Science Topics term usage 2005-04-24

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.)

119	earthquakes
83	volcanoes
73	geographic information systems (GIS)
43	tectonic processes
41	earthquake occurrences
40	earth structure
35	tsunamis
34	maps and atlases
28	surface water (non-marine)
25	streamflow
23	water quality
21	aerial photography
19	energy resources
19	landslides
17	droughts
17	earthquake probabilities
17	hazards
16	mineral resources
16	ecosystems
16	ground water
16	oil resources
16	remote sensing
15	geologic history
15	climate change
15	rocks and deposits
14	animals
14	floods
14	land use and land cover
14	geologic structure
13	geography
13	land subsidence
13	human impacts
13	real-time monitoring and reporting
13	geospatial datasets
13	habitats
12	hydrology
12	birds
12	global change
12	topics
12	gravitational field (earth)

Science Topics term usage Sunday, 2005-04-24