Annualmeeting:2017 CSDMS meeting-127: Difference between revisions
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{{CSDMS meeting personal information template-2014 | {{CSDMS meeting personal information template-2014 | ||
|CSDMS meeting first name= | |CSDMS meeting first name=Qi | ||
|CSDMS meeting last name= | |CSDMS meeting last name=Li | ||
|CSDMS meeting institute= | |CSDMS meeting institute=Georgia Institute of Technology | ||
|CSDMS meeting city= | |CSDMS meeting city=Atlanta | ||
|CSDMS meeting country=United States | |CSDMS meeting country=United States | ||
|CSDMS meeting state= | |CSDMS meeting state=Georgia | ||
|CSDMS meeting email address= | |CSDMS meeting email address=qli1@gatech,edu | ||
|CSDMS meeting phone= | Gable Mills Unit 1928 | ||
|CSDMS meeting phone=5040909989 | |||
}} | }} | ||
{{CSDMS meeting scholar and pre-meeting | {{CSDMS meeting scholar and pre-meeting | ||
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{{CSDMS meeting select clinics2 | {{CSDMS meeting select clinics2 | ||
|CSDMS_meeting_select_clinics2= | |CSDMS_meeting_select_clinics2=4) The Sediment Experimentalist Network (SEN) | ||
}} | }} | ||
{{CSDMS meeting select clinics3 | {{CSDMS meeting select clinics3 | ||
|CSDMS_meeting_select_clinics3= | |CSDMS_meeting_select_clinics3=1) Parflow groundwater modeling | ||
}} | }} | ||
{{CSDMS scholarships yes no | {{CSDMS scholarships yes no | ||
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{{CSDMS meeting abstract title temp | {{CSDMS meeting abstract title temp | ||
|CSDMS meeting abstract title= | |CSDMS meeting abstract title=Sea-level responses to sediment erosion and deposition in the eastern United States since the mid-Pliocene climate optimum | ||
}} | }} | ||
{{CSDMS meeting authors template | {{CSDMS meeting authors template | ||
|CSDMS meeting coauthor first name abstract= | |CSDMS meeting coauthor first name abstract=Ken | ||
|CSDMS meeting coauthor last name abstract= | |CSDMS meeting coauthor last name abstract=Ferrier | ||
|CSDMS meeting coauthor institute / Organization= | |CSDMS meeting coauthor institute / Organization=Georgia Institute of Technology | ||
|CSDMS meeting coauthor town-city= | |CSDMS meeting coauthor town-city=Atlanta | ||
|CSDMS meeting coauthor country=United States | |CSDMS meeting coauthor country=United States | ||
|State= | |State=Georgia | ||
|CSDMS meeting coauthor email address= | |CSDMS meeting coauthor email address=ken.ferrier@eas.gatech.edu | ||
}} | }} | ||
{{CSDMS meeting abstract template | {{CSDMS meeting abstract template | ||
|CSDMS meeting abstract= | |CSDMS meeting abstract=The Orangeburg Scarp along the U.S. east coast is a paleoshoreline that formed during the mid-Pliocene climate optimum (MPCO; 3.3-2.9 Ma), a warm period considered to be an analog for modern climate. At present, the Orangeburg Scarp varies in elevation from ~33 to ~82 m along its ~1000-km length, implying that it has been heterogeneously warped since its formation. Recent studies suggest that some of the variations in the paleoshoreline elevation might be driven by regional sediment loading and unloading. In this study, we use a gravitationally self-consistent sea-level model to quantify the influence of sediment erosion and deposition on sea-level changes since the MPCO along the U.S. east coast. We drive the sea-level model with existing ice models and a new compilation of sediment redistribution, which is inferred from erosion rates in basins draining the Appalachians and deposition rates in the lower portions of these basins and offshore. Preliminary results suggest that sediment redistribution can significantly perturb paleoshoreline elevations along the Orangeburg Scarp, which suggests that accounting for regional erosion and deposition can advance our ability to estimate ice volume during at the MPCO and improve our understanding of the evolution of continental margins. | ||
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Latest revision as of 17:55, 1 April 2017
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Sea-level responses to sediment erosion and deposition in the eastern United States since the mid-Pliocene climate optimum
Qi Li, Georgia Institute of Technology Atlanta Georgia, United States. qli1@gatech,edu
Gable Mills Unit 1928
Ken Ferrier, Georgia Institute of Technology Atlanta Georgia, United States. ken.ferrier@eas.gatech.edu
[[Image:|300px|right|link=File:]]The Orangeburg Scarp along the U.S. east coast is a paleoshoreline that formed during the mid-Pliocene climate optimum (MPCO; 3.3-2.9 Ma), a warm period considered to be an analog for modern climate. At present, the Orangeburg Scarp varies in elevation from ~33 to ~82 m along its ~1000-km length, implying that it has been heterogeneously warped since its formation. Recent studies suggest that some of the variations in the paleoshoreline elevation might be driven by regional sediment loading and unloading. In this study, we use a gravitationally self-consistent sea-level model to quantify the influence of sediment erosion and deposition on sea-level changes since the MPCO along the U.S. east coast. We drive the sea-level model with existing ice models and a new compilation of sediment redistribution, which is inferred from erosion rates in basins draining the Appalachians and deposition rates in the lower portions of these basins and offshore. Preliminary results suggest that sediment redistribution can significantly perturb paleoshoreline elevations along the Orangeburg Scarp, which suggests that accounting for regional erosion and deposition can advance our ability to estimate ice volume during at the MPCO and improve our understanding of the evolution of continental margins.
