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Landslide Hazard Modeling in the Skagit Basin


Authors: Ronda Strauch Crystal Raymond Christina Bandaragoda Nicoleta Cristea
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Resource type: Composite Resource
Storage: The size of this resource is 1.6 GB
Created: Feb 16, 2018 at 9:56 p.m.
Last updated: Jun 03, 2019 at 10:32 p.m.
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Content types: Geographic Feature Content  Geographic Raster Content 
Sharing Status: Public
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Abstract

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.

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Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
North Cascades - Skagit River Watershed
North Latitude
48.9883°
East Longitude
-120.6427°
South Latitude
48.2512°
West Longitude
-121.7029°

Content

Credits

Funding Agencies

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

How to Cite

Strauch, R., C. Raymond, C. Bandaragoda, N. Cristea (2019). 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.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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