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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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The influence of volcanism on Andean Rivers
Scott Hynek
The Andean Cordillera spans more than 60° of latitude along the western margin of the South American continent. The climate, tectonics, and morphology of the range are known to vary considerably and predictably ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Dating and Rates, Landforms/Processes:Volcanoes, Geoscience:Geology:Geomorphology:Landscape Evolution, Arid Region Geomorphology, Landforms/Processes:Fluvial
Vignette Type: Stratigraphy, Chronology

Surficial carbonate and land surfaces of the Pamir Plateau, Tajikistan
Scott Hynek
The Pamir plateau is a prominent physiographic feature in Central Asia (Figure 1). The geomorphology of the plateau interior is a result of its geologic setting and its climate. The Pamir plateau is surrounded by ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Fluvial, Glacial/Periglacial, Geoscience:Geology:Geomorphology:Weathering/Soils, Climate/Paleoclimate, Dating and Rates, Arid Region Geomorphology
Vignette Type: Process, Chronology

The pattern and timing of the last Pleistocene glaciation in northeastern Utah: evidence of an ancient lake effect
Ben Laabs, SUNY College at Geneseo
Setting During the last Pleistocene glaciation, the highest mountains in northern Utah were blanketed by snow and ice, accumulating in broad cirques to form valley glaciers. The Great Salt Lake rose more than 300 ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Glacial/Periglacial, Geoscience:Geology:Geomorphology:Landforms/Processes, Climate/Paleoclimate
Vignette Type: Chronology, Process, Stratigraphy

How to reconstruct past debris flows using tree rings
Michelle Bollschweiler
1. What is a debris flow and what are the associated problems? Debris flows are a type of mass movement involving rapid transport of water and saturated material (sand, mud, blocks, organic matter, ...) down steep, ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes, Geomorphology as applied to other disciplines, Dating and Rates, Landforms/Processes:Mass Movement
Vignette Type: Chronology

Soil versus rock-dominated landscapes
Arjun Heimsath
Introduction When you look at a hilly, gently sloped landscape do you ever wonder why it's covered with soil? Similarly, when you're on your favorite hike through a steep, mountainous landscape do you ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Tectonic Geomorphology, Landforms/Processes:Hillslopes, Geoscience:Geology:Geomorphology:Landforms/Processes, Geoscience:Geology:Tectonics, Geomorphology:Weathering/Soils
Vignette Type: Process

The humped soil production function
Arjun Heimsath
Introduction When you walk across your favorite hill do you ever think about what you're walking on? Ever wonder what's beneath your feet and why it's there? If you've wondered about the soil ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Weathering/Soils, Dating and Rates, Landscape Evolution
Vignette Type: Process

Some useful Non-dimensional Numbers in Geomorphology and the Art of Deriving New Ones
Nikki Strong, University of Minnesota-Twin Cities
Units of Measure One can express physical quantities in terms of many different units of measure and a particular quantity can take on very different numerical values under different unit systems. For example, ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Dating and Rates, Modeling/Physical Experiments, Landscape Evolution, Landforms/Processes
Vignette Type: Computation

Debris flow behavior: Impacts of compositional variability and channel geometry at Mt. Ruapehu, New Zealand
Brian Kastl
Debris flows are violent geomorphological hazards that threaten lives and infrastructure near mountains around the globe. Areas surrounding volcanoes are particularly susceptible to these torrents of boulders, ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Mass Movement, Volcanoes, Geoscience:Geology:Geomorphology:Weathering/Soils, Landforms/Processes:Fluvial, Hillslopes, Geoscience:Geology:Geomorphology:Landforms/Processes, GIS/Mapping/Field Techniques
Vignette Type: Process

Causes of Streambank Erosion
Frank Reckendorf
Streambank erosion is a natural phenomenon but can become accelerated because of changes at the watershed and/or reach level. Background conditions are established using old photographs and maps and compare rates ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Fluvial
Vignette Type: Process

Use of Large Woody Materials and Large Wood in Streambank Erosion Control
Frank Reckendorf
In recent years, woody material has been used to add a habitat component to the use of woody materials for bank protection. However, the use of large woody materials for bank protection has a long history. Use of ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Fluvial
Vignette Type: Process

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