Science Topics term usage 2008-03-08

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.)

377	earthquakes
161	earthquake occurrences
137	volcanoes
118	maps and atlases
116	real-time monitoring and reporting
65	USGS map servers
55	surface water (non-marine)
53	climate change
50	mineral resources
48	energy resources
47	ground water
41	remote sensing
41	contamination and pollution
36	water quality
34	geospatial analysis
29	avian influenza
27	invasive species
24	river systems
23	environmental health (human)
19	fires
16	earthquake probabilities
14	streamflow
13	floods
10	USGS budget
10	desert ecosystems
9	metallic ores
9	seismology
9	snow and ice cover
8	human impacts
8	drainage basins
8	earth structure
8	grassland ecosystems
8	rocks and deposits
8	stream-gage measurement
7	toxic trace element contamination
7	hydrogeology
7	volcanic activity
7	aerial photography
7	water resources
7	topography

Science Topics term usage Saturday, 2008-03-08