Science Topics term usage 2008-02-09

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.)

77	ground-water flow
45	earthquakes
36	geographic information systems (GIS)
21	real-time monitoring and reporting
19	volcanoes
17	cartography
16	ocean circulation
15	earthquake occurrences
15	climate change
14	ground water
13	earth structure
13	human impacts
12	acid deposition
12	erosion
12	aquatic ecosystems
11	contamination and pollution
11	droughts
10	tectonic processes
10	global warming
10	endangered species
10	rocks and deposits
9	health and disease
9	floods
9	water properties
8	water resources
8	gravitational field (earth)
8	mineral resources
8	freshwater ecosystems
8	topics
8	pesticide and herbicide contamination
8	tsunamis
8	land surface characteristics
8	river systems
7	volcanic eruption prediction
7	snow and ice cover
7	invertebrates
7	oil resources
7	hazards
7	surface water (non-marine)
7	water cycle

Science Topics term usage Saturday, 2008-02-09