Science Topics term usage 2006-07-16

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.)

55	geographic information systems (GIS)
51	infrared imaging
40	volcanoes
37	earthquakes
16	ground water
13	maps and atlases
13	water resources
12	rocks and deposits
12	earth structure
11	tectonic processes
11	mineralogy
10	coalbed methane resources
9	tsunamis
9	floods
9	water quality
8	aerial photography
7	surface water (non-marine)
7	fossils
7	ground-water flow
6	coastal zones
6	contamination and pollution
6	streamflow
6	volcanic activity
6	earthquake occurrences
6	gravitational field (earth)
6	mining hazards
5	Lower Colorado-Lake Mead
5	impact cratering
5	mineral resources
5	water properties
5	methods
5	climate change
5	planetary bodies
5	oil resources
5	hydrology
5	cartography
4	information system design and development
4	magnetic field (earth)
4	metamorphic rocks
4	geography

Science Topics term usage Sunday, 2006-07-16