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  • 1
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (10 Seiten, 147,97 KB)
    Language: German
    Note: Engl. Berichtsbl. u.d.T.: Variability and trends in water balance components of benchmark drainage basins on the Tibetan plateau. Work package 6: Glacier remote sensing , Förderkennzeichen BMBF 03G0804F , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Systemvoraussetzungen: Acrobat reader.
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  • 2
    Online Resource
    Online Resource
    Dresden : TU, Fak. Forst-, Geo-, Hydrowissenschaften, FB Geowissenschaften, Inst. für Kartographie
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource (15 S., 173 KB)
    Language: German
    Note: Förderkennzeichen BMBF 50 QM 0101. - Engl. Berichtsbl. u.d.T.: Development and application of methods for the tree-dimensional visualisation of the Martian surface using HRSC-Data , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.
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  • 3
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Geographic information systems. ; Electronic books.
    Description / Table of Contents: Mass movements of terrain, including cliff collapses and landslides, can be disastrous. This volume shows how the latest developments in geoinformation technology, including data modeling and remote sensing, can help to predict movement in advance.
    Type of Medium: Online Resource
    Pages: 1 online resource (403 pages)
    Edition: 1st ed.
    ISBN: 9783642254956
    DDC: 551.307
    Language: English
    Note: Intro -- Terrigenous MassMovements -- Preface -- Contents -- 1 An Automated Approach for Detection of Shallow Landslides from LiDAR Derived DEM Using Geomorphological Indicators in a Tropical Forest -- Abstract -- 1.1…Introduction -- 1.2…Study Area -- 1.3…Geomorphological Features and Landslides -- 1.4…The Parameter: Slope Curvature -- 1.5…Data Used -- 1.6…LiDAR Processing Steps -- 1.6.1 Potential Landslide Zone Classification -- 1.6.2 Surface Roughness Index -- 1.6.3 Vegetation Index -- 1.6.4 Breaklines -- 1.6.5 Landslide Probability Index -- 1.6.6 Implementation -- 1.7…Results and Discussion -- 1.8…Conclusions and Perspective -- Acknowledgments -- References -- 2 Landslide Susceptibility Mapping Using a Spatial Multi Criteria Evaluation Model at Haraz Watershed, Iran -- Abstract -- 2.1…Introduction -- 2.2…Study Area -- 2.3…Methodology -- 2.4…Construction of Spatial Database -- 2.4.1 Landslide Inventory Map -- 2.4.2 Slope -- 2.4.3 Aspect -- 2.4.4 Altitude -- 2.4.5 Plan Curvature -- 2.4.6 Lithology -- 2.4.7 Land Use -- 2.4.8 Distance from Rivers -- 2.4.9 Distance from Roads -- 2.4.10 Distance from Faults -- 2.4.11 Topographic Wetness Index (TWI) -- 2.4.12 Stream Power Index (SPI) -- 2.4.13 Stream Transport Index (STI) -- 2.5…Landslide Susceptibility Mapping -- 2.6…Validation of the Landslide Susceptibility Map -- 2.7…Concluding Remarks -- References -- 3 Soft Computing Modeling in Landslide Susceptibility Assessment -- Abstract -- 3.1…Introduction -- 3.2…General Concepts -- 3.2.1 Landslide Susceptibility -- 3.2.2 Landslide Hazard -- 3.2.3 Landslide Risk -- 3.3…Fuzzy Modeling and Relations -- 3.3.1 Basic Fuzzy Concepts -- 3.3.2 Fuzzy Relations -- 3.3.3 Fuzzy Inference Systems -- 3.3.3.1 Mamdani Fuzzy Model -- 3.3.3.2 Sugeno Fuzzy Model -- 3.3.3.3 Tsukamoto Fuzzy Model -- 3.3.4 Landslide Susceptibility Applications of Fuzzy Approach. , 3.4…Artificial Neural Networks (ANN) -- 3.4.1 Understanding Biological Neural Networks and ANN Relation -- 3.4.2 Understanding ANN principles -- 3.4.3 Perceptron -- 3.4.4 ANN Types and Terminology -- 3.4.5 Back Propagation Neural Network (BPNN) -- 3.4.5.1 Feed Forward Processes of the BPNN -- 3.4.5.2 Calculation of error -- 3.4.5.3 Back Propagation Processes of the BPNN -- 3.4.6 Constructing an ANN -- 3.4.7 Use of Artificial Neural Networks in Susceptibility Assessments -- 3.5…Further Recommendations -- References -- 4 Application and Verification of Fractal Approach to Landslide Susceptibility Mapping -- Abstract -- 4.1…Introduction -- 4.2…Study Area -- 4.3…Description of Methodology -- 4.4…Application and Validation of Fractal Statistics to Landslide Susceptibility Mapping -- 4.4.1 Landslide Susceptibility Mapping -- 4.4.2 Verification of the Landslide Susceptibility Maps -- 4.5…Discussion -- 4.6…Conclusions -- Acknowledgments -- References -- 5 Preliminary Slope Mass Movement Susceptibility Mapping Using DEM and LiDAR DEM -- Abstract -- 5.1…Introduction -- 5.2…Problem Identification/Conceptual Background -- 5.3…Review of Literature -- 5.4…Study Area/Experimental Site -- 5.4.1 Vaud County -- 5.4.2 Bagnes Valley -- 5.5…Data and Tools -- 5.5.1 Data -- 5.5.2 Tools -- 5.5.2.1 HISTOFIT -- 5.5.2.2 CONEFALL -- 5.5.2.3 RAS -- 5.5.2.4 FLOW-R -- Source Area Identification -- Spreading Area Assessment -- Results -- 5.6…Methodology -- 5.6.1 Landslide Inventory and Susceptibility -- 5.6.1.1 Method -- 5.6.2 Shallow Landslides -- 5.6.2.1 Methodology -- 5.6.2.2 Application of the SINMAP Model -- 5.6.3 Debris Flows -- 5.6.3.1 Introduction -- 5.6.3.2 Source Areas Identification -- 5.6.3.3 Spreading Area Assessment -- 5.6.4 Rockfall -- 5.6.4.1 Identification of Potential Rockfall Source Areas -- 5.6.4.2 GDMU Interpretation. , 5.6.4.3 Assessment of the Maximum Runout Length -- 5.6.5 Snow Avalanches -- 5.6.5.1 Source Areas Identification -- 5.6.5.2 Propagation Zones Assessment -- RAS (Alpha--Beta Methodology) -- FLOW-R -- 5.6.5.3 Avalanche Susceptibility Mapping -- 5.6.6 Flooding and Erosion -- 5.6.6.1 GIS Analysis -- 5.6.6.2 Field Work -- 5.6.6.3 FLOW-R Modelling -- 5.6.6.4 Calculation of Maximum Discharge -- 5.6.6.5 Record of Alluvial Traces -- 5.6.6.6 Classes and Scenarios -- 5.7…Results -- 5.7.1 Landslide Inventory Map -- 5.7.1.1 County of Vaud -- 5.7.1.2 Valley of Bagnes -- 5.7.2 Susceptibility Map of Shallow Landslides -- 5.7.2.1 Vaud County -- 5.7.2.2 Bagnes Valley -- 5.7.3 Debris Flows -- 5.7.3.1 Vaud County -- Source Areas Identification -- Spreading Area Assessment -- 5.7.3.2 Bagnes Valley -- Source Areas Detection -- Propagation Area Assessment -- Detection and Propagation: Example of the Merdenson -- 5.7.4 Rockfall Susceptibility Map -- 5.7.4.1 Vaud Territory -- 5.7.4.2 Bagnes Territory -- 5.7.5 Snow Avalanches -- 5.7.5.1 Bagnes Valley -- Source Ares Identification -- Spreading Area Assessment -- Detection and Spreading, Example of the Folorsi -- 5.7.6 Flooding -- 5.7.6.1 Bagnes Territory -- 5.8…Discussion -- 5.8.1 Landslide Inventory Maps and Shallow Landslides -- 5.8.2 Debris Flows -- 5.8.3 Rockfall -- 5.8.4 Snow Avalanches -- 5.8.5 Floods in Bagnes Territory -- 5.9…Conclusion -- 5.10…Summary/Futuristic Vision -- Acknowledgments -- References -- 6 Application of GIS and RS for Mapping Landslides at the Watershed Level -- Abstract -- 6.1…Introduction -- 6.2…Problem Identification/Conceptual Background -- 6.3…Review of Literature -- 6.4…Tools/Materials -- 6.5…Methodology -- 6.5.1 Pre-Processing -- 6.5.1.1 Object Height Model -- 6.5.1.2 Roughness -- 6.5.1.3 Slope -- 6.5.1.4 Greenness -- 6.5.2 Global Landslide Detection -- 6.5.3 Local Landslide Detection. , 6.5.3.1 Landslide Polygon Editing -- 6.5.3.2 Magic Wand -- 6.5.3.3 3D Painter or Eraser -- 6.6…Results -- 6.6.1 Landslide Detection and Editing -- 6.6.1.1 Global Landslides Detection -- 6.6.1.2 Local Landslides Detection -- 6.6.2 Error Analysis -- 6.7…Discussion -- 6.8…Conclusions -- Acknowledgments -- References -- 7 Ensemble-Based Landslide Susceptibility Maps in Jinbu Area, Korea -- Abstract -- 7.1…Introduction -- 7.2…Study Area -- 7.3…Ensemble Method for Integration -- 7.4…Spatial Database -- 7.5…Landslide Susceptibility Mapping Using Various Models -- 7.6…Ensemble-Based Landslide Susceptibility Mapping -- 7.7…Validation -- 7.8…Discussion and Conclusions -- Acknowledgments -- References -- 8 Geoinformatics and Mass Movements: A Study on Li-shan Landslide, Taiwan -- Abstract -- 8.1…Introduction -- 8.1.1 Li-Shan Landslide -- 8.2…Methodology -- 8.2.1 Basis and Improvements -- 8.2.2 Three-Dimensional Elevation Model -- 8.2.3 Stability Analysis -- 8.2.4 Probabilistic Risk Evaluation -- 8.3…Results and Discussion -- 8.4…Conclusions -- Acknowledgments -- References -- 9 Landslide Inventory, Hazard and Risk Assessment in India -- Abstract -- 9.1…Introduction -- 9.2…Study Areas -- 9.3…Landslide Inventory Mapping -- 9.3.1 Collecting Historical Landslide Information -- 9.3.2 Mapping Landslides from Multi-Temporal Images -- 9.3.3 Automatic Landslide Mapping from Satellite Images -- 9.4…Landslide Hazard Assessment Approaches -- 9.4.1 Direct Hazard Estimation Along Transportation Routes -- 9.4.2 Rock Failure Modeling Using Gis -- 9.4.3 Multivariate Statistical Analysis -- 9.4.4 Physical modeling of landslide initiation and runout -- 9.4.5 The Models -- 9.4.6 The Data -- 9.4.7 The Results -- 9.5…Risk Assessment -- 9.6…Conclusions -- References -- 10 Vision-Based Terrestrial Surface Monitoring -- Abstract -- 10.1…Introduction and Scope -- 10.2…Sensing Techniques. , 10.2.1 Sensors -- 10.2.1.1 Terrestrial Laser Scanner -- 10.2.1.2 Image-Based Tacheometers -- 10.2.2 Data Acquisition Strategies -- 10.2.2.1 Sensor Control -- 10.2.2.2 Sensor Orientation -- 10.2.2.3 Data Handling -- 10.2.3 Data Evaluation -- 10.2.3.1 Surface Reconstruction -- 10.2.3.2 Manual Data Exploitation by Visualization -- 10.2.3.3 Temporal Surface Comparison -- 10.2.3.4 Point Tracking -- 10.2.3.5 Deformation Monitoring -- 10.3…Monitoring Frameworks -- 10.3.1 Geoscanner -- 10.3.2 Site Monitor -- 10.3.3 i-MeaS -- 10.3.3.1 System Layout -- 10.3.3.2 System Verification -- 10.3.3.3 i-MeaS Prospects -- 10.4…Applications -- 10.4.1 Introduction -- 10.4.2 Permafrost -- 10.4.2.1 Hinteres Langtalkar Rock Glacier -- 10.4.3 Glaciers -- 10.4.3.1 Pasterze Glacier -- 10.4.3.2 Göszlignitzkees Glacier -- 10.4.4 Snow -- 10.4.4.1 Monitoring for Snow Avalanche Prediction -- 10.4.4.2 The St. Anton Campaign: Touristic Visualization of Arlberg Snow Cover -- 10.4.5 Disaster Monitoring Application Case Studies -- 10.4.5.1 Schwaz -- 10.4.5.2 Gries -- 10.4.6 Geo-Risk Monitoring Case Studies and Systems -- 10.5…Conclusions and Prospects -- Acknowledgments -- References -- 11 LaSIRF: Landslide Safe Intelligent Route Finder for Mountainous Terrain in GIS Environment -- Abstract -- 11.1…Introduction -- 11.2…Methodology -- 11.2.1 Generation of Thematic Cost Map -- 11.2.2 Selection of Connected Neighbours -- 11.2.3 Computation of Neighbourhood Movement Cost (NM-cost) -- 11.2.4 Selection of Least-Cost Route -- 11.3…Description of the Software -- 11.4…Working Examples to Demonstrate Implementation of the Software -- 11.4.1 Efficiency of the Software -- 11.4.2 Working Examples -- 11.4.2.1 Working Example 1 -- 11.4.2.2 Working Example 2 -- 11.5…Summary and Conclusions -- References -- 12 Identification of Potentially Dangerous Glacial Lakes in the Northern Tian Shan -- Abstract. , 12.1…Introduction.
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  • 4
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Cartography -- Methodology. ; Geography -- Philosophy. ; Electronic books.
    Description / Table of Contents: This book examines the trends, concepts and directions in cartography and mapping in modernism and post-modernism. It explores philosophical and epistemological issues in cartography from positivist-empiricist, neo-positivist and post-structuralist stances.
    Type of Medium: Online Resource
    Pages: 1 online resource (165 pages)
    Edition: 1st ed.
    ISBN: 9783642388934
    DDC: 526
    Language: English
    Note: Intro -- Preface -- Contents -- Introduction -- 1 Philosophy, Epistemology, and Cartography -- 1.1…Introduction -- 1.2…Philosophy and Epistemology: Some Scopes -- 1.3…Cartography and Knowledge of the World: Philosophical and Epistemological Implications -- 1.4…Different 'Isms' and Their Repercussions in Cartography and Mapping -- 1.4.1 Positivism and Empiricism -- 1.4.2 Logical Positivism or Neo-Positivism -- 1.4.3 Geography and Cartography in View of Logical Positivism -- 1.5…Postmodernism and Poststructuralism -- 1.5.1 Postmodernism and Cartography -- 1.5.2 Mental Map Generation Through Map Reading: Against Ubiquitous Geoinformation -- 2 A Philosophical Framework Applied to Cartography -- 2.1…Introduction -- 2.2…Immanuel Kant -- 2.2.1 No Epistemology Without him: Kant's Role for Spatial Sciences -- 2.2.2 Kant's Philosophy: An Epistemological Frame for Geography and Cartography -- 2.3…Ludwig Wittgenstein -- 2.3.1 Wittgenstein's Early Work ''Tractatus logico-philosophicus'' -- 2.3.2 Wittgenstein's Late Work ''Philosophical Investigations'' -- 2.4…Karl Popper -- 2.4.1 Popper's Three Worlds Theory and Cartography -- 2.4.2 Three-Worlds Model of Popper and Multisensory Cartography -- 3 Paradigms in the History of Science -- 3.1…Introduction -- 3.2…Kuhn's Paradigm Shift -- 3.3…Paradigms in Geography -- 4 Tendencies in Contemporary Cartography -- 4.1…Introduction -- 4.2…Traditional and Modern Components in Theoretical Cartography -- 4.2.1 Cartographic Language, Modelling, and Communication -- 4.2.2 Geo-Spatial Data Manipulation, Processing and Visualisation -- 4.3…Cartographic Research Paradigm and Research Focus -- 4.3.1 Map: Image, Model, Social Construction -- 4.4…Paradigms in Cartography: Cartographic Research and the Internet -- 4.4.1 Cartographic Communication Model -- 4.4.2 Analytical Cartography -- 4.4.3 Maps and the Internet. , 4.4.4 Trust in Map Information -- 4.5…Cartographic Representation and Visualisation -- 4.6…Cybercartography Paradigm -- 4.7…Paradigm Changes in Cartography -- 4.8…Cartographic Trends and Paradigms Since 1950 -- 4.9…Further Tendencies -- 4.9.1 VR Cartography -- 4.9.2 KIS: Cartographic Information System---a (Short) Episode (?) -- 4.9.3 Cartography and Visualistics -- 4.9.4 ''Living Cartography'': Technology-Driven Versus Design-Driven Cartography -- 5 Critical Cartography in the Context of Post-Modernism -- 5.1…Introduction -- 5.2…Humanities and Cartography -- 5.3…Towards a Postmodern Cartography -- 5.4…Critical Cartography -- 5.4.1 Critical Cartography and its New Practices -- 5.5…Cartography as Social Construction -- 5.5.1 Deconstruction and Cartographic Text -- 5.5.2 Power and Maps -- 5.6…Neo-Cartography: A Concretion Towards the Map as Social Construction -- 5.7…Mapping vs Cartography -- 5.8…Personal GIS -- 5.9…Geocomposition -- 6 Post-representational Cartography -- 6.1…Introduction -- 6.2…What is Post-representational Cartography? -- 6.3…Transition Towards a Post-representational Cartography -- 6.3.1 Maps as Historical Products: Horizon of Possibilities -- 6.3.2 Maps as Locus of Semiosis: Self-Reference of the Map -- 6.3.3 Maps as Propositions: Perimap and Epimap -- 6.3.4 Maps as Immutable Mobiles: Stable Form of Knowledge -- 6.3.5 Maps as Actants: Social Context of the Map -- 6.3.6 Mapping as Image Rhetorics -- 6.4…Foundations for a Post-representational Cartography -- 6.4.1 Maps as Inscriptions: Social Life Affected by Maps -- 6.4.2 Maps as Practices: a State of Becoming -- 7 Possibilities of Paradigms in Cartography -- 7.1…Introduction -- 7.2…Criteria of Contrast -- 7.3…Contrasting Paradigms in Geography: An Example -- 7.4…Comparing Tendencies in Cartography within the Epistemological Space. , 7.5…New and not so New Epistemological Crises in Cartography -- 7.6…Autostereoscopic True-3D Cartography: Another New Paradigm -- 8 Scopes of Paradigms in Cartography -- 8.1…Introduction -- 8.2…Paradigmatic Tendencies as in Other Sciences (Geography) -- 8.2.1 Proposed Paradigm Tendencies in Cartography -- 8.2.2 Distinction Between Scientific-Empirical and Critical Approaches -- 8.2.3 Transition from the Scientific Paradigm to the Critical Paradigm -- 8.2.4 Post-Representational Cartography: A Paradigmatic Proposal -- 8.3…Paradigms in Cartography: An Epistemological Review -- 8.3.1 Returning to Kuhn -- 8.3.2 On the Scope of Cartographic Paradigms -- 9 Conclusions -- 9.1…Insights -- 9.2…Achievements -- 9.3…Suggested Advancements -- References.
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  • 5
    Keywords: Earth sciences--Albania--Remote sensing--Congresses. ; Electronic books.
    Description / Table of Contents: Proceedings of the NATO Advanced Research Workshop on Remote Sensing for Environmental Data in Albania: A Strategy for Integrated Management, 6-10 October 1999.
    Type of Medium: Online Resource
    Pages: 1 online resource (243 pages)
    Edition: 1st ed.
    ISBN: 9789401143578
    Series Statement: NATO Science Partnership Subseries: 2 Series ; v.72
    DDC: 363.7/02/094965
    Language: English
    Note: Remote Sensing for Environmental Data in Albania: A Strategy for Integrated Management -- Editor's page -- Copyright -- TABLE OF CONTENTS -- PREFACE -- ACKNOWLEDGEMENTS -- OPENING ADDRESS BY DR. ALFRED MOISIU, PRESIDENT OF THE ALBANIAN ATLANTIC ASSOCIATION -- OPENING ADDRESS BY DR. MYSLYM PASHA, DIRECTOR OF THE ALBANIAN MILITARY TOPOGRAPHIC INSTITUTE -- OPENING ADDRESS BY PROF. DR. ERGJIN SAMIMI, ALB-EURO CONSULTING TIRANA, WORKSHOP CO-DIRECTOR -- ENVIRONMENTAL PROBLEMS OF ALBANIA -- AVAILABILITY OF CURRENT SPACEBORNE EARTH OBSERVATION DATA -- MAPPING FROM SPACE -- WWW INFORMATION SERVICES FOR EARTH OBSERVATION AND ENVIRONMENTAL INFORMATION -- MAP MAKING WITH REMOTE SENSING DATA -- LAND COVER - LAND USE MAPPING WITHIN THE EUROPEAN CORINE PROGRAMME -- COMPUTER-ASSISTED LARGE AREA LAND USE CLASSIFICATIONS WITH OPTICAL REMOTE SENSING -- EXPERIENCES WITH THE IMPLEMENTATION OF GIS AND REMOTE SENSING IN THE CZECH FOREST MANAGEMENT -- RESOURCE ASSESSMENTS AND LAND DEGRADATION MONITORING WITH EARTH OBSERVATION SATELLITES -- COASTAL ZONE GEOMORPHOLOGICAL MAPPING USING LANDSAT TM IMAGERY: AN APPLICATION IN CENTRAL ALBANIA -- SNOW RUNOFF MODELS USING REMOTELY SENSED DATA -- GIS AND SPATIAL DATABASES FOR LAND MINE MAPPING -- INFRASTRUCTURE REQUIREMENTS FOR NON-MOTORISED TRANSPORT -- POTENTIALS AND LIMITATIONS OF TECHNOLOGY TRANSFER IN THE DEVELOPMENT CO-OPERATION, SHOWN FOR THE TRANSFER OF INFORMATION TECHNOLOGY -- MANIFESTO OF TIRANA - RESOLUTION OF NATO REMOTE SENSING & -- GIS WORKSHOP 1999 -- LIST OF SPEAKERS -- APPENDIX -- SUBJECT INDEX.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 73 (1984), S. 399-418 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract By means of computer programs the major geological units of Austria (fig. 1) are studied and characterized concerning their fracture patterns interpreted fromLandsat data. Some additional remarks on the evaluation of lineaments, on their spatial distribution (fig. 1–3) and on the tectonic development of the study area are given.
    Abstract: Résumé A l'aide de calculatrices, les grandes unités géologiques de l'Autriche (Fig. 1) sont étudiées et caractérisées quant à leurs systèmes de fracture interprétés à partir de donnéesLandsat. Quelques remarques concernant l'interprétation des linéaments, leur distribution spatiale (Fig. 1–3) ainsi que le dévloppement téctonique de la région examinée son présentés.
    Notes: Zusammenfassung Mit Hilfe von Computerprogrammen werden die geologischen Großeinheiten Österreichs (Abb. 1) in bezug auf ihre ausLandsat-Daten erfaßten Störungsmuster untersucht und charakterisiert. Weiters werden einige Bemerkungen zur Auswertung der Lineamente, zu deren räumlicher Verteilung (Abb. 1–3) sowie zur strukturellen Entwicklung des untersuchten Raumes gemacht.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    GeoJournal 24 (1991), S. 93-101 
    ISSN: 1572-9893
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract Precise geometric description of river sediment trails in the sea may assist in a better understanding of the complex processes happening in this type of environment. By means of stereo restitution of a Space Shuttle Large Format Camera photo pair it could be shown that a three-dimensional survey of the margins of individual sediment trails is possible. It turns out, however, that the positioning of the measuring mark is not always easy, and that this type of plotting needs a well-experienced operator. The bathymetric information obtained is brought in relation to sedimentological aspects.
    Type of Medium: Electronic Resource
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  • 8
    Publication Date: 2019-07-17
    Description: The International Bathymetric Chart of the Southern Ocean (IBCSO) is a regional mapping project of the General Bathymetric Chart of the Ocean (GEBCO) operated under guidance of the UNESCO Intergovernmental Oceanographic Commission (IOC) and the International Hydrographic Organization (IHO). Moreover, IBCSO is established as an expert group of the Scientific Committee on Antarctic Research (SCAR) and its production is located at the Alfred Wegener Institute for Polar and Marine Research (AWI) in Bremerhaven, Germany. The objective of IBCSO was to create a first seamless Digital Bathymetric Model (DBM) covering the entire Southern Ocean. After the creation of the DBM two different maps have been produced based on the bathymetric model in collaboration with the Institute for Cartography of the TU Dresden. One version was designed to provide the scientific community with a new up to date ‘classic’ map of Antarctica. The second is envisaged to achieve largest possible outreach effect in the public by using the lenticular method. This method enables the beholder of the map to see the topography of the DBM in three dimensions without the necessity of auxiliary objects. The two different map versions of the IBCSO will be presented. The introduction includes a rough description of the working steps from ocean soundings to a combined digital bathymetric/topographic model. Furthermore, the steps to create the ‘classic’ and the lenticular map are described in detail.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 9
    Publication Date: 2021-10-15
    Description: Despite facilitating transport by low-volume roads for multiple purposes, these roads also open corridors to the remote pristine forests and accelerate forest dynamics with deleterious consequences to the forest functionalities and indigenous inhabitants. We assessed the spatial variations of Hyrcanian forest loss, fragmentation, and degradation resulting from the expansion of rural, logging, and mine roads between 1966 and 2016 in northeast Iran. Various data were employed to generate a precise road network; the density of road segments was weighted on the basis of their carrying capacity during 1966–1986, 1986–2000, and 2000–2016. Three dimensions of forest changes were retrieved using the Landsat time-series and object-based image analysis. The spatial patterns of high rates of forest changes were clustered using spatial autocorrelation indicators. The spatial regression models were carried out to explore relationships between forest change and road expansion. The results showed that rural roads were upgraded but forest and mine roads remarkably expanded in recent decades. The spatial variations of forest-dynamic patterns have been changing from forest loss (1966–2000) to forest fragmentation and degradation (1986–2016). The high density of rural roads was significant on the high rates of forest loss and fragmentation during 1966–2000, and the expansion of forest and mine roads significantly intensified the rates of fragmentation and degradation during 1986–2016. Our findings suggest for mitigating destructive schemes over Hyrcanian forests, developing either protected areas or joining unprotected forests to the reserved areas should be prioritized.
    Keywords: 333.7 ; forest changes ; low-volume roads ; OBIA ; spatial indicators ; spatial models ; time series
    Language: English
    Type: map
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