Science Topics term usage 2009-06-09

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.)

738	earthquakes
358	earthquake occurrences
177	volcanoes
134	maps and atlases
102	real-time monitoring and reporting
79	USGS map servers
64	energy resources
60	climate change
54	mineral resources
53	floods
52	water quality
50	topographic maps
48	ground water
43	surface water (non-marine)
41	remote sensing
40	droughts
40	geospatial analysis
36	contamination and pollution
30	invasive species
27	geologic maps
25	fires
24	avian influenza
24	environmental health (human)
23	earthquake probabilities
19	streamflow
16	human impacts
13	soil resources
11	desert ecosystems
11	biological and physical processes
10	California
10	earth structure
10	aerial photography
10	oil resources
10	volcanic activity
10	wetland ecosystems
10	tectonic processes
10	sea-floor characteristics
10	coal resources
9	USGS budget
9	acid deposition

Science Topics term usage Tuesday, 2009-06-09