Science Topics term usage 2009-01-17

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.)

520	earthquakes
230	earthquake occurrences
139	volcanoes
71	maps and atlases
42	USGS map servers
40	climate change
37	real-time monitoring and reporting
31	droughts
30	topographic maps
30	floods
27	mineral resources
26	remote sensing
25	geospatial analysis
25	ground water
25	contamination and pollution
24	surface water (non-marine)
24	energy resources
23	water quality
20	invasive species
19	environmental health (human)
17	seismology
13	geologic maps
13	desert ecosystems
12	fires
12	avian influenza
10	human impacts
9	topics
9	earth structure
9	health and disease
8	volcanic activity
7	hazards
7	tectonic processes
7	river systems
7	USGS maps on demand
7	aquatic biology
7	USGS budget
7	earthquake probabilities
6	aerial photography
6	snow and ice cover
6	global change

Science Topics term usage Saturday, 2009-01-17