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Showing 1 to 20 of 32 for “"lake levels"”.
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Tufa-based reconstructions of Huasco Basin Lake levels
… American Altiplano, and presents a preliminary lake level chronology for the last deglaciation. Resolving the timings of past lake level highstands in the South American Altiplano will ultimately provide better understanding of what climate events force the South American Summer Monsoon (SASM) …
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A HUMAN BEHAVIORAL ECOLOGICAL ASSESSMENT OF THE YELLOWSTONE LAKE BASIN, YELLOWSTONE NATIONAL PARK, WYOMING
The Yellowstone Lake Basin has been an important region for hunter-gatherers since the close of the Late Pleistocene that has provided an abundance and well diverse suite of subsistence resources ( i.e prey animals and edible plants). Due the diversity found within this ecosystem, the primary …
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A HUMAN BEHAVIORAL ECOLOGICAL ASSESSMENT OF THE YELLOWSTONE LAKE BASIN, YELLOWSTONE NATIONAL PARK, WYOMING
The Yellowstone Lake Basin has been an important region for hunter-gatherers since the close of the Late Pleistocene that has provided an abundance and well diverse suite of subsistence resources ( i.e prey animals and edible plants). Due the diversity found within this ecosystem, the primary …
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Pre-Archaic Occupations in the West Arm of the Black Rock Desert
… sites occur on remnant shorelines of ancient lakes and marshes, suggesting a reliance on wetland resources within the region. Archaeological data collected between 2004 and 2006 from surface sites in the Black Rock Desert offer an example of early human occupations surrounding these pluvial …
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Depositional constraints on lacustrine carbonates from the Winnemucca Dry Lake Basin, Nevada, USA
<p>Carbonate mineral formation in lakes is a consequence of the interactions of lake water chemistry, physical processes at several scales, and biological influences, all of which are greatly affected by individual lake basin attributes such as basin size and physiography, bedrock geology, …
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The Aral Sea : a palaeoclimate archive
… characterized the sequence of salinity and lake-level changes during the past 2000 years. Due to the strong dependence of the Aral Sea hydrology to inputs from its tributaries, the lake levels are ultimately linked to fluctuations in meltwater discharges during spring. As the amplitude of …
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Final Inventory Report Glacier National Park, Lake Sherburne Archeological Inventory & Report, RM-CESU Cooperative Agreement: CA-1200-99-007
… conducted an inventory and assessment of Lake Sherburne archeological sites in August-September, 2007. This inventory and assessment provides Glacier National Park managers with important data related to cultural resource management needs and visitor interpretation of Lake Sherburne …
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Final Inventory Report Glacier National Park, Lake Sherburne Archeological Inventory & Report, RM-CESU Cooperative Agreement: CA-1200-99-007
… conducted an inventory and assessment of Lake Sherburne archeological sites in August-September, 2007. This inventory and assessment provides Glacier National Park managers with important data related to cultural resource management needs and visitor interpretation of Lake Sherburne …
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Erosion of fractured banks, Lake Sakakawea, western North Dakota
<p> Shoreline erosion at Lake Sakakawea has exceeded originally predicted rates. This thesis is a continuation of a project, begun in 1983, to study erosion rates, causes, and prediction; the purpose has been to describe variations in fracture patterns in shoreline banks and assess their affects on …
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The Relationship Between Atmospheric Circulation Patterns And Water Surface Elevation In Devils Lake, North Dakota: 1965-2010
<p>The Devils Lake Basin is a sub-basin of the larger Red River Basin located in east-central North Dakota. It is a terminal saline lake, which lacks an outlet until the lake level reaches a water surface elevation (WSE) of 1,458 ft asl (444.4 m). Lake levels have fluctuated continuously since the …
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Environmental Impacts on the Development and Dune Activity of Oxbow Lake along the Southwest Coast of Lake Michigan at Saugatuck, Michigan USA
Coastal dunes of Lake Michigan and corresponding down-wind lakes are studied for links between dune activity and climatic forcing; to date, little is certain about climate control on dune activity. By unveiling relationships between climate variables and dune activity, it becomes possible to …
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A Study of Beaver Pond Morphology and Site Characteristics After Disturbance in Eastern Glacier National Park, Montana
… for study, including sites near Saint Mary Lake, Lake Sherburne, and Lower Two Medicine Lake. The Saint Mary Lake site was subjected to an extensive forest fire in the watershed in 2006. The latter two sites are adjacent to human-constructed reservoirs. Aerial photos were used to create maps …
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Muddy memories : environmental change at Hluhluwe Imfolozi Game Reserve, KwaZulu-Natal, South Africa - evidence from diatoms
… data relating to pH, nutrient loads and water levels. Here, the diatoms in a lake sediment core from Hluhluwe-Imfolozi, South Africa, are analysed to show fluctuations in littoral to benthic taxa, and brackish to freshwater taxa as indicators of lake level changes over time. Changes in lake …
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U-Th Dating of lacustrine carbonates
… lacustrine settings, but reconstructions of past lake levels or environments from such materials have been hindered by poor chronology. Uranium-thorium (U-Th) dating has the potential to fill a gap in current geochronological tools for such archives, but past attempts have been confounded by poor …
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Time Scales and Processes of Shoreline Formation in Pluvial Lakes of the Great Basin, Western USA
… historical beach deposits formed in Walker Lake, Winnemucca Lake, and Lake Tahoe to characterize the processes that lead to the construction of beach ridges along lacustrine shorelines and compares the volume of individual shoreline features to the lengths of time under which they formed. …
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Refining the span and rates of deposition of the Glenwood phase of Lake Chicago
The Glenwood phase of proglacial Lake Chicago is its oldest phase, but is the least studied. By developing the and ideas previously published maps by Bretz in the 1930s and studies by Hansel, Mickelson, Thompson and others I will be redefining the span and role of the Glenwood Phase of proglacial …
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Examining Pathways for Water Loss from Mountain Lake, Giles County, Virginia
Located in Giles County, Virginia, Mountain Lake has a documented history of dramatic water level fluctuations. Previous water balance studies have documented that the main cause of water loss is outflow to groundwater. However, the flow paths of water exiting the lake are unknown. This study …
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Water Level Quantiles Of Devils Lake Under Down-Scaled Gcm Predictions Using A Coupled Hydro-Climatic Model
… model and a reservoir model for the Devils Lake using data from both ground gage stations and NASA satellite observations. The purpose is to determine the feasibility of using spatially distributed GCM data with a well calibrated hydro-climatic model to predict the probable flood severities. …
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A multi-proxy approach to investigating the latest Holocene (~4,500 yrs. BP) vegetational history of Catahoula Lake, Louisiana
… of sediments examined from Catahoula Lake, Louisiana has provided a record of late-Holocene vegetational changes, related to both hydrology and climate. This study integrates data from phytoliths, pollen, stable isotopes, magnetic susceptibility, and core sediment analysis. A modern …
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Taxonomy, phylogeny and biogeography of cisticolas (Cisticola spp.)
… episodes during which there is evidence for high lake levels in Africa, rather than correlating with Plio-Pleistocene glaciation, offering evidence that open habitats may have become fragmented during extremes of both arid and humid climates.
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