Science Topics term usage 2008-06-13

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.)

487	earthquakes
225	earthquake occurrences
188	floods
148	maps and atlases
115	volcanoes
101	real-time monitoring and reporting
91	USGS map servers
67	surface water (non-marine)
57	mineral resources
45	ground water
44	energy resources
39	water quality
35	climate change
34	remote sensing
34	fires
32	droughts
32	geospatial analysis
31	avian influenza
25	invasive species
24	contamination and pollution
21	oil resources
19	river systems
17	earthquake probabilities
17	environmental health (human)
13	hydrology
13	storm surge
11	tectonic processes
11	USGS maps on demand
11	seismology
9	natural gas resources
9	streamflow
8	acid deposition
8	stream discharge
8	water resources
8	human impacts
8	cartography
8	ground-water flow
7	surface-water level
7	USGS Quadrangles
7	aquatic ecosystems

Science Topics term usage Friday, 2008-06-13