Science Topics term usage 2006-07-05

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.)

106	geographic information systems (GIS)
95	earthquakes
75	climate change
43	volcanoes
33	tsunamis
27	earth structure
27	maps and atlases
24	surface water (non-marine)
20	reefs
18	rocks and deposits
18	earthquake occurrences
17	global warming
17	ecosystems
16	mineral resources
16	energy resources
16	tectonic processes
15	ground water
15	global change
14	water resources
14	wildlife biology
13	water quality
13	aerial photography
12	streamflow
12	magnetic field (earth)
12	core (earth)
11	animals
11	marine geology
11	drainage basins
11	map coordinate systems
11	oil resources
11	geologic history
11	sediment transport
10	water properties
10	geochemistry
10	hazards
10	water chemistry
10	water supply and demand
9	droughts
9	geospatial datasets
9	volcanic activity

Science Topics term usage Wednesday, 2006-07-05