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Landslide Hazard Modeling in the Skagit Basin

Authors: Ronda Strauch · Crystal Raymond · Christina Bandaragoda · Nicoleta Cristea
Owners: Ronda Strauch
Resource type:Composite Resource
Created:Feb 16, 2018 at 9:56 p.m.
Last updated: Oct 25, 2018 at 9:01 p.m. by Ronda Strauch


A study of landslide probability in Skagit Basin as a collaboration (MOA) between University of Washington and Seattle City Light (SCL). The project's objective is to better understand landslides in the watersheds containing the electrical transmission lines and facilities of SCL's Skagit Hydroelectric Project. A recently completed landslide model (Strauch et al. 2018) will be run using subsurface flow derived from a basin calibrated hydrologic model (Distributed Hydrology Soil and Vegetation Model - DHSVM) at 150-m grid resolution. The modeling will estimate contemporary and future probability of landslide initiation and create landslide hazard maps at a 30-m resolution. Future hydrology will be generated from running DHSVM with future climatology from two different Global Climate Models (GCMs) with two different representative concentration pathways (RCPs) emission scenarios for two future time periods. The analysis will also evaluate the sensitivity of the landslide model to subsurface flow and reduced cohesion simulating a fire.

Subject Keywords

hydrology,fire,North Cascades,northwest,landslide,Skagit

How to cite

Strauch, R., C. Raymond, C. Bandaragoda, N. Cristea (2018). Landslide Hazard Modeling in the Skagit Basin, HydroShare, http://www.hydroshare.org/resource/70d746c7da584ae6bd2f88deb5a4c188

This resource is shared under the Creative Commons Attribution CC BY.


Sharing status:

  • Public Resource  Public
  • Sharable Resource  Shareable



 Coordinate System/Geographic Projection:  WGS 84 EPSG:4326
 Coordinate Units:  Decimal degrees
Place/Area Name: North Cascades - Skagit River Watershed

North Latitude
East Longitude
South Latitude
West Longitude


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The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
Ronda Strauch Seattle City Light 700 fifth avenue 2063861620
Crystal Raymond University of Washington Climate Impacts Group
Christina Bandaragoda University of Washington Washington, US
Nicoleta Cristea University of Washington Washington, US 2063560679


This resource was created using funding from the following sources:
Agency Name Award Title Award Number
Seattle City Light A131426


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