Science Topics term usage 2008-04-02

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.)

371	earthquakes
164	earthquake occurrences
155	volcanoes
124	maps and atlases
89	real-time monitoring and reporting
74	climate change
69	mineral resources
66	energy resources
64	floods
58	ground water
57	geospatial analysis
52	surface water (non-marine)
50	USGS map servers
46	water quality
35	droughts
32	avian influenza
31	invasive species
29	contamination and pollution
28	fires
28	remote sensing
22	global warming
21	environmental health (human)
20	sediment transport
19	oil resources
17	acid deposition
17	erosion
16	earthquake probabilities
15	river systems
15	topography
14	natural gas resources
13	health and disease
13	seismology
12	global change
12	earth structure
12	streamflow
11	tsunamis
11	ground-water flow
10	tectonic processes
10	geologic structure
9	geographic information systems (GIS)

Science Topics term usage Wednesday, 2008-04-02