Science Topics term usage 2009-09-26

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.)

462	earthquakes
235	volcanoes
226	earthquake occurrences
226	maps and atlases
150	real-time monitoring and reporting
126	mineral resources
96	contamination and pollution
92	floods
81	ground water
80	climate change
77	water quality
77	map interfaces
75	remote sensing
74	surface water (non-marine)
72	droughts
72	energy resources
58	topographic maps
57	invasive species
51	geospatial analysis
51	fires
45	avian influenza
44	environmental health (human)
37	animals
34	earth structure
32	life sciences
31	seismology
29	biological and physical processes
28	geologic maps
27	human impacts
26	field methods
26	earthquake probabilities
24	natural resource management
23	natural resources
23	geochemistry
22	volcanic activity
22	acid deposition
21	geologic processes
21	nutrient content (water)
20	river systems
19	endangered species

Science Topics term usage Saturday, 2009-09-26