Science Topics term usage 2009-04

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.)

23202	earthquakes
11124	earthquake occurrences
7118	volcanoes
3652	maps and atlases
2953	real-time monitoring and reporting
1770	floods
1666	USGS map servers
1645	climate change
1412	energy resources
1403	mineral resources
1395	ground water
1373	water quality
1293	topographic maps
1228	avian influenza
1171	surface water (non-marine)
1096	remote sensing
1086	contamination and pollution
982	geospatial analysis
899	droughts
829	invasive species
715	earthquake probabilities
709	geologic maps
687	environmental health (human)
661	seismology
594	fires
417	human impacts
407	health and disease
405	oil resources
405	river systems
385	acid deposition
342	animals
335	global warming
328	volcanic activity
316	tectonic processes
295	surface water quality
295	hydrology
289	ground-water flow
286	streamflow
277	endangered species
264	hazards

Scripts used