Science Topics
This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.
| 81235 | science |
| 13673 | combine |
| 3098 | kwic |
(Table shows only the 40 most frequently chosen terms.)
| 18424 | earthquakes |
| 7697 | earthquake occurrences |
| 4393 | volcanoes |
| 3374 | maps and atlases |
| 1674 | real-time monitoring and reporting |
| 1591 | USGS map servers |
| 1558 | climate change |
| 1399 | energy resources |
| 1368 | mineral resources |
| 1260 | floods |
| 1127 | ground water |
| 1119 | water quality |
| 957 | geospatial analysis |
| 949 | contamination and pollution |
| 894 | droughts |
| 835 | surface water (non-marine) |
| 786 | avian influenza |
| 778 | remote sensing |
| 705 | fires |
| 664 | invasive species |
| 574 | earthquake probabilities |
| 533 | environmental health (human) |
| 524 | seismology |
| 348 | oil resources |
| 313 | acid deposition |
| 302 | tectonic processes |
| 301 | human impacts |
| 282 | global warming |
| 280 | earth structure |
| 274 | surface water quality |
| 267 | volcanic activity |
| 242 | tsunamis |
| 242 | hydrology |
| 240 | natural gas resources |
| 239 | desert ecosystems |
| 220 | land use and land cover |
| 212 | river systems |
| 209 | endangered species |
| 204 | USGS budget |
| 201 | hazards |