Science Topics term usage 2010-05-12

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

1107	earthquakes
439	earthquake occurrences
423	volcanoes
164	maps and atlases
131	real-time monitoring and reporting
79	surface water (non-marine)
74	topographic maps
72	climate change
71	ground water
70	energy resources
66	mineral resources
63	floods
57	remote sensing
51	water quality
50	geospatial analysis
50	seismology
49	map interfaces
44	volcanic activity
41	invasive species
40	contamination and pollution
40	droughts
40	earthquake probabilities
33	human impacts
27	fires
26	cartography
24	avian influenza
24	animals
23	river systems
21	geologic maps
21	hydrology
21	oil resources
20	land use and land cover
20	soil resources
19	acid deposition
19	environmental health (human)
18	streamflow
17	endangered species
16	hazards
16	erosion
15	drainage basins

Science Topics term usage Wednesday, 2010-05-12