Science Topics term usage 2009-11-26

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.)

1190	earthquakes
530	earthquake occurrences
164	maps and atlases
146	volcanoes
109	real-time monitoring and reporting
75	climate change
73	mineral resources
68	topographic maps
64	floods
60	geospatial analysis
59	remote sensing
59	surface water (non-marine)
59	energy resources
59	ground water
58	water quality
56	seismology
56	map interfaces
55	contamination and pollution
53	invasive species
52	droughts
45	earthquake probabilities
42	avian influenza
34	geologic maps
33	fires
31	magnetic field (earth)
31	environmental health (human)
25	global warming
21	human impacts
20	global change
19	geomorphology
18	acid deposition
18	aquatic ecosystems
16	volcanic activity
16	river systems
16	surface water quality
15	oil resources
15	hydrology
15	health and disease
14	ecosystems
14	geologic processes

Science Topics term usage Thursday, 2009-11-26