Science Topics term usage 2008-05-01

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.)

2192	earthquakes
1145	earthquake occurrences
175	volcanoes
143	maps and atlases
126	real-time monitoring and reporting
80	USGS map servers
76	floods
70	earthquake probabilities
68	energy resources
59	climate change
58	mineral resources
56	seismology
55	ground water
49	droughts
46	surface water (non-marine)
44	water quality
38	avian influenza
35	contamination and pollution
33	geospatial analysis
32	invasive species
30	oil resources
30	remote sensing
29	fires
29	Nevada
19	environmental health (human)
19	river systems
18	global warming
18	desert ecosystems
16	California
13	earth structure
12	land use and land cover
12	human impacts
12	Washoe
12	volcanic activity
11	hydrology
11	acid deposition
11	field sampling
11	producers (organisms)
10	rocks and deposits
10	erosion

Science Topics term usage Thursday, 2008-05-01