Science Topics term usage 2009-08-18

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.)

1092	earthquakes
590	earthquake occurrences
237	volcanoes
234	maps and atlases
203	real-time monitoring and reporting
130	ground water
117	mineral resources
110	climate change
106	topographic maps
104	surface water (non-marine)
100	energy resources
96	geospatial analysis
92	contamination and pollution
89	map interfaces
89	water quality
88	remote sensing
87	floods
70	invasive species
69	fires
68	environmental health (human)
63	geologic maps
60	droughts
57	oil resources
47	seismology
45	ocean characteristics
43	human impacts
43	avian influenza
42	topography
40	geochemistry
39	surface water quality
38	acid deposition
36	life sciences
35	earthquake probabilities
35	earth structure
35	animals
34	California
34	sea-floor characteristics
33	rocks and deposits
33	health and disease
33	sediment transport

Science Topics term usage Tuesday, 2009-08-18