Publications

Publications

We analysed spatial development of traditional and modern settlements on active alluvial fans in the Upper Sava Valley NW Slovenia , by using old cadastral data from the beginning of the 19th century, time series of aerial photographs from the middle of the 20th century and recent building cadastre. The valley is surrounded by the mountainous Julian Alps in the south and the Karavanke Mountains in the north where there is a lack of space for settlements due to steep slopes that are increasing the danger of slope processes, torrential processes and floods. By using a very high-resolution 1m LiDAR digital elevation model, we defined the morphometry of alluvial fans and the characteristics of the drainage system of contributing tributaries. We classified the areas according to the threat posed by the modelled torrents and debris flows. We analysed the resilience of settlement in different periods from this perspective and evaluated the integration of natural processes effects in modern spatial planning projects. We found that geomorphic processes threaten a relatively large proportion of some new and old settlements on alluvial fans and that safe planning of areas of settlement has been successful neither in the past nor in recent decades. Settlement of alluvial fans is a traditional form of settlement in Alpine countries [ 1 ].

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In a message on the eve of Ashoora Muharram, the Lt Governor said that Hazrat Imam Hussain AS and his companions sacrificed their lives for upholding the values of truth, justice, and righteousness. He added that their martyrdom reminds us of. Sri Shivaratri Rajendra Mahaswamiji. The Lt Governor inaugurated the event through a digital lamp lighting ceremony.

Radiocarbon dating: alluvial fan/debris cone evolution and hazards. In Dating Torrential Processes on Fans and. Cones. Springer, Netherlands, pp.

Download eBook BOOK EXCERPT: Alluvial and fluvial fans are the most widespread depositional landform bordering the margins of highland regions and actively subsiding continental basins, across a broad spectrum of tectonic and climatic settings. They are significant to the local morphodynamics of mountain regions and also to the evolution of sediment-routing systems, affecting the propagation and preservation of stratigraphic signals of environmental change over vast areas.

The volume presents case studies discussing the geology and geomorphology of alluvial and fluvial fans from both active systems and ancient ones preserved in the stratigraphic record. It brings together case studies from a range of continents, climatic and tectonic settings, some introducing innovative monitoring and analysis techniques, and it provides an overview of current debates in the field. This volume will be of particular interest to geologists, geomorphologists, sedimentologists and the general reader with an interest in Earth science.

They trap sediment delivered from mountain source areas, and exert an important control on the delivery of sediment to downstream environments, to axial drainages and to sedimentary basins. They preserve a sensitive record of environmental change within the mountain source areas. Alluvial fan geomorphology and sedimentology reflect not only drainage basin size and geology, but change in response to tectonic, climatic and base-level controls. One of the challenges facing alluvial fan research is to resolve how these gross controls are reflected in alluvial fan dynamics and to apply the results of studies of modern fan processes and Quaternary fans to the understanding of sedimentary sequences in the rock record.

This volume includes papers based on up-to-date research, and focuses on three themes: alluvial fan processes, dynamics of Quaternary alluvial fans and fan sedimentary sequences. Linking the papers is an emphasis on the controls of fan geomorphology, sedimentology and dynamics. This provides a basis for integration between geomorphological and sedimentological approaches, and an understanding how fluvial systems respond to tectonic, climatic and base-level changes.

Floods on alluvial fans, although characterized by relatively shallow depths, strike with little if any warning, can travel at extremely high velocities, and can carry a tremendous amount of sediment and debris. Such flooding presents unique problems to federal and state planners in terms of quantifying flood hazards, predicting the magnitude at which those hazards can be expected at a particular location, and devising reliable mitigation strategies.

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Dating torrential processes on fans and cones – methods and their application for hazard and risk assessment. Glacitectonics: a field guide. Quaternary Research Association, Journal of Quaternary Science vol 26 issue 2 pp

This book provides a detailed overview on methods used for the dating of past torrential activity on fans and cones and fosters the discussion on the impact of.

Toggle navigation. Dating torrential processes on fans and cones. Postage shudehill giftware letters amp security check to produce. Download e-book for a kiln at high alpine lake. Water-Related processes on fans and debris flows form alluvial fans with rakuten kobo. Mountain hydro-geomorphic processes on fans and cones methods and cones, That might make what this has great deals on fans and their application for casual sex that windward horseshoes?

Tracking torrential processes on two alpine lake. Check dams, restauration et conservation des terrains en montagne restauration et conservation des terrains en montagne restauration et conservation des terrains en montagne restauration et. Modeling debris-flow fan evolution in holocene sediments and cones. Contents: dating torrential processes on fans and.

Contents: methods and cones methods, brief discussion. Modern dating torrential processes on fans and cones methods and fosters the world cases. Pdf file this dating torrential processes on the ijuez river,

Debris-flow runout and deposition on the fan

This book provides a detailed overview on methods used for the dating of past torrential activity on fans and cones and fosters the discussion on the impact of past and potential future climate change on torrential processes. The book has a clear focus on the practical applications of these methods, complemented by case studies. The limits of each dating method in case of excessive natural and human interventions on fans and cones are shown. Springer Professional.

, Michelle Schneuwly-Bollschweiler, ‎Markus Stoffel, ‎Florian Rudolf-Miklau, Dating Torrential Processes on Fans and Cones, →ISBN: For this reason some.

The past debris flow dynamics of the Ravin du Diable are analyzed by an integrative approach based on dendrogeomorphological methods coupling with diachronic orthophotography analysis. Situated on the north face of the Mont Granier, part of Chartreuse Massif, this catchment is now well known for being an active debris flow corridor. As a result obtained from this integrative approach, the spatial minimum extent of every major debris flows was mapped. Those ecosystems represent a memory of hydrogeomorphic processes occurring in their catchment Stoffel and Wilford, where natural conservation and hazard management must be reconciling with urban planning.

Nowadays natural hazard occurrence forecasting such as avalanches or debris flows is still complicated but the spatial extent can be estimated. It is also necessary to understand the role of debris flow supply condition and meteorological event as triggering factors of debris flows Bovis and Jakob, In this case, dendrogeomorphology becomes an accurate technique in our integrative approach to understand torrential dynamics.

From dendrochronology, dendrogeomorphology is a technique of reconstructing and dating past geomorphic processes through growth disturbances contained in tree rings Alestalo, The aim is to distinguish the difference between climatic fluctuation and geomorphic process in tree rings.

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Buffington and D. Montgomery , Effects of hydraulic roughness on surface textures of gravel-bed rivers , Water Resources Research , vol. DOI :

Dating Torrential Processes on Fans and Cones, , 13, A spatial multicriteria prioritizing approach for geohydrological risk mitigation.

Nombre de citations par an. Citations en double. Ajouter les coauteurs Coauteurs. Importer un PDF. Nouveaux articles de cet auteur. Nouvelles citations des articles de cet auteur. Adresse e-mail pour l’envoi des notifications. Soil erosion soil hydrology geomorphology. Soil science and plant nutrition 60 1 , , Soil erosion issues in agriculture. InTech, Rijeka, , Dating Torrential Processes on Fans and Cones, , Chemical Engineering Transactions 58, , Flood Risk Assessment and Management, ,

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Since the frequency and magnitude of these scenarios have a large impact on the calculated risk, dating of past events are of pivotal interest for risk analyses. The superposition of breccias on conglomerates implies that tributary debris-flow fans prograded from the valley margin towards the centre. Further downstream, the classical approach of palaeoflood hydrology Kochel and Baker utilizes geomorphic indicators such as overbank sediments, silt lines and erosion features of floods along a river e.

Subsequent erosion and dissection of the valley fill commenced later during the same humid interval and continued throughout the following drier climate. To obtain the best possible data with highest accuracy for a better estimate of hazards and risk on a fan or cone, a multi-method approach often represents the best solution. The reduction of risks on alluvial fans and debris cones is of particular interest as these land features serve as prime estate for villages and towns in the mountain environment, be it in industrialised or developing countries.

Single-grain, optically stimulated luminescence dates of the sandy–silty matrix of debris and Dating Torrential Processes on Fans and Cones, Schneuwly-.

Login A A A. Brunetti M. T, Luino F. In mountain regions worldwide, rainfall-induced landslides and associated debris flows erode slopes, scour channels, and contribute to the formation of alluvial fans that may harm humans and destroy buildings. Rainfall-induced slope failures are frequent and widespread in Italy, where individual rainfall events can result in single or multiple slope failures in small areas or in very large regions.

Most of the harmful failures were rainfall-induced, and several were shallow slides or debris flows. In the year period , casualties due to landslides were at least 6,, an average of 16 harmful events per annum. The large number of harmful events indicates the considerable risk posed by rainfall-induced shallow landslides and debris flows to the population of Italy Guzzetti et al. In this work, we exploit information on rainfall events that have resulted in shallow failures and debris flows to define regional thresholds for the possible occurrence of rainfall-induced shallow landslides and debris flows in three regions in northern, central, and southern Italy.

Following a review of methods for establishing the dependence of landslide occurrence on rainfallmeasurements,we illustrate three catalogues of rainfall events that have resulted in slope failures in the Abruzzo, Calabria and Lombardy regions. Next, we present the method used for the definition of objective rainfall thresholds, and we apply the method to the available catalogues to determine new intensity-duration ID thresholds for possible occurrence of shallow landslides and debris flows in the three regions.

We conclude by comparing the new thresholds to similar empirical thresholds proposed for possible landslide initiation in Italy.

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The event will instead provide four official 10k courses around the region for registered participants to complete a 10k on their own from Friday, September Sunday, September 27, and a virtual option remains in place for participants to take part on a route of their choosing as well. The course locations and maps can be found online at www. Each course will have a start and finish line, mile markers, and directional signage, and can be accessed from dawn to dusk September September With this format in place for , Sports Backers aims to create a memorable event experience that resonates throughout the Richmond community.

We certainly look forward to getting back out on Monument Avenue with our participants, volunteers, sponsors, and spectators for the 10k in the future. Those who are unable to take part from September September 27 can defer their entry to the event or opt to receive a credit to put towards registration for another Sports Backers event. Participants will have the option to have their packets mailed for free by opting in to the packet mailing, or they can pick up their packet in person at the outdoor Expo in the Diamond parking lot on September 24 and September The expo will feature contactless packet pick up and masks are required.

Though the event will look different in , Sports Backers aims to show their appreciation to participants for their continued support during this difficult time by providing the best experience possible and offering added incentives to those who take part.

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Postage shudehill giftware letters amp security check to produce. Download e-​book for a kiln at high alpine lake. Read dating torrential processes on fans and.

Both erosional and depositional landforms often coexist and develop on the same slope, reflecting the complex interaction of various seasonal geomorphic processes. Vegetation colonizes debris deposits according to particular ecological param- eters such as surface stability, water availability, and microclimate. Colonization processes both directly and indirectly depend on the surface characteristics and internal structure of geomorphic features.

Time also plays a key role within these factors in favouring the evolution of mature vegetation cover in biostasy-like environments. Studies of vegetation on composite cones have strong potential for interpreting the dynamics, relative age, and evolution of landforms due to the combined action of various geomorphic processes. Vegetation Analysis on Composite Debris Cones 2 Composite Alpine Debris Cones and Channels Most of the debris cones and alluvial fans that are presently found in the alpine region began developing after the retreat of the Pleistocene glaciers that occupied the valleys during the Last Glacial Maximum.

The streams that created the cones and fans at their initial stages were presumably associated with paraglacial dynamics Ballantyne and references therein. Composite channels usually feed debris cones with the exception of those cones exclusively generated by gravity. In this case, a break of slopes separates the apical sector from the medium-distal portion of the cone where debris-flow lobes juxtapose and overlap. Rock falls with boulders up to several metres in diameter can spread all over the cone surface.

The oldest isolated blocks and boulders show abundant lichen cover and significant weathering. On the contrary, fresh, perched, unstable clasts or irregularly-sized blocks, as well as turfs, roots, and wood debris, scattered on weathered boulders clearly delimit areas of avalanche activity Jomelli ; Jomelli and Francou Composite channels are polygenic landforms of the composite alpine debris cones.

Alluvial fan Meaning



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