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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
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Africa
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Afar (1)
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Central Africa (1)
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East Africa
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Tanzania
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Olduvai Gorge (3)
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East African Rift (1)
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North Africa
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Egypt
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Nile Delta (2)
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Southern Africa
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Botswana
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Okavango Delta (2)
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Kalahari Craton (1)
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Lesotho (1)
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South Africa
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Eastern Cape Province South Africa
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Western Cape Province South Africa (1)
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Arctic Ocean
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Invertebrata
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Tertiary
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Paleozoic
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Lower Carboniferous
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Mississippian
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Upper Mississippian
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Precambrian
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upper Precambrian
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meteorites
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sulfates
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Primary terms
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absolute age (20)
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Africa
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Afar (1)
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East Africa
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Olduvai Gorge (3)
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-
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East African Rift (1)
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Egypt
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Nile Delta (2)
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Southern Africa
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Okavango Delta (2)
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Kalahari Craton (1)
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Lesotho (1)
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South Africa
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KwaZulu-Natal South Africa (1)
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Asia
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Far East
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carbon
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wetlands
Microbial-mat colonization of modern gravel deposits in a siliciclastic coastal setting
Global sea-level rise increased during the twentieth century from 1.5 to 3.0 mm/yr and is expected to at least double over the next few decades. The Western Louisiana and Texas coast is especially vulnerable to sea-level rise due to low gradients, high subsidence, and depleted sediment supply. This Memoir describes the regional response of coastal environments to variable rates of sea-level rise and sediment supply during Holocene to modern time. It is based on results from more than six decades of research focused on coastal and nearshore stratigraphic records. The results are a wake-up call for those who underestimate the potential magnitude of coastal change over decadal to centennial time scales, with dramatic changes caused by accelerated sea-level rise and diminished sediment supply.
Tectonic and paleoclimatic controls on the composition of inland wetland deposits, Chaco foreland basin, Central Andes
Differences between soil and air temperatures: Implications for geological reconstructions of past climate
Palaeoenvironmental reconstruction of Triassic floras from the Central North Sea
Characterising the late Quaternary facies stratigraphy of floodplains in South Africa
Chronostratigraphic palaeo-climate phasing based on southern African wetlands: From the escarpment to the eastern seaboard
The importance of early data collection in quarry development consent applications; linking hydrogeological assessment to the decision makers’ legal framework, a case study
Terrestrial methane cycle perturbations during the onset of the Paleocene-Eocene Thermal Maximum
Hydrology of a Southern Appalachian Hypocrene Spring-Fed Fen
Permafrost Mapping with Electrical Resistivity Tomography: A Case Study in Two Wetland Systems in Interior Alaska
Electron Transfer Drives Metal Cycling in the Critical Zone
Microbially induced pseudotraces from a Pantanal soda lake, Brazil: Alternative interpretations for Ediacaran simple trails and their limits
Characterisation of the Rietvlei wetland: Implications for spatial distribution of groundwater recharge
A Study of Co-occurrences of Foraminifera and Mussels in a Polluted Nova Scotian Wetland, Atlantic Canada
Application of Multiple Criteria Decision Making Model For Evaluation of Levee Sustainability
Pleistocene periglacial features of the Pittsburgh Low Plateau and Upper Youghiogheny Basin
Abstract During the Pleistocene, the Laurentian Ice Sheet extended southward into western Pennsylvania. This field trip identifies a number of periglacial features from the Pittsburgh Low Plateau section to the Allegheny Mountain section of the Appalachian Plateaus Province that formed near the Pleistocene ice sheet front. Evidence of Pleistocene periglacial climate in this area includes glacial lake deposits in the Monongahela River valley near Morgantown, West Virginia, and Sphagnum peat bogs, rock cities, and patterned ground in plateau areas surrounding the Upper Youghiogheny River basin in Garrett County, Maryland, and the Laurel Highlands of Somerset County, Pennsylvania. In the high lying basins of the Allegheny Mountains, Pleistocene peat bogs still harbor species characteristic of more northerly latitudes due to local frost pocket conditions.
Ethnogeology, the scientific study of geological knowledge of groups such as indigenous peoples, can be combined with mainstream geological sciences to enhance our understanding of Earth systems. The Amazon rain forest has been extensively studied by both mainstream scientists and indigenous researchers. We argue that knowledge of Amazonian geology and hydrology held by indigenous Uitoto experts is valid, empirically based, and, in many cases, more nuanced than mainstream scientific knowledge. We also argue that knowledge sharing between mainstream and indigenous researchers can improve geological and environmental knowledge on both sides and provide solutions for current environmental problems such as increased pressure on water resources and global warming. We applied methods from ethnography and earth science to examine the traditional ecological knowledge of an Amazonian tribe in Colombia, the Uitoto, about water, and how that knowledge correlates with that of mainstream earth scientists. The study demonstrates how ethnogeology can be applied in a water-rich environment to: (1) compare knowledge about the natural history of an area, (2) study the geological resources available and their uses, and (3) examine the bases of native classification schemes using mainstream science methods. We found parallels and complementary concepts in the two bodies of knowledge. Our results suggest that the Uitoto have a meticulous taxonomy for water and wetlands—knowledge that is essential for protecting, conserving, and managing their water resources.