Microfabric analysis of laminated diatom ooze (Holocene) from the eastern Bransfield Strait, Antarctic Peninsula

被引：8
|
作者：
Bahk, JJ
Yoon, HI
Kim, YD
Kang, CY
Bae, SH
机构：
[1] Korea Ocean Res & Dev Inst, Global Environm Res Lab, Ansan 425600, Seoul, South Korea
[2] Korea Ocean Res & Dev Inst, Polar Sci Lab, Ansan 425600, Seoul, South Korea
来源：
GEOSCIENCES JOURNAL | 2003年 / 7卷 / 02期
关键词：
diatoms; laminations; Holocene; Bransfield Strait; Antarctic Peninsula;
D O I：
10.1007/BF02910216
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Selected intervals of laminated diatom ooze (Holocene) from the eastern Bransfield Strait, Antarctic Peninsula were analyzed using high-resolution section images of impregnated samples to reveal potential annual-to-seasonal scale signatures of the lamination. The results show a probable seasonality within individual diatom ooze laminae which mainly reflects spring blooms of Chaetoceros followed by summer production of Corethron or Rhizosolenia. Alternating monospecific diatom ooze and terrigenous laminae are suggestive of annual cyclicities, representing alternation of diatom mass flux during the spring or autumn with terrigenous flux during the rest of year.
引用
收藏
页码：135 / 142
页数：8
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