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Geomorphology Vignettes

These illustrated essays have been contributed by participants in the Teaching Geomorphology in the 21st Century workshop in 2008. The vignettes are drafts that are being written and revised by the participants and are not finished products.


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Subject: Geomorphology

showing only Geoscience > Geology > Geomorphology > Modeling/Physical Experiments Show all Subject: Geomorphology

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Flow in a microtidal channel during within-bank and over-bank tides: Yalimbah Creek, South Eastern Australia.
Gareth Davies
The study of tidal hydrodynamics plays an important role in geomorphic studies of tidal channels. While the hydrodynamic properties of the landform are largely controlled by its morphology, these flows also drive ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Modeling/Physical Experiments, Landforms/Processes, Landforms/Processes:Coastal-zone
Vignette Type: Process, Computation

Understanding soil erosion and landscape evolution using computer based predictive models
Greg Hancock
The ability to measure and model soil erosion and resultant landscape evolution is important because soil erosion has a range of environmental impacts, including loss of organic matter and nutrients, reduction of ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Modeling/Physical Experiments, Landforms/Processes, Landscape Evolution, GIS/Mapping/Field Techniques
Vignette Type: Process, Computation

Development of Palimpsest Landscapes
Jasper Knight
In Physical Geography, a palimpsest landscape is one where, in any given region, the different landforms that make up the landscape are not of the same age, with some surface landforms being very young because they ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landscape Evolution, Landforms/Processes:Hillslopes, Geoscience:Geology:Geomorphology:Modeling/Physical Experiments, Weathering/Soils, Geomorphology as applied to other disciplines, Landforms/Processes:Fluvial, Glacial/Periglacial, Geoscience:Geology:Geomorphology:Dating and Rates, Climate/Paleoclimate, Landforms/Processes
Vignette Type: Chronology, Process, Stratigraphy

Automatic extraction of flow paths from digital elevation models
Kyungrock Paik, Korea University
Once a raindrop falls on the ground, it flows downward. During this journey, the raindrop joins other raindrops and the mass/volume of the water increases, flowing along creeks, streams, and rivers. This is called ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Modeling/Physical Experiments, Geomorphology as applied to other disciplines
Vignette Type: Computation

Erodibility, tensile strength, and the "k" problem in Grand kanyon
Natalie Bursztyn, Utah State University
River profile shape is an important indicator of the geomorphic processes and history that contributed to its modern form. In the case of bedrock streams during episodes of incision, resistance of river-level ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Fluvial, Geoscience:Geology:Geomorphology:Landscape Evolution, Modeling/Physical Experiments, Dating and Rates, Arid Region Geomorphology
Vignette Type: Process, Stratigraphy, Computation, Chronology

Beach replenishment on developed shorelines: a coupled humanlandscape system
Eli Lazarus
Beach replenishment (also called "beach nourishment") is an engineering strategy commonly used on sandy shorelines where erosion threatens coastal property and infrastructure. The process involves ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Modeling/Physical Experiments, Landforms/Processes:Coastal-zone, Geoscience:Geology:Geomorphology:Landforms/Processes
Vignette Type: Process

Human-Induced Floodplain Sedimentation in the Driftless Area of southwestern Wisconsin: Consequences on Riparian Ecosystems
Eric Booth
The Driftless Area of southwestern Wisconsin (Figure 1) is a unique region in the Upper Midwest, USA, because it escaped the direct effects of continental glaciation. In contrast, surrounding areas have been ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Hillslopes, Geoscience:Geology:Geomorphology:Landscape Evolution, Modeling/Physical Experiments, Geomorphology as applied to other disciplines, Landforms/Processes:Fluvial, Glacial/Periglacial, Geoscience:Geology:Geomorphology:Landforms/Processes
Vignette Type: Process, Stratigraphy

The Drying of Sierra Nevada Wet Meadows Impacted by Channel Incision and Opportunities for Restoration
Eric Booth
The Connection Between Groundwater and Stream Channels: When considering the water cycle of a watershed, stream valleys represent a zone where terrestrial and aquatic ecosystems interact through the exchange of ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Modeling/Physical Experiments, Landscape Evolution, Landforms/Processes:Fluvial, Geoscience:Geology:Geomorphology:Landforms/Processes
Vignette Type: Chronology, Process

How is Everglades geomorphology like that of arid Australian rivers and boreal bogs?
Laurel Larsen
Clues from patternsGeormorphic patterns are interesting not just because of the sense of wonder they evoke, but because they provide evidence of a delicate balance created by feedback. If that feedback is ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landscape Evolution, Modeling/Physical Experiments, Landforms/Processes, Landforms/Processes:Fluvial
Vignette Type: Process

Fluvial geomorphology in a tank - The scientific value of physical experiments
Nikki Strong, University of Minnesota-Twin Cities
The beauty and utility of experiments is to illuminate the fundamental processes that drive the evolution of natural systems. Experiments help us build intuition for processes that otherwise might be hard to ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landscape Evolution, Landforms/Processes:Coastal-zone, Geoscience:Geology:Geomorphology:Modeling/Physical Experiments, Tectonic Geomorphology, Geoscience:Geology:Tectonics, Geomorphology:Landforms/Processes, Landforms/Processes:Fluvial, Geoscience:Geology:Geomorphology:Climate/Paleoclimate, Dating and Rates
Vignette Type: Stratigraphy, Chronology, Process, Computation

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