Science Topics term usage 2010-04-01

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.)

1335	earthquakes
451	earthquake occurrences
331	volcanoes
208	real-time monitoring and reporting
149	maps and atlases
107	floods
87	energy resources
86	seismology
77	climate change
75	ground water
74	mineral resources
73	map interfaces
73	remote sensing
72	earthquake probabilities
71	surface water (non-marine)
64	topographic maps
62	geospatial analysis
60	water quality
48	droughts
45	invasive species
45	oil resources
44	contamination and pollution
34	geologic maps
30	avian influenza
28	fires
23	volcanic activity
22	river systems
22	hazards
22	ground-water quality
22	hydrology
21	environmental health (human)
21	human impacts
21	natural gas resources
19	geologic processes
19	ground-water flow
18	soil resources
18	tectonic processes
17	global warming
16	acid deposition
16	vertebrate zoology

Science Topics term usage Thursday, 2010-04-01