Science Topics term usage 2006-07-07

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.)

67	geographic information systems (GIS)
44	earthquakes
40	oxygen isotope analysis
37	volcanoes
18	geologic history
17	tectonic processes
17	floods
16	real-time monitoring and reporting
16	aerial photography
15	hydrology
15	health and disease
13	climate change
13	maps and atlases
13	rocks and deposits
13	geochemistry
13	water properties
12	water chemistry
12	energy resources
12	tsunamis
12	land surface characteristics
12	remote sensing
11	streamflow
11	earth structure
10	contamination and pollution
10	water use
10	river systems
10	water quality
9	glaciation
9	coastal zones
9	aquatic ecosystems
9	meteorites
9	ground water
9	animals
8	precipitation (atmospheric)
8	earthquake occurrences
8	cartography
8	information system design and development
7	limnology
7	surface water (non-marine)
7	droughts

Science Topics term usage Friday, 2006-07-07