Science Topics term usage 2008-10-23

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.)

493	earthquakes
172	earthquake occurrences
140	volcanoes
139	maps and atlases
73	USGS map servers
69	climate change
63	real-time monitoring and reporting
59	mineral resources
52	energy resources
50	floods
50	geospatial analysis
46	water quality
38	ground water
33	surface water (non-marine)
33	invasive species
32	droughts
31	remote sensing
28	contamination and pollution
26	avian influenza
25	global warming
23	acid deposition
22	fires
20	earth structure
20	erosion
17	animals
17	environmental health (human)
16	earthquake probabilities
15	oil resources
14	tsunamis
12	endangered species
12	tectonic processes
12	seismology
12	aerial photography
11	impact cratering
11	ground-water flow
11	sediment transport
11	metallic ores
10	aquatic ecosystems
10	water supply and demand
10	ocean characteristics

Science Topics term usage Thursday, 2008-10-23