Science Topics term usage 2009-11-23

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.)

1353	earthquakes
585	earthquake occurrences
369	volcanoes
261	maps and atlases
182	real-time monitoring and reporting
180	ground water
161	mineral resources
123	climate change
117	floods
105	energy resources
103	map interfaces
100	topographic maps
92	invasive species
89	water quality
86	remote sensing
79	geospatial analysis
76	contamination and pollution
74	surface water (non-marine)
73	droughts
72	seismology
63	avian influenza
53	geologic maps
52	earthquake probabilities
48	acid deposition
47	human impacts
47	fires
43	earth structure
43	environmental health (human)
43	tectonic processes
42	hazards
38	geographic information systems (GIS)
35	oil resources
34	health and disease
33	aquatic ecosystems
33	global warming
30	erosion
29	precipitation (atmospheric)
29	endangered species
27	surface water quality
26	geologic structure

Science Topics term usage Monday, 2009-11-23