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Dispersal of the Zhujiang River (Pearl River) derived sediment in the Holocene
  • ISSN号:0253-505X
  • 期刊名称:《海洋学报:英文版》
  • 分类:P736.21[天文地球—海洋地质;天文地球—海洋科学] P532[天文地球—古生物学与地层学;天文地球—地质学]
  • 作者机构:[1]Key Laboratory of Submarine Geosciences, State 0ceanic Administration, Second Institute of 0ceanography, State 0ceanic Administration, Hangzhou 310012, China, [2]Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, USA
  • 相关基金:Foundation item: The National Natural Science Foundation of China under contract Nos 41106045 and 41206045; the Scientific Research Fund of the Second Institute of Oceanography, SOA under contract No. JT1102; the Basic Research Fund of State Oceanic Administration (named as Paleoceanographic Research in the Western Pacific).
中文摘要:

高分辨率啁啾介绍并且 coring 揭示一伸长(ca。400 km ) Holocene Zhujiang 河(珀尔河) 导出泥区域(最大的厚度 > 20 m ) 从 Zhujiang 河三角洲延长,离开广东海岸向西南,到 Leizhou 半岛。二 depo 集中,近似的 depo 集中和 depo 集中远侧,被识别。在离开西方广东省的大陆人架上,泥在比 50 m 浅的水深度被扔;当时到 Zhujiang 河河口的东南,泥区域能延长到 120 m 深线。有 stratigraphic 的联合分析在西方的和平的边缘的海另外的泥泞存款定序(主要 Changjiang (Yangtze ) 和河导出的 Huanghe (黄)) 显示 Zhujiang 河泥泞存款的开始能进一步被划分成二个阶段:舞台 1 在 mid-Holocene 前海平面的 highstand (ca。7.0 cal。ka BP ) ,近似的泥主要在 9.0 cal 以后被扔。ka BP,什么时候海平面的玫瑰慢慢地在 Meltwater 脉搏 1C 以后;舞台 2 在 mid-Holocene sealevel highstand 以后, clinoform 在大陆人架上发展了离开西方广东省,延长 ca。从 Zhujiang 河河口的 400 km。近似 clinoform 变瘦近海,从 ca。在到在 2030 m 水深度附近的不到 12 m 的 510 m 水深度附近的 10 m 厚度。另外,我们也在 Leizhou 半岛的东方发现发达远侧的 clinoform。

英文摘要:

High-resolution Chirp profiling and coring reveals an elongated (ca. 400 km) Holocene Zhujiang River (Pearl River)-derived mud area (maximum thickness 〉 20 m) extending from the Zhujiang River Delta, southwest-ward off the Guangdong coast, to the Leizhou Peninsula. Two depo-centers, one proximal and one distal, are identified. On the continental shelf off the west Guangdong Province, the mud is deposited in water depth shallower than 50 m; while to the southeast of the Zhujiang River Estuary, the mud area can extend to the -120 m isobath. A combined analysis with the stratigraphic sequences of other muddy deposits in the West-ern Pacific marginal seas (mainly Changjiang (Yangtze) and Huanghe (Yellow) Rivers derived) indicates that the initiation of the Zhujiang River muddy deposit can be further divided into two stages: Stage 1 is before the mid-Holocene sea-level highstand (ca. 7.0 cal. ka BP), the proximal mud was mostly deposited after 9.0 cal. ka BP, when the sea-level rose slowly after the Meltwater Pulse -1C; Stage 2, after the mid-Holocene sea-level highstand, clinoform developed on the continental shelf off the west Guangdong Province, extending ca. 400 km from the Zhujiang River Estuary. The proximal clinoform thins offshore, from ca. 10 m thickness around 5-10 m water depth to less than 1-2 m around 20-30 m water depth. In addition, we also find a de-veloped distal clinoform in the east of the Leizhou Peninsula.

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期刊信息
  • 《海洋学报:英文版》
  • 主管单位:
  • 主办单位:中国海洋学会
  • 主编:潘德炉
  • 地址:北京海淀大慧寺路8号
  • 邮编:100081
  • 邮箱:hyxbe@263.net
  • 电话:010-62179976
  • 国际标准刊号:ISSN:0253-505X
  • 国内统一刊号:ISSN:11-2056/P
  • 邮发代号:82-285
  • 获奖情况:
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘(网络版),荷兰文摘与引文数据库,美国剑桥科学文摘,美国科学引文索引(扩展库),英国科学文摘数据库,英国动物学记录
  • 被引量:331