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  • Table of Content
       , Volume 15 Issue 2 Previous Issue    Next Issue
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    Technology Application
    THE EXTENSIONAL DIRECTION OF THE NOTHEAST PART OF DEERBUGAN DEEP FAULT; A REMOTE SENSING INTERPRETATION
    DUAN Peng, FANG Hong-bin
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 1-4.   DOI: 10.6046/gtzyyg.2003.02.01
    Abstract   HTML   PDF (1299KB) ( 867 )

    On the basis of 1∶1000000 remote sensing interpretation and local comprehensive interpretation, it is thought that the northeast part of Deerbugan deep fault might branch into two diverging faults near Alongshan of Inner Mongolia. These two diverging faults have identical characteristics, and extend to Russia in NEand NNE-NE direction respectively. They are linked at an acute angle with the south and middle part of Deerbugan fault near Alongshan, forming a prominent Y-type faulted structure framework.

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    A REMOTE SENSING STUDY OF LAND DETERIORATION ALONG THE PERIPHERAL AREAS OF TARIM BASIN
    FANG Hong-bin, ZHANG Zhen-de, ZHANG Pei-min
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 5-10.   DOI: 10.6046/gtzyyg.2003.02.02
    Abstract   HTML   PDF (502KB) ( 1233 )

    On the basis of Landsat MSSof 1970s and ETMimage of 1990s and by means of analysis and comparison as well as field inspection, the authors rapidly extracted the distributive information of four levels of soil desertification along the peripheral areas of Tarim basin. According to the available distributive information of four levels of soil deterioration in two periods, a map showing the gradual change of the extent and limits of soil desertification in the whole region was compiled, which objectively reflects the land deterioration in the past 30a and provides a remote sensing application example for the study of land deterioration in arid and semi-arid areas.

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    THE APPLICATION OF REMOTE SENSING TECHNIQUE TO THE INVESTIGATION OF LARGE-SCALE GEOLOGICAL HAZARDS IN THE THREE GORGES RESERVOIR AREA OF THE YANGTZE RIVER
    ZHANG Zhen-de, HE Yu-hua
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 11-14,26.   DOI: 10.6046/gtzyyg.2003.02.03
    Abstract   HTML   PDF (1069KB) ( 1047 )

    With the Fengjie-Badong section of the Three Gorges reservoir area of the Yangtze River as the study area, the authors, using the remote sensing technique, accurately delineated bodies of collapse, landslide and mud-rock flow. The results gained have laid the foundation for the objective reflection of the harmfulness of geological hazards to the migration engineering and the further work in the whole reservoir area.

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    REMOTE SENSING PROSPECTING MODELS FOR GOLD DEPOSITS ALONG THE BANGONG CO-NUJIANG RIVER PLATE JUNCTURE IN TIBET
    BAI Chao-jun, CHEN Rui-bao, WANG Yue-feng, ZHANG Yu-ming, ZUO Ai-ping
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 15-18.   DOI: 10.6046/gtzyyg.2003.02.04
    Abstract   HTML   PDF (355KB) ( 791 )

    The Bangong Co-Nujiang River Plate Juncture in Tibet has complicated geological structure and favorable metallogenic conditions, and serves as a large potential ore-forming belt of precious metal resources. However, due to very insufficient geological exploration work and low level of metallogenic regularity study, no valuable primary gold deposits have yet been found. Based on a study of placer and primary gold ore spots, geochemical anomalies and placer mineral anomalies in the belt, in combination with an analysis of the ore-control factors, the authors advanced two remote sensing prospecting models for primary gold ore deposits, whose verification led to the discovery of a gold area with great reserves. The alteration rock type and the Mulongtao type recognized by the authors are two most important types of primary gold ore deposits in the belt, which show great potentials in the prospecting for gold deposits.

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    REMOTE SENSING DETECTION OF DYNAMIC VARIATION OF THE SALINE LAND IN THE YELLOW RIVER DELTA
    GUAN Yuan-xiu, LIU Gao-huan
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 19-22,33.   DOI: 10.6046/gtzyyg.2003.02.05
    Abstract   HTML   PDF (388KB) ( 1303 )

    Land salinization is a dynamic phenomenon or process. With the annual and seasonal variation of the groundwater table, the nature, extension, magnitude and spatial distribution of the saline land are changing from time to time. The grasp of the up-to-date and reliable information on the saline land is a prerequisite for land reclamation and regional sustainable development. For the purpose of providing a generalized view of a fairly large area, remote sensing is widely used in saline land survey and dynamic study. Three groups of Landsat data were selected for the study of saline land dynamics during the past 15 years in the Yellow River Delta. Based on repeated field survey and soil sample analysis, an integrated classification method was developed for the extraction of information about saline lands. The study shows that, from 1987 to 2000, the trend of land salinization was rapidly accelerated; light saline land greatly increased; strong saline land gradually decreased; barren saline land increased from 1987 to 1996 and then decreased. The spatial structure of saline land distribution in such 6 types of landforms as terrace uplands, present flood plain, abandoned river courses, embanked former back swamps, isolated depressions and salt marshes & tidal flats in2000 was almost the same as that in1987.

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    THE APPLICATION OF REMOTE SENSING TECHNOLOGY TO THE STUDY AND FORECAST OF TERRESTRIAL HEAT RESOURCES IN SOUTHWESTERN TENGCHONG AREA, YUNNAN PROVINCE
    YANG Bo, WU De-wen, LAI Jian-qing, TANG Pan-ke
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 23-26.   DOI: 10.6046/gtzyyg.2003.02.06
    Abstract   HTML   PDF (2075KB) ( 1062 )

    Based on an analysis of the relevant TMpseudo-color synthetic remote sensing images, the authors interpreted the tectonic phenomena in western Yunnan Province, especially in Tengchong area. Through extracting the information concealed in the TM6 Far Infrared band and then by using the overlapping analysis of the tectonic interpretation and the terrestrial heat anomaly distribution images, the authors found out the regularity governing the distribution of the terrestrial heat spots and put forward the RStectonic image model. On such a basin, an Order-Ianomalous area which consist of 62 water-heat anomalous spots has been delineated.

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    THE APPLICATION OF RS AND GIS TECHNIQUES TO THE INVESTIGATION OF SOIL EROSION IN SONGHUAJIANG-NENJIANG PLAIN
    LIU Yang, LIU Shu-bin, LU Zhong-jun, ZHANG You-zhi
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 27-29,54.   DOI: 10.6046/gtzyyg.2003.02.07
    Abstract   HTML   PDF (273KB) ( 1219 )

    Using TMimagery as remote sensing information source to analyze the coverage of vegetation and employing digital contour as data information source to extract the slope in combination with atmosphere and soil data, one can accomplish the investigation of soil erosion through GISspatial analysis.

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    REMOTE SENSING INVESTIGATION OF THE GOLD MINING AREA IN ZHAOYUAN CITY
    AN Guo-qiang, WU Quan-yuan, GAO Shou-ying
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 30-33.   DOI: 10.6046/gtzyyg.2003.02.08
    Abstract   HTML   PDF (310KB) ( 926 )

    Zhaoyuan City, located in the northwest of Jiaodong peninsula, is one of the economically developed areas in Shandong Province, with gold production making up the most important industry. The exploitation of gold, however, has severely affected the environment, and this problem should be tackled in a comprehensive way. This study is based on RSand field investigation data of the area. The new technology of Remote Sensing (RS) and Geography Information System (GIS) are applied to Geometric Correction of the Image, Image Interpreter of environment information and the construction of the database. This research can provide accurate and detailed data for restoring the natural environment of this area.

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    A DISCUSSION ON THE REMOTE SENSING ANALYSIS OF KARST STONE DESERTIZATION IN GUANGXI
    Yang Chuan-ming
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 34-36,63.   DOI: 10.6046/gtzyyg.2003.02.09
    Abstract   HTML   PDF (310KB) ( 898 )

    This paper deals with the application of the image data of TM7, TM5, TM3 Bands from Landsat-5 to the comprehensive analysis of the distribution and formation conditions of karst stone desertization in Guangxi. In view of the serious karst stone desertization developed in Pingguo and Dahua Counties, the authors used different TMimages in different periods to make comparison, thus finding out the causes responsible for the withering of karst stone desertization. Based on summarizing the regulation of stone desertization, the paper also discusses the division of the intensity of stone desertization.

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    Technology and Methodology
    ESTIMATING OF THE ESSENTIAL ATMOSPHERIC PARAMETERS OF MONO-WINDOW ALGORITHM FOR LAND SURFACE TEMPERATURE RETRIEVAL FROM LANDSAT TM6
    QIN Zhi-hao, LI Wen-juan, ZHANG Ming-hua, Arnon Karnieli, Pedro Berliner
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 37-43.   DOI: 10.6046/gtzyyg.2003.02.10
    Abstract   HTML   PDF (516KB) ( 1832 )
    The thermal band data of Landsat TM (TM6) is highly suitable for analyzing the spatial patterns of the Earth's heat flux variation and surface temperature. Based on the thermal radiance transfer equation and several approximations to its terms, the authors developed a mono-window algorithm for retrieving land surface temperature (LST) from TM6 data. Unlike the conventional atmospheric correction which requires the in situ atmospheric profile data to estimate the atmospheric thermal radiance and absorption, the proposed mono-window algorithm directly involves the impacts of both atmosphere and the emitted ground into its computation, hence avoids the consequence of inaccurate atmospheric radiance estimate. The proposed algorithm requires two essential atmospheric parameters for LSTretrieval; transmittance and atmospheric average temperature. This paper discusses the estimation of the essential atmospheric parameters. Atmospheric effective mean temperature can be estimated using the ground meteorological observation data. Equations also have been constructed for estimation of atmospheric transmittance using the atmospheric water vapor content in the profile. Moderate errors in estimating the two essential atmospheric parameters may cause a bias of about 1.2℃ to the LSTretrieval, which is within the acceptable accuracy of 1.5℃ for most applications.
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    THE METHODS FOR EXTRACTION OF ALTERATION ANOMALIES FROM THE ETM+(TM) DATA AND THEIR APPLICATION; METHOD SELECTION AND TECHNOLOGICAL FLOW CHART
    ZHANG Yu-jun, ZENG Zhao-ming, CHEN Wei
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 44-49.   DOI: 10.6046/gtzyyg.2003.02.11
    Abstract   HTML   PDF (1145KB) ( 1004 )
    This is the second paper among the serial articles on the new parameter for the prediction of the mineral resources; alteration RSanomalies. The RM (Ratio Method),SAM (Spectral Angle Mapper)and PCA (Principle Component Analysis) were compared with each other by the analysis of their principles and by the model test. PCAwas selected as the main method and SAMas the supplementary one. The essential concepts of the error theory were quoted. The standard deviation σ was used as the measure for anomaly slicing. The flow chart "De-interfered Anomalous Principal Component Thresholding Technique" was given. Apractical application example for Qulong-Jiama anomaly group in Tibet was given in comparison with the hyperspectral results.
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    THE EXTRACTION OF MINERAL INFORMATION FROM HYPERSPECTRAL REMOTE SENSING IMAGE
    WAN Yu-qing, YAN Yong-zhong
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 50-54.   DOI: 10.6046/gtzyyg.2003.02.12
    Abstract   HTML   PDF (1255KB) ( 899 )
    Based on an analysis of the reflectance of burnt rocks in the Rujigou coalfield of Ningxia, this paper points out the key factors affecting the reflectance. With regression analysis, a simulation formula was established, which indicated the quantitative relationship between Fe 3+ and reflectivity at certain wavelengths. Then the author took the hyperspectral image of the coalfield as an example to find whether the formula is effective or not in calculating Fe3+ content of burned rocks. The result is satisfactory in that it coincides with the field investigation. It also proves the practicability of the hyperspectral remote sensing technique in mineral resource exploration.
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    SPECTRAL CHARACTERISTICS AND INFORMATION EXTRACTION OF BURNT ROCKS IN COAL FIRE FIELDS
    ZHU Shan-you, HAN Zuo-zhen, ZHANG Guang-chao
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 55-58.   DOI: 10.6046/gtzyyg.2003.02.13
    Abstract   HTML   PDF (360KB) ( 987 )
    Spontaneous combustion of coal constitutes a very serious problem in North China. Practice proves that the application of remote sensing technology can achieve rapid dynamic monitoring of coal fire and provide information for the fire-extinguishing project, thus exhibiting great significance. Burnt rocks as the indicators of coal fire at the earth's surface serve as the most visual information for interpreting coal fire. Based on the reflectance curve characteristics of burnt rocks, the authors compared various methods for extracting the information of burnt rocks, and then determined the best method for this purpose, which can help locate and delineate the coal fire.
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    THE READING OF ASTER DATA FROM FILE AND THE APPLICATION OF ASTER DATA
    ZHU Li-jiang, QIN Qi-ming, CHEN Si-jin
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 59-63.   DOI: 10.6046/gtzyyg.2003.02.14
    Abstract   HTML   PDF (1207KB) ( 1341 )
    ASTERdata are applied to many research fields. This paper first describes the main technical parameters of ASTER, then deals with the reading of ASTERdata from file on the basis of analyzing the file format, and finally discusses the actual application of the ASTERdata.
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    THE DYNAMIC ANALYSIS OF REMOTE SENSING INFORMATION FOR MONITORING THE EXPANSION OF THE SELINCUO LAKE IN TIBET
    YANG Ri-hong, YU Xue-zheng, LI Yu-long
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 64-67.   DOI: 10.6046/gtzyyg.2003.02.15
    Abstract   HTML   PDF (358KB) ( 1132 )
    According to the remote sensing data obtained in 1972,1992 and 1999, it is found that the Selincuo lake has expanded. The area of the lake has expanded from 1707 km2 to 1823 km2. Based on an analysis of such factors as meteorological phenomena, tectonic activity and uplifting of Qinghai-Tibet plateau, this paper explains the reasons for the lake expansion. It seems that the greenhouse effect plays the major role. With the rising of the temperature, the thawing of the glacier and the softening of the frozen earth result in the formation of free water, and then the water flows into the Selincuo Lake, leading to the expansion of the lake.
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    GIS
    COM OBJECTS PROGRAMMING ON CUSTOM SYMBOLS IN MAPOBJECTS
    LIU Wei-hong, LI Wei
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 68-70,74.   DOI: 10.6046/gtzyyg.2003.02.16
    Abstract   HTML   PDF (365KB) ( 707 )

    Component GIS (ComGIS), a new technology based on COM(Component Object Model),is currently a main means in GIStechnology. Recently, this technology has developed so fast that more and more ComGISsoftwares are available in the market. This paper gives a detailed review of ESRI's MapObjects. MapObjects is flexible and open, but can not be symbolized. This paper deals with the technique for symbolization by using Visual C++ and the ComGISsoftware. It is believed that ComGISwill grow into an important branch of Earth System Science. MapObjects is surely to be used widely, and can play an important role in Geographic Information Systems. This study helps to understand the development of core GIS's function by using VCcombined with ComGIS.

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    THE DATA ORGANIZATION PATTERN FOR LANDUSE DYNAMIC REMOTE SENSING MONITORING
    SHUAI Yan-min, BAI Xiang-hua, LIU Su-hong, ZHU Qi-jiang, WANG Pei-juan
    REMOTE SENSING FOR LAND & RESOURCES. 2003, 15 (2): 71-74.   DOI: 10.6046/gtzyyg.2003.02.17
    Abstract   HTML   PDF (1209KB) ( 977 )

    Remote sensing monitoring provides objective and fast spatial-temporal information for dynamic landuse survey. Nevertheless, there exist no effective method and pattern to organize the data available, which holds back the service and application of this method. In this paper, techniques of segmental coding and logical digital saving are applied to organize data. Transformation matrix is used to organize changed information and SVGtechnique is utilized to extract vector path sets. Such data as vectors and attributes are integrated in an open CTGfile.

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