Science Topics term usage 2007-11-06

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.)

111	volcanic activity
90	earthquakes
69	geographic information systems (GIS)
63	volcanoes
45	marine water quality
39	earthquake occurrences
33	real-time monitoring and reporting
23	earth structure
21	acid deposition
18	volcanic eruption prediction
18	tectonic processes
17	human impacts
16	rocks and deposits
16	mineral resources
16	invasive species
16	oil resources
15	climate change
15	global warming
15	ocean characteristics
15	ground water
14	energy resources
13	natural gas resources
13	tsunamis
13	desert ecosystems
13	water quality
13	health and disease
12	water use
12	remote sensing
12	water properties
12	landslides
12	hydrology
11	geologic structure
11	social sciences
11	contamination and pollution
11	glaciation
11	endangered species
11	sediment transport
10	magnetic field (earth)
10	engineering sciences
10	land use and land cover

Science Topics term usage Tuesday, 2007-11-06