Science Topics term usage 2008-09-22

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.)

448	earthquakes
184	volcanoes
175	earthquake occurrences
155	maps and atlases
79	real-time monitoring and reporting
77	climate change
70	USGS map servers
62	ground water
59	energy resources
53	floods
51	water quality
50	mineral resources
48	contamination and pollution
40	remote sensing
37	surface water (non-marine)
36	geospatial analysis
33	environmental health (human)
32	avian influenza
30	invasive species
25	droughts
20	animals
20	fires
19	human impacts
18	oil resources
17	desert ecosystems
16	acid deposition
15	earthquake probabilities
15	aerial photography
14	river systems
13	earth structure
12	tectonic processes
12	social sciences
12	seismology
11	life sciences
11	streamflow
10	health and disease
10	aquatic ecosystems
10	ecology
10	hazards
10	erosion

Science Topics term usage Monday, 2008-09-22