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June 24, 2014: SLIDO 3.1 data update - web map, services, and geodatabae only:

 

SLIDO-3.0, Statewide Landslide Information Database for Oregon, release 3, by William J. Burns and Rudie J. Watzig.

One of the most common and devastating geologic hazards in Oregon is landslides. Average annual repair costs for landslides in Oregon exceed $10 million, and severe winter storm losses can exceed $100 million. As population growth continues and development into landslide susceptible terrain occurs, damage and loss from this natural hazard will continue to grow.

DOGAMI created the Statewide Landslide Information Database for Oregon to improve the understanding of landslide hazards in Oregon and to provide a statewide base level of landslide data. SLIDO-3.0 supersedes and includes SLIDO-2 and SLIDO-1 data.

See below for publication contents.

map view of DOGAMI SLIDO-3.0: Statewide Landslide Information Database for Oregon, release 3.0

SLIDO-3.0 supersedes SLIDO-2 and SLIDO-1. Comparison of SLIDO data releases:

  Landslide Polygons Studies Used Historical Landslide Point Locations
SLIDO-1 15,093 257 0
SLIDO-2 22,542 313 10,636
SLIDO-3.0 37,226 347 12,075

Publication Contents

SLIDO-3.0 publication file set contains two publications:

1. Oregon Department of Geology and Mineral Industries publication Statewide Landslide Information Layer for Oregon, release 3 (SLIDO-3.0)
by William J. Burns and Rudie J. Watzig

SLIDO-3.0 report text, appendices, map plate, GIS files and embedded metadata:

1a. Report text:
- "SLIDO-3-text_print.pdf" - PDF-formatted report in high-resolution version suitable for printing
- "SLIDO-3-text_onscreen.pdf" - PDF-formatted report suitable for onscreen viewing

1b. Appendices:
- Appendix A: SLIDO, release 1 (SLIDO-1) publication file set.
- Appendix B: SLIDO, release 2 (SLIDO-2) publication file set.
- Appendix C: Microsoft Excel spreadsheet listing the 347 source references compiled in SLIDO-3.0
- Appendix D: SLIDO-3.0 Geodatabase Structure and Update Procedure

1c. Map plate:
- "SLIDO-3-plate1_print.pdf" - PDF-formatted mapview of data in high-resolution version suitable for printing
- "SLIDO-3-plate1_onscreen.pdf" - PDF-formatted mapview of data suitable for onscreen viewing

To view Adobe Acrobat portable document format (.pdf) files, download the free Adobe Acrobat Reader from Adobe Systems Inc., San Jose, CA. http://www.adobe.com

1d. "SLIDO_Release_3_0.gdb" - Esri ArcView version 10.1 geodatabase of landslide-related features (landslides, debris/alluvial fans, and colluvium/talus) polygons from 346 studies listed in Appendix C. The geodatabase consists of:

- Historic_Landslide_Points feature dataset
- Landslide_Deposit_Polygons feature dataset:
- Deposits – feature class. Landslide deposits.
- Photos – feature class. Rasters of landslide photographs.
- Scarp_Flanks – feature class. Landslide scarp and flank polygons.
- Scarps – feature class. Landslide scarps polylines.
- Index_Detailed_Landslide_Studies feature class
- Index_Reference_Map feature class
- References table
- Detailed metadata is embedded in the geodatabase

and

2. Oregon Department of Geology and Mineral Industries Special Paper 42, Protocol for Inventory Mapping of Landslide Deposits from Light Detection and Ranging (Lidar) Imagery by William J. Burns and Ian P. Madin, Oregon Department of Geology and Mineral Industries

2a. Report text:
- sp-42_print.pdf, format suitable for high-quality printing
- sp-42_onscreen.pdf, format suitable for onscreen viewing

To view Adobe Acrobat portable document format (.pdf) files, download the free Adobe Acrobat Reader from Adobe Systems Inc., San Jose, CA. http://www.adobe.com

2b. "geodatabase_template" folder:
- Landslide_Inventory_Template_Arcinfo.gdb - includes relationship classes between the feature classes
- Landslide_Inventory_Template_Arcview.gdb
- sr_Toolbox.tbx - additional tools: Find Unmatched Features and Unjoin Layers


Disclaimer
This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. Users of this information should review or consult the primary data and information sources to ascertain the usability of the information. This publication cannot substitute for site-specific investigations by qualified practitioners. Site-specific data may give results that differ from the results shown in the publication.

Funding
Funding for SLIDO-3.0 was provided by DOGAMI.