Science Topics term usage 2008-12-11

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.)

557	earthquakes
221	earthquake occurrences
166	volcanoes
116	maps and atlases
98	real-time monitoring and reporting
60	floods
59	climate change
58	USGS map servers
53	surface water (non-marine)
47	water quality
44	ground water
39	mineral resources
35	energy resources
31	droughts
31	geospatial analysis
30	remote sensing
24	geologic maps
24	contamination and pollution
23	avian influenza
19	invasive species
18	earthquake probabilities
17	streamflow
15	acid deposition
15	human impacts
15	river systems
15	tsunamis
13	stream discharge
13	erosion
13	forest ecosystems
12	environmental health (human)
12	hydrology
12	fires
12	tectonic processes
11	alluvial fans
11	seismology
10	nonmetallic mineral resources
10	glaciation
10	producers (organisms)
10	global change
10	metallic ores

Science Topics term usage Thursday, 2008-12-11