Science Topics term usage 2008-05-16

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.)

1564	earthquakes
685	earthquake occurrences
284	volcanoes
158	real-time monitoring and reporting
134	maps and atlases
85	earthquake probabilities
78	mineral resources
76	climate change
76	USGS map servers
75	water quality
74	floods
68	energy resources
67	ground water
63	contamination and pollution
62	surface water (non-marine)
51	remote sensing
50	droughts
47	avian influenza
44	invasive species
44	geospatial analysis
34	fires
30	environmental health (human)
27	seismology
20	oil resources
19	tectonic processes
17	river systems
16	human impacts
15	streamflow
15	hydrology
14	volcanic activity
13	earth structure
13	ground-water flow
13	erosion
12	rocks and deposits
12	desert ecosystems
11	topics
10	acid deposition
10	sea-floor characteristics
10	natural gas resources
10	hazards

Science Topics term usage Friday, 2008-05-16