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The application of geographic information technology to coastal geomorphology

Acta Oceanologica Sinica 2009年第5期28卷 49-57页

作者： GUO Wei LI Shuheng ZHU Dakui School of Human Settlements and Civil engineering Xi＇an Jiaotong University Xi＇an 710049 China Department of Computer Sciences Xi＇an Jiaotong University Xi＇an 710049 China Department of Urban and resources Sciences Northwest University Xi＇an 710032 China Faculty of environmental Sciences University of Waterloo Waterloo N2L3G1 Canada key laboratory of Coast ＆ Island Development of Ministry of Education Nanjing University Nanjing 210093 China

With the development of modern oceanic observation technologies, coastal survey data have been experiencing a substantial growth. The integration management of the data from different disciplines, different sources and different formats has become a major research field in coastal geomorphology by using Geographic information System （GIS）. This paper puts forward a new methodology framework of GIS techniques in coastal ocean geomorphology, including data acquisition, process, analysis, and representation. It focuses on some major GIS techniques to study the land-ocean interaction mechanism, such as spatial analysis, submarine topography model and three-dimension （3D） visualization, and apply its result to coastal urban planning, harbor site selection and geomorphology environment about coral reef and islands on the continental shelf. The case studies cover the whole coastal ocean to serve the social community, economical development and diplomatic rights for decision-making all round in the coastal zone. The research shows clearly that the application of coastal multi-source geospatial platform has changed the traditional coastal geomorphology science dramatically from its research scope, fields and methods, however, as made clear in this paper, extracting accurate information from remote sensing data and GIS databases for coastal geomorphological applications is a nontrivial challenge that requires the combined knowledge and skills of information scientists and geomorphologists.

关键词： coastal geomorphology geographic information system (GIS) spatial analysis threedimensional visualization

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CLOBAL CHARM OF THE CHANGJIANG RIVER DELTA

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Chinese Geographical Science 2003年第4期13卷 289-299页

作者： CHEN Shu-peng, ZHOU Cheng-hu,CHEN Qiu-xiao(State key laboratory of {2. & environmental information System, Chinese Academy of Sciences,Beijing 100101,P. R. china)

Based on the theory of geo-economy,under the new situation of global economy,information network and china’s entry into WTO,also with the holding of APEC (in 2.01) and the International Exposition in the near future,the Changjiang (Yangtze) River Delta is striding toward the spectacular international multi-polar situation and becomes one of core regions with high-speed development. Facing the ocean and world all along,leading the progressive tides of the age and scintillating the splendor of the nation,she does advance with time. Through a long period of irrigation projects construction and intensive operation of lands in previous agricultural society,the artificial wetland ecosystem with a positive cycle had ever been formed in this region. At present,{2. pollution and urban expansion resulted from post-industrialization are being rectified. The delta will be the paradigm of industrial and agricultural modernization along the sustainable development road. With the rapid development of urbanization,she has been one of the regions with the highest density population and high urbanization level. Taking the Changjiang River estuary and the Hangzhou Bay as two parts,she is continuously strengthening and adjusting her interior structure,expanding mothball space and constructing the oriental modern "logistics center" to link the whole world. The butterfly-style urban system of the Changjiang River Delta is flying,probably engendering earthshaking "butterfly effect".

关键词： delta civilization artificial wetland ecosystem butterfly effect thechangjiang river celta

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Optimal Arithmetic for Hierarchical Cluster and Pattern Recognition Applied in Coal Dust Sensor

Optimal Arithmetic for Hierarchical Cluster and Pattern Reco...

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第二十七届中国控制会议

作者： Ma Fengying 1,2.1.College of Electronic information and Control engineering Shandong Institute of Light Industry,Jinan 2.0100,P.R.{2. 2.State key laboratory of Coal resources and Safe mining,{2. University of mining and technology,Beijing 100083,P.R.{2.

In order to resolve the conflict between coal dust sensor measurement precision and real time demands,an optimal arithmetic for dust pattern hierarchical cluster and pattern recognition was presented according to the dust sample diffraction angular *** coal dust distribution of different mines had marked difference because there was the diversity of geological structure and degree of *** hierarchical cluster method had been successfully applied in the analysis of large numbers of dust *** arithmetic first clustered the coal dust distribution type from the diffraction angular spectrum,and then the hierarchical cluster is performed to get the pattern sequence within the corresponding *** patterns could be recognized easily and rapidly with the principle of minimum variance sum between pattern and dust sample *** proves the maximal recognition speed improves *** on clustering number of transitional patterns was increased reasonably and the errors declined *** indicate the precision achieves 96%.It is concluded that the optimal arithmetic of hierarchical cluster and pattern recognition enhances the precision and real-time capability of the sensor effectively.

关键词： Coal dust Diffraction angular distribution Hierarchical cluster analysis Pattern recognition

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Magnetostratigraphy of the late Cenozoic Laojunmiao anticline in the northern Qilian Mountains and its implications for the northern Tibetan Plateau uplift

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Science china Earth Sciences 2005年第7期 1040-1051页

作者： FANG Xiaomin1,2. ZHAO Zhijun3,2. LI Jijun2. YAN Maodu2. PAN Baotian2. SONG Chunhui2.& DAI Shuang2. 1. Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085, china 2. key {2. of Western china's environmental Systems, Ministry of Education & College of resources and Environment, Lanzhou University, Lanzhou 730000, china 3. College of Geography, Nanjing Normal University, Nanjing 2.0097, china

Cenozoic sediments in the foreland basin——Jiuquan Basin in west Hexi Corridor recorded tectonic uplift information of the Qilian Mountains. High resolution paleomagnetic dating of the Laojunmiao （LJM） section across the central LJM anticline in the southern Jiuquan Basin reveals ages of the Getanggou Member, Niugetao Member in the Shulehe Formation, the Yumen Conglomerate, Jiuquan Conglomerate and Gobi Formation at >13―8.3 Ma, 8.3―4.9 Ma, 3.66― 0.93 Ma, 0.84―0.14 Ma and 0.14―0 Ma, respectively. Sedimentary evolution study suggests that the Qilian Mountains should begin to rise gradually since8―6.6 Ma, accompanied by sedimentary environments changing from lacustrine mudstones-sandstones to alluvial conglom- erates. Rapid uplift of the Qilian Mountains began at3.66 Ma, followed by a series of stepwise or intermittent intensive uplifts at about 2. Ma, 0.93―0.84 Ma and 0.14 Ma, which finally resulted in the present high Qilian Mountains.

关键词： Qilian Mountains Qinghai-Tibetan Plateau Jiuquan Basin magnetostratigraphy.

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Research on Public Participation and information Publicity in Strategic environmental Assessment

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Chinese Journal of Population,resources and Environment 2005年第4期3卷 40-46页

作者： Gao Changbo 1,2. Mo Chuangrong 1, Chen Xingeng 1, Zhang Shixi 1 & Sun Yanjun 1 1.School of environmental Sciences and engineering, Sun Yat-sen University, Guangzhou 5102.5,{2. 2.Guangdong Industry Technical College, Guangzhou 510300,{2. School of environmental Sciences and engineering Sun Yat-sen University Guangzhou 510275 China Guangdong Industry Technical College Guangzhou 510300 China

It has been generally recognized that strategic environmental assessment integrates environment and development into decision-making and becomes an important decision-making tool for implementing sustainable development. This paper firstly introduces the relationships of SEA, public participation(PP)and information publicity(IP),then discusses the {2. parts in enforcing the effective process of PP: They are the methods for how to make sufficient information open (What), when to implement PP (When), who will determinate the public (Who), and how to make the models of PP (How). Six cases are compared and analyzed. At last, ways to improve the effectiveness of PP in china is also presented.

关键词： strategic environmental assessment (SEA) public participation (PP) information publicity (IP) effectiveness

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The surface geochemical exploration of oil and gas in the Gangbatong-Ya'anxiang and the Dongqiao-Nam Co of the Qinghai-Tibet region

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Science china Earth Sciences 2009年第S1期52卷 69-76页

作者： XIONG Bo1,2.LI XianQing3,4,LI YiBin5 & TAN Qing6 1 Department of Geochemistry,Yangtze University,Jingzhou 43402.,china 2.key {2. of Exploration Technologies for Oil and Gas resources(Yangtze University) ,Ministry of Education,Jingzhou 43402.,china 3 State key {2. of Coal resources and Safe mining,china University of mining and technology,Beijing 100083,china 4 Department of resources and Earth Sciences,School of resources and Safety engineering,china University of mining and technology,Beijing 100083,china 5 Institute of Geosciences,Yangtze University,Jingzhou 43402.,china 6 Jinzhou Research Branch of New Region Exploration,Research Institute of Petroleum Exploration and Development,SINOPEC,Jingzhou 434100,china 1. Department of Geochemistry Yangtze University Jingzhou 434023 China 2. key laboratory of Exploration Technologies for Oil and Gas {2. (Yangtze University) Ministry of Education Jingzhou 434023 China 3. State key laboratory of Coal {2. and Safe mining China University of Mining and Technology Beijing 100083 China 4. Department of resources and Earth Sciences School of Resources and Safety Engineering China University of Mining and Technology Beijing 100083 China 5. Institute of Geosciences Yangtze University Jingzhou 434023 China 6. Jinzhou Research Branch of New Region Exploration Research Institute of Petroleum Exploration and Development SINOPEC Jingzhou 434100 China

Due to the complexity of geological background and the adverseness of natural geographical environment in the Qinghai-Tibet Plateau,it is very difficult to carry out petroleum geological study in this region. The Qinghai-Tibet Plateau is the only blank space of petroleum exploration on a large scale. The authors carried out the surface geochemical exploration of oil and gas in the Gangbatong-Ya'anxiang and Dongqiao-Nam Co of the Qinghai-Tibet region. Based on the data of actual detection and experiments in the studied area,the characteristics of concentration and profile distribution of the main geochemical exploration indicators(total adsorbed hydrocarbon,altered carbonate,thermal released mercury,etc.) were discussed. The origin of hydrocarbon was also discussed. Moreover,the oil and gas potential of different sections in the Qiangtang Basin and the Biru Basin were evaluated,which could provide references for the exploration and prediction of oil and gas in this region. The concentrations of total adsorbed hydrocarbons in the Ya'anxiang of Suoxian County-Zadong of Baqing County and the Jiecha-Dangxiong of Anduo County in the Qinghai-Tibet region are high,averaging 312.64 μL·kg-1 and 164.36 μL·kg-1. Their altered carbonate concentrations are relatively low,averaging 0.11% and 0.56%. Their concentrations of thermal released mercury are relatively high,averaging 13.09×10-9 and 1.94×10-9. Geochemical exploration results in fact reflect hydrocarbon information in the underground,which are mainly petroleum associated gas and over-matured cracking gas. The Jiecha-Charenluma and the Xiamaya'ertong-Suoba sections in the Qiangtang Basin are the most favorable ones for oil and gas and the Ekou-Zadong section is relatively favorable one,while the Nam Co and the Zigetangcuo-Dongqiao sections in the Biru Basin are the favorable ones for oil and gas,and the Jiang Co-Nading Co and the Ya'anxiang-Ya'ertong sections are relatively favorable ones.

关键词： geochemical exploration adsorbed hydrocarbon indicator hydrocarbon anomaly evaluation of oil and gas Qinghai-Tibet region

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Interactive Effects of Lead and Bensulfuron-Methyl on Decomposition of ^(14)C-Glucose in Paddy Soils

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Pedosphere 2009年第5期19卷 577-587页

作者： HOU Xian-Wen WU Jian-Jun XU Jian-Ming TANG Cai-Xian Institute of Soil and Water resources and environmental Science Zhejiang Provincial Key Laboratory of SubtropicalSoil and Plant Nutrition Zhejiang University Hangzhou 310029 （China） Institute of environmental and Plant Protection Chinese Academy of Tropical Agricultural Sciences Danzhou 571737（China） Department of Agricultural Sciences La Trobe University Victoria 3086 （Australia）

Little information is available on the interactive effects of inorganic and organic pollutants on carbon utilization by soil *** study examined the effects of two common soil pollutants,lead(Pb) and bensulfuron-methyl herbicide(BSM),on decomposition of an adscititious carbon source(14C-glucose).Two contrasting paddy soils,a silty clay soil and a clay loam soil,were incubated with different concentrations and combinations of pollutants for 60 *** rotatable central composite design was adopted to design the combinations of the pollutant concentrations so that rate response curves could be *** decomposition of 14C-glucose occurred in the first three days for both soils where no Pb or BSM was added(control).Overall,63%-64% of the added 14C-glucose was decomposed in the control over the 60-day *** addition of Pb or BSM significantly decreased the decomposition of 14C-glucose during the first week but increased the decomposition thereafter;as a result,the percentages of 14C-glucose decomposed(57%-77%) over the 60-day period were similar to or higher than those of the *** of the pollutants in combination did not further inhibit decomposition compared with the ***,decomposition rates were lower in the silty clay soil than in the clay loam soil,which was related to the soil texture,cation exchange capacity,and *** relationship between the decomposition rates and the pollutants could be well characterized by the quadratic regression orthogonal rotation *** initial antagonistic effects of the pollutants followed by the synergistic effects on microbial activity might result from changes of the concentrations of the pollutants.

关键词： carbon source compound pollution herbicide microbial activity

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The Statistical Analysis of Migration of Strong Earthquakes─Taking the North china Region as an Example

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Earthquake Research Advances 2004年第2期000卷 77-86页

作者： Qin Chengzhi 1), Zhou Chenghu 1), Pei Tao 1) and Li Quanlin 2. 1)State key laboratory of {2. and environmental information System, Institute of Geographic Sciences and Natural {2. Research, CAS, Beijing 100101, china 2.Institute of Geophysics, CEA, Beijing 100081, china State key laboratory of {2. and environmental information System Institute of Geographic Sciences and Natural Resources Research CAS Beijing 100101 China Institute of Geophysics CEA Beijing 100081 China

The migration of strong earthquakes is an important research topic because the migration phenomena reflect partly the seismic mechanism and involve the prediction of tendency of seismic activity. Research on migration of strong earthquakes has mostly focused on finding the phenomena. Some attempts on getting regularity were comparatively subjective. This paper suggests that there should be indices of migration in earthquake dataset and the indexes should have statistical meaning if there is regularity in the migration of strong earthquakes. In this study, three derivative attributes of migration, i.e., migration orientation, migration distance and migration time interval, were statistically analyzed. Results in the North china region show that the migration of strong earthquakes has statistical meaning. There is a dominant migration orientation (W by S to E by N), a dominant distance (≤100km and on the confines of 300～700km), and a dominant time interval (≤1a and on the confines of 3～4a). The results also show that the migration will differ slightly with different magnitude range or earthquake activity phase.

关键词： Migration of strong earthquakes Statistical analysis The North china region

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Rainfall-induced landslide stability analysis in response to transient pore pressure——A case study of natural terrain landslide in Hong Kong

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Science china(Technological Sciences) 2003年第z1期46卷 52-68页

作者： LAN Hengxing, ZHOU Chenghu C. F. LeeWANG Sijing & WU Faquan State key laboratory of Natural {2. and environmental System, Institute of Geographical Sci-ences and Natural {2. Research, Chinese Academy of Sciences, Beijing 100101, china Department of Civil engineering, Hong Kong University, Hong Kong, china 3. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 10002., china Chinese Acad Sci State Key Lab Nat Resources & Environm Syst Inst Geog Sci & Nat Resources Res Beijing 100101 Peoples R China Univ Hong Kong Dept Civil Engn Hong Kong Hong Kong Peoples R China Chinese Acad Sci Inst Geol & Geophys Beijing 100029 Peoples R China

Transient pore pressure in response to short intense rainfall process plays an important role in shallow landslide occurrence. Using GIS technology, we carry out the rainfall-induced landslide stability analysis in response to transient pore pressure by means of transient and unsaturated rainfall infiltration modeling. A case study is performed on the shallow landslide stability analysis in Hong Kong. Detailed analysis and discussion reached some useful conclusions on the tempo-spatial behavior and characteristics of slope stability response and pore pressure response to typical rainfall process. Comparison analysis is performed on some important issues including landslide stability response in different types of slopes with different hydraulic properties, antecedent rainfall and landslide stability, and the nature of pore pressure response time. These studies might give us an important insight into landslide tringgering mechanism and the hydrological process in response to rainfall, and provide systematic information and evidences for effective risk assessment and warning system establishment.

关键词： rainfall-induced landslide, transient pore pressure, landslide stability in response to rainfall, GIS.

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Estimation of regional evapotranspiration over Northwest china using remote sensing

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Journal of Geographical Sciences 2001年第2期11卷 140-148页

作者： CHEN Yun-hao, LI Xiao-bing, SHI Pei-jun (Institute of resources Science, Beijing Normal University, key {2. of environmental Change and Natural Disaster, Ministry of Education of china, Beijing 100875, china) Institute of resources Science Beijing Normal University Key Laboratory of Environmental Change and Natural Disaster Ministry of Education of China

It is a very complicated problem to estimate evapotranspiration (ET) over a large area of land surface. In this paper, the evapotranspiration estimation models for dense vegetation and bare soil are presented, based on the information of parameters like vegetation cover-degree and surface albedo. Combined with vegetation cover-degree data, a model for regional evapotranspiration estimation over the heterogeneous landscape is derived. Through a case study using remote sensing data over Northwest china, the accuracy of the model for regional evapotranspiration estimation is checked. The result shows that the accuracy of the model is satisfactory. The features of evapotranspiration over Northwest china are also discussed with the application of the model.

关键词： evapotranspiration remote sensing vegetation cover-degree Northwest china

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