Science Topics term usage 2009-06-04

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.)

541	earthquakes
217	earthquake occurrences
124	maps and atlases
96	volcanoes
94	real-time monitoring and reporting
63	topographic maps
56	mineral resources
53	USGS map servers
46	floods
34	surface water (non-marine)
33	climate change
31	earthquake probabilities
31	ground water
30	energy resources
24	water quality
23	avian influenza
23	geospatial analysis
23	remote sensing
22	geologic maps
20	contamination and pollution
17	droughts
13	invasive species
13	sea-floor characteristics
12	oil resources
12	environmental health (human)
12	ocean characteristics
11	fires
11	water properties
10	animals
10	ground-water quality
9	acid deposition
9	earth structure
9	river systems
9	streamflow
9	global change
9	volcanic activity
8	biogeography
8	earth sciences
7	USGS budget
7	hydrology

Science Topics term usage Thursday, 2009-06-04