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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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Soils, relict landscapes and paleoclimate in the Atacama Desert, Chile
Jason Rech, Miami University-Oxford
The exceptionally dry Atacama Desert, adjacent to the Central Andes in northern Chile, contains many relict landscapes (landscapes formed in the past, but preserved on the present surface; Figure 1). One remarkable ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Weathering/Soils, Arid Region Geomorphology, Climate/Paleoclimate
Vignette Type: Stratigraphy, 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

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

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

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

Comparative planetology: the geomorphology of volatile cycling and catastrophic flooding
Devon Burr, University of Tennessee, The
INTRODUCTION: Three planetary bodies in our Solar System show landforms that provide evidence of liquid flowing over the surface, either at present or in the past. The surface flow of liquid is evidence for a ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes, Landforms/Processes:Volcanoes, Geoscience:Geology:Geomorphology:Landscape Evolution, Geomorphology as applied to other disciplines, Environmental Science:Natural Hazards:Floods/Fluvial Processes, Geoscience:Geology:Geomorphology:Landforms/Processes:Fluvial, Glacial/Periglacial
Vignette Type: Chronology, Process, Stratigraphy

Processes and rates of channel change following disturbance by debris flows
Christine May
The Oregon Coast Range is a dynamic landscape, with steep hillslopes mantled by a thin veneer of soil. In this and other mountainous regions of the world, debris flows play a major role in routing sediment and ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes:Hillslopes, Mass Movement, Geoscience:Geology:Geomorphology:Landscape Evolution, Geomorphology as applied to other disciplines, Landforms/Processes, Landforms/Processes:Fluvial, Geoscience:Geology:Geomorphology:Dating and Rates
Vignette Type: Process, Chronology, Stratigraphy



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