analyzing usgs site files using olap ilya zaslavsky, june 12, 2007
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Analyzing USGS Site Filesusing OLAP
Ilya Zaslavsky, June 12, 2007
![Page 2: Analyzing USGS Site Files using OLAP Ilya Zaslavsky, June 12, 2007](https://reader030.vdocument.in/reader030/viewer/2022032702/56649f445503460f94c651d0/html5/thumbnails/2.jpg)
Pseudo-Mapswith OLAP:
the USGS Cube without time dimension
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US Map of USGS Observations
Antarctica
Puerto Rico
Hawaii
Alaska
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US Map of USGS Observations – by ReportedTypeCount
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US Map of USGS Observations – by Mean Available Data
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US Map of USGS Observations – by Max Period of Record
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US Map of USGS Observations – by Mean Period of Record
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USGS Observations: Californiaby Mean Available Data
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USGS Observations: Californiaby Available Data Total
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Available Data by Latitude Bands
Alaska
Big IslandMaui Kauai
Corpus Christi
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USGS data availability by decades:
the USGS Cube with time dimension
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The larger cube (with time dimension):Available data by HUCs by decade
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Different types of nutrients by decade: Available Data Total
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Some physical properties by decade: Available Data Total
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Same without discharge, gage height, temperature and precipitation (the four most common, in that order): Available Data Total