Science Topics term usage 2010-01-24

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.)

2325	earthquakes
1051	earthquake occurrences
354	volcanoes
190	maps and atlases
167	real-time monitoring and reporting
144	earthquake probabilities
115	energy resources
106	floods
102	mineral resources
94	climate change
85	ground water
81	map interfaces
79	droughts
76	seismology
74	surface water (non-marine)
68	water quality
66	remote sensing
63	geospatial analysis
60	invasive species
58	avian influenza
52	contamination and pollution
50	topographic maps
44	oil resources
42	tectonic processes
42	geologic maps
35	environmental health (human)
34	geologic processes
34	volcanic activity
29	river systems
28	human impacts
26	water chemistry
25	fires
24	earth structure
23	hazards
21	acid deposition
21	ground-water quality
21	seismic methods
20	rocks and deposits
19	mathematical modeling
18	desert ecosystems

Science Topics term usage Sunday, 2010-01-24