Science Topics term usage 2006-05-05

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.)

239	volcanoes
148	earthquakes
53	geographic information systems (GIS)
32	tectonic processes
31	earthquake occurrences
30	energy resources
24	real-time monitoring and reporting
23	ground water
23	maps and atlases
22	Mount Saint Helens
21	animals
19	tsunamis
19	earth structure
19	mineral resources
18	streamflow
17	volcanic activity
17	endangered species
17	rocks and deposits
17	acid deposition
17	nonvascular plants
16	human impacts
16	geochemistry
16	aerial photography
15	ecosystems
15	magnetic field (earth)
15	floods
13	habitats
13	topography
13	land use and land cover
12	remote sensing
12	geologic structure
12	climate change
12	surface water (non-marine)
12	coelenterates
12	erosion
11	river systems
11	metallic ores
11	storms
11	geologic history
10	freshwater ecosystems

Science Topics term usage Friday, 2006-05-05