Science Topics term usage 2009-08-25

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.)

700	earthquakes
318	earthquake occurrences
294	maps and atlases
250	volcanoes
136	topographic maps
134	real-time monitoring and reporting
121	mineral resources
121	ground water
110	energy resources
110	climate change
103	map interfaces
99	remote sensing
94	water quality
94	avian influenza
85	droughts
85	geospatial analysis
81	contamination and pollution
73	floods
69	surface water (non-marine)
64	life sciences
57	environmental health (human)
57	fires
54	geologic maps
53	invasive species
47	acid deposition
42	river systems
38	animals
37	health and disease
36	ecosystems
35	endangered species
35	hydrology
35	earth structure
34	human impacts
31	soil resources
30	biological and physical processes
30	natural gas resources
30	earthquake probabilities
29	surface water quality
29	seismology
28	hazards

Science Topics term usage Tuesday, 2009-08-25