Science Topics term usage 2008-11-13

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.)

800	earthquakes
276	earthquake occurrences
177	volcanoes
158	maps and atlases
80	floods
73	energy resources
65	real-time monitoring and reporting
64	climate change
63	USGS map servers
52	mineral resources
48	ground water
40	water quality
39	earthquake probabilities
36	droughts
36	surface water (non-marine)
35	geospatial analysis
34	avian influenza
31	contamination and pollution
30	remote sensing
26	seismology
21	invasive species
18	California
18	surface water quality
17	natural gas resources
16	acid deposition
16	oil resources
16	environmental health (human)
15	river systems
14	volcanic activity
14	hazards
13	fires
12	erosion
12	animals
11	tsunamis
11	life sciences
10	social sciences
10	global warming
10	rocks and deposits
10	US hydrologic units
10	hydrology

Science Topics term usage Thursday, 2008-11-13