Presentation is loading. Please wait.

Presentation is loading. Please wait.

Analyzing USGS Site Files using OLAP Ilya Zaslavsky, June 12, 2007.

Similar presentations


Presentation on theme: "Analyzing USGS Site Files using OLAP Ilya Zaslavsky, June 12, 2007."— Presentation transcript:

1 Analyzing USGS Site Files using OLAP Ilya Zaslavsky, June 12, 2007

2 Pseudo-Maps with OLAP: the USGS Cube without time dimension

3 US Map of USGS Observations Antarctica Puerto Rico Hawaii Alaska

4 US Map of USGS Observations – by ReportedTypeCount

5 US Map of USGS Observations – by Mean Available Data

6 US Map of USGS Observations – by Max Period of Record

7 US Map of USGS Observations – by Mean Period of Record

8 USGS Observations: California by Mean Available Data

9 USGS Observations: California by Available Data Total

10 Available Data by Latitude Bands Alaska Big Island Maui Kauai Corpus Christi

11 USGS data availability by decades: the USGS Cube with time dimension

12 The larger cube (with time dimension): Available data by HUCs by decade

13 Different types of nutrients by decade: Available Data Total

14 Some physical properties by decade: Available Data Total

15 Same without discharge, gage height, temperature and precipitation (the four most common, in that order): Available Data Total


Download ppt "Analyzing USGS Site Files using OLAP Ilya Zaslavsky, June 12, 2007."

Similar presentations


Ads by Google