Science Topics term usage 2009-05-11

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.)

418	earthquakes
184	volcanoes
174	earthquake occurrences
122	maps and atlases
71	real-time monitoring and reporting
69	USGS map servers
59	climate change
56	avian influenza
56	water quality
51	energy resources
50	floods
49	mineral resources
46	remote sensing
45	ground water
44	topographic maps
39	surface water (non-marine)
39	invasive species
32	geospatial analysis
28	contamination and pollution
27	droughts
23	human impacts
22	fires
21	environmental health (human)
18	acid deposition
17	health and disease
16	geologic maps
15	animals
12	earth structure
12	seismology
12	river systems
12	natural gas resources
11	ocean characteristics
11	global warming
10	volcanic activity
10	global change
10	oil resources
10	earthquake probabilities
10	soil resources
9	ecological processes
9	water chemistry

Science Topics term usage Monday, 2009-05-11