Science Topics term usage 2009-03

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.)

23713	earthquakes
11480	earthquake occurrences
11318	volcanoes
3881	maps and atlases
2961	real-time monitoring and reporting
2302	floods
1957	USGS map servers
1936	climate change
1935	energy resources
1783	mineral resources
1596	water quality
1574	ground water
1421	topographic maps
1402	surface water (non-marine)
1365	contamination and pollution
1356	droughts
1167	geospatial analysis
1165	remote sensing
1036	avian influenza
1016	invasive species
769	environmental health (human)
705	fires
663	geologic maps
648	earthquake probabilities
642	oil resources
598	seismology
472	acid deposition
434	human impacts
432	volcanic activity
432	river systems
428	health and disease
381	animals
352	California
345	global warming
315	erosion
296	earth structure
295	tsunamis
288	tectonic processes
276	land use and land cover
274	ground-water quality

Scripts used