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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 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

Holocene landscape evolution of alpine areas in the southern San Juan Mountains, Colorado
Brad Johnson, Appalachian State University
Alpine landscapes that were glaciated during the Last Glacial Maximum are filled with landforms which are often confusing and difficult to understand. Yet, many researchers are drawn to researching problems in ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:GIS/Mapping/Field Techniques, Landforms/Processes:Glacial/Periglacial, Mass Movement, Geoscience:Geology:Geomorphology:Landscape Evolution, Dating and Rates, Landforms/Processes, Climate/Paleoclimate
Vignette Type: Process, Chronology

Beneath the surface of coastal lowlands: archives of mid- to late-Holocene subduction zone earthquakes
Harvey Kelsey
Introduction Coastal lowland marshes (Figure 1) are more than just muddy shorelines where your feet get stuck as you try to walk around. Geologically, coastal marshes are low-energy settings where fine-grained ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Coastal-zone, Geoscience:Geology:Geomorphology:Weathering/Soils, Geoscience:Geology:Tectonics, Geomorphology:Landforms/Processes, Tectonic Geomorphology
Vignette Type: Stratigraphy, Process, Chronology

Marine terraces in mid-latitude settings: the case of the Oregon USA coast
Harvey Kelsey
Marine terraces are terraced landforms that occur as elevated flats inboard of, and parallel to, coastlines. Outstanding examples of a stair-step landscape of marine terraces can be found in many places in the ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes, Tectonic Geomorphology, Geoscience:Geology:Tectonics, Geomorphology:Dating and Rates, Landforms/Processes:Coastal-zone, Geoscience:Geology:Geomorphology:Climate/Paleoclimate
Vignette Type: Process, Chronology

Reconstructing the geomorphic history of a cave: a case study from Liang Bua, Indonesia
Kira Westaway
Liang Bua, a large cave situated 16 km from Ruteng in western Flores, Indonesia (Figure 1), was formed as a subterranean chamber over 600 ka. From this time to the present, a series of geomorphic events influenced ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Karst, Fluvial, Geoscience:Geology:Geomorphology:Landscape Evolution, Tectonic Geomorphology, Geoscience:Geology:Tectonics, Geomorphology:GIS/Mapping/Field Techniques, Landforms/Processes:Hillslopes, Geoscience:Geology:Geomorphology:Climate/Paleoclimate, Dating and Rates
Vignette Type: Stratigraphy, Process, Chronology

Establishing cave exposure using evidence from river deposits: a case study from Liang Bua, Indonesia
Kira Westaway
Liang Bua, in western Flores, Indonesia (Figure 1) is a large limestone chamber with a wide entrance and a cathedral-like atmosphere. It's name, meaning 'cool cave' explains its attraction as an ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Fluvial, Geoscience:Geology:Geomorphology:Landforms/Processes, Landscape Evolution, Tectonic Geomorphology, Geoscience:Geology:Tectonics, Geomorphology:GIS/Mapping/Field Techniques, Landforms/Processes:Karst, Geoscience:Geology:Geomorphology:Dating and Rates
Vignette Type: Stratigraphy, Process, Chronology

Climate change in the dead heart of Australia
Joshua Larsen
Despite the absence of large-scale glaciation, the Australian continent has experienced substantial environmental change throughout the Quaternary period. This is especially pronounced in central Australia, where ...

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

Landscape response in the California Coast Ranges to the stormy conditions of the Pleistocene to Holocene climatic transition
Antonio Garcia
Introduction: temporal scales, spatial scales, climate, and tectonics A long-standing problem in geomorphology is identifying the relative roles of climate and tectonism on landscape evolution. Here we examine the ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Fluvial, Geoscience:Geology:Geomorphology:Landforms/Processes, Landscape Evolution, Tectonic Geomorphology, Geoscience:Geology:Tectonics, Geomorphology:Dating and Rates, Landforms/Processes:Hillslopes, Geoscience:Geology:Geomorphology:Climate/Paleoclimate
Vignette Type: Stratigraphy, Process, Chronology

Rivers crossing growing folds
Douglas Burbank
The interactions of fluvial systems with active deforming landscapes has provided fertile ground for exploration of the adjustments that rivers make when they are perturbed by deformation. Two ingredients are ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Fluvial, Geoscience:Geology:Geomorphology:Tectonic Geomorphology, Geoscience:Geology:Tectonics, Geomorphology:Landforms/Processes, Landscape Evolution, Dating and Rates
Vignette Type: Process, Chronology



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