An Overview of Hydrological Characteristics and Changing Mechanism of Modern Nordic Seas Overflows
First author:Shi Wenqi (1987-), male, Jining City, Shandong Province, Ph.D student. Research areas include Arctic ocean dynamics.E-mail:swqouc@163.com
Received date: 2016-11-30
Revised date: 2017-02-04
Online published: 2017-03-20
Supported by
Project supported by the National Natural Science Foundation of China “Arctic Sea ice and coupling of the upper ocean circulation changes and climate effect” (No.41330960);The National Key Basic Research Project “Arctic amplification produced by sea ice retreat and its global climate effects” (No.2015CB953900)
Copyright
As a connection region between Arctic and North Atlantic oceans, the Nordic seas play a critical role in global climate system. The density waters overflow through Greenland-Scotland Ridge from the Nordic seas, as the main source of the North Atlantic Deep Water (NADW), which plays a key role in global ocean conveyor. The causes and processes, which give some instruction of the overflow variation are still uncertain. Based on a review of current and historical research results of modern Nordic seas overflows, hydrological and flux characteristics and variation features of overflows through three channels, which are Faroe-Shetland Channel, Iceland-Faroe Ridge and Denmark Strait, from Nordic sea were addressed separately. The origins of overflows water and factors and physical processes that may have impact on the three overflows were also analyzed separately. Intense mixing in overflow through Faroe-Shetland Channel was discussed. At last, the changing mechanism of the whole overflow from Nordic seas and relationships among overflows through different channels were summed up. The aim of this paper is to give some instructions and research directions to the internal readers.
Wenqi Shi , Jinping Zhao . An Overview of Hydrological Characteristics and Changing Mechanism of Modern Nordic Seas Overflows[J]. Advances in Earth Science, 2017 , 32(3) : 245 -261 . DOI: 10.11867/j.issn.1001-8166.2017.03.0245
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