Science Topics term usage 2008-09-19

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.)

507	earthquakes
218	earthquake occurrences
131	maps and atlases
125	volcanoes
87	real-time monitoring and reporting
73	USGS map servers
67	energy resources
65	floods
54	climate change
51	mineral resources
42	ground water
37	surface water (non-marine)
36	water quality
35	geospatial analysis
33	droughts
31	remote sensing
31	contamination and pollution
28	invasive species
27	fires
27	avian influenza
24	environmental health (human)
19	oil resources
19	acid deposition
16	earthquake probabilities
16	human impacts
15	animals
13	aquatic ecosystems
12	seismology
11	hurricanes
11	biological and physical processes
11	natural gas resources
10	hydrology
10	outer core (earth)
10	health and disease
10	life sciences
10	producers (organisms)
10	earth structure
9	water properties
9	sediment transport
9	vertebrates

Science Topics term usage Friday, 2008-09-19