Science Topics term usage 2009-06-14

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.)

281	earthquakes
117	volcanoes
110	earthquake occurrences
82	maps and atlases
64	real-time monitoring and reporting
47	USGS map servers
35	surface water (non-marine)
32	energy resources
31	mineral resources
31	climate change
30	water quality
28	remote sensing
27	ground water
26	floods
25	contamination and pollution
24	topographic maps
20	geospatial analysis
20	droughts
18	invasive species
15	desert ecosystems
14	earthquake probabilities
13	avian influenza
13	fires
13	environmental health (human)
12	cartography
10	geologic maps
9	seismology
8	earth structure
8	tectonic processes
8	river systems
8	land use and land cover
7	hydrology
7	oil resources
6	plants (organisms)
6	acid deposition
6	biodiversity
5	hazards
5	flowering plants
5	life sciences
5	USGS budget

Science Topics term usage Sunday, 2009-06-14