Science Topics term usage 2008-11-23

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.)

384	earthquakes
159	earthquake occurrences
141	volcanoes
94	maps and atlases
44	USGS map servers
39	mineral resources
36	climate change
36	real-time monitoring and reporting
34	energy resources
28	floods
28	surface water (non-marine)
27	droughts
27	water quality
24	contamination and pollution
23	avian influenza
19	remote sensing
19	surface water quality
18	ground water
17	nutrient content (water)
17	fires
17	geospatial analysis
15	environmental health (human)
11	invasive species
11	earthquake probabilities
10	hydrology
10	river systems
9	seismology
8	plants (organisms)
8	natural gas resources
8	volcanic activity
7	USGS budget
7	acid deposition
7	water supply and demand
7	earth structure
7	erosion
6	volcanic eruption prediction
6	health and disease
6	tsunamis
6	oil resources
6	ground-water flow

Science Topics term usage Sunday, 2008-11-23