Wintertime ocean conditions over the southern Weddell Sea continental shelf, Antarctica

Wintertime ocean conditions over the southern Weddell Sea continental shelf, Antarctica
复制标题

南极洲威德尔海南部大陆架的冬季海洋状况

DOI:
10.1029/2008gl035742
复制
发表时间:
2008
影响因子:
5.2
通讯作者:
M. Fedak
M. Fedak
中科院分区:
地球科学1区
文献类型:
--
作者:
K. Nicholls;L. Boehme;M. Biuw;M. Fedak

文献摘要

被引文献

相似文献

在2007年的南半球冬季,一只威德尔海豹携带着一个微型电导-温度-深度(CTD)仪器在威德尔海大陆架的中南部旅行。该仪器产生了750个温深剖面,其中250个是海底剖面。数据显示,在陆架坡折处(74°S 44°W),水通过一个岩床流到陆架上。来自气流核心的热量能够将表面混合层保持在冰点以上,导致冰产量减少。对大陆架上通量的估计表明,这一流量占威德尔海南部大陆架估计3 Sv排水量的大部分。
During the austral winter of 2007 a Weddell Seal tagged with a miniaturized conductivity‐temperature‐depth (CTD) instrument travelled over the central southern Weddell Sea continental shelf. The instrument yielded 750 CTD profiles, 250 of them to the sea floor. The data show a full depth flow of water onto the shelf via a sill at the shelf break (74°S 44°W). The warmth from the core of the flow was able to maintain the surface mixed layer above the freezing point, resulting in a band of reduced ice‐production. An estimate of the on‐shelf flux suggests that this flow accounts for most of the estimated 3 Sv of water draining from the southern Weddell Sea continental shelf.