Science Topics term usage 2008-03-21

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.)

941	earthquakes
485	earthquake occurrences
192	volcanoes
117	maps and atlases
109	real-time monitoring and reporting
63	USGS map servers
45	climate change
43	contamination and pollution
39	energy resources
36	ground water
36	mineral resources
34	surface water (non-marine)
34	geospatial analysis
32	water quality
28	avian influenza
28	remote sensing
25	environmental health (human)
23	invasive species
22	earthquake probabilities
21	fires
20	California
13	floods
12	river systems
11	ground-water flow
10	seismology
10	USGS budget
9	oil resources
9	acid deposition
9	cartography
8	tsunamis
8	human impacts
8	global warming
7	topics
7	USGS maps on demand
7	erosion
7	earth structure
7	desert ecosystems
6	aquatic ecosystems
6	rocks and deposits
6	streamflow

Science Topics term usage Friday, 2008-03-21