Science Topics term usage 2008-02-01

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.)

74	geographic information systems (GIS)
59	earthquakes
33	segmented worms
32	volcanoes
23	earth structure
21	contamination and pollution
20	health and disease
20	acid deposition
19	rocks and deposits
19	earthquake occurrences
18	tectonic processes
17	animals
17	endangered species
16	climate change
15	energy resources
15	global change
14	human impacts
14	snow and ice cover
13	mineral resources
13	maps and atlases
13	coral reefs
13	biogeography
13	real-time monitoring and reporting
13	topography
12	oil resources
12	water properties
12	geologic structure
11	precipitation (atmospheric)
11	habitats
11	waste treatment and disposal
11	global warming
11	geologic history
11	seismology
11	hazards
11	floods
11	aquatic ecosystems
11	landslides
10	tsunamis
10	droughts
10	sediment transport

Science Topics term usage Friday, 2008-02-01