Science Topics term usage 2008-12-30

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.)

1412	earthquakes
646	earthquake occurrences
402	volcanoes
122	maps and atlases
105	real-time monitoring and reporting
63	USGS map servers
54	climate change
50	topographic maps
43	energy resources
38	earthquake probabilities
38	mineral resources
36	avian influenza
36	ground water
34	water quality
32	geospatial analysis
32	remote sensing
30	volcanic activity
29	invasive species
29	contamination and pollution
27	seismology
25	droughts
25	surface water (non-marine)
19	floods
19	environmental health (human)
16	geologic maps
16	fires
12	oil resources
11	surface water quality
10	global warming
9	USGS budget
9	Yellowstone National Park North
9	streamflow
8	human impacts
7	animals
7	geographic information systems (GIS)
7	health and disease
6	ground-water flow
6	cartography
6	natural gas resources
6	river systems

Science Topics term usage Tuesday, 2008-12-30