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  1. Water Mission Area National Spatial Data Infrastructure Datasets
  2. Head Scarp Boundary for the Landslides in the Little North Santiam River Basin, Oregon

Head Scarp Boundary for the Landslides in the Little North Santiam River Basin, Oregon

Dates

Release Date
2010-01-01
Time Period
2009
Publication Date

Citation

Sobieszczyk, S., 2010, Head Scarp Boundary for the Landslides in the Little North Santiam River Basin, Oregon: U.S. Geological Survey data release, https://doi.org/10.5066/P97NXEMS.

Summary

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. Polygons represent head scarps and flank scarps associated with landslide deposits in the Little North Santiam River Basin, Oregon. This work was completed as part of the Master's thesis "Turbidity Monitoring and LiDAR Imagery Indicate Landslides are Primary Source of Suspended-Sediment Load in the Little North Santiam River Basin, Oregon, Winter 2009-2010" by Steven Sobieszczyk, Portland State University and U.S. Geological Survey. Data layers in this [...]

Contacts

Point of Contact :
Steven Sobieszczyk, U.S. Geological Survey
Originator :
Steven Sobieszczyk
Metadata Contact :
U.S. Geological Survey
SDC Data Owner :
Oregon Water Science Center
USGS Mission Area :
Water Resources

Attached Files

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insantiam_LandslideInventory_HeadScarp.xml
Original FGDC Metadata
View 		25.28 KB application/fgdc+xml
LNsantiam_LandslideInventory_gdb.zip 190.47 MB application/zip
LNsantiam_LandslideInventory.jpg thumbnail 78.6 KB image/jpeg

Purpose

Scarps are fracture features associated with landslide deposits. Head scarps represent the upper most extent of the landslide failure zone. Flank scarps occur on either side of a landslide deposit, often as an arcuate failure plane. This data set is one of 4 feature data sets included in a basin-wide landslide inventory. The landslide inventory is one of the essential data layers used to delineate regional landslide susceptibility. This landslide inventory is not regulatory, and revisions can happen when new information regarding landslides is found or future (new) landslides occur. Therefore, it is possible that landslides within the map area were not identified or occurred after the map was prepared. This landslide inventory is intended to provide users with basic information regarding landslides within the Little North Santiam River Basin. The geologic, terrain, and climatic conditions that led to slope failures in the past may provide clues to the locations and conditions of future slope failures, and it is intended that this map will provide useful information to develop regional landslide susceptibility maps, guide site-specific investigations for future developments, assist in regional planning, and mitigation of existing landslides.
Illustration of data set.
Illustration of data set.

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Provenance

These data were originally released on the Water Mission Area National Spatial Data Infrastructure Node and were migrated to sciencebase.gov in 2023. These data were released prior to the October 1, 2016 effective date for the USGS's policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P97NXEMS

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