Science Topics term usage 2011-01-19

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.)

2000	earthquakes
551	earthquake occurrences
225	volcanoes
110	maps and atlases
90	real-time monitoring and reporting
70	mineral resources
65	energy resources
61	floods
57	earthquake probabilities
55	climate change
54	surface water (non-marine)
51	seismology
48	geospatial analysis
47	groundwater
40	topographic maps
36	oil resources
35	water quality
34	remote sensing
32	map interfaces
31	invasive species
24	droughts
23	avian influenza
23	geologic maps
23	contamination and pollution
21	environmental health (human)
20	volcanic activity
16	fires
15	acid deposition
13	tectonic processes
11	groundwater quality
11	river systems
11	hazards
11	hydrology
10	animals
10	land use and land cover
10	ocean characteristics
9	biodiversity
9	erosion
9	human impacts
9	microbiology

Science Topics term usage Wednesday, 2011-01-19