Science Topics term usage 2008-05-31

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.)

561	earthquakes
223	earthquake occurrences
111	real-time monitoring and reporting
110	volcanoes
73	maps and atlases
53	USGS map servers
51	energy resources
49	floods
47	climate change
44	mineral resources
40	surface water (non-marine)
39	water quality
35	ground water
35	droughts
32	earthquake probabilities
32	remote sensing
31	contamination and pollution
27	geospatial analysis
27	avian influenza
25	invasive species
20	environmental health (human)
19	fires
13	oil resources
12	volcanic activity
11	hazards
9	acid deposition
9	aquatic ecosystems
9	streamflow
8	USGS maps on demand
8	earth structure
8	river systems
8	seismology
7	USGS budget
7	tectonic processes
7	ground-water level
7	methods
6	mathematical modeling
5	water properties
5	California
5	topography

Science Topics term usage Saturday, 2008-05-31