Science Topics term usage 2008-08-24

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.)

283	earthquakes
118	earthquake occurrences
116	maps and atlases
89	real-time monitoring and reporting
85	volcanoes
50	USGS map servers
47	mineral resources
44	floods
40	climate change
40	surface water (non-marine)
36	energy resources
35	ground water
34	remote sensing
34	droughts
32	contamination and pollution
29	invasive species
29	water quality
23	geospatial analysis
21	avian influenza
20	fires
17	environmental health (human)
12	earthquake probabilities
9	river systems
9	human impacts
8	nonindigenous species
8	acid deposition
8	rocks and deposits
8	oil resources
8	sediment transport
8	aerial photography
7	USGS budget
7	hydrology
7	ground-water flow
7	toxic trace element contamination
7	desert ecosystems
7	earth structure
6	earth sciences
6	precipitation (atmospheric)
6	natural resources
6	impact cratering

Science Topics term usage Sunday, 2008-08-24