Science Topics term usage 2010-05-06

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.)

1357	earthquakes
477	earthquake occurrences
400	volcanoes
166	maps and atlases
125	real-time monitoring and reporting
98	ground water
94	mineral resources
85	climate change
80	floods
79	earthquake probabilities
73	map interfaces
73	energy resources
69	invasive species
66	seismology
66	water quality
59	geospatial analysis
59	topographic maps
50	surface water (non-marine)
49	contamination and pollution
48	droughts
44	geologic maps
44	remote sensing
37	avian influenza
32	oil resources
31	hazards
29	volcanic activity
25	human impacts
24	river systems
23	stream-gage measurement
21	tectonic processes
20	fires
20	global warming
19	volcanic eruption prediction
17	environmental health (human)
16	acid deposition
16	freshwater ecosystems
15	hurricanes
15	soil resources
14	cartography
14	endangered species

Science Topics term usage Thursday, 2010-05-06