Science Topics term usage 2008-05-19

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.)

1871	earthquakes
786	earthquake occurrences
220	volcanoes
165	maps and atlases
156	real-time monitoring and reporting
117	earthquake probabilities
108	mineral resources
96	energy resources
89	USGS map servers
78	climate change
74	floods
68	surface water (non-marine)
61	ground water
57	remote sensing
56	droughts
55	avian influenza
53	water quality
51	contamination and pollution
51	geospatial analysis
40	invasive species
35	seismology
34	fires
31	environmental health (human)
31	oil resources
21	human impacts
18	acid deposition
17	earth structure
17	tectonic processes
17	volcanic activity
16	animals
14	river systems
14	global change
13	ocean characteristics
13	metallic ores
12	USGS maps on demand
12	streamflow
12	geologic structure
12	hazards
11	precipitation (atmospheric)
11	sediment transport

Science Topics term usage Monday, 2008-05-19