Science Topics term usage 2009-03-16

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.)

428	earthquakes
419	volcanoes
151	earthquake occurrences
131	maps and atlases
82	real-time monitoring and reporting
72	mineral resources
68	USGS map servers
66	energy resources
57	water quality
56	ground water
52	floods
51	climate change
51	contamination and pollution
46	topographic maps
44	remote sensing
43	surface water (non-marine)
41	avian influenza
41	droughts
32	invasive species
31	geospatial analysis
31	fires
27	environmental health (human)
23	geologic maps
23	oil resources
17	health and disease
14	earth structure
13	streamflow
12	human impacts
12	acid deposition
11	volcanic activity
11	river systems
11	animals
11	natural gas resources
10	USGS budget
10	seismology
10	social sciences
9	ecosystems
9	endangered species
9	rocks and deposits
9	hazards

Science Topics term usage Monday, 2009-03-16