Science Topics term usage 2009-09-15

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.)

676	earthquakes
335	maps and atlases
286	volcanoes
259	earthquake occurrences
146	climate change
129	real-time monitoring and reporting
127	energy resources
126	floods
118	contamination and pollution
113	map interfaces
110	topographic maps
102	ground water
92	invasive species
86	droughts
85	water quality
77	geospatial analysis
74	environmental health (human)
71	mineral resources
67	avian influenza
66	fires
60	surface water (non-marine)
60	remote sensing
53	life sciences
52	natural resources
43	geologic maps
40	animals
39	human impacts
38	earth structure
33	hydrology
33	biological and physical processes
31	health and disease
31	infrared imaging
30	geographic information systems (GIS)
30	erosion
29	field methods
27	tectonic processes
27	earthquake probabilities
23	soil resources
23	acid deposition
22	surface water quality

Science Topics term usage Tuesday, 2009-09-15