Science Topics term usage 2006-07-19

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.)

84	earthquakes
80	geographic information systems (GIS)
79	statistical analysis
41	volcanoes
31	tsunamis
28	seismic reflection method
27	earthquake occurrences
23	tectonic processes
18	mineral resources
16	earth structure
15	ground water
13	mathematical modeling
13	geologic history
13	acid deposition
12	oil resources
12	water quality
12	surface water quality
12	human impacts
11	surface water (non-marine)
11	aerial photography
11	streamflow
11	energy resources
10	hurricanes
9	water chemistry
9	ground-water flow
9	geochemistry
9	reefs
8	geologic structure
8	rocks and deposits
8	maps and atlases
8	land use and land cover
8	laboratory methods
8	information system design and development
8	ecology
8	climate change
7	contamination and pollution
7	storms
7	geography
7	marine geology
7	real-time monitoring and reporting

Science Topics term usage Wednesday, 2006-07-19