现代黄河三角洲陆上表层沉积物类型与沉积环境分区及岸线演变  

SURFACE SEDIMENTS,SEDIMENTARY SUBENVIRONMENTS AND SHORELINE EVOLUTION OF MODERN YELLOW RIVER DELTA

作　　者：赵广明[1,2,3] 叶青[2,3] 薛春汀[1,2,3] 马妍妍[4] 叶思源[1,2,3] 

机构地区：[1]中国地质调查局滨海湿地生物地质重点实验室,青岛266071 [2]国土资源部海洋油气资源与环境地质重点实验室,青岛266071 [3]青岛海洋地质研究所,青岛266071 [4]中国海洋大学,青岛266100

出　　处：《海洋地质与第四纪地质》2013年第5期47-52,共6页Marine Geology & Quaternary Geology

基　　金：国土资源调查项目(1212010611402);国土资源部公益性行业基金(201111023);国土资源部海洋油气资源与环境地质重点实验室基金(MRE2012030);海洋地质保障工程项目(GZH201200503)

摘　　要：通过对现代黄河三角洲的实地取样和遥感调查,结合历史资料和数据,总结了现代黄河三角洲表层沉积物类型和沉积环境;通过分析黄河改道历史以及黄河大坝修建的时间,将现代黄河三角洲沉积环境划分为7个区,全面地确定了现代黄河三角洲最表层沉积物沉积年代;通过选取黄河三角洲7个时相的Landsat遥感数据,分析了现代黄河三角洲1976—2009年以来的岸线演变,自1976年黄河改道清水沟流路以来,海岸低潮线以上区域面积净减少318.78km2。Based on the data from field samples and remote sensing survey, combined with historical infor- mation, we summarized the types of surface sediments and sedimentary subenvironments of the modern Yellow River Delta in this paper. According to the history of the Yellow River channel changes and dam building,the delta was subdivided into seven subenvironments. The surface deposits were dated and the shoreline changes from 1976--2009 reestablished with the seven times of Landsat remote sensing data of the delta. Since the Yellow River channel shifted to the current Qingshuigou course in 1976, the coastal area above the low tidal level has decreased by 318.78 km2

关 键 词：表层沉积物 沉积环境分区 岸线演变 现代黄河三角洲 

分 类 号：P736.21[天文地球—海洋地质]