Science Topics term usage 2008-04-07

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.)

565	earthquakes
238	earthquake occurrences
161	volcanoes
131	maps and atlases
108	real-time monitoring and reporting
76	energy resources
72	floods
69	climate change
68	mineral resources
59	USGS map servers
56	ground water
55	invasive species
49	surface water (non-marine)
46	geospatial analysis
45	avian influenza
43	water quality
42	droughts
39	contamination and pollution
37	remote sensing
32	oil resources
27	fires
26	environmental health (human)
26	seismology
18	erosion
18	earthquake probabilities
15	river systems
14	streamflow
14	earth structure
13	acid deposition
12	global warming
11	global change
11	volcanic activity
11	water supply and demand
11	human impacts
11	sediment transport
10	surface water quality
9	industrial pollution
9	tsunamis
9	USGS budget
9	aerial photography

Science Topics term usage Monday, 2008-04-07