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Table of Content

    15 March 1993, Volume 48 Issue 2 Previous Issue    Next Issue
    THE UNEVEN DEVELOPMENT AND SPATIAL DIFFUSION OF CHINESE CENTRAL CITIES
    Ning Yuemin, Yan Zhongmin
    1993, 48 (2):  97-104.  doi: 10.11821/xb199302001
    Abstract ( )   PDF (528KB) ( )   Save
    The central cities are the political, economic and cultural centers of the country or a re-gion. To make the central cities to play a key role in the national economy is one of the im-portant tasks in Chinese urban economic reform. This paper analyses the uneven development and spatial diffusion of the central cities in China since 1980's.
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    ON THE PRINCIPLE, CONTENTS AND METHODS USED TO COMPILE THE CHINESE GEOMORPHOLOGICAL MAPS TAKING THE 1:4 000 000 CHINESE GEOMORPHOLOGICAL MAP AS AN EXAMPLE
    Chen Zhiming
    1993, 48 (2):  105-113.  doi: 10.11821/xb199302002
    Abstract ( )   PDF (600KB) ( )   Save
    In order to work out a new generation national geomorphological map conforming to the modern geomorphologic theory and the mapping principles and to apply them to the researches and teachings related to national geo-sciences a nd environmental administration, under the sup-port of the related geomorphologic organizations of IGU and in cooperation with nine institu-tions in this country, the autors have succeeded in completing the Geomorphologic Map of China and the Neighbouring Areas (1:4, 000, 000), which will be published formally at home and abroad in 1993. This complete geomorphologic map takes the landforms within the national territory and the neighbouring areas as a single entity and gives expressions specifically to the basic laws of exogenic and endogenic geomorphic geneses and the mophology and its development processes on the basis of morpho tectonic. In morphotectonic classification, we use for the first time the viewpoint of mobility, with the plate tectonic theory as its centre. Based on the new classification concept of "Plate Margins and Intraplates", the continental landforms are divi-ded into two great geomorphologic systems: the plate margin and the intraplate. Their seven sub-systems and nineteen major types are also divided. The submarine landforms are divi- ded into three subsystems and ten major types. In relief form classification, the relief is di-vided into five amplitude classes and seven basic types by using of the new state-built and the computer-aid analyses and by the mapping of the nationwide basis relief form factors. In terms of exogenic landforms. in addition in the traditional Genetic-form types, one attached map de-pitting the ancient and present morphoclimatic zonal differentiations since the Cenozoic Era has been compiled. This map provides the basis nessary for the analysis of the mutual relation- ships between endogenic and exogenic agents.
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    STUDY ON REGIONAL LAND USE DECISION MAKING SUPPORTED BY GIS
    Huang Xingyuan, NiShaoxiang, Xu Shoucheng, Gao Wen
    1993, 48 (2):  114-121.  doi: 10.11821/xb199302003
    Abstract ( )   PDF (979KB) ( )   Save
    Taking Liyang County of Jiangsu Province as an example, this paper deals with the ap-plication of GIS technology in the multi purpose regional land use planning, with its emphasis on the principle and method for regional land use decision making supported by GIS.
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    RELATION OF SOLUTION TO ENVIRONMENT IN KARST AREA—A CASE STUDY OF HONGSHUI RIVER BASIN
    Fang Jingfu, Lin Junshu, Li Juzhang, Zhang Yaoguang
    1993, 48 (2):  122-130.  doi: 10.11821/xb199302004
    Abstract ( )   PDF (559KB) ( )   Save
    Various environment factors affect the solution rate.
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    METHODOLOGY FOR PALEOGEOGRAPHICAL STUDIES AND SPECIFIC CASE STUDIES—A CASE STUDY OF LOESS PROFILE IN LUOCHUAN
    Cheng Weimin, Xie Binggeng, Xiao Ningchuan
    1993, 48 (2):  131-142.  doi: 10.11821/xb199302005
    Abstract ( )   PDF (734KB) ( )   Save
    Contemporary physical geography ha.s been attempting to form a five dimension united dynamic system by combining matter, energy, information and temporal and spatial changes. In this system, the changes of various geographical elements over temporal series constitute geogra-phical processes.
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    THE RELATION BETWEEN BASIC GEOMORPHIC CHARACTERS AND AGRICULTURAL PRODUCTION IN FUJIAN
    Zhao Zhaobing
    1993, 48 (2):  143-151.  doi: 10.11821/xb199302006
    Abstract ( )   PDF (1187KB) ( )   Save
    In this paper, according to the development of agricultural production, five basic geo-morphic characters in Fujian are given. Direct and indirect effects of these characters on ag-ricultural production are analysed. Then, this paper discusses the relation between geomor-phology and agricultural natural hazard and points out that there is a close relationship bet-ween geomorphology and natural hazard such as flood, typhoon, soil and water erosion, hill-slopes slip, and mud-rock flow. This paper suggests that the region with steep slope, heavy rainfall, and black mica granite is the weak agricultural ecological region in Fujian.
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    TEMPERATURE AND ITS CHARACTERISTICS IN GLACIATION AREA
    Kang Xingcheng
    1993, 48 (2):  152-160.  doi: 10.11821/xb199302007
    Abstract ( )   PDF (579KB) ( )   Save
    This paper is based on measured data in the Chongce ice cap area of the West Kunlun Mo-untain. The diurnal variation of air temperature in the glacier and nonglacier areas, its variation in horizontal and vertical directions as well as seasonal variation were revealed. The results show that there are small diurnal range of air temperature and large temperature difference be-tween day and night in the glacier area. In general, the atmosphere is in the superadiabatic stable state in the ice/snow region daring the day.
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    A STUDY ON THE LAND DEGRADATION IN THE NEIGHBO-URING AREAS BETWEEN SHANXI, SHAANXI AND INNER MONGOLIA BY USING REMOTE SENSING METHODS
    Zheng Xingnian, Wang Changyao, Lin Hengzhang, Wane Naibin, Chi Tianhe
    1993, 48 (2):  161-170.  doi: 10.11821/xb199302008
    Abstract ( )   PDF (1043KB) ( )   Save
    Land degradations such as water and soil erosion, desertification, salinization, alkaliza-tion, swamping, loss of the fertility of soil, degradation of caused by wind, water and human influence.
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    SOME PROBLEMS OF HELAN MOUNTAIN CLIMATE
    Xu Zhaozai, Lin Zhiguang, Wang Yizong
    1993, 48 (2):  171-176.  doi: 10.11821/xb199302009
    Abstract ( )   PDF (321KB) ( )   Save
    In this paper, by using the observational data of 11 meteorological stations from the March of 1985 to the March of 1986 in the Helan Mountain areas, the climatic features of Suyukou-Fanjiayingzi cross section in the middle part of Helan Mountain are studied systema-tically.
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    A STUDY ON DRYNESS/WETNESS DISTRIBUTION AND ABRUPT CHANGE IN MID-LOWER REACHES OF THE HUANG HE(YELLOW) RIVER VALLEY
    Yin Xungang, Wu Xiangding
    1993, 48 (2):  177-185.  doi: 10.11821/xb199302010
    Abstract ( )   PDF (497KB) ( )   Save
    In this paper the temporal and spatial distribution of the dryness/wetness changes during the last 500 years in the mid-lower reaches of the Huang he (Yellow) River Valley has been investigated through a few approaches.
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    A PROTOTYPE OF GEOSCIENCE IRA FOR GIS
    Wang Zheng, Xu Shiyuan, Ding Jinghong, He Ying
    1993, 48 (2):  186-188.  doi: 10.11821/xb199302011
    Abstract ( )   PDF (211KB) ( )   Save
    The information requirement of GIS is the key for making GIS, which include data con-text, data formation, and information procession models etc. IRA (Information Requirement Analysis) attempts to find the information to describe information formation and models sys-tem. In this paper, we suggest a method of IR A, which is based on the prototyping designed as shown in Fig. 1. In this prototype, functional need is the center of analysis.
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