Science Topics term usage 2008-04-04

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.)

316	earthquakes
163	volcanoes
138	earthquake occurrences
113	maps and atlases
104	real-time monitoring and reporting
74	USGS map servers
71	floods
68	surface water (non-marine)
66	energy resources
60	water quality
58	ground water
56	climate change
56	mineral resources
48	geospatial analysis
44	droughts
40	remote sensing
39	contamination and pollution
35	fires
35	avian influenza
34	invasive species
28	oil resources
24	environmental health (human)
22	river systems
21	acid deposition
17	streamflow
16	surface water quality
16	earthquake probabilities
15	rocks and deposits
15	human impacts
12	aerial photography
12	desert ecosystems
12	global warming
11	hydrology
11	wildlife
11	water chemistry
10	wildlife biology
10	animals
10	water properties
10	USGS budget
10	sediment transport

Science Topics term usage Friday, 2008-04-04