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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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Links between climate change, vegetation and erosion in Australia during the last 100,000 years
Anthony Dosseto
In an era where climate is changing rapidly under the influence of human activity, there is an increasing need to understand how soil and water resources will cope with these changes. While past variations in ...

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

Regional trends in desert dune morphology and orientation: Examples from the Australian deserts
Kathryn Fitzsimmons
Dunes are the major landforms within the desert regions of the world, owing largely to the dominance of wind over water as a geomorphic agent in the arid zone. Linear dunes, which form parallel to the resultant ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Climate/Paleoclimate, Landscape Evolution, Arid Region Geomorphology, Dating and Rates
Vignette Type: Chronology, Process

Linear dune formation: Longitudinal elongation or local wind rifting? An example from the Strzelecki Desert, central Australia
Kathryn Fitzsimmons
The Australian desert dunefields are dominated by linear dunes, which form a large anti-clockwise whorl across more than one third of the continent (Wasson et al., 1988). Despite being so extensive, the mechanisms ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Arid Region Geomorphology, Dating and Rates
Vignette Type: Chronology, Process

The Cocos (Keeling) Islands, and what coral reefs can tell us about changes of sea level
Colin Woodroffe
The Cocos (Keeling) Islands in the eastern Indian Ocean are the only atoll that Charles Darwin visited during the voyage of the Beagle.Darwin had developed a theory that gradual subsidence of volcanic islands in ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Landforms/Processes, Landforms/Processes:Coastal-zone
Vignette Type: Chronology

A high resolution record of soil erosion from pre-agricultural times to the present: transport- and supply-limitation of erosion
S.J. Gale
One of the major drawbacks of most records of soil erosion (and particularly of records of the impact of agriculture on soil loss) is their limited time span. This makes it difficult to judge the long-term effects ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Weathering/Soils, Landforms/Processes
Vignette Type: Stratigraphy, Process, Chronology

Radiocarbon calibration
Quan Hua
Radiocarbon dating is one of the most reliable and well-established methods for dating the Holocene and Late Pleistocene. Natural radiocarbon or 14C is produced in the atmosphere by the interaction of the secondary ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Dating and Rates
Vignette Type: Chronology

Human Impacts on the Landscape
Roger Hooke
Humans move tremendous amounts of earth every year. They are arguably the premier geomorphic agent sculpting the surface of Earth today. In the early 1990s, people in the United States were moving about 0.8 Gt (Gt ...

Subject: Geomorphology: Geoscience:Geology:Geomorphology:Weathering/Soils, Landscape Evolution, Landforms/Processes
Vignette Type: Chronology, Process, Stratigraphy

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

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