The paper uses color infrared remote sensing and field investigation technology to interpret linear structure and fault system in three gorges dam and explains the feature of the fault structure. From these analyses, it concludes that: there are mainly four groups fault in the area, that is : NWW group, SN-NNE group, NW-NWW group and NE-NEE group. NNW group is the best developed among them, NE-NEE group is the second developed, SN-NNE group is the third developed, NW-NWW group is the weakest developed. Through statistic method, the paper counts the linear structures length, quantity, fault cross point numbers in net unit and analyses the regular of the fault distribution in this area and their effect to rock quality and dam base stability. In addition to these, the paper also discusses the environment such as tempreture, pressure when the fault formed and formation history through using the feature of mineral fluid inclusion.
This paper mainly introduces the contents and results of engineering geology interpretation of Dachaoshan to Kunming 500 KV electric wire engineer. Then it analyses the feature of the engineering geology interpretation in electric wire engineer. At the same time, the effect and economic profit are also discussed.
The middle part of Chuanzang Highway, nearly 900 km 2, is located in southeast border of Tibetan plateau in which there was heavy crust movement during the geological history, especially in Quaternary, and there are rough landscape and weather. So the geological hazard are popular in forms and scopes. In order to investigate the distribution of the hazard along the highway, a project of aerial color infrared photography was made by CRSG in the beginning of 90’s. The image interpretation of geology had done with the photos. The characteristics and shape of landslides, rockfalls and mud flows, and etc. was analyzed and a proposals were promoted for protection of geological hazards.
This paper applies multi-time and multi-spectrum land satellite image of North China to research the types, time and space feature of the tectonic activity information, which reflected by electro magnetic ware radiation in pregnancy process of Tang Shan earthquake (7.8M) in 1976. At the same time, it researches the nature of the tectonic activity information, formating mechanism and its meaning.
This paper, by using multi-temperal remote sensing images, investigates the types, erosion (or collapse) status and stability of the bank zone along the Yangtze river within Anhui province. The results of the investigation offer a scientific basis for rational planning and utlization of bank zone.
The traditional geological disaster survey relies on field reconnaissance with a lot of manpower and expenditure. In the project of “Remote sensing for land resources in Anhui Province”, author uses TM images and tape data to survey the geological disaster for the first time. This method not only extends the limitation of field reconnaissance, but also is more suitable for studying lager scale surface disaster. With which, the quantitative and qualitative study can be used in the geological disaster, so its type, scale and extent can be surveied objectively, accurately and quickly. The result of survey can be utilized to analyze the causes of disaster and how it develops. Also it can be used to make disaster zoning, predict vulnerable area and offer scientific proof for disaster preparedness and relief.
The authors studied the evolution rules of geological structure by analysis of the structures of the Northern section of Zhongtiaoshan from remote sensing image, then built the model of the structure and analysed its time and spatical character. In the end, the authors predicted the favourable mineralizing region by means of multivariate statistical analysis combined with the characteristics of stressfield, structure controlling deposits of typical ore district.
The Sanjiang plain areas covers a vast territory with high nutrient soil and it abounds in natural resources and it is one of the main grain producers of China. There were many wasteland has been cultivated in this areas during the past ten years. This article describes the results of remote sensing monitor by using Landsat TM images as well as the change of the Landuse and its affection to ecological environment.
In China investigating cities pollution degree mainly relyed on the method of common monitor and aero remote sensing investigation carried by environmental department. How quickly to investigate the widely spread on environmental pollution and the ecological environment is our recently subjects. This paper introduces how to use satellite remote sensing technology combined with aero remote sensing and common monitor data to investigate and study acide falling in Sichuan Province. It provides a new way for using remote sensing technology in enviomental investigation and monitor, and there is an important significant to environmental remote sensing development.
This paper is about the application of airborne and astronautics remote sensing technology to comprehensive investigation of geological disaster, mineral resources and tourism resources in main regions of Hainan island. We have systematically analyzed the forming condition and development trend of geological disaster and produced comprehensive region planning map of geological disaster of Hainan island, studied the distribution law of metal deposits, the sand and stone deposits in important area, predicted favorable ore-forming area and target area. We have also comprehensively analyzed current state of the distribution of Hainan tourism resources and potential problems in Hainan development and construction, and made Hainan satellite image map for tourism planning. The attained result provided important basic data for Hainan resources development and environment protection.
Following China’s opening and reform, the economy of Shaoxing City has been developed and expanded quickly. How the trend of the city expending and how the land developing and utilizing present situation are basis of laying out the landuse plan as well as doing land management and development.For this reason, the city land bureau launched remote sensing monitor work, which used TM image as basic information sources.
Hainan island lies in the tropics and the subtropics, it belongs to the area of the monsoon climate. The paper uses the remote sensing technique to systematically research Hainan island land desertification and its law. By interpreting TM image and some aero color infrared photo, the paper gives us the land desertification distribution area, it has the feature that the desertification is worst in west and light in east, and the farther away from the sea, the lighter it is. In order to enhance the useful imformation, some methods of image processing were used. At the same time, the reason and development trend of Hainan island land desertification is discussed and the cure method is also put forword in this paper.
Using air SAR and TM integrated image, the paper analyzes the environment and the condition for uranium deposits forming in the East of Zhungeer area, then, it discusses the geological background, the uranium resource condition, the relationship between uranium mineralization and oxido-reducing belt in the Gobi Desert and points the good condition for deposits forming. At the same time, the paper predicts the prospective aera of uranium deposits and selects out the major bed for mining.
Nanxiang basin is a Mesozonic and Cenozonic Era deposit basin which contains oil and gas, its formation and evolution has close relation to faults activity. Through 1:20 000 satellite TM image, three kinds of linear constructions are interpreted in this region, relationship between basin foundational construction and regional construction is clear, the pictures about Basin construction sketch and fault density are compiled. These data are important base for gas and oil forecast. The author applies theory of changing field retrieval to simulate the force way of the sunken and believes that mantle uplift caused by fault activity is one of important factors of the sunken formation.
The paper introduces the foundational structure sketch of Yellow River alluvial fan area and analyses the form of neotectonic movement of each section of the river and development feature of each river course. At the same time, it analyses the effect of the Yellow River course section character on the control and guide engineeing . Finally, the paper analyses the situation of proventing flood in the lower reaches of the river under the medium and special big flood condition.
On the base of the plate tectonic theory, the middle-lower reach of Yeerqianghe River is prospect area for gold, copper and polymetallic mineralization. Because landform is very complex and transportation condition is seriously bad in this area, the study of exploration geology had not been carried out in detail. For this reason, we have analyzed mineralization condition on the base of TM image feature, extracted a lot of useful information which related to mineralization through processing for Landsat TM data and predicted gold, copper and polymetallic mineralization belt.
The different types of rocks can be distinguished and the buried geological body can be revealed on the base of the space radar image feature, so this image had been applied to 1∶50 000 regional geological mapping. Also, enriched result and enhanced quality of 1∶50 000 regional geological mapping. It is proved to be useful in regional geological mapping.
Based on the rule of metamorphic rocks structure and deformation-decomposition theory during interpreting TM image of Xiashuangtai area, different levels of strong deformation belt and weak deformation areas (block) are classified, the strip and block structure is analysed by using quantity statistic method of linear-ring structure. Besides these, the paper studied the relationship between gold-ore rich area and net structure, which is formed by EW、NW、NE orientation structure belts and its confining blocks, therefore the paper built the ore-forming model and put forword several exploration targets.
The authors discuss the principle and conditions of using airborne thermal infrared remote sensing techniques to detect underground oil pipelines. They also analyse the factors, such as the season, time, flying altitude and surface temperature, which affect the results. Data obtained during the first half of the night in the middle of December is judged to be most reliable. 364 subsurface pipelines were located using such data.
In Beimen river basin, the Pleistocene deposits is wild and tremendous thick. By applying land satellite TM image and geophysical exploration data to comprehensively study the construction sandy ore-forming background. Meanwhile, the author interprets some glacial relics. Though studying these glacial relics, the author believs that the glacial geography is a series of ordered composition, and formed by several glacial activities during the Pleistocene.
