Science Topics term usage 2008-05-27

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.)

1273	earthquakes
526	earthquake occurrences
191	volcanoes
169	maps and atlases
132	real-time monitoring and reporting
93	USGS map servers
86	floods
84	energy resources
77	climate change
70	surface water (non-marine)
67	earthquake probabilities
64	ground water
61	geospatial analysis
57	droughts
54	mineral resources
48	water quality
47	oil resources
46	contamination and pollution
45	remote sensing
44	avian influenza
42	invasive species
35	environmental health (human)
34	fires
24	seismology
19	river systems
17	aquatic ecosystems
17	volcanic activity
17	tectonic processes
16	water resources
16	stream-gage measurement
16	hazards
15	acid deposition
14	erosion
14	USGS Quadrangles
13	sediment transport
13	rocks and deposits
13	global warming
12	wetland ecosystems
12	ground-water quality
12	magnetic field (earth)

Science Topics term usage Tuesday, 2008-05-27