Finsteraarhorn a Winter Expedition
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Moüjmtaiim Operations
L f\f¿ áfó b^i,. ‘<& t¿ ytn) ¿L0d àw 1 /1 ^ / / /This publication contains copyright material. *FM 90-6 FieW Manual HEADQUARTERS No We DEPARTMENT OF THE ARMY Washington, DC, 30 June 1980 MOÜJMTAIIM OPERATIONS PREFACE he purpose of this rUanual is to describe how US Army forces fight in mountain regions. Conditions will be encountered in mountains that have a significant effect on. military operations. Mountain operations require, among other things^ special equipment, special training and acclimatization, and a high decree of self-discipline if operations are to succeed. Mountains of military significance are generally characterized by rugged compartmented terrain witn\steep slopes and few natural or manmade lines of communication. Weather in these mountains is seasonal and reaches across the entireSspectrum from extreme cold, with ice and snow in most regions during me winter, to extreme heat in some regions during the summer. AlthoughNthese extremes of weather are important planning considerations, the variability of weather over a short period of time—and from locality to locahty within the confines of a small area—also significantly influences tactical operations. Historically, the focal point of mountain operations has been the battle to control the heights. Changes in weaponry and equipment have not altered this fact. In all but the most extreme conditions of terrain and weather, infantry, with its light equipment and mobility, remains the basic maneuver force in the mountains. With proper equipment and training, it is ideally suited for fighting the close-in battfe commonly associated with mountain warfare. Mechanized infantry can\also enter the mountain battle, but it must be prepared to dismount and conduct operations on foot. -
THE NORDEND of MONTE ROSA. T. Graham Brown
THE • VOL. LIII NOVEMBER I 942 NO. 265 THE NORDEND OF MONTE ROSA BY T. GRAHAM BROWN Substance of a lecture delivered before the Alpine Club, December g, 1941. T is curious to reflect that the ascent of the N ordend might have been one of the most popular in the Alps had the Dufourspitze been but 83 ft. lower. As things are, the mountain is relatively neglected. The usual route to its graceful summit lies off the beaten track, and more .often than not the N ordend is omitted during traverses of the Monte Rosa peaks ; parties from the Marinelli hut seem almost invariably to take the easier but more dangerous route to the Dufour spitze in preference to the more difficult ascent of the N ordend by its stupendous Macugnaga face ; the sensational Frontier arete, 1 which plunges to the Jagerjoch in vertical steps, has rarely been visited ; and (to the best of my knowledge) the wide and steep Weisstor (or N.E.) face of the N ordend has so far received attention from but a single climbing party. To these striking neglects may be added a fifth: on only one former occasion, and that was nearly thirty years ago, has the Nordend been the subject of a paper read before the Club.2 The event deserves to be recalled, because it was then that E. A. Broome described his expedition of 191 I, when, in the course of the day, he ascended the Macugnaga face from the Marinelli hut and descended by the ordinary route to the Riffelhaus the memorable achievement of a great climber who was in his sixty-seventh year at the time of the ascent. -
4000 M Peaks of the Alps Normal and Classic Routes
rock&ice 3 4000 m Peaks of the Alps Normal and classic routes idea Montagna editoria e alpinismo Rock&Ice l 4000m Peaks of the Alps l Contents CONTENTS FIVE • • 51a Normal Route to Punta Giordani 257 WEISSHORN AND MATTERHORN ALPS 175 • 52a Normal Route to the Vincent Pyramid 259 • Preface 5 12 Aiguille Blanche de Peuterey 101 35 Dent d’Hérens 180 • 52b Punta Giordani-Vincent Pyramid 261 • Introduction 6 • 12 North Face Right 102 • 35a Normal Route 181 Traverse • Geogrpahic location 14 13 Gran Pilier d’Angle 108 • 35b Tiefmatten Ridge (West Ridge) 183 53 Schwarzhorn/Corno Nero 265 • Technical notes 16 • 13 South Face and Peuterey Ridge 109 36 Matterhorn 185 54 Ludwigshöhe 265 14 Mont Blanc de Courmayeur 114 • 36a Hörnli Ridge (Hörnligrat) 186 55 Parrotspitze 265 ONE • MASSIF DES ÉCRINS 23 • 14 Eccles Couloir and Peuterey Ridge 115 • 36b Lion Ridge 192 • 53-55 Traverse of the Three Peaks 266 1 Barre des Écrins 26 15-19 Aiguilles du Diable 117 37 Dent Blanche 198 56 Signalkuppe 269 • 1a Normal Route 27 15 L’Isolée 117 • 37 Normal Route via the Wandflue Ridge 199 57 Zumsteinspitze 269 • 1b Coolidge Couloir 30 16 Pointe Carmen 117 38 Bishorn 202 • 56-57 Normal Route to the Signalkuppe 270 2 Dôme de Neige des Écrins 32 17 Pointe Médiane 117 • 38 Normal Route 203 and the Zumsteinspitze • 2 Normal Route 32 18 Pointe Chaubert 117 39 Weisshorn 206 58 Dufourspitze 274 19 Corne du Diable 117 • 39 Normal Route 207 59 Nordend 274 TWO • GRAN PARADISO MASSIF 35 • 15-19 Aiguilles du Diable Traverse 118 40 Ober Gabelhorn 212 • 58a Normal Route to the Dufourspitze -
The New Monte Rosa Hut
Beautifully efficient: the New Monte Rosa Hut The Swiss Federal Institute of Technology Zurich (ETH Zurich) and the Swiss Alpine Club (SAC) are intending to set a new milestone in Alpine building with the New Monte Rosa Hut. The foundation stone was laid in August 2008. The mountain hut is one of many projects initiated to mark the 150th anniversary of the ETH Zurich. It is an ambitious building project for a forward-looking SAC hut on 2883 metres above sea level, sustainable in terms of energy and ecology. The SAC was quick to agree to the project. The internationally known Monte Rosa area in the Swiss Canton of Valais, framed by the Matterhorn and the Dufourspitze, was chosen for the planned hut. The existing hut there is in need of refurbishment, and so the project partners decided to replace it with the New Monte Rosa Hut. In the winter term 2003/2004, the Studio Monte Rosa at the ETH Zurich’s architecture and construction department was set up. Working over four terms, a total of over thirty students devised a design for the New Monte Rosa Hut. The student’s ideas developed into a feasible project with the support of professors and experts from various disciplines. So now a five-storey timber construction is to be built on stainless steel foundations thrusting down into the rock. Its metallically shimmering aluminium outer covering and unusual polygonal shape make it look like a rock crystal. The guest rooms can accommodate a total of 120 people, and the enchanting surroundings are effectively invited in as well, by a cascade of steps and a wide window facade. -
A Combination of PROBA-V/MODIS-Based Products with Sentinel-1 SAR Data for Detecting Wet and Dry Snow Cover in Mountainous Areas
remote sensing Article A Combination of PROBA-V/MODIS-Based Products with Sentinel-1 SAR Data for Detecting Wet and Dry Snow Cover in Mountainous Areas Ya-Lun S. Tsai 1,* , Andreas Dietz 1, Natascha Oppelt 2 and Claudia Kuenzer 1 1 German Remote Sensing Data Center (DFD), German Aerospace Center (DLR), Muenchener Strasse 20, D-82234 Wessling, Germany 2 Department of Geography, Earth Observation and Modelling, Kiel University, Ludewig-Meyn-Str. 14, 24118 Kiel, Germany * Correspondence: [email protected] Received: 24 June 2019; Accepted: 13 August 2019; Published: 14 August 2019 Abstract: In the present study, we explore the value of employing both vegetation indexes as well as land surface temperature derived from Project for On-Board Autonomy—Vegetation (PROBA-V) and Moderate Resolution Imaging Spectroradiometer (MODIS) sensors, respectively, to support the detection of total (wet + dry) snow cover extent (SCE) based on a simple tuning machine learning approach and provide reliability maps for further analysis. We utilize Sentinel-1-based synthetic aperture radar (SAR) observations, including backscatter coefficient, interferometric coherence, and polarimetric parameters, and four topographical factors as well as vegetation and temperature information to detect the total SCE with a land cover-dependent random forest-based approach. Our results show that the overall accuracy and F-measure are over 90% with an ’Area Under the receiver operating characteristic Curve (ROC)’ (AUC) score of approximately 80% over five study areas located in different mountain ranges, continents, and hemispheres. These accuracies are also confirmed by a comprehensive validation approach with different data sources, attesting the robustness and global transferability. -
Recent Debris Flow Occurrences Associated with Glaciers in the Alps ⁎ Marta Chiarle A, , Sara Iannotti A, Giovanni Mortara A, Philip Deline B
Global and Planetary Change 56 (2007) 123–136 www.elsevier.com/locate/gloplacha Recent debris flow occurrences associated with glaciers in the Alps ⁎ Marta Chiarle a, , Sara Iannotti a, Giovanni Mortara a, Philip Deline b a CNR‐IRPI, Strada delle Cacce, 73–10135 Torino, Italy b Laboratoire EDYTEM, CNRS‐Université de Savoie, 73376 Le Bouget‐du‐Lac, France Received 12 August 2005; accepted 21 July 2006 Available online 9 January 2007 Abstract Debris flows from glacier forefields, triggered by heavy rain or glacial outbursts, or damming of streams by ice avalanches, pose hazards in Alpine valleys (e.g. the south side of Mount Blanc). Glacier‐related debris flows are, in part, a consequence of general glacier retreat and the corresponding exposure of large quantities of unconsolidated, unvegetated, and sometimes ice‐cored glacial sediments. This paper documents glacier‐related debris flows at 17 sites in the Italian, French, and Swiss Alps, with a focus on the Italian northwest sector. For each case data are provided which describe the glacier and the instability. Three types of events have been recognized, based on antecedent meteorological conditions. Type 1 (9 documented debris flows) is triggered by intense and prolonged rainfall, causing water saturation of sediments and consequent failure of large sediment volumes (up to 800000 m3). Type 2 (2 debris flows) is triggered by short rainstorms which may destabilize the glacier drainage system, with debris flow volumes up to 100000 m3. Type 3 (6 debris flows) occurs during dry weather by glacial lake outbursts or ground/buried ice melting, with debris flow volumes up to 150000 m3. -
Brochure on How to Act in Alpine Terrain
FORS MONTENEGRO FORSMONTENEGRO Foundation for the Development Fondacija za razvoj sjevera of Northern Montenegro Crne Gore Foundation for the Development of Northern Montenegro The project is funded by the European Union DIRECT BROCHURE ON HOW TO ACT IN ALPINE TERRAIN From a geographical standpoint, mountains are natural THE MOUNTAINS OF MONTENEGRO We hope that this brochure will be useful, that it will elevations of the earth’s surface attaining an altitude contribute to greater safety during stay in Montenegrin greater than 500 m. Mountains are formed and shaped by mountains, and that the tourists-hikers who visit our tectonic processes that could be classified as endogenic Montenegro is a South European and a Mediterranean mountains will carry away with them a most pleasant or internal (seismic an volcanic activity) or exogenic or country, mountainous and coastal at the same time, impression of their wild and breathtaking beauty. external (fluvial erosion – wearing away of soil by moving unique for its beauty, and one of the richest countries water, denudation – wearing down and stripping of the in Europe in terms of natural resources. e mountains rocks due to temperature swings, atmospheric influences, of Montenegro belong to the Dinaric Mountain Range. and expansion of plant roots, erosion – mechanical e prominent massifs are Orjen, Lovćen and Rumija disintegration of rocks, etc.). in the south, and Maglić, Durmitor, Vojnik, Morača Mountains, Komovi, Prokletije in the continental region, The tallest mountain ranges in the world are: The with an average elevation of the mountain peaks of over Himalayas with the highest peak in the world Mount 2,000 above sea level. -
Berner Oberland 4 X 4000 Mit Finsteraarhorn
Berner Oberland 4 x 4000 mit Finsteraarhorn Oberland Traversierung mit Mönch, Jungfrau und Finsteraarhorn Der Grosse Aletschgletscher mit dem Jungfraufirn ist der mächtigste Gletscher der Alpen. Das Eis ist am Konkordiaplatz noch gut 800 Meter dick! Der Blick schweift über weite Gletscherflächen und Sie bewegen sich in einer Atmosphäre arktischer Strenge. Der ebene und breite Gletscherstrom ist umgeben von den höchsten Gipfeln des Berner Oberlandes, die weit in den blauen Sommerhimmel ragen. Sie wandern auf einem schier endlos scheinenden Glet- scherstrom, der eine wohltuende Ruhe ausstrahlt, von Hütte zu Hütte. Viermal haben Sie dabei die Möglichkeit auf über 4000 Meter hohe Berge zu klettern und dort oben den Alltag weit hinter sich zu lassen. Von Grindelwald aus besteigen Sie zu Beginn der Reise die bekanntesten Gletscherberge des Gebie- tes – den Mönch (4099 m) und die Jungfrau (4158 m). Im Zentrum der Gletscherströme liegt die Kon- kordiahütte (2850 m) beeindruckend über dem Grossen Aletschgletscher. Von hier klettern Sie über steile Firnflanken und wunderbaren Fels auf das versteckte Gross Grünhorn (4043 m). In Schleifen führt der Weg weiter über den spaltenreichen Fieschergletscher, bevor Sie die Sonnen- terasse der neuen Finsteraarhornhütte (3048 m) erwartet. Die Hütte ist noch fast neu und bietet ange- nehmen Komfort. Freuen Sie sich dann am nächsten Morgen auf die wunderbaren Kletterpassagen im griffigen Fels des Finsteraarhorns (4273 m), dem höchsten Berner Oberländer. Nach Rückkehr von der Tour werden Sie auf der Sonnenterrasse liegend, noch lange in Gedanken dort oben sein… Zur Abrundung Ihrer Reise in diese monumentale Landschaft der Gletscher und Himmelsberge, erwar- tet Sie ein langer, intensiver Rückweg in die Zivilisation. -
Articles, Only Recently
Nat. Hazards Earth Syst. Sci., 16, 2085–2106, 2016 www.nat-hazards-earth-syst-sci.net/16/2085/2016/ doi:10.5194/nhess-16-2085-2016 © Author(s) 2016. CC Attribution 3.0 License. Climate anomalies associated with the occurrence of rockfalls at high-elevation in the Italian Alps Roberta Paranunzio1, Francesco Laio1, Marta Chiarle2, Guido Nigrelli2, and Fausto Guzzetti3 1Department of Environment, Land and Infrastructure Engineering, Politecnico di Torino, Torino, Italy 2Research Institute for Geo-hydrological Protection, National Research Council (CNR IRPI), Torino, Italy 3Research Institute for Geo-hydrological Protection, National Research Council (CNR IRPI), Perugia, Italy Correspondence to: Roberta Paranunzio ([email protected]) Received: 29 March 2016 – Published in Nat. Hazards Earth Syst. Sci. Discuss.: 4 April 2016 Revised: 13 July 2016 – Accepted: 22 August 2016 – Published: 12 September 2016 Abstract. Climate change is seriously affecting the 1 Introduction cryosphere in terms, for example, of permafrost thaw, al- teration of rain=snow ratio, and glacier shrinkage. There is concern about the increasing number of rockfalls at high el- The recent decades have seen a pronounced warming in evation in the last decades. Nevertheless, the exact role of global climate, primarily at high elevations and high latitudes climate parameters in slope instability at high elevation has (Schär et al., 2004). Temperature across European Alps has ◦ not been fully explored yet. In this paper, we investigate 41 increased of about 1.4 K per century over the period 1906– rockfalls listed in different sources (newspapers, technical re- 2005, which is more than double the global average (Brunetti ports, and CNR IRPI archive) in the elevation range 1500– et al., 2009) and further increases are expected according to 4200 m a.s.l. -
Mountain Permafrost and Recent Alpine Rock-Fall Events: a GIS-Based Approach to Determine Critical Factors
Permafrost, Phillips, Springman & Arenson (eds) © 2003 Swets & Zeitlinger, Lisse, ISBN 90 5809 582 7 Mountain permafrost and recent Alpine rock-fall events: a GIS-based approach to determine critical factors J. Noetzli, M. Hoelzle & W. Haeberli Glaciology and Geomorphodynamics Group, Department of Geography, University of Zurich, Switzerland ABSTRACT: Glacier retreat and permafrost changes, as related to climate change, are supposed to affect sta- bility conditions of steep rock walls in cold mountain ranges. Several rock-fall events, which have occurred in the European Alps during the 20th century, are possibly related to warm permafrost. This study undertakes a system- atic parameterization of rock-fall events in order to increase information about thermal and topographic condi- tions under which rock instabilities develop in areas of mountain permafrost. Thermal conditions of historically documented starting zones are parameterized by applying either empirical rules or GIS-based spatial models; slope is derived from DTMs. Despite the relatively small number of events documented so far (around 20), the first results presented clearly indicate that the factor permafrost must be considered in connection with rock-falls from high mountain slopes. 1 INTRODUCTION known rock-fall events in the Alps. In a first step, his- torically documented starting zones are investigated. A number of periglacial rock-fall events have occurred in the European Alps during the 20th century such as the Brenva Glacier rock avalanches of 1920 and 1997 2 HISTORICAL ROCK-FALL EVENTS in the Aosta Valley or the recent instability in the Monte Rosa east wall in the Anzasca Valley, both in So far, twenty rock-fall events or slope instabilities the Italian Alps. -
Cold Firn in the Mont Blanc and Monte Rosa Areas, European Alps: Spatial
Annals of Glaciology 35 2002 # InternationalGlaciological Society Cold firn in theMont Blanc and MonteRosa areas,European Alps: spatial distribution and statisticalmodels Stephan SUTER,* Martin HOELZLEÀ Versuchsanstalt fu rWasserbau,Hydrologie und Glaziologie,Eidgeno ssischeTechnische Hochschule,ETH-Zentrum,CH-8092 Zu rich,Switzerland E-mail: [email protected] ABSTRACT.Near-surface firntemperatures weremeasured in22steam-drilled bore- holesin the summit regionof Mont Blanc(F ranceand I taly)at 3800^4800 m a.s.l.in June 1998and in 3 1boreholesin the Monte Rosaarea (Italy and Switzerland )at3900 ^ 4500m a.s.l.in May^July1 999.Borehole temperatures were loggedto 22 m depth.The temperatures at1 8mdepthranged between temperate conditionsand approximately ^15³C. In a small altitudeband, the observeddistribution pattern suggests astronginflu- ence ofshortwaveradiation and turbulent heatexchange (being generally more effective atwind-exposed sites) .Thesetwo energy fluxes mainly determine the melt-energy input intothe snowand firn during summer and,thereby ,the measured near-surfacetempera- tures. Astatistical analysisof the measured firntemperatures revealedaltitude-dependent firntemperature gradientsof ^1.48and of ^2.36³ C (100m) ^1 forthe Mont Blancand Monte Rosaareas, respectively .Thehigh lapse rates, ascomparedto the air-temperature lapserate, arethe result ofenglaciallatent-heat contribution.The parameters elevation, potentialdirect solarradiation, slope and accumulation explain 480%of the variation ofthe meanannual firn temperatures. -
Stability Assessment of Degrading Permafrost Rock Slopes Based on A
https://doi.org/10.5194/esurf-2020-70 Preprint. Discussion started: 28 September 2020 c Author(s) 2020. CC BY 4.0 License. Stability assessment of degrading permafrost rock slopes based on a coupled thermo-mechanical model Philipp Mamot, Samuel Weber, Saskia Eppinger, and Michael Krautblatter Chair of Landslide Research, Technical University of Munich, 80333, Germany 5 Correspondence to: Philipp Mamot ([email protected]) Abstract. In the last two decades, permafrost degradation has been observed to be a major driver of enhanced rock slope instability and associated hazards in high mountains. While the thermal regime of permafrost degradation in high mountains has already been intensively investigated, the mechanical consequences on rock slope stability have so far not been reproduced in numerical models. Laboratory studies and conceptual models argue that warming and thawing decrease rock and 10 discontinuity strength and promote deformation. This study presents the first general approach for a temperature-dependent numerical stability model that simulates the mechanical response of a warming and thawing permafrost rock slope. The proposed procedure is applied to a rockslide at the permafrost-affected Zugspitze summit crest. Laboratory tests on frozen and unfrozen rock joint and intact rock properties provide material parameters for the discontinuum model developed with the Universal Distinct Element Code (UDEC). 15 Geophysical and geotechnical field surveys deliver information on the permafrost distribution and fracture network. The model demonstrates that warming decreases rock slope stability to a critical level, while thawing initiates failure. A sensitivity analysis of the model with a simplified geometry and warming trajectory below 0 °C shows that progressive warming close to the melting point initiates instability above a critical slope angle of 50–62°, depending on the orientation of the fracture network.