engineering | 2 | 190 | 6 | 1 |
| 904 | Evolutionary Biology | 3 | 189 | 298 | 290 |
| 904 | Mechanical Engineering | 6 | 189 | 81 | 87 |
| 904 | Surveying | 2 | 189 | 63 | 24 |
| 904 | Hydrology | 8 | 189 | 6 | 12 |
| 908 | Environmental Engineering | 4 | 188 | 26 | 37 |
| 908 | Biology | 1 | 188 | 164 | 108 |
| 908 | Biology | 1 | 188 | 463 | 203 |
| 908 | Bioengineering | 8 | 188 | 1 | 2 |
| 908 | Architectural Engineering | 6 | 188 | 19 | 39 |
| 913 | Applied Mathematics | 7 | 187 | 1 | 3 |
| 913 | Mathematics | 6 | 187 | 156 | 119 |
| 913 | Geography | 1 | 187 | 2 | 1 |
| 913 | Ecology | 1 | 187 | 38 | 19 |
| 913 | Environmental Engineering | 1 | 187 | 6 | 3 |
| 913 | Ecology | 1 | 187 | 9 | 8 |
| 913 | Water Resources Engineering | 1 | 187 | 1 | 1 |
| 920 | Botany | 3 | 186 | 646 | 454 |
| 920 | Hydrology | 3 | 186 | 13 | 13 |
| 920 | Environmental Engineering | 3 | 186 | 30 | 15 |
| 920 | Earth Science | 6 | 186 | 35 | 53 |
| 924 | Environmental Science | 3 | 185 | 2 | 1 |
| 925 | Environmental Engineering | 4 | 184 | 2 | 2 |
| 925 | Hydrology | 1 | 184 | 4 | 2 |
| 927 | Physical Geography | 4 | 183 | 4 | 8 |
| 927 | Geology | 3 | 183 | 15 | 17 |
| 927 | Education | 4 | 183 | 38 | 21 |
| 927 | Ecology | 5 | 183 | 59 | 85 |
| 927 | Geology | 4 | 183 | 3 | 4 |
| 932 | Environmental Engineering | 6 | 182 | 5 | 10 |
| 932 | Statistics | 1 | 182 | 11 | 6 |
| 932 | Computational Physics | 2 | 182 | 52 | 24 |
| 932 | Statistics | 1 | 182 | 51 | 19 |
| 932 | Coastal Engineering | 10 | 182 | 25 | 57 |
| 932 | Agricultural Economics | 5 | 182 | 8 | 7 |
| 932 | Environmental Science | 2 | 182 | 8 | 3 |
| 939 | Civil Engineering | 2 | 181 | 1 | 1 |
| 939 | Geography | 2 | 181 | 139 | 72 |
| 939 | Sociology | 2 | 181 | 111 | 54 |
| 942 | Ecology | 4 | 180 | 205 | 217 |
| 942 | Dynamics | 3 | 180 | 1 | 6 |
| 942 | Hydraulic Engineering | 5 | 180 | 9 | 11 |
| 945 | Earth Science | 1 | 179 | 10 | 6 |
| 945 | Geography | 4 | 179 | 69 | 103 |
| 945 | Remote Sensing | 6 | 179 | 60 | 79 |
| 945 | Environmental Engineering | 13 | 179 | 10 | 60 |
| 945 | Electronics | 7 | 179 | 14 | 60 |
| 945 | Hydraulic Engineering | 2 | 179 | 4 | 2 |
| 945 | Hydrology | 2 | 179 | 7 | 4 |
| 952 | Civil Engineering | 1 | 178 | 176 | 67 |
| 952 | Hydrology | 6 | 178 | 1 | 3 |
| 952 | Environmental Engineering | 4 | 178 | 60 | 83 |
| 952 | Environmental Science | 2 | 178 | 3 | 2 |
| 952 | Environmental Engineering | 1 | 178 | 1 | 1 |
| 957 | Geology | 1 | 177 | 34 | 19 |
| 957 | Geology | 1 | 177 | 11 | 3 |
| 957 | Architecture | 3 | 177 | 7 | 3 |
| 957 | Hydrology | 3 | 177 | 1 | 2 |
| 957 | Hydrology | 1 | 177 | 9 | 5 |
| 962 | Chemical Engineering | 1 | 176 | 127 | 83 |
| 962 | Computer Science | 3 | 176 | 354 | 303 |
| 962 | Electrical Engineering | 3 | 176 | 335 | 289 |
| 962 | Geography | 3 | 176 | 2 | 1 |
| 962 | Design Engineering | 6 | 176 | 85 | 100 |
| 962 | Environmental Science | 3 | 176 | 13 | 17 |
| 968 | Hydrology | 4 | 175 | 2 | 3 |
| 968 | Environmental Physics | 5 | 175 | 39 | 46 |
| 968 | Environmental Physics | 7 | 175 | 1 | 1 |
| 968 | Mining Engineering | 3 | 175 | 1 | 1 |
| 968 | Hydrology | 3 | 175 | 6 | 4 |
| 968 | Geothermal Energy | 3 | 175 | 1 | 1 |
| 974 | Oceanography | 2 | 174 | 156 | 101 |
| 974 | Civil Engineering | 3 | 174 | 20 | 16 |
| 974 | Environmental Science | 5 | 174 | 1 | 1 |
| 974 | Environmental Science | 1 | 174 | 57 | 41 |
| 974 | Architecture | 5 | 174 | 58 | 54 |
| 974 | Environmental Engineering | 1 | 174 | 4 | 1 |
| 980 | Environmental Engineering | 8 | 173 | 1 | 2 |
| 980 | Computational Mathematics | 5 | 173 | 1 | 4 |
| 980 | Hydrology | 4 | 173 | 1 | 2 |
| 983 | Geography | 2 | 172 | 36 | 9 |
| 983 | Propulsion | 3 | 172 | 12 | 18 |
| 985 | Geophysics | 5 | 171 | 70 | 80 |
| 985 | Mechanical Engineering | 4 | 171 | 14 | 9 |
| 985 | Information Technology | 1 | 171 | 3 | 1 |
| 985 | Environmental Engineering | 2 | 171 | 1 | 1 |
| 989 | Civil Engineering | 1 | 170 | 31 | 7 |
| 989 | Public Health | 1 | 170 | 1452 | 632 |
| 989 | Environmental Science | 2 | 170 | 2 | 3 |
| 989 | Civil Engineering | 1 | 170 | 1 | 1 |
| 993 | Computer Science | 4 | 169 | 41 | 40 |
| 993 | Environmental Engineering | 2 | 169 | 1 | 1 |
| 993 | Meteorology | 4 | 169 | 39 | 50 |
| 993 | Civil Engineering | 1 | 169 | 103 | 17 |
| 997 | Environmental Geology | 5 | 168 | 5 | 5 |
| 997 | Geophysics | 2 | 168 | 41 | 29 |
| 997 | Biology | 3 | 168 | 280 | 252 |
| 997 | Environmental Science | 1 | 168 | 405 | 149 |