Science Topics term usage 2005-06-01

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.)

187	earthquakes
152	volcanoes
67	geographic information systems (GIS)
66	ground water
52	earthquake occurrences
49	acid deposition
48	landslides
42	mineral resources
41	streamflow
40	surface water (non-marine)
39	tectonic processes
38	maps and atlases
35	energy resources
35	animals
34	water quality
33	real-time monitoring and reporting
27	aerial photography
27	planetary bodies
27	water resources
26	ground-water flow
24	tsunamis
23	rocks and deposits
22	earth structure
20	floods
20	storms
20	impact cratering
20	remote sensing
20	wildlife
18	oil resources
18	erosion
17	hydrology
16	precipitation (atmospheric)
16	ground-water quality
16	hazards
16	water supply and demand
16	geochemistry
15	ocean processes
14	water use
14	cartography
14	land surface characteristics

Science Topics term usage Wednesday, 2005-06-01