Science Topics term usage 2009-02-12

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.)

769	earthquakes
330	earthquake occurrences
296	volcanoes
126	maps and atlases
101	real-time monitoring and reporting
77	floods
74	climate change
72	mineral resources
70	energy resources
67	water quality
51	surface water (non-marine)
49	USGS map servers
46	topographic maps
44	contamination and pollution
43	avian influenza
42	geospatial analysis
41	ground water
38	remote sensing
35	invasive species
33	droughts
27	earthquake probabilities
26	environmental health (human)
24	geologic maps
21	fires
21	volcanic activity
20	health and disease
19	global warming
18	animals
17	drainage basins
17	seismology
16	streamflow
16	erosion
14	human impacts
14	oil resources
13	hydrology
12	natural gas resources
12	acid deposition
11	surface water quality
11	geochemistry
11	tsunamis

Science Topics term usage Thursday, 2009-02-12