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High Water MarksCrowd Sourcing-History- GeographyMelinda Luna, P.E., CFMOctober 2011 | Flood Mapping Services
The Problem: Flood Deaths              www.tnris.org/status-maps                                                          ...
The Problem: Theoretical Floodplainswww.tnris.org/status-maps                                 Initial                     ...
Missing Ingredient:                             Highwater marks                               gwww.tnris.org/status-maps  ...
Missing Ingredient: Highwater marks   g
Highwater Marks Websitewww.tnris.org/status-maps    t i     g/ t t                            Total for State: 6,500
Types of high water marks
Thank you to our Partners:
Sources of Highwater MarksUSDA-NRCS,       USGS, 2.8%   Communities,   0.3%                          6.8%                 ...
Other Methods of acquiring     www.tnris.org/status-maps         t i     g/ t t          Highwater Mark dataWeb services  ...
High Water Marks in Texas    2500+                                                       Dallam         Sherman Hansford O...
How can HWM’s help in                       Floodplain Mapping?•Calibration of Hydraulic models•Research projects•Uses out...
Highwater marks - History                              June 1965 –Sanderson, TexasMay 1981 – Austin, Texas     September 2...
Highwater marks: Geographywww.tnris.org/status-maps
Thank youSend any highwater marks to:Highwatermarks@tnris.orgHigh t r rk @t ri rgFloodplain Mapping S iFl d l i M       i ...
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Texas high water marks crowd sourcing history, culture, and geography

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Melinda Luna, Team Lead, TNRIS

Presented at the 2011 Texas GIS Forum

Published in: Technology, Business
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Transcript of "Texas high water marks crowd sourcing history, culture, and geography"

  1. 1. High Water MarksCrowd Sourcing-History- GeographyMelinda Luna, P.E., CFMOctober 2011 | Flood Mapping Services
  2. 2. The Problem: Flood Deaths www.tnris.org/status-maps Number of State Flood Deaths(1960- 2008) Texas 657 S Dakota 246 Virginia 224 California 186 Colorado 185Source: Rising Waters, The Causes and Consequences of Flooding in theUnited StatesSamuel D. Brody, W E Highfield, Jung Eun Kang
  3. 3. The Problem: Theoretical Floodplainswww.tnris.org/status-maps Initial Floodplain Floodplain after Highwater marks Highwater mark
  4. 4. Missing Ingredient: Highwater marks gwww.tnris.org/status-maps CIRCA ~ 1400 AD “High d lli “Hi h dwellings are the peace and harmony of our descendants, Remember the calamity of the great tsunamis. Do not build any homes below this point. point "
  5. 5. Missing Ingredient: Highwater marks g
  6. 6. Highwater Marks Websitewww.tnris.org/status-maps t i g/ t t Total for State: 6,500
  7. 7. Types of high water marks
  8. 8. Thank you to our Partners:
  9. 9. Sources of Highwater MarksUSDA-NRCS, USGS, 2.8% Communities, 0.3% 6.8% FEMA, 5 7% FEMA 5.7% USACE, 29.6% HCFCD, 42.5% Tx DOT, 6.0% NWS, 3.4% NWS 3 4%LCRA, 2.3% IBWC, 0.6%
  10. 10. Other Methods of acquiring www.tnris.org/status-maps t i g/ t t Highwater Mark dataWeb services Webservices Geospatial Pdf http://services.tnris.org/arcgis/servic es/High_Water_Marks/MapServer/W MSServer? Gemss.tnris.org
  11. 11. High Water Marks in Texas 2500+ Dallam Sherman Hansford Ochiltree Lipscomb 101 - 260 Total for State: 6,500 Hartley Moore Hutchinson Roberts Hemphill Oldham Potter Carson Gray Wheeler 51 - 100 As f A of 10/20/2011 Deaf Smith Randall Armstrong Donley Collingsworth 26 - 50 Parmer Castro Swisher Briscoe Hall Childress Hardeman Bailey Lamb Hale Floyd Motley Cottle Wilbarger 11 - 25 Foard Wichita Clay Montague Cooke Grayson Lamar Red River Cochran Hockley Lubbock Crosby Dickens King Knox Baylor Archer Fannin Bowie 1 - 10 Yoakum Terry Lynn Garza Kent Stonewall Haskell Throckmorton Young Jack Wise Denton Collin Hunt Delta Hopkins Titus Morris Cass Franklin Camp Rockwall Rains StephensPalo Pinto Parker Wood Upshur Marion None Identified Gaines Dawson Borden Scurry Fisher Jones Shackelford Tarrant Dallas KaufmanVan Zandt Harrison Hood Johnson Gregg Ellis Smith Andrews Martin Howard Mitchell Nolan Taylor Callahan Eastland Erath Somervell Henderson Rusk Panola Hill Navarro Glasscock Comanche Bosque El Paso Loving Winkler Ector Midland Coke Runnels Cherokee Sterling Coleman Brown Anderson Shelby Hamilton Freestone Tom Green Nacogdoches Ward Mills McLennan Limestone Hudspeth Culberson Crane Upton Reagan Coryell San Augustine Sabine Reeves Irion Concho Leon Houston McCullochSan Saba Lampasas Falls Angelina Bell Robertson Madison Trinity Schleicher Menard Pecos Burnet Milam Walker Polk Tyler Jasper Newton Jeff Davis Crockett Mason Llano Williamson Brazos Grimes San Jacinto Sutton Kimble Burleson Gillespie Blanco Travis Lee Montgomery Hardin Terrell Washington Liberty Orange Kerr Hays Bastrop Presidio Edwards AustinWaller Val Verde Kendall Real Caldwell Fayette Harris Jefferson Brewster Comal Bandera Chambers Guadalupe Colorado Fort Bend Bexar Gonzales Galveston Kinney Uvalde Medina Lavaca Wharton Wilson Brazoria DeWitt Maverick Jackson Zavala Frio Atascosa Karnes Victoria Matagorda Goliad Calhoun Dimmit McMullen Bee La Salle Live Oak Refugio San PatricioAransas Webb Duval Jim Wells Nueces Kleberg Zapata Jim Hogg Brooks Kenedy Starr Willacy Hidalgohighwatermarks@tnris.org Cameron
  12. 12. How can HWM’s help in Floodplain Mapping?•Calibration of Hydraulic models•Research projects•Uses outside floodplain mapping•Recreate Historic Flood Events•Outreach – Understanding flooding Outreach
  13. 13. Highwater marks - History June 1965 –Sanderson, TexasMay 1981 – Austin, Texas September 2008-Galveston
  14. 14. Highwater marks: Geographywww.tnris.org/status-maps
  15. 15. Thank youSend any highwater marks to:Highwatermarks@tnris.orgHigh t r rk @t ri rgFloodplain Mapping S iFl d l i M i g Services – M i Li 512 463 8337 Main Line 512-463-8337Texas Natural Resources Information Systems,a part of the Texas Water Development BoardMelinda Luna, P.E., CFM512-463-9625Melinda.Luna@twdb.state.tx.us
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