JM
Member Since 2001
Jill A. Marshall
Assistant Professor, Portland State University
AGU Research
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A Multi-Chronometer Approach to Constrain Alluvial Fan Formation in the Northwest Territories, Canada
UNRAVELING SOURCE-TO-SINK DYNAMICS FROM SEDIMENTARY RECORDS I POSTER
earth and planetary surface processes | 15 december 2023
Bailey Nordin, Alexander Getraer, Jill A. Marshall...
Climate change in the Arctic accelerates changes in already dynamic landscapes, increasing permafrost degradation and upland erosion and transport fro...
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Rock Wall Fracture Density as a Potential Control on River Valley Width in the Buffalo River National River, Arkansas
FLUID FLOW, SEDIMENT TRANSPORT, AND LANDSCAPE EVOLUTION IN FLUVIAL SYSTEMS ACROSS SCALES V POSTER
earth and planetary surface processes | 14 december 2023
Kindle Hon, Jill A. Marshall, Abigail L. Langston,...
Although it can seem intuitive that rock hardness is the primary control on bedrock valley widening, variations in valley width can occur even when ro...
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Key Constraints in the Seismic Signature of Tree-Captured Wind Using Collocated Pressure, Wind Speed, and Ground Motion Measurements
ENVIRONMENTAL SEISMOLOGY: A GEOPHYSICAL TOOL TO STUDY SURFACE AND NEAR-SURFACE PROCESSES II ORAL
seismology | 14 december 2023
Mel Zhang, Danica L. Roth, Valerie J. Sahakian, Ji...
Recent research has increasingly revealed the importance of biota in Critical Zone geomorphic processes such as weathering and mass movement. While ve...
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Using Seismology to Examine the Weathering Potential of Tree-Captured Wind
LIFE AND LANDSCAPES ACROSS SCALES: HOW SURFACE PROCESSES SHAPE AND ARE SHAPED BY ECOLOGY, EVOLUTION, AND BEHAVIOR II POSTER
earth and planetary surface processes | 14 december 2023
Mel Zhang, Danica L. Roth, Valerie J. Sahakian, Ji...
Recent field studies indicate that wind energy transmitted by plant roots is an important yet unquantified driver of physical weathering and soil prod...
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Design and testing of a rapid sample preparation and double torsion testing for stress corrosion fracture testing under controlled environmental conditions
FROM THE TECTONIC ROCK CRUSHER TO THE CRACKING SURFACE: CONNECTIONS BETWEEN PROGRESSIVE ROCK FAILURE, EROSION, AND THE CRITICAL ZONE POSTER
earth and planetary surface processes | 12 december 2023
Alex Rinehart, Marissa Fichera, Martha Cary C. Epp...
Time and rate dependent rock fracture properties are increasingly tied to the rates and style of a wide range of planetary processes, from mechanical ...
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Peering into the frost cracking window - Physical experiments at 68oN, Aklavik Range, Canada
DRIVERS OF EARTH'S SURFACE CHANGE IN AN ERA OF RAPID CLIMATE AND LAND USE CHANGE I POSTER
earth and planetary surface processes | 11 december 2023
Nathan Peters, Jill A. Marshall, Marisa C. Palucis...
In cold climates, rock damage induced by frost cracking can be the predominant physical weathering process and thus an important geomorphic agent. Cra...
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Identifying the Seismic Power Contribution of Tree-Captured Wind Using the Earthscope Transportable Array
ENVIRONMENTAL SEISMOLOGY: A GEOPHYSICAL TOOL TO STUDY SURFACE AND NEAR-SURFACE PROCESSES IV POSTER
seismology | 12 december 2022
Mel Zhang, Danica L. Roth, Valerie J. Sahakian, Ji...
In recent years, seismic signals previously thought of as noise have become a subject of study for environmental seismologists. These signals can reve...
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Significant Human Modification of the Lower Arkansas River Sediment Budget
GEOPHYSICAL RESEARCH LETTERS
13 september 2022
Hehe Chen, John Shaw, Glenn Sharman, Jill A. Marsh...
Anthropogenic stressors on large rivers have significantly modified riverine sediment transport. However, the impacts of dredging and sand and grav...