Science Topics term usage 2008-04-29

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.)

1969	earthquakes
1001	earthquake occurrences
226	volcanoes
183	maps and atlases
139	real-time monitoring and reporting
100	climate change
91	floods
84	USGS map servers
82	mineral resources
80	energy resources
67	surface water (non-marine)
66	earthquake probabilities
65	water quality
62	droughts
58	ground water
53	remote sensing
53	invasive species
51	contamination and pollution
48	geospatial analysis
44	avian influenza
40	Nevada
39	environmental health (human)
38	fires
37	oil resources
37	seismology
26	acid deposition
22	river systems
22	human impacts
21	volcanic activity
20	Washoe
19	tsunamis
18	health and disease
18	tectonic processes
17	streamflow
16	endangered species
16	drainage basins
16	earth structure
16	global warming
16	rocks and deposits
15	geologic structure

Science Topics term usage Tuesday, 2008-04-29