Science Topics term usage 2006-04-16

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.)

107	earthquakes
54	geographic information systems (GIS)
54	volcanoes
30	earthquake occurrences
29	maps and atlases
27	aerial photography
21	tectonic processes
20	mineral resources
19	geologic structure
17	rocks and deposits
16	geologic history
16	cartography
15	sediment transport
15	animals
15	energy resources
13	map coordinate systems
13	earth structure
12	remote sensing
12	oil resources
11	real-time monitoring and reporting
10	earthquake probabilities
10	ecosystems
10	water quality
10	birds
10	human impacts
10	acid deposition
10	erosion
10	drainage basins
9	climate change
9	planetary bodies
9	field methods
9	global change
9	water resources
9	seismology
9	tsunamis
8	ground water
8	ground-water flow
8	floods
8	water supply and demand
8	surface water (non-marine)

Science Topics term usage Sunday, 2006-04-16