Science Topics term usage 2008-05-17

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.)

1184	earthquakes
533	earthquake occurrences
166	volcanoes
126	maps and atlases
112	real-time monitoring and reporting
66	USGS map servers
63	earthquake probabilities
52	floods
50	climate change
46	mineral resources
46	surface water (non-marine)
44	remote sensing
43	droughts
43	energy resources
41	avian influenza
38	contamination and pollution
37	geospatial analysis
34	water quality
34	invasive species
34	ground water
29	seismology
28	environmental health (human)
19	fires
17	tectonic processes
16	oil resources
13	volcanic activity
10	earth structure
9	river systems
9	erosion
9	acid deposition
8	geologic history
8	aerial photography
8	topics
8	USGS budget
8	streamflow
7	global change
7	abandoned mines and quarries
6	drainage basins
6	USGS maps on demand
6	rocks and deposits

Science Topics term usage Saturday, 2008-05-17