Multi-Scale Digital Terrain Modelling and Analysis
Scale is one of the most important but unsolved issues in various scientific disciplines. This chapter tackles systematically the issues related to scale in terrain modelling and analysis. It starts with some discussions on the notions of scale and multi-
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Qiming Zhou · Brian Lees · Guo-an Tang (Eds.)
Advances in Digital Terrain Analysis
Editors Prof. Qiming Zhou Hong Kong Baptist University Department of Geography Kowlon Tong Kowlooon Hong Kong/PR China [email protected]
Prof. Brian Lees The University of New South Wales at ADFA ACT 2600 Australia [email protected]
Prof. Guo-an Tang Nanjing Normal University Key Laboratory of Virtual Geographic Environment 210046 Nanjing China, People’s Republic [email protected]
ISBN: 978-3-540-77799-1
e-ISBN: 978-3-540-77800-4
Lecture Notes in Geoinformation and Cartography ISSN: 1863-2246 Library of Congress Control Number: 2008921722 c 2008 Springer-Verlag Berlin Heidelberg This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: deblik, Berlin Printed on acid-free paper 9 8 7 6 5 4 3 2 1 springer.com
Preface The chapters in this book mostly started as presentations at the Terrain Analysis and Digital Terrain Modelling conference hosted by Nanjing Normal University in November 2006. As far as I am aware this was the first international conference devoted specifically to this area of research, and since it was also my first visit to China it was an exciting and unique experience for me. The participants ranged from leaders in the field discussing visions and challenges for the future to students grappling with the possibilities and exploring new directions. These papers are a selection of the many presentations at the conference and give some indication of the breadth of research on show at the meeting. Digital terrain analysis has moved beyond a research tool into routine application, such as determination of catchment areas and flow pathways in hydrological analysis, supporting soil mapping through spatial prediction and the definition of landform elements, and the use of slope and other attributes for land capability analysis. But there are still many areas of active research refining these methods or exploring new approaches, as this book shows. One recent development explored in several of the papers in this book is the availability of global or near-global terrain data in several forms, GTOPO-30 and SRTM 3 second data being the most significant. Reliable global topographic data opens the doors for truly global anal
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