GEOGRAPHIC

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Regional difference and influencing factors of the green development level in the urban agglomeration in the middle reaches of the Yangtze River被引量：2
《Science China Earth Sciences》2022年第8期1449-1462,共14页Lei ZOU Huiyuan LIU Feiyu WANG Ting CHEN Yi DONG 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDA23040304);the National Natural Science Foundation of China(Grant Nos.41890822&42101043)。
The urban agglomeration in the middle reaches of the Yangtze River(UAMRYR)is a key area to promote the central region rise and the green development of the Yangtze River Economic Belt.In this paper,an evaluation index...
关键词：Green development Regional difference Impact factor Entropy weight-TOPSIS Geographic detector UAMRYR 
Long-term mercury variations in tree rings of the permafrost forest,northeastern China
《Science China Earth Sciences》2022年第7期1328-1338,共11页Huhu KANG Xiaohong LIU Junming GUO Qiuliang ZHANG Yabo WANG Jie HUANG Guobao XU Guoju WU Wensen GE Shichang KANG 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDA20040501);the National Natural Science Foundation of China(Grant Nos.41971104 and 41571196);the Fundamental Research Funds for the Central Universities(Grant No.GK202107009);the State Key Laboratory of Cryospheric Science(Grant No.SKLCS2020-09);Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences。
Permafrost is a potential mercury(Hg)pool released by thawing,which can raise the risk of Hg pollution under global warming.Tree rings are useful archives of environment-specific Hg exposure over long periods.We deter...
关键词：Tree rings MERCURY Long-term variations LARCH PINE Geographic environment Permafrost forest 
Information geography: The information revolution reshapes geography被引量：4
《Science China Earth Sciences》2022年第2期379-382,共4页Xin LI Donghai ZHENG Min FENG Fahu CHEN 
The information revolution has been one of the driving forces to the innovation in geography. However, environmental remote sensing, geographic information science and technology, and geocomputing, which once resided ...
关键词：Information geography GEOGRAPHY Information revolution METHODOLOGY Geographic paradigm 
Information geography: A new fulcrum of geographic ternary world被引量：7
《Science China Earth Sciences》2022年第2期383-386,共4页Guonian LÜ Linwang YUAN Zhaoyuan YU 
This work was supported by the National Natural Science Foundation for Distinguished Young Scholar(Grant No.41625004);the National Natural Science Foundation of China(Grant No.41930648);the National Key Research and Development Plan(Grant No.2017YFB0503500).
The development trend of ternary space requires the construction of the information space for information mapping,transmission and transformation of geographic elements and social-human elements. Relevant researches o...
关键词：Information geography Ternary space Seven geographic elements Seven social-human elements 
Geographic modeling and simulation systems for geographic research in the new era: Some thoughts on their development and construction被引量：8
《Science China Earth Sciences》2021年第8期1207-1223,共17页Min CHEN Guonian LV Chenghu ZHOU Hui LIN Zaiyang MA Songshan YUE Yongning WEN Fengyuan ZHANG Jin WANG Zhiyi ZHU Kai XU Yuanqing HE 
supported by the National Natural Science Foundation of China(Grant Nos.41930648,41622108&U1811464).
Regionality,comprehensiveness,and complexity are regarded as the basic characteristics of geography.The exploration of their core connotations is an essential way to achieve breakthroughs in geography in the new era.T...
关键词：Geographic characteristics Development of geography Regionality COMPREHENSIVENESS COMPLEXITY Geographic modeling and simulation 
Improvement of ecological geographic regionalization based on remote sensing and canonical correspondence analysis： A case study in China被引量：4
《Science China Earth Sciences》2016年第9期1745-1753,共9页JIN JiaXin WANG Ying JIANG Hong KONG Yan LU XueHe ZHANG XiuYing 
Financial support for the study was provided by the China Postdoctoral Science Foundation (Grant No. 2015M570431);the Jiangsu Provincial Natural Science Foundation of China (Grant No. BK20150579);the State High Technology Funds of China (Grant No. 2009AA122001)
Ecological geographic regions, also called eco-regions, can be used to divide a remotely sensed image, which is helpful for reducing the complexity of land cover types within eco-regions and for improving the classifi...
关键词：Ecological geographic regionalization Remote sensing Canonical correspondence analysis k-means clustering Land cover 
Geographic analysis-oriented Virtual Geographic Environment:Framework,structure and functions被引量：21
《Science China Earth Sciences》2011年第5期733-743,共11页LU GuoNian 
supported by Key Project of National Natural Science Foundation of China (Grant No. 40730527)
Previous research on the Virtual Geographic Environment （VGE） has focused mainly on representation rather than geographic analysis. However, geographic analysis plays a significant role in modem geography. To addres...
关键词：VGE data environment modeling environment expression environment collaborative environment 
Jurassic sedimentary features and tectonic settings of southeastern China被引量：17
《Science China Earth Sciences》2009年第12期1969-1978,共10页SHU LiangShu WANG Yan SHA JinGeng JIANG ShaoYong YU JinHai WANG YanBin 
Supported by the National Natural Science Foundation of China (Grant Nos. 40634022, 40972132 and 40632010);the State Key Laboratory for Mineral Deposits Research (Nanjing University) (Grant No. 2008-I-01)
Two types of the Jurassic basins are distinguished in SE China based on their geodynamic features: the Late Triassic-Early Jurassic post-orogenic basins and the Middle Jurassic intra-continental extensional basins. Th...
关键词：sedimentary features paleo-geographic framework tectonic transformation SHRIMP U-Pb dating JURASSIC southeastern 
Simulation of the spread of infectious diseases in a geographical environment被引量：1
《Science China Earth Sciences》2009年第4期550-561,共12页ZHONG ShaoBo HUANG QuanYi SONG DunJiang 
Supported by Postdoctoral Foundation of China (Grant No. 20070410552);Youth Fund of Institute of Policy and Management (IPM), the Chinese Academy of Sci-ences (Grant No. O700481Q01)
The study of mathematical models for the spread of infectious diseases is an important issue in epidemiology. Given the fact that most existing models cannot comprehensively depict heterogeneities (e.g., the populatio...
关键词：CELLULAR AUTOMATA INFECTIOUS disease modeling GEOGRAPHIC information systems spatial weighting function 
Thresholds of geographic environmental elements in sediment yield of drainage basins被引量：6
《Science China Earth Sciences》2005年第2期230-240,共11页CHEN Hao, ZHOU Jinxing, CAI Qiangguo, LU Zhongchen & LI Zhongyan Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China Institute of Forestry Science, Chinese Academy of Forestry Science, Beijing 100091, China Research Center for Eco-Environment Sciences, Chinese Academy of Sciences, Beijing 100085, China Computing Institute of Science and Engineering, North China Electric Power University, Beijing 102206, China 
supported by the State Key Basic Research Development Project(Grant No.1999043604);the National Natuural Science F oundation of China(Grant No.40471085);the Joint Proj ect of the National Natural Science Foundation of China;the Yellow River Water Conservancy Committee(50239080).
Threshold of environmental elements in drainage basin sediment yield refers to, under effect of climate, underlying surface and human activity, a turning point of abrupt changes in drainage sediment yield related to e...
关键词：MIDDLE YELLOW River  ENVIRONMENTAL element  sediment  SEDIMENT delivery mudule  threshold. 
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