最新刊期
      卷 ， 期 3 ， 1994
      • Sheng Yongwei,Xiao Qianguang,Chen Weiying State Satellite Meteorological Center of China)
        Issue 3, (1994) DOI: 10.11834/jrs.1994031
        摘要：Since late spring of 1991,weather had become abnormal in Huaihe riverbasin,During the period from May to July,it universally fell heavy rain and tor-rential rain in this region. Hit by rainstorm continually,some local areas sufferedan exceptionallv serious flood disaster in the century.This paper emphasizes in des-cribing the method of monitoring this flood disaster using cloud-free imagery invisible and near infrared channels obtained by scanning radiometer on board FY-1Bpolar meteorological satellite. Firstly,the capability of monitoring flood with FY-1B/VHRSR（Very HighResolution Scanning Radiometer）was studied,especially,the spectral responses inchannels of VHRSR of waterbodies in different conditions,The result shows thatCH2 can be used to identify the boundary between water and land,CH1 correspondsto water turbidity,and CH3 and CH4 can be used in water depth analysis.In accordance with the characteristics of VHRSR channels,several schemes forinformation enhancement were designed to estimate water depth and water turbidity,and also to identify waterbodies more effectively.Flood area was accurately calcu-lated on an image processirig system by statistics and classification method interac-tively. The result shows that FY-1B data has potential in monitoring large area flooddisaster.  
        关键词：FY-1B satellite;Flood disaster;Monitoring   
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      • Yang Jingen
        Issue 3, (1994) DOI: 10.11834/jrs.1994029
        摘要：The hue anomaly for oil and gas are controled together by the geomor-phic and Quaternary sediment, vegetable and the condition of oil and gas content.The interpret for the hue anomaly is either with the majortrand or with the poly-semy.The formation for the hue anomaly is related to the condition of drainingwater in the varied earth surface shape and the microseepage of the hydrocarbon andits assoiated compositions.The agreement rate that are interpreted for remote sensinghue anomaly of western Song-Liao basin slope may amount to 83% for oil andgas,63% for the indication of oil and gas,and 76% for water.The image distinc-tion model of trap structure for oil and gas that are made up line,ring and hueanomaly,it may improve on interpretative precision for oil and gas and water,andreduce the polysemy for oil and gas remote sensing forecast.  
        关键词：Hue;Image interpret model;Ring structure   
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      • Issue 3, (1994) DOI: 10.11834/jrs.1994027
        摘要：Based on the fractal relation between the superficial area and volume,a new method called the SAVR Method is derived for 3-D surfaces.The compara-tive studies and experiments show the new method behaves well both in the esti-mating accuracy of fractal dimension and the characteristics of limit scales by testingthe synthesized the fractal images with the known dimensions.Especially,the SAVRmethod could obtain the stable estimates of intensity surfaces with varing the diffe-rent resolutions.At the last,we proposed a kind of texture feature measures basedon the SAVR directional fractal dimension for texture analysis,and the experimentsin boundary detection of texture image are also present.  
        关键词：Fractal;Fractal dimension;Texture analysis   
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      • Wang Zhizhuo
        Issue 3, (1994) DOI: 10.11834/jrs.1994022
        摘要：This article consists of three parts.In the first part,the aim of theglobal change observations is narated in brief and the development is then depicted,beginning from the earliest meteorological satellite and then the Landsat and someother relevant satellites from different countries.Emphasis is placed on the use ofmicro wave sensors.Finaly some international activities for global change observa-tions are depicted and the Earth Observation System（EOS）project in America isintroduced.In the second part,some happenings and policy changes due to thehuge financial budget for satellite launching in America are narated.In the thirdpart,the contributions and the tasks ahead in China for the research works of globalchange are discussed.  
        关键词：Global change observations;synthetic aperture radar;EOS;Global environmental monitoring;Polar orbiting platform   
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      • Cui Chengyu
        Issue 3, (1994) DOI: 10.11834/jrs.1994024
        摘要：he paper describes the physical significance of thermal inertia and itsrole in geological remote sensing.Parameters related to thermal physical propertieshave been measured for 23 types of rocks,including thermal conductivity,densityand thermal capacity.Based on this measurement,thermal inertia values and thermaldiffusion coefficients of rocks are calculated and presented in the tables.The primaryregularity that thermal inertia decreases from sedimentary,metamorphic to magma-tic rocks is discussed.Thermal inertia differences between sedimentery rocks,suchas carbonate rocks and sandstone,and sedimentary epimetamorphic rocks are obta-ined,and easy to be discriminated.Meanwhile,thermal inertia differences betweenmid-acidic and alkaline rocks are small and difficult to be distinguished.  
        关键词：Thermal inertia;Thermal inertia of rocks;Thermal inertia mapping;Rock discrimination   
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      • Issue 3, (1994) DOI: 10.11834/jrs.1994028
        摘要：This paper deals with three problems in data processing for land reso-urce inventory in the area of Three Gorges of Yangtze River.（1）In order to dothe geometric correction of the satellite image which covers two Gauss-Kruger Pro-jection Belts,we divide the image into two subareas,and introduce an easv but ef-fective method to identify the ranges of the two subareas.（2）In order to deal withsever“different spectrum within a same ground feature”problem,we divide one fea-ture into several small ones according to three kinds of factors including the diffe-rence between opaco and adret,the crop seasonal appearance and the cover degreeof vegetation.（3）We apply the geographic control system to the correction of someerrors which are cause by the“different ground feature with same spectrum”,inorder to raise the accuracy of mapping.  
          
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      • Issue 3, (1994) DOI: 10.11834/jrs.1994032
        摘要：Urban population decides the scale of urban,and the structure and dis-tribution of urban population are the principal factors for considering in urbandeveloping and planning.This paper discusses the establishement of a spatialdatabase of land resource by using the GIS software of ARC /INFO. The inputingdata are obtained from the landuse map surveyed with aerial remote sensing imagesin Shanghai.As an application of the database,we develop a model of estimatingpopulation density which related to reside land area. By means of linear regressionmethod,the model is getting best salve of population density to various kinds ofresidential land types. This paper also discusses some problems in building up the model using landresource database and provides concrete solving methods in the example of PutuoDistrict,Shanghai.The result in the example is satisfied.  
        关键词：Estimating population density;GIS applied model;linear regression analysis   
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      • Tian Guoliang
        Issue 3, (1994) DOI: 10.11834/jrs.1994023
        摘要：This paper is a systematic summary for the aim and content of funda-mental research of remote sensing and its importance for optimum selection of thesensors channels,information extraction,quantitative analysis and future developmentof remote sensing application.  
        关键词：remote sensing;Fundamental research;Application   
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      • Issue 3, (1994) DOI: 10.11834/jrs.1994025
        摘要：Changchun Jingyuetan Remote Sensing Test Site of Chinese Academy ofSciences is an opening experiment research site of remote sensing.For doing highquality space-borne quantitative remote sensing,we have to do atmospheric correc-tion. For doing this,the understanding of atmospheric optical characteristic over thesite is necessary.In this paper,the spectral extinction and the size distribution ofaerosol are derived and retreived from the data of solar direct spectral radiance ob-servation in 1990（volcanic quiet period）and 1991（volcanic active period）.Owingto these two years related to the different volcanic activities（quiet and active）,the results would provide a foundamental basis of atmospheric correction of remotesensing over that area,also they would be representative of the mid-latitude regionof Northern hemisphere.  
        关键词：aerosols;Atmospheric extinction;Atmospheric correction   
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      • Ping Zhongliang
        Issue 3, (1994) DOI: 10.11834/jrs.1994030
        摘要：The vortex structures were observed in the west of Jiaodong area,Shan-dong Province on the Landsat image. The vortex structure consist of a nuclear co-lumn,a group of vortical surfaces and rock slices between the vortical surface.The mathematical model of the vortex structure was established.The stress analysiswas made. The relationship between the gold ore deposits and the vortex structureswas established.The research indicates that the good ore deposits is always locatedin the vortex structures.The gold ore deposit formed by hydrothermal alterationand replacement of faulting tectonoclastic rocks are almost located in the vorticalsurfaces between the rock slices.The gold ore deposits formed by hydrothermal al-teration and fill of fissures of rock slices are almost located in the tension joints（faults）and the fold of the rock slices.  
          
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      • Issue 3, (1994) DOI: 10.11834/jrs.1994026
        摘要：In this research,we presented the following results:The range of solaraltitude angle leading to the water body planar mirror reflection; The world-widetime table suitable for watea remote sensing.This research is a guarantee for theoptimum implementations of remote sensing for water and other planes,with directscientific and economic significance.  
        关键词：Water body;Mirror reflection;The world-wide time table   
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