Science Topics term usage 2005-07

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.)

3899	earthquakes
2019	volcanoes
2017	geographic information systems (GIS)
1005	earthquake occurrences
934	surface water (non-marine)
742	maps and atlases
640	real-time monitoring and reporting
620	energy resources
606	mineral resources
596	water quality
594	tectonic processes
572	ground water
567	streamflow
519	aerial photography
488	earth structure
454	tsunamis
412	topics
382	rocks and deposits
378	contamination and pollution
361	ground-water flow
352	remote sensing
351	water resources
348	animals
347	geologic history
332	geologic structure
329	landslides
326	climate change
310	floods
310	magnetic field (earth)
309	cartography
304	hazards
304	geochemistry
299	human impacts
299	planetary bodies
297	geography
291	water properties
289	storms
279	topography
269	hydrology
267	invasive species

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