Science Topics term usage 2009-07-09

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.)

641	earthquakes
257	earthquake occurrences
112	volcanoes
111	maps and atlases
84	real-time monitoring and reporting
54	map interfaces
48	climate change
47	topographic maps
42	energy resources
42	mineral resources
40	water quality
37	droughts
36	remote sensing
36	surface water (non-marine)
35	earthquake probabilities
34	ground water
28	geologic maps
25	geospatial analysis
24	contamination and pollution
23	floods
23	environmental health (human)
18	invasive species
17	oil resources
16	seismology
13	volcanic activity
12	avian influenza
11	fires
10	health and disease
10	river systems
10	soil resources
8	topics
7	endangered species
7	acid deposition
6	drainage basins
6	geographic information systems (GIS)
6	stream discharge
6	global warming
6	water chemistry
6	USGS budget
5	animals

Science Topics term usage Thursday, 2009-07-09