Science Topics term usage 2009-06-02

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.)

504	earthquakes
232	earthquake occurrences
152	volcanoes
119	maps and atlases
80	real-time monitoring and reporting
58	USGS map servers
44	mineral resources
44	climate change
39	ground water
38	energy resources
36	topographic maps
35	floods
33	water quality
32	surface water (non-marine)
29	geospatial analysis
29	remote sensing
25	droughts
22	avian influenza
21	geologic maps
20	invasive species
20	contamination and pollution
16	fires
14	oil resources
11	transect sampling
11	environmental health (human)
10	earthquake probabilities
10	human impacts
10	acid deposition
10	health and disease
9	streamflow
9	desert ecosystems
9	endangered species
9	seismology
8	river systems
8	surface water quality
8	hazards
8	animals
7	tectonic processes
7	earth structure
6	California

Science Topics term usage Tuesday, 2009-06-02