Science Topics term usage 2007-10-15

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.)

112	earthquakes
82	volcanoes
65	geographic information systems (GIS)
50	streamflow
32	acid deposition
31	earth structure
28	earthquake occurrences
26	climate change
24	mineral resources
24	contamination and pollution
23	ground water
21	rocks and deposits
21	real-time monitoring and reporting
20	plants (organisms)
18	global warming
18	tectonic processes
18	global change
17	geologic history
17	geologic structure
17	health and disease
17	endangered species
17	human impacts
16	floods
16	desert ecosystems
15	ecosystems
15	aquatic ecosystems
15	topography
15	water supply and demand
15	energy resources
15	tsunamis
15	animals
14	water quality
14	surface water (non-marine)
14	landslides
14	geochemistry
13	water cycle
13	maps and atlases
13	droughts
13	oil resources
13	geospatial datasets

Science Topics term usage Monday, 2007-10-15