2023 CSDMS meeting-053: Difference between revisions
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|CSDMS_meeting_select_clinics3_2023= | |CSDMS_meeting_select_clinics3_2023=4) Will not attend a clinic this day | ||
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|CSDMS meeting abstract title= | |CSDMS meeting abstract title=40 Years of Observed and Predicted Growth in a Small Boreal Delta | ||
|Working_group_member_WG_FRG=Terrestrial Working Group, Hydrology Focus Research Group | |Working_group_member_WG_FRG=Terrestrial Working Group, Hydrology Focus Research Group | ||
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|CSDMS meeting coauthor first name abstract=Tamlin | |||
|CSDMS meeting coauthor last name abstract=Pavelsky | |||
|CSDMS meeting coauthor institute / Organization=University of North Carolina at Chapel Hill | |||
|CSDMS meeting coauthor town-city=Chapel Hill | |||
|CSDMS meeting coauthor country=United States | |||
|State=North Carolina | |||
|CSDMS meeting coauthor email address=pavelsky@unc.edu | |||
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|CSDMS meeting coauthor first name abstract=Douglas | |||
|CSDMS meeting coauthor last name abstract=Edmonds | |||
|CSDMS meeting coauthor institute / Organization=Indiana University Bloomington | |||
|CSDMS meeting coauthor town-city=Bloomington | |||
|CSDMS meeting coauthor country=United States | |||
|State=Indiana | |||
|CSDMS meeting coauthor email address=edmondsd@indiana.edu | |||
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{{CSDMS meeting abstract template 2023 | {{CSDMS meeting abstract template 2023 | ||
|CSDMS meeting abstract= | |CSDMS meeting abstract=The Peace-Athabasca Delta (PAD) in Alberta, Canada is among the largest inland deltas in the world. Within the PAD, a new subdelta began forming in 1982 when the Embarras River avulsed into Mamawi Creek. Because the resulting Mamawi Creek Delta formed so recently, satellite imagery and field data constrain its entire development. In this work, we examine the 40-year progradation of Mamawi Creek Delta with morphodynamic modeling informed by field data, and satellite remote sensing. First, we use field observations of flow, sediment characteristics and Mamawi Lake bathymetry to construct a site-specific model of Mamawi Creek Delta using Delft3D. Then, to assess how well the model captures the observed progradation of this delta, we iteratively compare predicted delta growth against that measured from optical Landsat images. Based on these comparisons, we adjust key model parameters to create a more realistic morphodynamic simulation of Mamawi Creek Delta and better understand growth patterns. | ||
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Revision as of 09:43, 31 March 2023
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Matthew Rossi choose to not submit an abstract for this conference.
Tamlin Pavelsky, University of North Carolina at Chapel Hill Chapel Hill North Carolina, United States. pavelsky@unc.edu
Douglas Edmonds, Indiana University Bloomington Bloomington Indiana, United States. edmondsd@indiana.edu
The Peace-Athabasca Delta (PAD) in Alberta, Canada is among the largest inland deltas in the world. Within the PAD, a new subdelta began forming in 1982 when the Embarras River avulsed into Mamawi Creek. Because the resulting Mamawi Creek Delta formed so recently, satellite imagery and field data constrain its entire development. In this work, we examine the 40-year progradation of Mamawi Creek Delta with morphodynamic modeling informed by field data, and satellite remote sensing. First, we use field observations of flow, sediment characteristics and Mamawi Lake bathymetry to construct a site-specific model of Mamawi Creek Delta using Delft3D. Then, to assess how well the model captures the observed progradation of this delta, we iteratively compare predicted delta growth against that measured from optical Landsat images. Based on these comparisons, we adjust key model parameters to create a more realistic morphodynamic simulation of Mamawi Creek Delta and better understand growth patterns.
