Science Topics term usage 2008-04-16

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.)

818	earthquakes
310	earthquake occurrences
263	volcanoes
182	maps and atlases
110	real-time monitoring and reporting
106	energy resources
88	climate change
85	USGS map servers
76	floods
73	mineral resources
66	ground water
58	geospatial analysis
55	droughts
53	avian influenza
51	water quality
48	surface water (non-marine)
46	contamination and pollution
44	earthquake probabilities
42	invasive species
39	oil resources
37	fires
36	remote sensing
36	environmental health (human)
17	acid deposition
17	seismology
17	sediment transport
16	drainage basins
16	volcanic activity
14	stream-gage measurement
14	cartography
13	earth structure
13	hydrogeology
13	human impacts
13	health and disease
12	streamflow
12	global warming
12	river systems
12	tectonic processes
11	tsunamis
11	aquatic ecosystems

Science Topics term usage Wednesday, 2008-04-16