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Coastal rivers: the missing link in source to sink understanding of sediment flux in a changing world

Gardner, John (2021) Coastal rivers: the missing link in source to sink understanding of sediment flux in a changing world. In: Pitt Momentum Fund 2021.

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Abstract

Rivers connect continents to coasts moving sediment needed to sustain coastal ecosystems. Slow moving, coastal rivers are known to be “bottlenecks” that control how much sediment actually reaches coasts. Yet, coastal rivers are typically ignored in estimates of riverine sediment delivery to coasts and few approaches are able to measure the influence of coastal rivers. We developed a satellite remote sensing method to measure suspended sediment concentration spatially along rivers. We will use this method to measure concentrations along hundreds of coastal rivers across the U.S. to test if we can use spatial data to infer the amount of sediment deposition, sediment source, and/or sediment transport process (e.g. tide, waves, or river). If our approach is successful, we will be able to apply it to coastal rivers globally and over time from 1984 to now to explore how sea-level rise and human activities are shifting coastal sediment dynamics over time. Outcomes of this project and its future work will provide the first sediment database for coastal rivers and information for sediment management practices that protect coastal ecosystems.


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Details

Item Type: Conference or Workshop Item (Poster)
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Gardner, JohnJRG150@pitt.eduJRG1500000-0002-1454-5074
Centers: Other Centers, Institutes, Offices, or Units > Office of Sponsored Research > Pitt Momentum Fund
Date: 2021
Event Title: Pitt Momentum Fund 2021
Event Type: Other
DOI or Unique Handle: 10.18117/c6z8-ev82
Schools and Programs: Dietrich School of Arts and Sciences > Geology and Environmental Science
Refereed: No
Date Deposited: 26 Mar 2021 19:09
Last Modified: 13 Jul 2021 14:36
URI: http://d-scholarship.pitt.edu/id/eprint/40347

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