Science Topics term usage 2009-12-08

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.)

1282	earthquakes
560	earthquake occurrences
398	volcanoes
250	maps and atlases
160	climate change
107	energy resources
97	real-time monitoring and reporting
90	topographic maps
89	map interfaces
83	contamination and pollution
82	floods
76	ground water
73	mineral resources
72	water quality
71	geospatial analysis
66	earthquake probabilities
63	surface water (non-marine)
57	droughts
57	seismology
53	remote sensing
53	geologic maps
50	invasive species
43	avian influenza
42	acid deposition
39	oil resources
38	fires
38	global warming
37	stream discharge
37	surface water quality
37	human impacts
35	land use and land cover
32	river systems
31	environmental health (human)
30	sea-floor characteristics
30	volcanic activity
28	hydrology
27	tectonic processes
23	California
23	geologic processes
23	geographic information systems (GIS)

Science Topics term usage Tuesday, 2009-12-08