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1 Distributed Geospatial Information Processing (DGIP): An Introduction DGIP Cyberinfrastructure, AAG Annual Meeting, San Francisco, CA, 4/20/2007 Chaowei.

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Presentation on theme: "1 Distributed Geospatial Information Processing (DGIP): An Introduction DGIP Cyberinfrastructure, AAG Annual Meeting, San Francisco, CA, 4/20/2007 Chaowei."— Presentation transcript:

1 1 Distributed Geospatial Information Processing (DGIP): An Introduction DGIP Cyberinfrastructure, AAG Annual Meeting, San Francisco, CA, 4/20/2007 Chaowei Phil Yang Geoscience Information Scientist NASA GIO Director, CISC, GMU Chaowei Phil Yang Geoscience Information Scientist NASA GIO Director, CISC, GMU Rob Raskin NASA JPL Rob Raskin NASA JPL

2 2 Agenda DGIP CyberInfrastructure Interoperability Semantics & Ontology Spatial Web Portals Session Organization

3 3 DGIP Three Characteristics of a DGIP: 1.Processing geospatial data 2.Geospatial data are distributed 3.Geospatial processing are distributed

4 4 K., E. Foote and Kirvan, A.P., 1997 DGIP

5 5 Yang and Tao 2005 DGIP

6 6 Courtesy of NASA Applied Science Program DGIP

7 7 Agenda DGIP CyberInfrastructure Interoperability Semantics & Ontology Spatial Web Portals Session Organization

8 8 Traffic Map from WTOP.com

9 9 Microscopic Traffic simulation Surveillance System Traffic Management Simulation Control and Routing Meet interval? N Y Update Travel Time Table Distributed Dissemination Real time observing Driver behavior and vehicle characteristics Traffic demand Events Node INode IINode N Grid Portal Node.... Y Routing Near Real Time Routing

10 10 Regular decomposition

11 11 Grid Test With 1 core 30 tasks * 352.3 seconds / node All tasks cost 352.3*30=10569 seconds / node. With 10 Cores Dell Poweredge 1600SC Xeon™ 3.2 GHz ; Hard Drive: 36.6GB X 2 Dell Poweredge 1950 Xeon™ Dual Core 3.06 GHz ; Hard Drive: 1 TB Results: 30 tasks cost 1370 seconds Efficiency: Speedup is 7.715

12 12 Benedict 2007

13 13 Benedict 2007

14 14 Snapshot: Land Use Acreage BMPs Fertilizer Manure Atmospheric Deposition Point Sources Septic Loads Hourly Values: Rainfall Snowfall Temperature Evapotranspiration Wind Solar Radiation Dewpoint Cloud Cover “Average Annual Flow-Adjusted Loads” Chesapeake Watershed Modeling Hourly output is summed over 10 years of hydrology to compare against other management scenarios HSPF Linker 2006

15 15 Agenda DGIP CyberInfrastructure Semantics & Ontology Interoperability Spatial Web Portals Session Organization

16 16 EIE Ontology Xiao et al 2007

17 17 SWEET Raskin 2001

18 18 Agenda DGIP CyberInfrastructure Semantics & Ontology Interoperability Spatial Web Portals Session Organization

19 19 Public Health

20 20 Benedict 2007

21 21 Agenda DGIP CyberInfrastructure Semantics & Ontology Interoperability Spatial Web Portals Session Organization

22 22 SWS Based on Legacy Application

23 23 Spatial Web Portal

24 24 NASA Earth Science Gateway

25 25 Session Organization DGIP CyberInfrastructure Interoperability Semantics & Ontology Spatial Web Portals Session Organization

26 26 Session Organization Sponsor: NASA GIO, FGDC, OGC Organizers: Chaowei Yang & Robert RaskinChaowei YangRobert Raskin 1.4118 Cyberinfrastructure: 4/20/07, from 8:00 AM - 9:40 AM: Chair(s): Dawn J. Wright Dawn J. Wright 2.4218 Interoperability: 4/20/07, from 10:00 AM - 11:40 AM Chair(s): Myra Bambacus Myra Bambacus 3.4318 Sematics & Ontology: 4/20/07, from 12:00 PM - 1:40 PM: Robert RaskinRobert Raskin 4.4438 Spatial Web Portal: 4/20/07, 4 th floor, Square Union 15 from 2:00 PM - 3:40 PM: Chaowei YangChaowei Yang 5.GeoCyb Party: 4:00-6:00pm Bay View Room, 25th Floor, Hotel Nikko 6.5414 Panel on DGIP: 4/21/07, from 2:00 PM - 3:40 PM: Michael F. Goodchild Panelist(s): Vincent Tao, Myra Bambacus, Michael F. Goodchild, Robert Raskin, Dawn J. Wright, Mark Gahegan, Chaowei YangMichael F. GoodchildMyra BambacusMichael F. GoodchildRobert RaskinDawn J. WrightMark GaheganChaowei Yang

27 27 Acknowledgements

28 28 Thank you for your attention!

29 29 Some Information ESG: http://esg.gsfc.nasa.gov/http://esg.gsfc.nasa.gov/ EIE: http://eie.cos.gmu.edu/http://eie.cos.gmu.edu/ CISC Website: http://cisc.gmu.edu/ (will be ready in weeks)http://cisc.gmu.edu/

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