渤海东部与黄海北部表层沉积物的粒度特征及其沉积环境

• Published in: Hăiyang dĭzhĭ yu dĭsĭjĭ dĭzhĭ Vol. 36; no. 5; p. 1
• Main Authors: ZHANG, Jian, LI, Rihui, WANG, Zhongbo, ZHANG Xunhua, HUANG, Long, SUN Rongtao
• Format: Journal Article
• Language: Chinese
• Published: Beijing Marine Geology and Quaternary Geology 01.01.2016
• Subjects: Classification (sedimentation); Deposits; Distribution patterns; Grain size; Grain size distribution; Gravel; Ocean circulation; Ocean currents; Ocean floor; Particle size; Sand; Seabed deposits; Sediment; Sediment deposits; Sedimentary environments; Sediments; Silt; Size distribution; Spatial distribution; Water circulation; Zonation; Yellow Sea
• ISSN: 0256-1492
• DOI: 10.16562/j.cnki.0256-1492.2016.05.001

渤海东部和黄海北部表层沉积物粒度组成分析揭示,沉积物主要由砂、粉砂、粉砂质砂和砂质粉砂组成,部分海域出现含砾沉积物。总体分布表现为南细北粗、东西分带的特点,形成以平行岸线的条带状分布格局为主体的南北不同的镶嵌形态,由岸及海、由北向南呈现由粗到细的分布特征。沉积物分布主要受物质来源、地形以及海洋环流控制,根据沉积物成因划分出老铁山水道-辽东-渤中浅滩砂质沉积区、山东半岛沿岸流泥质沉积区、北黄海中部泥质沉积、南黄海中部泥质沉积区、西朝鲜湾潮流沙脊沉积区、渤海中部泥质沉积区,并讨论了不同沉积区的沉积环境。