Minnesota Elevation Mapping Project

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Minnesota Elevation Mapping Project

  1. 1. Minnesota Elevation Mapping Project<br />Tim Loesch<br />Minnesota Department of Natural Resources<br />Wisconsin Land Information Association<br />Annual Conference<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  2. 2. Minnesota Elevation Mapping Project<br />Elevation Mapping in Minnesota <br />How did we get here?<br />Where are we now?<br />Where are we going?<br />Minnesota Elevation Mapping Project<br />
  3. 3. Minnesota Elevation Mapping Project<br />How did we get here?<br />2000 – 2005<br />Small, non coordinated projects<br />35 – 1500 square miles<br />County based (typically)<br />Proprietary Data<br />Not a lot of knowledge<br />Bare earth and contours<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  4. 4. 2/22/2011<br />Minnesota Elevation Mapping Project<br />Minnesota Elevation Mapping Project<br />How did we get here?<br />2006<br />State received $500k for Red River Project<br />Cooperative project involving<br />MnDNR<br />MnDOT<br />White Earth Tribal Council<br />Wild Rice Watershed District<br />Corp of Engineers<br />
  5. 5. Minnesota Elevation Mapping Project<br />How did we get here?<br />Digital Elevation Committee<br />Governor’s Council on Geographic Information subcommittee<br />Goal – to build a statewide, publicly available high accuracy DEM<br />Provide Technical Guidance to Organizations collecting LiDAR data<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  6. 6. Minnesota Elevation Mapping Project<br />Hard Realizations<br />Money was tough to come by<br />Would likely be a piece-meal effort<br />Develop Standards to ensure data compatibility across collects<br />Provided guidance and technical expertise<br />Required “champion” to push at the legislative level<br />State employees have limited ability to push legislative efforts<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  7. 7. 2/22/2011<br />Minnesota Elevation Mapping Project<br />Minnesota Elevation Mapping Project<br />Saturday August 18th – 2007<br />Tropical Storm Erin<br />24-hour rain totals<br />15.10” Hokah<br />17” – Caledonia <br />(unofficial)<br />
  8. 8. 2/22/2011<br />Minnesota Elevation Mapping Project<br />Minnesota Elevation Mapping Project<br />Towns Evacuated<br />Stockton, Houston, Elba, Minnesota City and portions of Winona<br />Whitewater State Park<br />4,200 Homes Damaged<br />7 Deaths<br />$67 Million Damage<br />
  9. 9. 2/22/2011<br />Minnesota Elevation Mapping Project<br />Minnesota Elevation Mapping Project<br />7 Counties Declared Disaster Areas<br />Steele, Dodge, Olmsted, Wabasha, Winona, Fillmore, Houston<br />Special Legislative Session provided money for flood relief and mitigation<br />And LiDAR…..<br />
  10. 10. Minnesota Elevation Mapping Project<br />And things were happening elsewhere…<br />Red River Basin collect<br />48,000 square miles in MN, ND, SD<br />More counties…<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  11. 11. Minnesota Elevation Mapping Project<br />Clean Water, Land and Legacy Amendment<br />Add a sales tax of 0.375%<br />Outdoor Heritage Fund – 33%<br />Clean Water Legacy Fund – 33%<br />Parks and Trails Fund – 14.25%<br />Arts and Cultural Heritage Fund – 19.75%<br />$240,000,000 annually<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  12. 12. Minnesota Elevation Mapping Project<br />Clean Water Legacy Fund dedicated fund available for clean water projects <br />Convinced legislators of the value of elevation data<br />Project Scope and Costs<br />40,000 square miles to complete state<br />$8.5 million <br />Supported Funding<br />$2.8 Million FY10<br />$2.8 Million FY11<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  13. 13. Minnesota Elevation Mapping Project<br />Where are we now?<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  14. 14. Minnesota Elevation Mapping Project<br />Three Phases<br />Minnesota River Basin<br />Arrowhead Region<br />Metro Area<br />Central Lakes<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  15. 15. Minnesota Elevation Mapping Project<br />Project Specifications<br />Closely aligned with UGSS LiDAR Base Specs V13<br />1.5 meter postings<br />Classified LAS Data<br />Vendor Deliverables<br />Point data – LiDAR LAS files<br />Edge of water break lines<br />1 meter DEM units in meters – break line enforced<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  16. 16. Profile of points - Vegetation<br />2/22/2011<br />Minnesota Department of Natural Resources<br />Coniferous<br />Deciduous<br />Deciduous<br />
  17. 17. 2/22/2011<br />Minnesota Elevation Mapping Project<br />Minnesota Elevation Mapping Project<br />Generated Deliverables<br />2’ Contours<br />Building Polygons<br />Additional Items<br />Each county partner receives a portable hard-drive with a data “package”<br />Set of ArcGIS Tools to work with data<br />Training materials<br />
  18. 18. Data will be publicly available<br />Actively exploring web delivery options<br />Web Services<br />Print a map with an Air Photo backdrop with 2’ contours?<br />Clip and Ship products<br />USGS <br />National Elevation Dataset (NED - http://ned.usgs.gov/)<br />Raster DEMs<br />Center for LiDAR Coordination and Knowledge (CLICK)<br />LAS Point Cloud Data (http://lidar.cr.usgs.gov/)<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />Minnesota Elevation Mapping Project<br />
  19. 19. Minnesota Elevation Mapping Project<br />Great Partnering across all levels of government<br />County and local government<br />GIS Coordinator - data distribution<br />Survey/Engineer – validation points<br />Sharing of existing high-resolution data<br />Federal<br />Cost sharing opportunities to stretch $’s<br />USGS - $415,000<br />NRCS - $171,000<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  20. 20. Minnesota Elevation Mapping Project<br />Contract/Vendors<br />Master Contract for LiDAR Services<br />Four Vendors were selected based on qualifications and costs that meet USGS Base Specifications<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  21. 21. Minnesota Elevation Mapping Project<br />Contract/Vendors<br />Work Order Requests<br />Can be competitive or directly awarded<br />Same form every time – different geography<br />What do we get out of this<br />Multiple vendors can be deployed at once<br />We don’t put all our eggs in one basket<br />2/22/2011<br />Minnesota Elevation Mapping Project<br />
  22. 22. 2/22/2011<br />Minnesota Elevation Mapping Project<br />

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