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Mapping Carbonate Bedrock Surfaces
      in Glaciated Landscapes
Wisconsin, USA




Calumet County
Flow Characteristics of fractured carbonate Aquifers

  • Dense and ubiquitous fracture network
     – little surface runoff
     – water easily infiltrates to subsurface

  • Recharge
     – exceedingly rapid
     – carries surface contaminants to the water table


  • Flow within the aquifer occurs primarily along
    bedding plane fractures
     – Little to no attenuation of contaminants within the aquifer


  • Flow rates vary from 10’s to 100’s of ft/day
• 14,000 dairy farms
• 1.25 million milk cows.
• Each cow produces 150 lbs of waste/day
(1.25 million cows) (150 lbs. per day) (365 days)
= 34,000,000 tons of waste annually
Roads            PLSS                                                          Well
                              WCRs      DEM                  WCRs
                                                                              Testing
        Parcel




  Well                   Well         Surface     Bacteria          E. Coli             Nitrate
Location                Geology      Elevation     Cont.            Cont.                Cont.




  Surface Elevation – Bedrock Elevation                      Safe or Unsafe


                        Depth to
                                                             Contamination
                        Bedrock


                                      Depth to Bedrock
                                            AND
                                       Contamination
Digital Well Reports   Scanned Paper Well Reports
WCRs

   Data entry


    pre-1988
     WCRs
    database


Geocode by PLSS



  UNLOCATED
 pre-1988 WCRs


Geocode by Street
    Address


  UNLOCATED
 pre-1988 WCRs

                    N
Geocode by Parcel



  UNLOCATED
 pre-1988 WCRs
WCRs

   Data entry


    pre-1988
     WCRs
    database


Geocode by PLSS



  UNLOCATED
 pre-1988 WCRs


Geocode by Street
    Address


  UNLOCATED
 pre-1988 WCRs



Geocode by Parcel
                    N


  UNLOCATED
 pre-1988 WCRs
WCRs

   Data entry


    pre-1988
     WCRs
    database


Geocode by PLSS



  UNLOCATED
 pre-1988 WCRs


Geocode by Street
    Address


  UNLOCATED
 pre-1988 WCRs

                    N
Geocode by Parcel



  UNLOCATED
 pre-1988 WCRs
2800+
Geocoded Well
 Data Points




                N
pre-1988                                post-1988
NAIP image                WCRs                                     WCRs
                                                                                    NAIP image


                  Drag point to structure                 Drag point to structure
                    referred to in WCR                      referred to in WCR

                        pre-1988
                         WCRs


                  Data enter geology

                                                                                    Geology Table
 Geology Table          pre-1988                                post-1988
                                                                                     from WCR
from data entry          WCRs                                     WCRs                database


                   Attach Geology                          Attach Geology

                                                                post-1988
                      pre-1988 WCRs
                                                                WCRs with
                       with geology
                                                                 geology



                                        Merge WCRs


                                               WCRs
                                            geodatabase
pre-1988                  post-1988
NAIP image           WCRs                       WCRs
                                                                 NAIP image


             Drag point to structure   Drag point to structure
               referred to in WCR        referred to in WCR
pre-1988                  post-1988
NAIP image           WCRs                       WCRs
                                                                 NAIP image


             Drag point to structure   Drag point to structure
              referred to in WCR.        referred to in WCR
pre-1988                  post-1988
NAIP image           WCRs                       WCRs
                                                                 NAIP image


             Drag point to structure   Drag point to structure
               referred to in WCR        referred to in WCR
pre-1988                                post-1988
NAIP image                WCRs                                     WCRs
                                                                                    NAIP image


                  Drag point to structure                 Drag point to structure
                    referred to in WCR                      referred to in WCR

                        pre-1988
                         WCRs


                  Data enter geology

                                                                                    Geology Table
 Geology Table           pre-1988                                post-1988
                                                                                     from WCR
from data entry           WCRs                                     WCRs               database


                   Attach Geology                          Attach Geology

                                                                post-1988
                      pre-1988 WCRs
                                                                WCRs with
                       with geology
                                                                 geology



                                        Merge WCRs


                                               WCRs
                                            geodatabase
2339 Well Data
Points w/geology




                   N
WCRs
          geodatabase

             QUERY:
          Select minimum
           bedrock value

            WCRs with
DEM          depth to
             bedrock


       ADD surface elevation


            WCRs with
             surface
            elevation

      surface elevation MINUS     Bedrock Topography
          depth to bedrock

            WCRs with
             bedrock                                Bedrock
                                Interpolate
            elevation                             Topography
-                          =
Surface Topography         Bedrock Topography




Surface Topography MINUS Bedrock Topography EQUALS
Depth to Bedrock




                   N
                                       Kilometers
                       0   1       2   3 4 5            6       7   8



                       0       1        2           3       4       5
                                            Miles
Depth to Bedrock
                                                       less than 0
                                                       5
                                                       10
                                                       15
                                                       20
                                                       25
                                                       30
                                                       40
                                                       50
                                                       60
                                                       80
                                                       100
                                                       140
                                                       200
                                                       250
                                                       300
                                                       350




N                                                 N

    Bedrock at the land surface                                      Depth to Bedrock
                                       Kilometers
                                  0 1 2 3 4 5 6 7 8


                                  0   1   2 3      4       5
                                          Miles
N




         Meters
0   100 200 300 400 500



0   300 600 900 1200 1500
          Feet
N




         Meters
0   100 200 300 400 500



0   300 600 900 1200 1500
          Feet
N




         Meters
0   100 200 300 400 500



0   400 800 1200 1600 2000
          Feet
N




         Meters
0   100 200 300 400 500



0   400 800 1200 1600 2000
          Feet
N




           Meters
0   100   200 300   400   500



0   300 600 900 1200 1500
          Feet
N




           Meters
0   100   200 300   400   500



0   300 600 900 1200 1500
          Feet
N
                                                 Kilometers
                                     0   2        4      6    8   10



                                     0       2            4       6
                                                  Miles
4-foot contours Calumet County, WI
N
                                                       Kilometers
                                           0   2        4      6    8   10



                                           0       2            4       6
                                                        Miles
Quaternary Geology of Calumet County, WI
N
                               Kilometers
                   0   2        4      6    8   10



                   0       2            4       6
                                Miles
Depth to Bedrock
N
                                                      Kilometers
                                          0   2        4      6    8   10



                                          0       2            4       6
                                                       Miles
Depth to Bedrock and Contaminated Wells
N
N
N
Hart, D. J., et al., 2009
Thank You !

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Mapping Carbonate Bedrock

  • 1. Mapping Carbonate Bedrock Surfaces in Glaciated Landscapes
  • 3. Flow Characteristics of fractured carbonate Aquifers • Dense and ubiquitous fracture network – little surface runoff – water easily infiltrates to subsurface • Recharge – exceedingly rapid – carries surface contaminants to the water table • Flow within the aquifer occurs primarily along bedding plane fractures – Little to no attenuation of contaminants within the aquifer • Flow rates vary from 10’s to 100’s of ft/day
  • 4. • 14,000 dairy farms • 1.25 million milk cows. • Each cow produces 150 lbs of waste/day
  • 5.
  • 6. (1.25 million cows) (150 lbs. per day) (365 days) = 34,000,000 tons of waste annually
  • 7. Roads PLSS Well WCRs DEM WCRs Testing Parcel Well Well Surface Bacteria E. Coli Nitrate Location Geology Elevation Cont. Cont. Cont. Surface Elevation – Bedrock Elevation Safe or Unsafe Depth to Contamination Bedrock Depth to Bedrock AND Contamination
  • 8. Digital Well Reports Scanned Paper Well Reports
  • 9. WCRs Data entry pre-1988 WCRs database Geocode by PLSS UNLOCATED pre-1988 WCRs Geocode by Street Address UNLOCATED pre-1988 WCRs N Geocode by Parcel UNLOCATED pre-1988 WCRs
  • 10. WCRs Data entry pre-1988 WCRs database Geocode by PLSS UNLOCATED pre-1988 WCRs Geocode by Street Address UNLOCATED pre-1988 WCRs Geocode by Parcel N UNLOCATED pre-1988 WCRs
  • 11. WCRs Data entry pre-1988 WCRs database Geocode by PLSS UNLOCATED pre-1988 WCRs Geocode by Street Address UNLOCATED pre-1988 WCRs N Geocode by Parcel UNLOCATED pre-1988 WCRs
  • 13. pre-1988 post-1988 NAIP image WCRs WCRs NAIP image Drag point to structure Drag point to structure referred to in WCR referred to in WCR pre-1988 WCRs Data enter geology Geology Table Geology Table pre-1988 post-1988 from WCR from data entry WCRs WCRs database Attach Geology Attach Geology post-1988 pre-1988 WCRs WCRs with with geology geology Merge WCRs WCRs geodatabase
  • 14. pre-1988 post-1988 NAIP image WCRs WCRs NAIP image Drag point to structure Drag point to structure referred to in WCR referred to in WCR
  • 15. pre-1988 post-1988 NAIP image WCRs WCRs NAIP image Drag point to structure Drag point to structure referred to in WCR. referred to in WCR
  • 16. pre-1988 post-1988 NAIP image WCRs WCRs NAIP image Drag point to structure Drag point to structure referred to in WCR referred to in WCR
  • 17. pre-1988 post-1988 NAIP image WCRs WCRs NAIP image Drag point to structure Drag point to structure referred to in WCR referred to in WCR pre-1988 WCRs Data enter geology Geology Table Geology Table pre-1988 post-1988 from WCR from data entry WCRs WCRs database Attach Geology Attach Geology post-1988 pre-1988 WCRs WCRs with with geology geology Merge WCRs WCRs geodatabase
  • 18. 2339 Well Data Points w/geology N
  • 19. WCRs geodatabase QUERY: Select minimum bedrock value WCRs with DEM depth to bedrock ADD surface elevation WCRs with surface elevation surface elevation MINUS Bedrock Topography depth to bedrock WCRs with bedrock Bedrock Interpolate elevation Topography
  • 20. - = Surface Topography Bedrock Topography Surface Topography MINUS Bedrock Topography EQUALS
  • 21. Depth to Bedrock N Kilometers 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 Miles
  • 22. Depth to Bedrock less than 0 5 10 15 20 25 30 40 50 60 80 100 140 200 250 300 350 N N Bedrock at the land surface Depth to Bedrock Kilometers 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 Miles
  • 23. N Meters 0 100 200 300 400 500 0 300 600 900 1200 1500 Feet
  • 24. N Meters 0 100 200 300 400 500 0 300 600 900 1200 1500 Feet
  • 25. N Meters 0 100 200 300 400 500 0 400 800 1200 1600 2000 Feet
  • 26. N Meters 0 100 200 300 400 500 0 400 800 1200 1600 2000 Feet
  • 27. N Meters 0 100 200 300 400 500 0 300 600 900 1200 1500 Feet
  • 28. N Meters 0 100 200 300 400 500 0 300 600 900 1200 1500 Feet
  • 29. N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles 4-foot contours Calumet County, WI
  • 30. N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles Quaternary Geology of Calumet County, WI
  • 31. N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles Depth to Bedrock
  • 32. N Kilometers 0 2 4 6 8 10 0 2 4 6 Miles Depth to Bedrock and Contaminated Wells
  • 33. N
  • 34. N
  • 35. N
  • 36. Hart, D. J., et al., 2009
  • 37.
  • 38.