Science Topics term usage 2010-02-24

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.)

1201	earthquakes
375	earthquake occurrences
276	volcanoes
158	maps and atlases
106	floods
98	climate change
94	mineral resources
91	real-time monitoring and reporting
81	surface water (non-marine)
75	droughts
73	energy resources
71	ground water
69	geospatial analysis
63	water quality
61	earthquake probabilities
61	map interfaces
53	invasive species
52	contamination and pollution
49	topographic maps
43	remote sensing
39	oil resources
38	ground-water flow
38	geologic maps
36	seismology
36	geologic processes
34	nonindigenous species
32	fires
31	health and disease
31	avian influenza
31	environmental health (human)
29	tectonic processes
29	erosion
29	volcanic activity
25	acid deposition
22	human impacts
21	hazards
20	streamflow
19	soil resources
19	life sciences
19	earth structure

Science Topics term usage Wednesday, 2010-02-24