Mountains Are Listed by Their Official Names and Ranges; Quotation Marks Indicate Unofficial Names
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Cordillera Blanca : Glaciares En La Historia
Bull. Inst. Fr. &tildes andines 36 B. FRANCOU, P. RlBSTElN - 1995, 24 (1): 37-64 THOMPSON, L.G., 1992- Ice core evidence from Peru and China. in :Clirrrnte sir~eA.D.1500.(R. Bradley and P.D. Jones editors) :517-548, London: Routledege. THOMPSON, L.G., MOSLEY-THOMPSON, E. C MORALES ARNAO, B., 1984 - El Niiio Southern Oscillation events recorded in the stratigraphy of the Tropical Quelccaya ice cap, Peru. Science, :50-53. 22 M. THOMPSON,J., L.G., MOSLEY-THOMPSON, E., DAVIS, M., LIN, P.N., YAO,T., DYURGEROV, & DAI, 1993- ”Recent warming” : ice core evidence from tropical ice cores with empllass on Central Asia. Globnl nird Plnrv&?ry Clrnqe, 7 : 145-156. CORDILLERA BLANCA GLACIARES EN LA HISTORIA I I *O Resumen Seminario internacional: La mis vasta cobertura glaciar situada entre los trilpicos aqarece como objeto de estudio AIUSE ESTRUCTURAL, POL“ AGRARIASY SECTOR AGROPECUARIO EN BOUMA, CHILE, ECUADOR Y PERU, rela tivainente tarde, a fines del sigla XIX, sobre todo gracias a Ias expediciones austro alemanas a partir organizado por el CEPES y FAO y realizado en mayo de 1994 en la ciudad de Lima. de los aiios 1930-1940.EI desarrollo del alpinismo y un gran nilmero de catistrofes mortales asociadas a la dinimica de estos glaciares (rotura de lagunas de represa morrénica, avalanchas) atrajeron la Ajuste estructural el papel relativo del sector agrario en el desarrollo del PerídJuvier lgiiifiíí y atención ysuscitaron investigaciones glaciológicas.En 1980,seencuentran entre losmejormonitoreados de losglaciares tropicales,primero, gracias a un programa -
Geologic Maps of the Eastern Alaska Range, Alaska, (44 Quadrangles, 1:63360 Scale)
Report of Investigations 2015-6 GEOLOGIC MAPS OF THE EASTERN ALASKA RANGE, ALASKA, (44 quadrangles, 1:63,360 scale) descriptions and interpretations of map units by Warren J. Nokleberg, John N. Aleinikoff, Gerard C. Bond, Oscar J. Ferrians, Jr., Paige L. Herzon, Ian M. Lange, Ronny T. Miyaoka, Donald H. Richter, Carl E. Schwab, Steven R. Silva, Thomas E. Smith, and Richard E. Zehner Southeastern Tanana Basin Southern Yukon–Tanana Upland and Terrane Delta River Granite Jarvis Mountain Aurora Peak Creek Terrane Hines Creek Fault Black Rapids Glacier Jarvis Creek Glacier Subterrane - Southern Yukon–Tanana Terrane Windy Terrane Denali Denali Fault Fault East Susitna Canwell Batholith Glacier Maclaren Glacier McCallum Creek- Metamorhic Belt Meteor Peak Slate Creek Thrust Broxson Gulch Fault Thrust Rainbow Mountain Slana River Subterrane, Wrangellia Terrane Phelan Delta Creek River Highway Slana River Subterrane, Wrangellia Terrane Published by STATE OF ALASKA DEPARTMENT OF NATURAL RESOURCES DIVISION OF GEOLOGICAL & GEOPHYSICAL SURVEYS 2015 GEOLOGIC MAPS OF THE EASTERN ALASKA RANGE, ALASKA, (44 quadrangles, 1:63,360 scale) descriptions and interpretations of map units Warren J. Nokleberg, John N. Aleinikoff, Gerard C. Bond, Oscar J. Ferrians, Jr., Paige L. Herzon, Ian M. Lange, Ronny T. Miyaoka, Donald H. Richter, Carl E. Schwab, Steven R. Silva, Thomas E. Smith, and Richard E. Zehner COVER: View toward the north across the eastern Alaska Range and into the southern Yukon–Tanana Upland highlighting geologic, structural, and geomorphic features. View is across the central Mount Hayes Quadrangle and is centered on the Delta River, Richardson Highway, and Trans-Alaska Pipeline System (TAPS). Major geologic features, from south to north, are: (1) the Slana River Subterrane, Wrangellia Terrane; (2) the Maclaren Terrane containing the Maclaren Glacier Metamorphic Belt to the south and the East Susitna Batholith to the north; (3) the Windy Terrane; (4) the Aurora Peak Terrane; and (5) the Jarvis Creek Glacier Subterrane of the Yukon–Tanana Terrane. -
Club Activities
Club Activities EDITEDBY FREDERICKO.JOHNSON A.A.C.. Cascade Section. The Cascade Section had an active year in 1979. Our Activities Committee organized a slide show by the well- known British climber Chris Bonington with over 700 people attending. A scheduled slide and movie presentation by Austrian Peter Habeler unfortunately was cancelled at the last minute owing to his illness. On-going activities during the spring included a continuation of the plan to replace old bolt belay and rappel anchors at Peshastin Pinnacles with new heavy-duty bolts. Peshastin Pinnacles is one of Washington’s best high-angle rock climbing areas and is used heavily in the spring and fall by climbers from the northwestern United States and Canada. Other spring activities included a pot-luck dinner and slides of the American Women’s Himalayan Expedition to Annapurna I by Joan Firey. In November Steve Swenson presented slides of his ascents of the Aiguille du Triolet, Les Droites, and the Grandes Jorasses in the Alps. At the annual banquet on December 7 special recognition was given to sec- tion members Jim Henriot, Lynn Buchanan, Ruth Mendenhall, Howard Stansbury, and Sean Rice for their contributions of time and energy to Club endeavors. The new chairman, John Mendenhall, was introduced, and a program of slides of the alpine-style ascent of Nuptse in the Nepal Himalaya was presented by Georges Bettembourg, followed by the film, Free Climb. Over 90 members and guests were in attendance. The Cascade Section Endowment Fund Committee succeeded in raising more than $5000 during 1979, to bring total donations to more than $12,000 with 42% of the members participating. -
2020 January Scree
the SCREE Mountaineering Club of Alaska January 2020 Volume 63, Number 1 Contents Mount Anno Domini Peak 2330 and Far Out Peak Devils Paw North Taku Tower Randoism via Rosie’s Roost "The greatest danger for Berlin Wall most of us is not that our aim is too high and we Katmai and the Valley of Ten Thousand Smokes miss it, but that it is too Peak of the Month: Old Snowy low and we reach it." – Michelangelo JANUARY MEETING: Wednesday, January 8, at 6:30 p.m. Luc Mehl will give the presentation. The Mountaineering Club of Alaska www.mtnclubak.org "To maintain, promote, and perpetuate the association of persons who are interested in promoting, sponsoring, im- proving, stimulating, and contributing to the exercise of skill and safety in the Art and Science of Mountaineering." This issue brought to you by: Editor—Steve Gruhn assisted by Dawn Munroe Hut Needs and Notes Cover Photo If you are headed to one of the MCA huts, please consult the Hut Gabe Hayden high on Devils Paw. Inventory and Needs on the website (http://www.mtnclubak.org/ Photo by Brette Harrington index.cfm/Huts/Hut-Inventory-and-Needs) or Greg Bragiel, MCA Huts Committee Chairman, at either [email protected] or (907) 350-5146 to see what needs to be taken to the huts or repaired. All JANUARY MEETING huts have tools and materials so that anyone can make basic re- Wednesday, January 8, at 6:30 p.m. at the BP Energy Center at pairs. Hutmeisters are needed for each hut: If you have a favorite 1014 Energy Court in Anchorage. -
Melt Regimes, Stratigraphy, Flow Dynamics and Glaciochemistry of Three Glaciers in the Alaska Range
Journal of Glaciology, Vol. 58, No. 207, 2012 doi: 10.3189/2012JoG10J238 99 Melt regimes, stratigraphy, flow dynamics and glaciochemistry of three glaciers in the Alaska Range Seth CAMPBELL,1,2 Karl KREUTZ,1 Erich OSTERBERG,3 Steven ARCONE,2 Cameron WAKE,4 Douglas INTRONE,1 Kevin VOLKENING,5 Dominic WINSKI1 1Climate Change Institute and Department of Earth Sciences, University of Maine, Orono, ME, USA E-mail: [email protected] 2US Army Cold Regions Research and Engineering Laboratory, Hanover, NH, USA 3Department of Earth Sciences, Dartmouth College, Hanover, NH, USA 4Complex Systems Research Center, Institute for the Study of Earth, Oceans and Space, University of New Hampshire, Durham, NH, USA 5Department of Chemical and Biological Engineering, Montana State University, Bozeman, MT, USA ABSTRACT. We used ground-penetrating radar (GPR), GPS and glaciochemistry to evaluate melt regimes and ice depths, important variables for mass-balance and ice-volume studies, of Upper Yentna Glacier, Upper Kahiltna Glacier and the Mount Hunter ice divide, Alaska. We show the wet, percolation and dry snow zones located below 2700 m a.s.l., at 2700 to 3900 m a.s.l. and above 3900 m a.s.l., respectively. We successfully imaged glacier ice depths upwards of 480 m using 40–100 MHz GPR frequencies. This depth is nearly double previous depth measurements reached using mid-frequency GPR systems on temperate glaciers. Few Holocene-length climate records are available in Alaska, hence we also assess stratigraphy and flow dynamics at each study site as a potential ice-core location. Ice layers in shallow firn cores and attenuated glaciochemical signals or lacking strata in GPR profiles collected on Upper Yentna Glacier suggest that regions below 2800 m a.s.l. -
An Introduction to the Bofedales of the Peruvian High Andes
An introduction to the bofedales of the Peruvian High Andes M.S. Maldonado Fonkén International Mire Conservation Group, Lima, Peru _______________________________________________________________________________________ SUMMARY In Peru, the term “bofedales” is used to describe areas of wetland vegetation that may have underlying peat layers. These areas are a key resource for traditional land management at high altitude. Because they retain water in the upper basins of the cordillera, they are important sources of water and forage for domesticated livestock as well as biodiversity hotspots. This article is based on more than six years’ work on bofedales in several regions of Peru. The concept of bofedal is introduced, the typical plant communities are identified and the associated wild mammals, birds and amphibians are described. Also, the most recent studies of peat and carbon storage in bofedales are reviewed. Traditional land use since prehispanic times has involved the management of water and livestock, both of which are essential for maintenance of these ecosystems. The status of bofedales in Peruvian legislation and their representation in natural protected areas and Ramsar sites is outlined. Finally, the main threats to their conservation (overgrazing, peat extraction, mining and development of infrastructure) are identified. KEY WORDS: cushion bog, high-altitude peat; land management; Peru; tropical peatland; wetland _______________________________________________________________________________________ INTRODUCTION organic soil or peat and a year-round green appearance which contrasts with the yellow of the The Tropical Andes Cordillera has a complex drier land that surrounds them. This contrast is geography and varied climatic conditions, which especially striking in the xerophytic puna. Bofedales support an enormous heterogeneity of ecosystems are also called “oconales” in several parts of the and high biodiversity (Sagástegui et al. -
Stevie Haston Aleš Česen Malcolm Bass Tom Ballard Steve Skelton F.Lli Franchini Korra Pesce
# 33 Stile Alpino Luoghi & Montagne MONTE BIANCO BHAGIRATHI III CIVETTA KISHTWAR SHIVLING GASHERBRUM IV HIMALAYA MALTA TAULLIRAJU Protagonisti STEVIE HASTON ALEš ČESEN MALCOLM BASS TOM BALLARD STEVE SKELTON F.LLI FRANCHINI KORRA PESCE Speciale PILASTRO ROSSO DEL BROUILLARD In collaborazione con: ALPINE STUDIO EDITORE Trimestrale anno VIII n° 33 settembre 2016 (n. 3/2016) € 4,90 La giacca più leggera e impermeabile del momento LIGHTWEIGHT WITHOUT COMPROMISE MINIMUS 777 JACKET Con un peso di soli 139g, la Minimus 777 è una giacca per Alpinismo e da Trail di una leggerezza estrema, con 3 strati impermeabili, una traspirabilità elevata e una comprimibilità senza precedenti. Pertex® Shield + exclusive technology: 7 denier face, 7 micron membrane, 7 denier tricot backer montane.eu La giacca più leggera e EDITORIAL # 33 impermeabile del momento • Firstly I would like to openly admit that I do not really like to write about or com- ment on other peoples mountaineering endeavors, because it is impossible to comple- tely understand an experience in the mountains unless you have lived it yourself. Ten years after my predecessor I will have the difficult task to replace Fabio Palma in writing the editorials of Stile Alpino. Certainly he is better skilled than me in writing and has been one of the creators of this magazine founded by the Ragni di Lecco group. Nonetheless, I will try to be up to the job helping to select the last ascents around the world and to suggest new places but always taking care to include ascents in the Alps and close to home. The objective of Stile Alpino is to improve and steadily grow in order to publish ar- ticles, that might not have been published before, on ascents in unknown or known areas. -
476 the AMERICAN ALPINE JOURNAL Glaciers That Our Access Was Finally Made Through the Mountain Rampart
476 THE AMERICAN ALPINE JOURNAL glaciers that our access was finally made through the mountain rampart. One group operated there and climbed some of the high-grade towers by stylish and demanding routes, while the other group climbed from a hid- den loch, ringed by attractive peaks, north of the valley and intermingled with the mountains visited by the 1971 St. Andrews expedition (A.A.J., 1972. 18: 1, p. 156). At the halfway stage we regrouped for new objec- tives in the side valleys close to Base Camp, while for the final efforts we placed another party by canoe amongst the most easterly of the smooth and sheer pinnacles of the “Land of the Towers,” while another canoe party voyaged east to climb on the islands of Pamiagdluk and Quvernit. Weather conditions were excellent throughout the summer: most climbs were done on windless and sunny days and bivouacs were seldom contem- plated by the parties abseiling down in the night gloom. Two mountains may illustrate the nature of the routes: Angiartarfik (1845 meters or 6053 feet; Grade III), a complex massive peak above Base Camp, was ascended by front-pointing in crampons up 2300 feet of frozen high-angled snow and then descended on the same slope in soft thawing slush: this, the easiest route on the peak, became impracticable by mid-July when the snow melted off to expose a crevassed slope of green ice; Twin Pillars of Pamiagdluk (1373 meters or 4505 feet; Grade V), a welded pair of abrupt pinnacles comprising the highest peak on this island, was climbed in a three-day sortie by traversing on to its steep slabby east wall and following a thin 300-metre line to the summit crest. -
Alaska Range
Alaska Range Introduction The heavily glacierized Alaska Range consists of a number of adjacent and discrete mountain ranges that extend in an arc more than 750 km long (figs. 1, 381). From east to west, named ranges include the Nutzotin, Mentas- ta, Amphitheater, Clearwater, Tokosha, Kichatna, Teocalli, Tordrillo, Terra Cotta, and Revelation Mountains. This arcuate mountain massif spans the area from the White River, just east of the Canadian Border, to Merrill Pass on the western side of Cook Inlet southwest of Anchorage. Many of the indi- Figure 381.—Index map of vidual ranges support glaciers. The total glacier area of the Alaska Range is the Alaska Range showing 2 approximately 13,900 km (Post and Meier, 1980, p. 45). Its several thousand the glacierized areas. Index glaciers range in size from tiny unnamed cirque glaciers with areas of less map modified from Field than 1 km2 to very large valley glaciers with lengths up to 76 km (Denton (1975a). Figure 382.—Enlargement of NOAA Advanced Very High Resolution Radiometer (AVHRR) image mosaic of the Alaska Range in summer 1995. National Oceanic and Atmospheric Administration image mosaic from Mike Fleming, Alaska Science Center, U.S. Geological Survey, Anchorage, Alaska. The numbers 1–5 indicate the seg- ments of the Alaska Range discussed in the text. K406 SATELLITE IMAGE ATLAS OF GLACIERS OF THE WORLD and Field, 1975a, p. 575) and areas of greater than 500 km2. Alaska Range glaciers extend in elevation from above 6,000 m, near the summit of Mount McKinley, to slightly more than 100 m above sea level at Capps and Triumvi- rate Glaciers in the southwestern part of the range. -
Landsat TM and ETM+ Derived Snowline Altitudes in the Cordillera Huayhuash and Cordillera Raura, Peru, 1986–2005
The Cryosphere, 5, 419–430, 2011 www.the-cryosphere.net/5/419/2011/ The Cryosphere doi:10.5194/tc-5-419-2011 © Author(s) 2011. CC Attribution 3.0 License. Landsat TM and ETM+ derived snowline altitudes in the Cordillera Huayhuash and Cordillera Raura, Peru, 1986–2005 E. M. McFadden1,*,**, J. Ramage1, and D. T. Rodbell2 1Earth and Environmental Sciences, Lehigh University, 1 West Packer Ave., Bethlehem, PA 18015, USA 2Geology Department, Union College, Schenectady, NY 12308, USA *now at: Byrd Polar Research Center, The Ohio State University, 1090 Carmack Road, Columbus, OH 43210, USA **now at: School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 S. Oval Mall, Columbus, OH 43210, USA Received: 13 August 2010 – Published in The Cryosphere Discuss.: 6 October 2010 Revised: 10 March 2011 – Accepted: 4 May 2011 – Published: 23 May 2011 Abstract. The Cordilleras Huayhuash and Raura are remote and better-known Cordillera Blanca, and has 117 glaciers glacierized ranges in the Andes Mountains of Peru. A robust covering ∼85 km2 (Morales Arnao, 2001). Peaks are typ- assessment of modern glacier change is important for under- ically over 6000 m a.s.l., with the highest peak recorded at standing how regional change affects Andean communities, 6617 m a.s.l. (Nevado Yerupaja).´ The Cordillera Raura, lo- and for placing paleo-glaciers in a context relative to mod- cated to the southeast of the Cordillera Huayhuash, has ern glaciation and climate. Snowline altitudes (SLAs) de- a slightly smaller (55 km2) glacier area (Morales Arnao, rived from satellite imagery are used as a proxy for modern 2001). -
Folleto Inglés (1.995Mb)
Impressive trails Trekking in Áncash Trekking trails in Santa Cruz © J. Vallejo / PROMPERÚ Trekking trails in Áncash Áncash Capital: Huaraz Temperature Max.: 27 ºC Min.: 7 ºC Highest elevation Max.: 3090 meters Three ideal trekking trails: 1. HUAYHUASH MOUNTAIN RANGE RESERVED AREA Circuit: The Huayhuash Mountain Range 2. HUASCARÁN NATIONAL PARK SOUTH AND HUARAZ Circuit: Olleros-Chavín Circuit: Day treks from Huaraz Circuit: Quillcayhuanca-Cójup 3. HUASCARÁN NATIONAL PARK NORTH Circuit: Llanganuco-Santa Cruz Circuit: Los Cedros-Alpamayo HUAYHUASH MOUNTAIN RANGE RESERVED AREA Circuit: Huayhuash Mountain Range (2-12 days) 45 km from Chiquián to Llámac to the start of the trek (1 hr. 45 min. by car). This trail is regarded one of the most spectacular in the world. It is very popular among mountaineering enthusiasts, since six of its many summits exceed 6000 meters in elevation. Mount Yerupajá (6634 meters) is one such example: it is the country’s second highest peak. Several trails which vary in length between 45 and 180 kilometers are available, with hiking times from as few as two days to as many as twelve. The options include: • Circle the mountain range: (Llámac-Pocpa-Queropalca Quishuarcancha-Túpac Amaru-Uramaza-Huayllapa-Pacllón): 180 km (10-12 days). • Llámac-Jahuacocha: 28 km (2-3 days). Most hikers begin in Llámac or Matacancha. Diverse landscapes of singular beauty are clearly visible along the treks: dozens of rivers; a great variety of flora and fauna; turquoise colored lagoons, such as Jahuacocha, Mitucocha, Carhuacocha, and Viconga, and; the spectacular snow caps of Rondoy (5870 m), Jirishanca (6094 m), Siulá (6344 m), and Diablo Mudo (5223 m). -
Ley, So the Still Deeper Cañon of Lower Two Miles,That Is, Beyond Rather Than
THE CANON OF YOSEMITE 87 As Merced Cañon forms the southeast branch of Yosemite Val- ley, so the still deeper cañon of Tenaya Creek isits northeastern arm.Here the glacial story is less plain, and on first sight, from the heights on either side, it might be overlooked.For above the cañon's lower two miles,that is, beyond the foot of Mt. Watkins,it crowds to a narrow box-cañon between that great cliff and the steep incline of Clouds Rest.This might seem to be a V-shaped, stream-cut gorge, rather than to have the broader bottom commonly left by a glacier. But alittle exploration discovers glacial footprints in the terminal moraines and the lakes and filled lake-beds,withfineconnecting waterfalls, that mark aglacier's descent from the Cathedral Peak Range, south of the Tuolumne. We Overhung at Summit of the Half Dont,-. nrart have hardly entered the cañon, in- a tulle above the Valley floor nn.l Tena-u deed, before we are reminded of (allan.El Caption Is seen in the tllatanee. El Capitan moraine and the enclosed Yosemite Lake. A similar boulder ridge, thrown across the cañon here, is traversed by the road as it carries visitors on their early morning trips to see the sunrise reflections in Mirror Lake.This lakelet evidently occupies the lowermost of the glacial steps.It is a mere reminder of its former size, the delta of Tenaya Creek having stolen a mile from its upper end.Farther up the cañon, below and above Mt. Watkins, stream sediment has already turned similar lakes into meadows.