1 edition of Contemporary sediment fluxes and relief changes in high Arctic glacierized valley system (Billefjorden, Central Spitsbergen) found in the catalog.
Contemporary sediment fluxes and relief changes in high Arctic glacierized valley system (Billefjorden, Central Spitsbergen)
|Other titles||Wpółczesny transport osadów i zmiany rzeźby w zlodowaconych stemach dolinnych wysokiej Arktyki (Billefjorden, Spitsbergen środkowy)|
|Series||Seria Geografia / Uniwersytet Im. Adama Mickiewicza w Poznaniu -- 87, Seria Geografia (Uniwersytet im. Adama Mickiewicza w Poznaniu) -- 87.|
|LC Classifications||GB2516.S65 R33 2009|
|The Physical Object|
|Pagination||203 p. :|
|Number of Pages||203|
|LC Control Number||2011420066|
“Sediment Cascades in Cold Climate Geosystems” Zugspitze/Reintal, Bavaria/Germany, Contemporary solute and sedimentary fluxes in Arctic and Sub-Arctic environments -current knowledge however, broad alluviated valleys host large sedimentary fills, potentially buffering sediment delivery through the system. Amplified climate change and ecological sensitivity of polar and cold climate environments are key global environment issues. Understanding how projected climate change will alter surface environments in these regions is only possible when present day source-to-sink fluxes can be quantified. The book provides the first global synthesis and integrated analysis of environmental drivers and.
Contemporary sediment production and transfer in high-altitude glaciers Lewis A. Owena, Edward Derbyshireb,*, Christine H. Scottc aDepartment of Earth Sciences, University of California, Riverside, CA , USA bCentre for Quaternary Research, Department of Geography, Royal Holloway, University of London, Egham Surrey TW20 OEX, UK cDepartment of Geography, University of Leicester, Leicester. In the arctic regions the investigation of stream water origin is crucial for understanding interaction between aquatic and torrential ecosystems. The main source of water in glacial rivers in the High Arctic is the melting of ice from glaciers (Hagen and Lefauconnier, , Hodkins et al., , Rachlewicz, a, Rachlewicz, b, Sobota, ).Cited by: 4.
Alpine glacier retreat resulting from global warming since the close of the Little Ice Age in the 19th and 20th centuries has increased the risk and incidence of some geologic and hydrologic hazards in mountainous alpine regions of North America. Abundant loose debris in recently deglaciated areas at the toe of alpine glaciers provides a ready source of sediment during rainstorms or outburst Cited by: Glacier Science and Environmental Change is an authoritative and comprehensive reference work on contemporary issues in glaciology. It explores the interface between glacier science and environmental change, in the past, present, and future.
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The pristine coasts of Spitsbergen, major island of Svalbard Archipelago provide a superb opportunity to quantify how High Arctic coasts are responding to glacier retreat and associated intensified sediment flux to the fjord and shelf by: Technical report, Department of Geology, UiT The Arctic University of Norway in Tromsø.
Contemporary sediment fluxes and relief changes in high Arctic glacierized valley systems. Bødalen, located at 61°48′N, 07°05′E, is a high-relief and U-shaped valley system in the innermost part of the Nordfjord area in western Norway (Fig.
1A/B).The Bødalen catchment is draining a total area of approximately 60 km 2 and is ranging in elevation from 52 m to m a.s.l. Granitic orthogneisses and quartzitic monazite comprise most of the underlying bedrock (Lutro and Tveten Cited by: Rachlewicz G, () Contemporary sediment ﬂuxes and relief changes in high Arctic glacierized valle y systems (Billefjorden, Central Spitsbergen).
W yd. Nauk. UAM Pozna ´. SOURCE-TO-SINK FLUXES IN UNDISTURBED COLD ENVIRONMENTS Ampliﬁed climate change and ecological sensitivity of polar and cold climate environments are key global environment issues.
Understanding how projected climate change will alter surface environments in these regions is only possible when present-day source-to-sink ﬂuxes can be quantiﬁed. The detected high relative importance of pluvially induced activation of sediment sources in ice-free drainage basin surface areas with sedimentary covers and of pluvially determined fluvial suspended sediment transport events needs also to be considered in the context of the broadly existing opinion that present glaciers are the most important sediment source in many contemporarily partly glacierized drainage basin systems and that fluvial suspended sediment transport Cited by: Rachlewicz G., Contemporary sediment fluxes and relief changes in high Arctic glacierized valley systems (Billefjorden, Central Spitsbergen).
Wydawnictwo Naukowe UAM, Poznań: s. Rachlewicz G., Styszyńska A., Porównanie przebiegu temperatury powietrza w Petuniabukta i Svalbard-Lufthavn (Isfjord, Spitsbergen) w latach Cited by: 1. A series of investigations of water and sediment discharge from the glacierized Ebba River catchment (53km2, located in the Billefjorden area in the c Cited by: 1.
Introduction. High mountain regions are strongly sensitive to climate change. The rapid recession of Alpine glaciers and permafrost zones following recent atmospheric temperature rise is well documented (Haeberli et al., ; Haeberli and Beniston, ; Fischer et al.,Fischer et al., ).Since the end of the Little Ice Age (LIA), mean annual atmospheric temperatures (MAATs) in Cited by: 1.
Valley floors and changes of river channel patterns in the north Polish Plain during the late Würm and Holocene, Quaestiones Geographicae 4, Kutzbach, J.E. The changing pulse of the monsoon, in Monsoons, J.S.
Fein and P.L. Stephens, eds., John Wiley & Sons, New York, pp. The National Academies Press. doi: The implications of disconnectivity for the study of contemporary geomorphic processes 7 2.
Mountains and the high energy condition High mountains, in view of their steepness and severe weather, are commonly reckoned to experience the highest rates of sediment mobilization on Earth.
Glacier and or. The function of contemporary physical geography processes in polar regions (Dickson Land, Svalbard) and relief changes in high Arctic glacierized.
day source-to-sink fluxes can be. Sediments in Lower Murray Lake, northern Ellesmere Island, Nunavut Canada (81°21′ N, 69°32′ W) contain annual laminations (varves) that provide a record of sediment accumulation through the past + years. Annual mass accumulation was estimated based on measurements of varve thickness and sediment bulk density.
Comparison of Lower Murray Lake mass accumulation with Cited by: Highly indented fiord coastlines constitute a large proportion of the world's coastline. Fiords are major sediment traps in the terrestrial to deep-sea sediment pathway, and the presence of these basins, landward of the continental shelf, suggests that adjacent shelves and deep-sea basins are presently largely deprived of terrestrial sediment.
Based on an estimate of the total volume of later. The fundamental concept underpinning source-to-sink sediment flux and sediment budget studies is the basic sediment mass balance equation: I = O +-ΔS.
Where inputs (I) equal outputs (O) plus changes in net storage of sediment (ΔS). Source-to-sink studies permit quantification of the transport and storage of sediment in a : Achim A.
Beylich. Dye tracing techniques were used to investigate the glacier‐wide pattern of change in the englacial/subglacial drainage system of Haut Glacier d'Arolla during the ablation seasons of and Analysis of breakthrough curve characteristics indicate that over the course of a melt season, a system of major channels developed by headward Cited by: The transport of reactive iron (i.e.
colloidal and dissolved) by a glacier-fed stream system draining a high relief periglacial landscape in the high Arctic archipelago of Svalbard is described. Sediment yield can be a sensitive indicator of catchment dynamics and environmental change. For a glacierized catchment in the High Arctic, we compiled and analyzed diverse sediment transfer data.
The work is dedicated to demonstrate the potential of Salix polaris grow properties in the dendrogemorphologic image, analyzing periglacially induced slope processes in the high Arctic. Observed anatomical and morphological plants responses to solifluction and active layer detachment processes are presented qualitatively and quantitatively as a summary of presented Author: Liliana Siekacz.
Although the forefield is regarded as the most dynamic component of the alpine sediment flux system, largely due to the efficacy of fluvial action, the great diversity of forms and associated genetic complexity, together with the operation of time-variant processes, will likely add great variability to long-term patterns of basin sediment yield Author: Philip R.
Porter, Martin J. Smart, Tristram D. Irvine-Fynn. Mega‐Slump Development Drives Patterns of Stream Water, Solute, and Sediment Flux  Meltwater derived from ground‐ice ablation in large retrogressive thaw slumps can drive the sediment and solute flux in the adjoining streams.
This runoff also has a discernible, second‐order influence on the water levels of impacted by: 7. A contemporary assessment of sediment and solute transfers in Kärkevagge, Swedish Lapland 8.
Hillslope processes and related sediment fluxes on a fine-grained scree slope of Eastern Canada 9. Sediment and solute transport from Greenland Measurements of bedload flux in a high Arctic environment Solute and particulate fluxes in.High Arctic lakes, a prevalent and highly sensitive type of polar wetland, are affected by climate change and variations in geomorphic processes [1–3].
Global warming can impact polar water bodies by causing them either to disappear as a result of more intense evaporation from tundra surfaces near glaciers or to proliferate as a result of increasingly frequent and prolonged periods of permafrost Cited by: