Science Topics term usage 2008-06-01

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.)

801	earthquakes
398	earthquake occurrences
119	maps and atlases
113	volcanoes
86	real-time monitoring and reporting
65	USGS map servers
64	energy resources
54	ground water
52	mineral resources
45	climate change
41	surface water (non-marine)
40	droughts
39	earthquake probabilities
39	floods
35	remote sensing
33	geospatial analysis
32	water quality
32	avian influenza
28	contamination and pollution
26	invasive species
23	environmental health (human)
23	fires
17	seismology
14	volcanic activity
13	field methods
12	oil resources
12	USGS budget
11	tectonic processes
11	river systems
11	acid deposition
11	rocks and deposits
10	human impacts
10	earth structure
10	ground-water flow
10	bathymetry
9	California
9	streamflow
9	tsunamis
8	desert ecosystems
7	transect sampling

Science Topics term usage Sunday, 2008-06-01