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    15 July 1979, Volume 34 Issue 3 Previous Issue    Next Issue
    THIRTY YEARS IN INTEGRATED PHYSICAL GEOGRAPHY IN PEOPLE'S REPUBLIC OF CHINA
    Zhao Songqiao, Chen Chuankang, Niu Wenyuan
    1979, 34 (3):  187-199.  doi: 10.11821/xb197903001
    Abstract ( )   PDF (1045KB) ( )   Save
    Since the founding of People's Republic of China in 1949, research works in in-iegreted physical geography have made good progress. The present article tries to identify and evaluate major academic contributions during these thirty years in three areas, namely, regionalization of physical geography, classification of land types, and researches in physical geographical regions.
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    THIRTY YEARS OF CHEMICAL GEOGRAPHY IN THE PEOPLE'S REPUBLIC OF CHINA
    Liu Peitong, Tang Yongluan, Zhang Shen,Chen Jingsheng, Tan Jianan, Wang Huadong
    1979, 34 (3):  200-212.  doi: 10.11821/xb197903002
    Abstract ( )   PDF (901KB) ( )   Save
    Since liberation in 1949, we have started our research works in chemical geogra-phy. The present article tries to make a review of major contributions to chemical geography during these thirty years. They are outlined in three parts: (1) a brief history of development of chemical geography; (2) progress in theoretical and appli-ed chemical geography; (3) an outlook.
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    THIRTY YEARS IN LIMNOLOGY IN PEOPLE'S REPUBLIC OF CHINA
    Shi Chengxi
    1979, 34 (3):  213-223.  doi: 10.11821/xb197903003
    Abstract ( )   PDF (867KB) ( )   Save
    This paper describes the advances in limnology since liberation. In respect of comprehensive survey, lakes in middle and lower reaches of the Chang Jiang basin, in Yunnan province and in other places have been studied. In respect of hydrology and meteorology, water budget, evaporation from water surface, coefficient of heat exchange, lake currents and wind waves have been studied. In respect of geomorpho-logy, origin and evolution, physical and chemical porperties of sedimentation of some lakes as well as silt problem of reservoirs have been investigated. In respect of hy-drochemistry, chemical components of some lakes are analyzed, annual variation of dissolved gases, salinities, pH values and biogenetical elements have also been inves-tigated. In respect of protection of water quality, contaminated conditions of some lakes, water quality predicting methods and self-purification power of water bodies have been researched. In respect of hydrobiology, resources of living creatures and plants in lakes and reservoirs, biological characteristics of fishes and productivity of water bodies are discussed.Finally, future prospects for limnology in China are briefly discussed.
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    THE BASIC FEATURES OF CHINESE FLORA
    Wang Hosheng
    1979, 34 (3):  224-237.  doi: 10.11821/xb197903004
    Abstract ( )   PDF (938KB) ( )   Save
    Flora concerns with the plants in total of a definite area, and is the integration of floro-genesis, plant evolution and historical georgraphical changes.
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    SOME CHARACTERISTICS OF CLIMATIC FLUCTUATIONS IN CHINA SINCE 16TH CENTURY
    Zhang Peiyuan, Gong Gaofa
    1979, 34 (3):  238-247.  doi: 10.11821/xb197903005
    Abstract ( )   PDF (463KB) ( )   Save
    Based on evidences from Chinese historical documents, the number of severe winters per decade is accounted. During last 400 years, not only the cold years, but also the tracks of cold air masses, were arranged into groups.
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    LOCATIONAL PATTERNS OF GROUPING FIRMS IN INBUST RIAL DISTRICT AND THEIR TECHNO-ECONOMIC EFFECT
    Lu Dadao
    1979, 34 (3):  248-264.  doi: 10.11821/xb197903006
    Abstract ( )   PDF (1148KB) ( )   Save
    Locations of grouping firms in urban industrial district means rational agglo-meration in particular space of several firms which are connected with one another in supply of raw material, fuel, subsidiary material and semi-product, or with close technical linkage, or located together simply aiming at full use of regional infras-tructure. It comes from the objective need of modern industry production with its corresponding form of organization and attaining considerable economic effect.
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    THE DISCOVERY OF THE FOSSIL HYDROGRAPHIC NET OF SONGHUA JIANG IN THE THREE-RIVER PLAIN
    Qiu Shanwen, Sun Guangyou, Li Weidong, Yuan Changyou
    1979, 34 (3):  265-274.  doi: 10.11821/xb197903007
    Abstract ( )   PDF (652KB) ( )   Save
    The obvious and well preserved fossil hydrographic net of Songhua Jiang in the Wurhuli hilly district of the Three-River plain shows that the Songhua Jiang once flowed near Pujin southeastward through the Naoli River into the Wusuli Jiang during middle Pleistocene. From Bpipleistocene to early Holocene epoch, due to uplifting of Neotectonic movement in the Fujin-Erlongshan area, the Songhua Jiang drainage sys-tem underwent an adjustment, it flowed northeastward into the Heilongziang near Jiejinkou.
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