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Keweenaw Bay Water Resources: Turbidity Data Decision Support for Shoreline Assessment and Management in Lake Superior'S Keweenaw BayThe Keweenaw Bay Indian Community (KBIC) has shoreline along the south of Lake Superior that is contaminated with copper stamp sands from legacy mining. The stamp sands have been capped with sandy-loam soils and restored native species, but erosion and flooding threaten to re-deposit these stamp sands onto wetlands and into the bay. Erosion and flooding also threaten loss of beaches and shoreline, infrastructure, wetland restoration projects, and coastal highways, which has driven shoreline armoring. However, while shoreline armoring can be effective in protecting the intended areas, it can also exacerbate erosion in nearby unarmored areas, so its net impact on the shoreline is yet to be quantified. The DEVELOP team partnered with KBIC and the Environmental Protection Agency (EPA) to utilize imagery from Landsat 8 Operational Land Imager (OLI) and Sentinel-2 Multispectral Instrument (MSI) in order to analyze turbidity proxies. The results from these analyses showed that seasonal variation in study area was greatest during the season dominated by rain, but spatial variability across our study period did not show a clear trend. These results will be used to better inform future shoreline management efforts and support resilience in the face of more coastal erosion.
Document ID
20220019208
Acquisition Source
Langley Research Center
Document Type
Other - DEVELOP Fall 2022 technical report
Authors
Khaim Syed-Raza
(Science Systems and Applications (United States) Lanham, Maryland, United States)
Lisa Siewert
(Science Systems and Applications (United States) Lanham, Maryland, United States)
Nora Whitelaw-McDonald
(Science Systems and Applications (United States) Lanham, Maryland, United States)
Sofia Vakhutinsky
(Science Systems and Applications (United States) Lanham, Maryland, United States)
Date Acquired
December 22, 2022
Publication Date
November 18, 2022
Subject Category
Earth Resources And Remote Sensing
Funding Number(s)
WBS: 970315.02.02.01.08
CONTRACT_GRANT: NNL16AA05C
Distribution Limits
Public
Copyright
Portions of document may include copyright protected material.
Technical Review
Professional Review
Keywords
remote sensing
Landsat 8-OLI
Sentinel-2
coastal
erosion
turbidity
stamp sands
GEE
NDTI
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