DOGAMI SPECIAL Paper Series

[Go back] | Publications Center | DOGAMI Home

Publication Preview

Special Paper 46, Surficial and bedrock engineering geology, landslide inventory and susceptibility, and surface hydrography of the Bull Run Watershed, Clackamas and Multnomah Counties, Oregon, by William J. Burns, Katherine A. Mickelson, Cullen B. Jones, Mathew A. Tilman, and Dan E. Coe.

Download publication (204 MB .zip file)

SP-46 includes 59 p. text report plus appendices, GIS data, and five map plates as described below.

GIS DATA:
Three Esri v10.1 geodatabases

Bull_Run_Landslide_Inventory.gdb
feature dataset: GIS_DATA
feature classes: Deposits (polygons)
Photos (points)
Scarp_Flanks (polygons)
Scarps (polylines)

Bull_Run_Shallow_Deep_Landslide_Susceptibility.gdb
feature classes:
Bedrock_geology (polygons)
Deep_Landslide_Susceptibility (polygons)
Shallow_Landslide_Susceptibility (raster)
Surficial_Geology (polygons)

Bull_Run_Hydrography.gdb
feature dataset: Hydrography
feature classes:
Area (polygons)
Flowline (polylines)
Waterbody (polygons)
feature dataset: WBD
feature classes:
HU10 (polygons)
HU12 (polygons)

APPENDICES:
Appendix A. Supplementary Material for Creating Landslide Inventory Data
Appendix B. Supplementary Material for Creating shallow landslide susceptibility Data
Appendix C. Supplementary material for Creating Deep landslide susceptibility Data
Appendix D. Process Used to Create the Surface Hydrography Geodatabase

Appendix A consists of:
PDF report text from DOGAMI Special Paper 42, Landslide protocol for inventory mapping of landslide deposits from light detection and ranging (lidar) imagery (Burns and Madin, 2009).
PDF of Appendix A, 1998 database table excerpted from Landslide assessment and monitoring project, Bull Run conduit corridor, Bull Run, Oregon (Landslide Technology, 2003).

Appendix B consists of:
PDF report text from DOGAMI Special Paper 45, Protocol for shallow-landslide susceptibility mapping (Burns and others, 2012c).
Raw geotechnical material properties data Microsoft® Excel® spreadsheet.
Raw factor of safety calculations Excel® spreadsheet.

Appendix C consists of:
PDF of Deep landslide susceptibility mapping method; 14 pages extracted DOGAMI Open-File Report O-13-08, Landslide hazard and risk study of northwestern Clackamas County, Oregon (Burns and others, 2013)
PDF of Deep landslide susceptibility: Geographic Information System (GIS) method
PDF of Raw results of the deep landslide susceptibility analysis for Bull Run Watershed

Appendix D. Process Used to Create the Surface Hydrography Geodatabase

MAP PLATES:
Plate 1. Landslide inventory map of the Bull Run Watershed, scale 1:24,000
Plate 2. Shallow landslide susceptibility map of the Bull Run Watershed, scale 1:24,000
Plate 3. Deep landslide susceptibility map of the Bull Run Watershed, scale 1:24,000
Plate 4. Detailed map of the Bull Run Lake Landslide, scale 1:5,000
Plate 5. Surface hydrography map of the Bull Run Watershed, scale 1:24,000

SP-46, Plate 1, Landslide Inventory

SP-46, Plate 2, Shallow Landslide Susceptibility

SP-46, Plate 3, Deep Landslide Susceptibility

SP-46, Plate 4, Bull Run Landslide

SP-46, Plate 5, Hydrography