Science Topics term usage 2009-12-27

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.)

499	earthquakes
306	volcanoes
236	earthquake occurrences
106	maps and atlases
78	real-time monitoring and reporting
70	mathematical modeling
53	mineral resources
44	climate change
39	topographic maps
39	floods
38	map interfaces
35	remote sensing
35	geologic maps
34	avian influenza
33	energy resources
32	surface water (non-marine)
29	water quality
28	ground water
25	droughts
24	geospatial analysis
24	streamflow
20	contamination and pollution
17	fires
17	invasive species
16	volcanic activity
15	environmental health (human)
15	life sciences
15	seismology
14	oil resources
12	erosion
11	rocks and deposits
10	topics
10	ground-water quality
10	hazards
9	bathymetry
9	Texas
9	earthquake probabilities
8	photography
8	earth characteristics
8	igneous rocks

Science Topics term usage Sunday, 2009-12-27