Science Topics term usage 2007-10-27

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.)

48	aerial photography
30	geographic information systems (GIS)
27	earthquakes
25	social sciences
17	surface water (non-marine)
15	volcanoes
15	aquatic ecosystems
14	earthquake occurrences
11	health and disease
10	geography
10	acid deposition
8	droughts
8	earth structure
7	metallic ores
7	mineral resources
7	streamflow
7	geologic structure
7	rocks and deposits
7	ground water
7	climate change
7	real-time monitoring and reporting
6	sedimentary rocks
6	human impacts
6	fires
6	maps and atlases
6	tsunamis
6	water supply and demand
6	contamination and pollution
6	hurricanes
6	water chemistry
6	water use
6	floods
5	engineering sciences
5	endangered species
5	biodiversity
5	energy resources
5	hazards
5	benthic ecosystems
5	marine ecosystems
5	coal resources

Science Topics term usage Saturday, 2007-10-27