Science Topics term usage 2005-08-21

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.)

66	earthquakes
43	geographic information systems (GIS)
31	volcanoes
22	earthquake occurrences
18	maps and atlases
15	tectonic processes
15	real-time monitoring and reporting
15	earth structure
15	aerial photography
11	acid deposition
11	water resources
11	water quality
11	map coordinate systems
11	geography
11	droughts
11	contamination and pollution
10	remote sensing
10	invasive species
10	animals
10	energy resources
9	topics
9	planetary bodies
9	geologic history
9	streamflow
9	water properties
9	GPS measurement
9	cartography
9	ground water
9	seismology
8	magnetic field (earth)
8	mineral resources
8	rocks and deposits
8	ecosystems
8	land subsidence
8	plants (organisms)
7	biodiversity
7	landslides
7	surface water (non-marine)
7	human impacts
7	wildlife

Science Topics term usage Sunday, 2005-08-21