Science Topics term usage 2010-04-13

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.)

3275	earthquakes
1123	earthquake occurrences
368	volcanoes
339	earthquake probabilities
180	real-time monitoring and reporting
171	maps and atlases
118	seismology
118	mineral resources
110	climate change
108	remote sensing
91	energy resources
83	floods
80	surface water (non-marine)
75	ground water
73	map interfaces
69	water quality
64	invasive species
61	geospatial analysis
57	topographic maps
54	contamination and pollution
49	tectonic processes
44	fires
44	droughts
42	oil resources
41	geologic maps
35	land use and land cover
32	environmental health (human)
32	volcanic activity
32	avian influenza
27	river systems
26	health and disease
25	human impacts
24	animals
22	landslides
21	geologic processes
21	erosion
21	endangered species
21	USGS Quadrangles
20	acid deposition
19	California

Science Topics term usage Tuesday, 2010-04-13