Geography for Nongeographers
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A Quantitative Assessment of Dirt-Cone Dynamics
J ournal of Glaciology, V ol. 1 I , No. 63, 1972 A QUANTITATIVE ASSESSMENT OF DIRT-CONE DYNAMICS By DAVID J. DREWRY (Scott Polar Research Institute, Cambridge CB2 IER, Engla nd) ABSTRACT . Quantitative investigations have been made of ice-cored dirt cones on Bersaerkerbrre in north-east Greenland. Experiments were also undertaken to eva luate field observations. M easurem ents included: m aximum cone dimensions, sediment thickness and pa rticle size, cone growth ra tes, slo pe a ngles and the tempera ture distribution within the d ebris layer and ice core. Particle size, which h as not been stressed in previous studies, a nd rela ted liquid consistency limits, appear as the domina nt controls in cone forma tion, independent of d ebris thickness within the observed ra nge of 10 mm to 125 mm. A thres hold gra in·size for dir t-cone inception was found, between 0.2 mm and 0.6 mm. The growth of con es was usually no t more tha n 50% of the a blation over "clean" ice. T empera ture m easuremen ts within dirt cones has enabled heat-flow studies to be made, evalua ting the thermal conductivity of a sediment layer a nd the heat tra nsfer involved in m elting the ice core. A simple m odel of dirt-cone d ynamics is proposed , characterized by negative feed backs and describing a stead y-sta te system. R ESUME. Une approche quantitative de la dynamique des "cones de pOllssiere". Des recherches qua ntita ti ves ont ele faites d e cones de poussiere (dirt-cones) a noyau d e glace da ns le Bersaerkerbrre dans le Nord-Est du G roenla nd. -
Alexander the Great's Tombolos at Tyre and Alexandria, Eastern Mediterranean ⁎ N
Available online at www.sciencedirect.com Geomorphology 100 (2008) 377–400 www.elsevier.com/locate/geomorph Alexander the Great's tombolos at Tyre and Alexandria, eastern Mediterranean ⁎ N. Marriner a, , J.P. Goiran b, C. Morhange a a CNRS CEREGE UMR 6635, Université Aix-Marseille, Europôle de l'Arbois, BP 80, 13545 Aix-en-Provence cedex 04, France b CNRS MOM Archéorient UMR 5133, 5/7 rue Raulin, 69365 Lyon cedex 07, France Received 25 July 2007; received in revised form 10 January 2008; accepted 11 January 2008 Available online 2 February 2008 Abstract Tyre and Alexandria's coastlines are today characterised by wave-dominated tombolos, peculiar sand isthmuses that link former islands to the adjacent continent. Paradoxically, despite a long history of inquiry into spit and barrier formation, understanding of the dynamics and sedimentary history of tombolos over the Holocene timescale is poor. At Tyre and Alexandria we demonstrate that these rare coastal features are the heritage of a long history of natural morphodynamic forcing and human impacts. In 332 BC, following a protracted seven-month siege of the city, Alexander the Great's engineers cleverly exploited a shallow sublittoral sand bank to seize the island fortress; Tyre's causeway served as a prototype for Alexandria's Heptastadium built a few months later. We report stratigraphic and geomorphological data from the two sand spits, proposing a chronostratigraphic model of tombolo evolution. © 2008 Elsevier B.V. All rights reserved. Keywords: Tombolo; Spit; Tyre; Alexandria; Mediterranean; Holocene 1. Introduction Courtaud, 2000; Browder and McNinch, 2006); (2) establishing a typology of shoreline salients and tombolos (Zenkovich, 1967; The term tombolo is used to define a spit of sand or shingle Sanderson and Eliot, 1996); and (3) modelling the geometrical linking an island to the adjacent coast. -
Formation, Meltout Processes and Landscape Alteration of High-Arctic Ice-Cored Moraines——Examples from Nordenskiold Land, Central Spitsbergen Sven Lukas, Lindsey I
This article was downloaded by: [Universitaetsbibliothek Innsbruck] On: 14 September 2011, At: 02:08 Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK Polar Geography Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/tpog20 Formation, Meltout Processes and Landscape Alteration of High-Arctic Ice-Cored Moraines——Examples From Nordenskiold Land, Central Spitsbergen Sven Lukas, Lindsey I. Nicholson, Fionna H. Ross & Ole Humlum Available online: 04 Mar 2011 To cite this article: Sven Lukas, Lindsey I. Nicholson, Fionna H. Ross & Ole Humlum (2005): Formation, Meltout Processes and Landscape Alteration of High-Arctic Ice-Cored Moraines——Examples From Nordenskiold Land, Central Spitsbergen, Polar Geography, 29:3, 157-187 To link to this article: http://dx.doi.org/10.1080/789610198 PLEASE SCROLL DOWN FOR ARTICLE Full terms and conditions of use: http://www.tandfonline.com/page/terms-and- conditions This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan, sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date. The accuracy of any instructions, formulae and drug doses should be independently verified with primary sources. The publisher shall not be liable for any loss, actions, claims, proceedings, demand or costs or damages whatsoever or howsoever caused arising directly or indirectly in connection with or arising out of the use of this material. -
2010 NCJ Jan Feb Cover.Pmd
$4 WWW.RADiOSCAMATORUL.Hi2.RO ■ Adapting the Ameritron RCS-4 for Remote-SiteWWW.GiURUMELE.Hi2.RO Antenna Switching ■ NCJ Reviews: Up the Tower by Steve Morris, K7LXC ■ Results: Summer 2009 NAQP (CW, SSB, RTTY) ■ Results: Fall 2009 NA Sprint (CW, SSB, RTTY) Top Photo: Rick, K6VVA, chronicles his lessons learned while building a remote contesting station at “Locust Peak.” Bottom Photo: NCJ remembers the four members of the C6APR team, who died tragically while en route to the Bahamas for the 2009 CQ WW SSB: (L-R) Ed, K3IXD; Randy, K4QO; Pete, W2GJ, and Dallas, W3PP. 225 Main Street • Newington, CT 06111-1494 CT Newington, • Street Main 225 American Radio Relay League Relay Radio American NCJ : The National Contest Journal Contest National The : Array Solutions Your Source for Outstanding Radio Products Count on us for sound, reliable, effi cient and effective equipment. It’s been our passion for over 18 years. Make sure to visit our website to see all that we have to offer. WWW.RADiOSCAMATORUL.Hi2.ROFeaturing... Antenna Switches EightPak 8X2 RF Matrix Antenna Switch ■ 8 antennas can switch between 2 radios to cover more bands and antennas. ■ High isolation between all ports means safe reliable operation without risk to New! radio front ends. ■ CoverC MOREMORE Single 4-wire control cable, makes wiring easy and economical. Bands and Antennas! ■ Multiple EightPaks can use the same control cable simplifying wiring of large installations. ■ Can be used with the manual controller or via RS-232 or USB interface. WWW.GiURUMELE.Hi2.ROIncludes an application to allow full-confi guration of multiple switches and antenna selection assignments. -
CURRICULUM VITAE Friday, May 11, 2018
CURRICULUM VITAE Friday, May 11, 2018 Stuart Campbell Aitken Distinguished Professor and June Burnett Endowed Chair Department of Geography College of Arts and Letters San Diego State University San Diego, CA 92182 Phone: (619) 594-6498 FAX: (619) 594-4938 E-mail: [email protected] Websites - http://geography.sdsu.edu/People/Faculty/aitken.html http://geography.sdsu.edu/People/Pages/aitken/aitken_cv.pdf CONTENTS PAGE HIGHER EDUCATION AND ACADEMIC POSITIONS HELD 02-03 PUBLICATIONS 04-21 o AUTHOR IMPACT ANALYSIS o SCHOLARLY BOOKS o CHAPTERS IN SCHOLARLY BOOKS o OTHER PUBLICATIONS IN SCHOLARLY BOOKS (including encyclopedias) o COMPILED AND EDITED THEME ISSUES IN REFEREED JOURNALS o ARTICLES IN REFEREED JOURNALS o ARTICLES IN REFEREED PROCEEDINGS o DISCUSSION AND WORKING PAPERS o BOOK REVIEWS, REVIEW ESSAYS & RESPONSES o PROFESSIONAL REPORTS AND TECHNICAL DOCUMENTS PRESENTATIONS 21-34 o KEYNOTE ADDRESSES o PAPERS PRESENTED AT PROFESSIONAL MEETINGS o INVITED COLLOQUIA RESEARCH GRANTS, CONTRACTS & COMPETITIVELY AWARDED 35-37 PROFESSIONAL LEAVES OTHER PROFESSIONAL ACTIVITIES 38-45 o PARTICIPATION IN PROFESSIONAL ASSOCIATIONS o MANUSCRIPTS AND PROPOSALS REVIEWED o EXTERNAL REVIEWER FOR DEPARTMENTAL ASSESSMENTS, DOCTORAL STUDENT DISSERTATIONS AND TENURE/PROMOTION DECISIONS o OTHER RELATED WORK AND ACADEMIC EXPERIENCE SCHOLARLY AWARDS AND HONORS 46-47 TEACHING 48-54 o CURRICULUM DEVELOPMENT AND TEACHING INNOVATIONS o CURRENT AND COMPLETED GRADUATE DISSERTATION AND o THESIS ADVISING o UNDERGRADUATE INVOLVEMENT IN RESEARCH SERVICE TO -
Silicon Flatirons Leadership 8-9
2013 ANNUAL REPORT Silicon Flatirons A Center for Law, Technology, and Entrepreneurship at the University of Colorado TABLE OF CONTENTS Letter from the Executive Director 4-5 About Silicon Flatirons 6-7 Silicon Flatirons Leadership 8-9 Mission Elevate the Debate Surrounding Technology Policy Issues 10-11 Support and Enable Entrepreneurship in the Technology Community 12-15 Inspire, Prepare, and Place Students in Technology and Entrepreneurial Law 16-19 Output Calendar of Events 20-21 Silicon Flatirons Reports and Faculty Publications 22 People Silicon Flatirons Fellows 23 Affiliated Faculty 24-25 Advisory Boards 26-27 Supporters 28-29 www.silicon-flatirons.org 3 LEttER FROM THE EXECUTIVE DIRECTOR Federal Trade Commission to direct our IP/IT Initiative. Paul is through two summer programs we now host—(1) the placement tremendous such opportunity. The Silicon Flatirons’ engagement recently brought this experience to bear at our January 17th of Colorado students in technology law and policy summer in the community is also evident from our range of research conference on Privacy Harm. We also brought back Blake Reid internships in Washington, D.C. (including those supported by the reports related to entrepreneurship and innovation—ranging from (’10) as the Director of our Samuelson-Glushko Technology Dale Hatfield Scholars Program); and (2) a new Colorado-based the Denver Startup Scene to University Outreach to Health Care Law and Policy Clinic. In addition to directing the TLPC, Blake program that places students with technology companies after Innovation. assumed the lead role for the Silicon Flatirons Technology Policy completing a rigorous boot camp. If you are interested in getting DC Internship program. -
Bryce Canyon National Park
Lees Ferry, Arizona), White (which surround Utah Zion Canyon), Gray and Pink. Most of the Grand Staircase is now contained within the BLM-managed Grand Staircase - Escalante National Monument. The rocks that give Bryce Canyon its distinctive colors are members of the Claron Formation, a mixed Highlights limestone/sandstone layer, and are also found exposed, with similarly intricate forms, in other nearly locations such as Red Canyon and Cedar Breaks. Erosion: Water is responsible for creating the rock shapes in Bryce Canyon National Park. Rain and melting snow flowing down the Pink Cliffs towards the Paria River form ridges, or fins, which subsequently erode into the spires, pinnacles and other shapes (collectively known as ‘hoodoos’) which are left standing. In time these too erode, and the whole process moves very gradually westwards as more of the cliff is slowly worn away. During the long, cold winters, the cliffs are further weakened by freezing water Bryce Canyon National Park expanding in cracks, resulting in more erosion when the ice Bryce Canyon National Park does not contain one main thaws in spring. canyon, but rather a dozen smaller ravines eroded into the east side of a ridge running approximately north-south at Bryce Canyon Trails: As with most national parks, the best the edge of the Paunsaugunt Plateau in southwest Utah. This way to appreciate Bryce Canyon is to explore away from erosion has resulted in thousands of bizarre and fragile rock the main roads. There are various trails both along the rim formations, large and small, in many subtle shades of pink, and down through the formations, but probably the best white, yellow, orange and red, extending in quite a narrow is the Fairyland Loop Trail, an 8 mile, little-used route which band for over 25 miles along the plateau rim. -
Hnh ENGINEERING
HnHENGINEERING OVERVIEW 1991 has been a productive and rewarding year for Engineers throughout the Corporation. Important projects that have come to fruition include the Broadcasting Centre at Southampton, the Blackstaff development in Belfast, the Millbank parliamentary broadcasting facility, the new Manchester vehicle maintenance base, Television Centre Stage V, Skelton C HF station, and many more, as detailed in the following pages. The year will also be remembered for notable progress on the digital front. The new D3 digital video recorder is rapidly becoming established as the main post production machine, and high quality digital stereo television sound is now available to more than 70% of the BBC's audience via NlCAM 728. However the most notable 'digital event' of 1991 could turn out to be the Digital Audio Broadcasting (DAB) demon- strations that we mounted in Birmingham in July. These demonstrations showed that DAB can deliver CD-quality digital sound to fixed, portable, or car receivers, even in inhospitable reception areas. Some difficulties remain to be overcome, including the need to get agreement on a frequency assignment for new DAB radio services. Nevertheless, most of those attending the demonstrations were convinced that they had witnessed a major technical advance in sound broad- casting, whose introduction cannot long be delayed. TRANSMISSIO TRANSMISSION OPERATIONS As a result of the Broadcasting Act, the transmission responsibilities previously discharged by the IBA United Kingdom have been taken over by a private company, National Skelton C, opened in May 1991 by Mark Transcommunications Limited (NTL). In order to deal Lennox-Boyd, Under Secretary for with the consequent mutual charging for site faci- Foreign and Commonwealth Affairs, is fully lities a computer database has been established, automated and is the UK's first high-power HF which deals with the complicated charging system transmitting station to be operated as a remote and maintains records of NTLfacilities on BBC sites. -
Upper Grande Ronde River Subbasin Water Quality Management Plan
Upper Grande Ronde Subbasin WQMP UPPER GRANDE RONDE RIVER SUBBASIN WATER QUALITY MANAGEMENT PLAN El gin Summer vill e Imbler La Gr ande Cove Union N W E S Prepared by Grande Ronde Water Quality Committee ______________________________________________________________________________ Grande Ronde Water Quality Committee Page 1 April 2000 Upper Grande Ronde Subbasin WQMP TABLE OF CONTENTS Acronyms Used in This Document....................................................................................................................... 4 INTRODUCTION....................................................................................................................................................... 6 CLEAN WATER ACT, 303(D) LIST, TMDLS, AND WQMPS. ..................................................................................... 6 ENVIRONMENTAL QUALITY COMMISSION ACTION ................................................................................................... 6 COMMITTEE & WORKGROUP ORGANIZATION & FUNCTION & MEMBERSHIP ........................................................... 7 Committee Members:........................................................................................................................................... 7 Agency Ad Hoc:................................................................................................................................................... 8 WATER QUALITY MANAGEMENT PLAN GUIDANCE ............................................................................................... -
The Geography of Wildfire
Page 14 ZANE GREY EXPLORER AUGUST 2017 The Geography of Wildfire by Dr. Kevin Blake, Professor Emeritus of Geogrophy Kansas State U niversitY STfrR7- The geography of Wildfire ) 6rytz (1917\ is among the most sig- a, C"n.7on -, N nificant in all of Zane Grey's el Ct ,|r F wrld. western romances. lt weaves t/ l-'lors e _ -o1 I l4\. \' L lAeso together four places that 14,. fK.; por.*lls t) ' 'Pl*tequ) shaped Grey's vision of the West more than any oth- !; P /+) t\ er prior to 1917: Lees Ferry (Grey's fictional name is 1^1 Ko"oL Bostil's Ford), the Grand Canyon, Monument Valley, a ;,t u lo is the I and Wild Horse Mesa. Most importantly, this I menf v 3 €-7* book that launched Monument Valley to worldwide t t{ t:: I fame and thus greatly shaped the image of the Fr rd , ril { American West (Blake, 1995; Harvey, 2OLt). o *T"h;s ;: wh"r. , ln this article, I explain the geography of Wildfire by t 7*e flrc-'| s€'-'s /t ljri\'1 0 9, Aoc,umenf following the chronology of the book from Lees Ferry a-f. in a;tlqli*.;.,;"1- (Y _\i ;* iryated to the Grand Canyon, Monument Valley, and finally \ 2( O, 6Lopr oximale i" .65 mlles +o rlne is a story about a wild rP"wcll I I *si - Wild Horse Mesa. Though this I Piaiedu ? rprileqs*. greatest I horse named Wildfire, and is one of Grey's I I Tui.&1} I oo I a horse stories along with Riders of the Purple Soge 4 J 4. -
The Malay Archipelago
BOOKS & ARTS COMMENT The Malay Archipelago: the land of the orang-utan, and the bird of paradise; a IN RETROSPECT narrative of travel, with studies of man and nature ALFRED RUSSEL WALLACE The Malay Macmillan/Harper Brothers: first published 1869. lfred Russel Wallace was arguably the greatest field biologist of the nine- Archipelago teenth century. He played a leading Apart in the founding of both evolutionary theory and biogeography (see page 162). David Quammen re-enters the ‘Milky Way of He was also, at times, a fine writer. The best land masses’ evoked by Alfred Russel Wallace’s of his literary side is on show in his 1869 classic, The Malay Archipelago, a wondrous masterpiece of biogeography. book of travel and adventure that wears its deeper significance lightly. The Malay Archipelago is the vast chain of islands stretching eastward from Sumatra for more than 6,000 kilometres. Most of it now falls within the sovereignties of Malaysia and Indonesia. In Wallace’s time, it was a world apart, a great Milky Way of land masses and seas and straits, little explored by Europeans, sparsely populated by peoples of diverse cul- tures, and harbouring countless species of unknown plant and animal in dense tropical forests. Some parts, such as the Aru group “Wallace paid of islands, just off the his expenses coast of New Guinea, by selling ERNST MAYR LIB., MUS. COMPARATIVE ZOOLOGY, HARVARD UNIV. HARVARD ZOOLOGY, LIB., MUS. COMPARATIVE MAYR ERNST were almost legend- specimens. So ary for their remote- he collected ness and biological series, not just riches. Wallace’s jour- samples.” neys throughout this region, sometimes by mail packet ship, some- times in a trading vessel or a small outrigger canoe, were driven by a purpose: to collect animal specimens that might help to answer a scientific question. -
The Dark Side of the Ice: Glaciological and Biological Aspects of Supraglacial Debris
UNIVERSITÀ DEGLI STUDI DI MILANO Dottorato di Ricerca in Scienze della Terra Ciclo XXIX The dark side of the ice: Glaciological and biological aspects of supraglacial debris Ph.D. Thesis Roberto Sergio Azzoni Matricola R10479 Tutor Academic Year Coordinator Prof.ssa Guglielmina Diolaiuti 2015/2016 Prof. ssa Elisabetta Erba Co- Tutor Dott. Andrea Zerboni Dott. Roberto Ambrosini Dott. Andrea Franzetti Foreword PART I SUPRAGLACIAL DEBRIS: GLACIOLOGICAL ASPECTS ....................................................... 2 Introduction ............................................................................................................................................ 3 Importance of supraglacial debris in glacier system ............................................................................ 4 Importance of thin, sparse debris and dust in glacier system ............................................................... 5 Aim of this study .................................................................................................................................. 7 References ............................................................................................................................................ 8 Chapter 1 The evolution of debris mantling glaciers in the Stelvio Park (Italian Alps) over the time window 2003-2012 from high-resolution remote-sensing dataAbstract ........................................................ 15 Abstract ................................................................................................................................................