Science Topics term usage 2008-09-09

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.)

289	earthquakes
124	earthquake occurrences
79	volcanoes
59	maps and atlases
42	real-time monitoring and reporting
40	mineral resources
40	climate change
34	water quality
32	floods
31	USGS map servers
28	energy resources
27	ground water
25	droughts
24	remote sensing
24	contamination and pollution
21	surface water (non-marine)
20	avian influenza
18	invasive species
17	geospatial analysis
12	hydrology
12	environmental health (human)
11	earth structure
10	acid deposition
9	fires
9	ground-water flow
9	oil resources
9	water properties
8	streamflow
8	water cycle
8	tectonic processes
7	seismology
7	biostratigraphy
7	desert ecosystems
7	stream-gage measurement
7	human impacts
7	forest ecosystems
6	plants (organisms)
6	geochemistry
6	surface water quality
6	erosion

Science Topics term usage Tuesday, 2008-09-09