Science Topics term usage 2009-03-30

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.)

4811	earthquakes
3178	earthquake occurrences
447	volcanoes
210	real-time monitoring and reporting
158	maps and atlases
124	California
120	seismology
111	floods
77	USGS map servers
76	earthquake probabilities
68	mineral resources
68	energy resources
63	climate change
53	droughts
53	ground water
52	surface water (non-marine)
52	water quality
50	topographic maps
47	contamination and pollution
43	geospatial analysis
39	invasive species
37	avian influenza
36	remote sensing
31	acid deposition
28	environmental health (human)
28	geologic maps
26	fires
24	human impacts
22	river systems
21	Santa Clara
20	animals
19	San Francisco
18	oil resources
17	geologic processes
16	tectonic processes
16	nutrient content (water)
15	endangered species
14	tsunamis
14	life sciences
14	volcanic activity

Science Topics term usage Monday, 2009-03-30