Science Topics
This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.
| 91096 | science |
| 13561 | combine |
| 3865 | kwic |
(Table shows only the 40 most frequently chosen terms.)
| 16930 | earthquakes |
| 7170 | earthquake occurrences |
| 4227 | volcanoes |
| 3932 | maps and atlases |
| 2033 | real-time monitoring and reporting |
| 1963 | USGS map servers |
| 1694 | climate change |
| 1675 | energy resources |
| 1571 | mineral resources |
| 1396 | water quality |
| 1371 | floods |
| 1325 | ground water |
| 1098 | surface water (non-marine) |
| 1090 | contamination and pollution |
| 1043 | geospatial analysis |
| 1038 | remote sensing |
| 971 | droughts |
| 832 | invasive species |
| 810 | avian influenza |
| 712 | fires |
| 634 | environmental health (human) |
| 547 | earthquake probabilities |
| 507 | acid deposition |
| 496 | oil resources |
| 437 | seismology |
| 375 | human impacts |
| 356 | global warming |
| 350 | earth structure |
| 344 | endangered species |
| 328 | erosion |
| 324 | animals |
| 309 | tectonic processes |
| 302 | river systems |
| 290 | tsunamis |
| 290 | desert ecosystems |
| 267 | surface water quality |
| 247 | health and disease |
| 239 | natural gas resources |
| 239 | volcanic activity |
| 235 | hydrology |