Science Topics term usage 2008-05-07

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.)

1548	earthquakes
810	volcanoes
792	earthquake occurrences
173	maps and atlases
126	real-time monitoring and reporting
77	floods
74	USGS map servers
69	climate change
68	avian influenza
67	mineral resources
64	water quality
60	energy resources
57	ground water
56	earthquake probabilities
56	surface water (non-marine)
56	contamination and pollution
50	geospatial analysis
48	droughts
46	remote sensing
37	invasive species
34	fires
29	environmental health (human)
28	seismology
27	volcanic activity
18	oil resources
17	earth structure
16	aquatic biology
16	erosion
16	river systems
16	hydrology
15	global warming
15	endangered species
15	human impacts
14	water properties
13	lithostratigraphy
13	acid deposition
13	water chemistry
12	aquatic ecosystems
12	USGS Quadrangles
12	hydrogeology

Science Topics term usage Wednesday, 2008-05-07