Science Topics term usage 2008-12

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.)

19116	earthquakes
8568	earthquake occurrences
4225	volcanoes
2927	maps and atlases
1854	real-time monitoring and reporting
1481	USGS map servers
1405	climate change
1182	mineral resources
1093	floods
1092	energy resources
1015	water quality
946	ground water
839	geospatial analysis
817	surface water (non-marine)
794	avian influenza
792	remote sensing
775	droughts
752	contamination and pollution
637	invasive species
636	topographic maps
540	earthquake probabilities
477	seismology
462	environmental health (human)
443	fires
343	acid deposition
312	geologic maps
284	river systems
265	volcanic activity
258	hydrology
254	oil resources
249	human impacts
243	animals
232	California
230	earth structure
226	global warming
217	USGS budget
214	tectonic processes
213	surface water quality
210	erosion
198	streamflow

Scripts used