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  • 2001 Volume 3 Issue 2
    Published: 25 June 2001
      
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  • ARTICLES
    Again Understand the Achievements of Before Qin Geography──On Discussing the Last Big Fault in the Development Geographical history of China
    Sun Guanlong
    2001, 3(2): 8-14.
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    Nowadays both internal and external geographical history circles doesn't deeply understand the achievements of Before Qin geography in China.This paper think that the achievements of Before Qin geography is fairly splendid.It is the age of origin of Chinese geographical works.And it is also the period of Chinese ancient geography becoming a sort of knowledge.Before Qin geography had a good tradition of inspecting the nature and research the nature.From Qin-Han dynisty on,Chinese ancient geography have lost this good tradition,and paid more attention on textual research of yange geography and recording the social history and the social condition.These little by little formed Chinese tradition geography on main part of the study of classics geography and the study of history geography and the study of yange geography.This is a big fault in the development geographical history of China,between Before Qin and Qin-Han.This fault directly affected the achievements of the Chines ancient geography,and resulted the Chinese ancient geography in not developing to modern geography.
  • ARTICLES
    Develop the "New World" of Travel in West China-Commemorat e the 360th Anniversary of Xu Xiake's Death
    Chen Shupeng
    2001, 3(2): 15-18.
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    This article systematically and summarily analyzes Xu Xiake's scientific idea and specially discusses Xu's travel concept, his exploratory travel, scientific discoveries, and so on. Therefore, author bring forward the idea of developing the "New World" of travel in West China.
  • ARTICLES
    Analysis of Strategy Tupu for Development in West China
    Li Baolin, Zhou Chenghu, Chen Shupeng, Zhang Baiping, Jin Fengjun, Cheng Weiming
    2001, 3(2): 19-24.
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    In this paper the authors annylizees the five maps in Srategy Tupu for Development in West China. From the fields such as Environmental Population Capacity, Environmental Population Capacity, Environmental Population Capacity, Vertical Structure of Physical Environment and Urbanization and economic development, conduct a qualitative and quantitative evaluation of the present situation and future development potential of West China based on the generalized directions presented in Geo-informatic Tupu theory from both natural and economic points of view on a macro scale, as well as providing some basis for carrying out sustainable development strategies, protecting the ecological environment and returning cultivated lands to forest and grassland. Try to probe into the Based Geo-informatic and we hope to predigest the graphic expression of complex systems and provide graphically, the results of our spatial analysis and resolution methods that are both clear at a glance and multi-scaled, in addition to providing an information service for West China's modernization.
  • ARTICLES
    Application Research of Using Graphics Software in Compilation and Publication of Thematic Maps
    Wang Daxin
    2001, 3(2): 25-28.
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    The popularizing and spreading Computer-Aided Cartography (CAC) and the electronic publication system change radically the traditional technology for producing maps. With the practice of cartography linked, this article discusses the adaptation, systematic conditions, and technology flow of using graphics software in complication and publication of thematic maps. Some experience and several items needing attention are concluded.
  • ARTICLES
    Design of the Space Image Atlas about the View of Hong Kong and Computer Cartography
    Qian Jinkai
    2001, 3(2): 29-33.
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    The Space Image Atlas about the View of Hong Kong is a regional synthetic atlas. We believe the keystone of the design and compilation of regional and synthetic atlas in the Information Age should be the deep-process of resource information by using the RS technology, GIS, computer cartography, electronic plate-making, and four-color-pressing technology. In this way, more applied information production about regional sustainable development can be provided to the decision-making departments in government.
  • ARTICLES
    Design and Development of the Electronic Cartography Module about the Series of Traval in Beijing in the Window of China - Series of Atlas
    Fu Qiaomei
    2001, 3(2): 34-37.
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    This article discusses the design and the development of the electronic cartography module about the Series of Traval in Beijing in the Window of China - Series of Atlas. Author introduces summarily functions and charicteristics of the six modules and brings forward the development trend of the travel information system.
  • ARTICLES
    The Informationlization and Localization in the Realm of the Resource and Environment
    Chen Shupeng
    2001, 3(2): 37-40.
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    In this paper, the deep research problems in the realm of resource and environment was emphatically discussed, and the point that using Informationlization to promote modernization was presented. The schematic analysis on the stratagem of Geo-information science and digital earth was also given.
  • ARTICLES
    A New Definition for the Geographical Information Science──A Brilliant Exposition by Prof. M. F. Goodchild
    Liu Miaolong, Wang Peibei, Yang Bing
    2001, 3(2): 41-46.
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    Based on a lot of research reports and papers offered by Prof. M. F. Goodchild and his colleagues, which is an achievement of the Varenius Project supported by the US National Science Foundation to advance Geographical Information Science, this paper introduces some new expositions and developments about a few key issues in the Geographical Information Science made by the professors mentioned above using a special mode of the geographical philosophical thinking. The aims of the paper are to help Chinese scholars to understand and trace the new developments in the Geographical Information Science, and provide some lessons for trans-century researches in the Geographical Information Science in China.
  • ARTICLES
    Study on the Approach of building data objects for Enterprise GIS Based on Three-tiered Achitecture
    Chen Lu Guonian
    2001, 3(2): 48-52.
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    The development of the technology in network and distributed computing makes the information system turning to the enterprise application from the desktop. Large numbers of users, huge datum, flexible business procedure and high request of extensibility and security have been the features of enterprise application, and all these features make the design of system architecture become the critical of success of a system building. This paper introduces the development of system architecture, the virtue of the system architecture based on 3tiered and the necessity of building data object. After analyzing the particularity of GIS data source, we give an approach and the principle of building data objects to fit for the requests of enterprise GIS.
  • ARTICLES
    The Verification and Mechanism of Prediction on the Continued Torrential Rains in Yangtze River in 1998, Used the Copuling of Theinternal and External Factors
    Ren Zhenqiu
    2001, 3(2): 53-59.
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    The causes and prediction of the torrential rains is still a well-known challenge in the world today. But used the coupling method of internal and external factors, we have accurately predicted five ones of the whole 6 ones which is the continued heavy rainstorms or torrential rains in the Yangtze River during 1998. For example, at most desperate juncture of fight a flood in the Yangtze River, on August 11 we forecasted that on August 11 and from August 13 to 15 there would be continuous heavy rainstorms from the east of Sichuan Province to the west of Hubei Province, and on August 19 to 20 would be continuous torrential rains in Sichuan Basin. They all were proved to be true. The coupling principle of internal and external factors of the torrential rains is that: the torrential rain is a complex system of nonlinear and sudden changed, it needs be processed as open system. Our research indicate that the torrential rain must be the based on synoptic situation of rainstorm, and coupled with the nonlinear gravitational effect and its decompression of tide-generating force resonance(TGFR) at the time of lunar strange position. Neither can be neglected. The mechanism both of them is that: the decompression of TGFR impose on a abnormal promoted force, reinforced the rising motion of the rainstorm area, rising the speed up release of condensational latent heat, forming the mesoscale system, and through much time positive feedback, bring about strong release of condensational latent heat, thus creates the torrential rains. Owing to the TGFR strongly depends on the happened time of lunar strange position, namely it is instantaneous and sudden changed, thus we are not surprised that the torrential rains frequently belong to sudden changed and nonlinear phenomenon.
  • ARTICLES
    Evaluation on Land Fertility and Computation of Cultivated Land Potential ProductivityIllustrated by the example of Changqing county
    Hou Xiyong, Sun Xihua
    2001, 3(2): 60-65.
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    In this article , illustrated by the example of Changqing , a county of Jinan city , Shandong province, land fertility and cultivated land potential productivity are carefully studied . At first, multiple factors influencing land fertility are expounded , and the GIS and RS based synthetically evaluation is discussed .Then using the mechanism methodology and computing models ,five kinds of cultivated land potential productivity are computed and the results are precisely expressed as grid map that the size of it's single grid unit is 900 square meters.
  • ARTICLES
    The Philosophic Thinking on the Large Exploitation in West of China
    Li Peichen, Zhang Lin, Duan Lianhe
    2001, 3(2): 66-71.
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    In this paper, the important recognition and decision problems in the large exploitation in west of China are discussed using philosophic thinking. We aimed to revoke the struggling spirits, and base the large exploitation mainly on ourselves.
  • ARTICLES
    The Application of the High and New Technology in the Applicable Research on Subway Projects
    Dai Wenhan, Wei Qing, Dai Lei
    2001, 3(2): 72-76.
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    In this paper, the applicable research and application on subway projects with high and new technology: 3S etc is discussed, and the validity of this technical method is proved.
  • ARTICLES
    Recent research progress On China's climate
    Guo Yufu
    2001, 3(2): 77-79.
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    In this paper, some of China's climate research projects and their achievements in the '95' period are present.