Science Topics term usage 2006-04

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.)

4826	earthquakes
3964	volcanoes
1900	geographic information systems (GIS)
1083	earthquake occurrences
949	energy resources
855	tectonic processes
712	mineral resources
688	surface water (non-marine)
680	ground water
644	animals
641	earth structure
628	geologic history
592	maps and atlases
575	streamflow
572	floods
570	rocks and deposits
566	tsunamis
551	real-time monitoring and reporting
549	water quality
536	landslides
529	contamination and pollution
529	climate change
493	acid deposition
486	aerial photography
458	oil resources
445	geologic structure
438	ground-water flow
408	erosion
392	magnetic field (earth)
387	water resources
371	health and disease
361	remote sensing
361	coastal zones
356	cartography
347	earthquake probabilities
334	human impacts
333	water supply and demand
332	storms
329	hazards
328	planetary bodies

Scripts used