Science Topics term usage 2010-04-23

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.)

2246	earthquakes
728	earthquake occurrences
573	volcanoes
187	maps and atlases
154	real-time monitoring and reporting
119	earthquake probabilities
118	seismology
95	climate change
92	avian influenza
87	floods
82	mineral resources
73	topographic maps
69	contamination and pollution
68	map interfaces
64	ground water
57	energy resources
55	invasive species
54	geospatial analysis
53	remote sensing
52	water quality
50	surface water (non-marine)
49	droughts
42	geologic maps
37	fires
27	tectonic processes
22	hazards
21	land use and land cover
21	environmental health (human)
19	oil resources
19	seismic methods
18	ocean processes
18	volcanic activity
17	topics
17	zoology
17	erosion
16	acid deposition
16	surface water quality
15	global warming
15	stream discharge
13	social sciences

Science Topics term usage Friday, 2010-04-23