Science Topics term usage 2007-07-26

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.)

69	geographic information systems (GIS)
66	earthquakes
26	earthquake occurrences
25	mammals
24	volcanoes
22	real-time monitoring and reporting
16	recreation
16	earth structure
15	maps and atlases
14	tsunamis
14	land use and land cover
13	streamflow
12	rocks and deposits
12	natural gas resources
11	mineral resources
11	river systems
11	geospatial datasets
11	aerial photography
11	contamination and pollution
10	acid deposition
10	energy resources
10	water quality
10	climate change
9	animals
9	human impacts
9	erosion
9	stream-gage measurement
9	precipitation (atmospheric)
9	geologic structure
8	cartography
8	global change
8	coal resources
7	river reaches
7	herbivores
7	water properties
7	endangered species
7	landslides
7	global warming
6	sea-floor characteristics
6	water resources

Science Topics term usage Thursday, 2007-07-26