南沙群岛工程地质环境分区与质量评价
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摘要
南沙群岛海区自然资源丰富 ,但工程地质条件复杂 ,地质灾害频繁。随着对该海区海洋资源的开发和其它海洋工程活动的增加 ,调查和研究其工程地质环境与质量评价就成为非常必要的前期工作。本文在分析了南沙群岛海区地质构造、活动断裂和火山地震活动的基础上 ,结合海洋水动力环境要素将南沙海区工程地质环境划分为 5个区 :南部陆架区、西部陆坡区、南沙海槽区、礼乐滩微陆块区、珊瑚礁隆起区 ,并深入分析了各分区的环境特征。本文还利用模糊数学的方法对南沙海区的工程地质环境质量进行综合评价分析 ,使评价结果更加客观合理 ,为南沙群岛区域资源开发的规划工作提供工程地质环境背景的支持
Nansha Islands have abundant natural resources , but there exist complex geoengineering conditions and frequent geological hazards.It is important and essential to survey and evaluate the engineering geoenvironment. On the basis of analyzing geological structure, active faults, volcanoes and earthquakes, and conbinination with the hydrodynamic conditions, the engineering geoenvironment in Nansha area is divided into 5 zones: southern continental shelf zone, western continental slope zone, Nansha trough zone, Liyuetan shoal zone and coral reef zone and the engineering-geological features in each zone are also analyzed . A fuzzy mathematic method is used to qualitatively assess the engineering geoenvironmental on Nansha Islands. the evaluation result is more objective and reasonable and provides a basis support of engineering geoenvironment for planning of resource development in Nansha Islands area.
Nansha Islands have abundant natural resources , but there exist complex geoengineering conditions and frequent geological hazards.It is important and essential to survey and evaluate the engineering geoenvironment. On the basis of analyzing geological structure, active faults, volcanoes and earthquakes, and conbinination with the hydrodynamic conditions, the engineering geoenvironment in Nansha area is divided into 5 zones: southern continental shelf zone, western continental slope zone, Nansha trough zone, Liyuetan shoal zone and coral reef zone and the engineering-geological features in each zone are also analyzed . A fuzzy mathematic method is used to qualitatively assess the engineering geoenvironmental on Nansha Islands. the evaluation result is more objective and reasonable and provides a basis support of engineering geoenvironment for planning of resource development in Nansha Islands area.
引文
[1] 中国科学院南沙综合科学考察队著.南沙群岛永暑礁第四纪珊瑚礁地质[M \〗.北京:海洋出版社,1992.EditedinTheMultidisciplinaryOceanographicExpeditionTeamofChi neseAcademyofSciencestoNanshaIslands.QuaternaryCoralReeGeologyofYongshuReef,NanshaIslands.Beijing:ChinaOceanPress,1992.
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[4] 詹文欢,孙宗勋,张乔民等.南沙群岛海区珊瑚礁灾害性地质分析[J].热带海洋学报,2002,21(2):58～65.ZhanWenhuan,SunZongxun,ZhangQiaomin,etal..HazardousGe ologyofCoralReefsinSouthernSouthChinaSea.JournalofTropicalOceanography,2002,21(2):58～65.
[5] 林锡贵,张庆荣.南沙及其邻近海区的天气气候特征[J].热带海洋,1990,9(1):9～16.LinXigui,ZhangQingrong.TheCharacteristicsofweatherinNanshaandItsNeighborhoodSeas.TropicalOceanography,1990,9(1):9～16.
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[7] 冯伟文,罗又郎,林怀兆.南沙群岛海区表层沉积物中石英砂的表面结构特征及圆度分析初步研究[A].南沙群岛及其邻近海区海洋环境研究论文集(一)[C],武汉:湖北科学技术出版社,1993,174～182.FengWeiwen,LuoYoulang,LinHuaizao.SurfaceStructureandRoundnessofQuartzSandinSurfaceLayerSedimentsofNanshaIs lands.OceanEnvironmentSymposiumofNanshaIslandsandItsNeigh borhoodSeas(一).Wuhan:HubeiScienceandTechnologyPress,1993,174～182.
[8] 中国科学院南沙综合科学考察队著.南沙群岛及其邻近海区第四纪沉积地质学[M].武汉:湖北科学技术出版社,1993.EditedinTheMultidisciplinaryOceanographicExpeditionTeamofChi neseAcademyofSciencestoNanshaIslands.QuaternarySedimentalGeologyofNanshaIslandsandItsNeighborhoodSeas.Wuhan:HubeiScienceandTechnologyPress,1993.
[9] 中国科学院南沙综合科学考察队著.南沙群岛及其邻近海区地质地球物理与油气资源[M].北京:科学出版社,1996.EditedinTheMultidisciplinaryOceanographicExpeditionTeamofChi neseAcademyofSciencestoNanshaIslands.Geology,GeophysicsandOilResourceofNanshaIslandsandItsNeighborhoodSeas.Beijing:SciencePress,1996.
[10] 孙宗勋,赵焕庭.珊瑚礁工程地质学%D%D新学科的提出[J].水文地质工程地质,1998,25(1):1～4.SunZongxun,ZhaoHuanting.EngineeringGeologyofCoralreef.HydrogeologyandEngineeringGeology,1998,25(1):1～4.
[11] 黄庆华,马寅生,宋新初.北京地区地震活动与稳定性的模糊综合评价[J \〗.地质学报,1983,67(3):195～206.HuangQinghua,MaYinsheng,SongXinchu.SeismicActivityandFuzzyComprehensiveEvaluationofCrustalStabilityinTheBeijingArea.JournalofGeology,1983,67(3):5～206.
[12] 昌玮.模糊模型识别及其在土地质量评价中的应用[J].数学实践与认识,1983,(1):26～30.ChangWei.FuzzyModelIdentificationandItsApplicationsonLandQualityEvaluation.MathematicalPracticeandCognition.1983,(1):26～30.
[13] 陈贻源.模糊数学[M].武汉:华中工学院出版社,1984.ChenYiyuan.FuzzyMathematics.Wuhan:IndustryCollegeofCen tralChinaPress,1984.
[2] 刘以宣主编.南海新构造与地壳稳定性[M].北京:科学出版社,1994.EditedinLiuYixuan.NeotectonicsandCrustalStabilityofSouthChi naSea.Beijing:SciencePress,1994.
[3] 赵焕庭主编.南沙群岛自然地理[M].北京:科学出版社,1996.EditedinZhaoHuanting.PhysicalGeographyofNanshaIslands.Bei jing:SciencePress,1996.
[4] 詹文欢,孙宗勋,张乔民等.南沙群岛海区珊瑚礁灾害性地质分析[J].热带海洋学报,2002,21(2):58～65.ZhanWenhuan,SunZongxun,ZhangQiaomin,etal..HazardousGe ologyofCoralReefsinSouthernSouthChinaSea.JournalofTropicalOceanography,2002,21(2):58～65.
[5] 林锡贵,张庆荣.南沙及其邻近海区的天气气候特征[J].热带海洋,1990,9(1):9～16.LinXigui,ZhangQingrong.TheCharacteristicsofweatherinNanshaandItsNeighborhoodSeas.TropicalOceanography,1990,9(1):9～16.
[6] 黄企洲,仇德忠.南沙群岛海区潮汐潮流状况[A].南沙群岛海区物理海洋学论文集(一)[C],北京:海洋出版社,1994,114～124.HuangQizhou,QiuDezhong.TideandCurrentofNanshaIslands.SymposiumofPhysicalOceanographyofNanshaIslands(一),Beijing:ChinaOceanPress,1994,114～124.
[7] 冯伟文,罗又郎,林怀兆.南沙群岛海区表层沉积物中石英砂的表面结构特征及圆度分析初步研究[A].南沙群岛及其邻近海区海洋环境研究论文集(一)[C],武汉:湖北科学技术出版社,1993,174～182.FengWeiwen,LuoYoulang,LinHuaizao.SurfaceStructureandRoundnessofQuartzSandinSurfaceLayerSedimentsofNanshaIs lands.OceanEnvironmentSymposiumofNanshaIslandsandItsNeigh borhoodSeas(一).Wuhan:HubeiScienceandTechnologyPress,1993,174～182.
[8] 中国科学院南沙综合科学考察队著.南沙群岛及其邻近海区第四纪沉积地质学[M].武汉:湖北科学技术出版社,1993.EditedinTheMultidisciplinaryOceanographicExpeditionTeamofChi neseAcademyofSciencestoNanshaIslands.QuaternarySedimentalGeologyofNanshaIslandsandItsNeighborhoodSeas.Wuhan:HubeiScienceandTechnologyPress,1993.
[9] 中国科学院南沙综合科学考察队著.南沙群岛及其邻近海区地质地球物理与油气资源[M].北京:科学出版社,1996.EditedinTheMultidisciplinaryOceanographicExpeditionTeamofChi neseAcademyofSciencestoNanshaIslands.Geology,GeophysicsandOilResourceofNanshaIslandsandItsNeighborhoodSeas.Beijing:SciencePress,1996.
[10] 孙宗勋,赵焕庭.珊瑚礁工程地质学%D%D新学科的提出[J].水文地质工程地质,1998,25(1):1～4.SunZongxun,ZhaoHuanting.EngineeringGeologyofCoralreef.HydrogeologyandEngineeringGeology,1998,25(1):1～4.
[11] 黄庆华,马寅生,宋新初.北京地区地震活动与稳定性的模糊综合评价[J \〗.地质学报,1983,67(3):195～206.HuangQinghua,MaYinsheng,SongXinchu.SeismicActivityandFuzzyComprehensiveEvaluationofCrustalStabilityinTheBeijingArea.JournalofGeology,1983,67(3):5～206.
[12] 昌玮.模糊模型识别及其在土地质量评价中的应用[J].数学实践与认识,1983,(1):26～30.ChangWei.FuzzyModelIdentificationandItsApplicationsonLandQualityEvaluation.MathematicalPracticeandCognition.1983,(1):26～30.
[13] 陈贻源.模糊数学[M].武汉:华中工学院出版社,1984.ChenYiyuan.FuzzyMathematics.Wuhan:IndustryCollegeofCen tralChinaPress,1984.
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