设为首页 | 加入收藏
BI Haibo,WANG Yunhe,ZHANG Wenfeng,ZHANG Zehua,LIANG Yu,ZHANG Yi,HU Wenmin,FU Min,HUANG Haijun.Recent satellite-derived sea ice volume flux through the Fram Strait:2011-2015[J].Acta Oceanologica Sinica,2018,37(9):107-115
近年来基于卫星遥感的弗拉姆海峡海冰体积输出变化:2011-2015
Recent satellite-derived sea ice volume flux through the Fram Strait:2011-2015
投稿时间:2018-10-23  
DOI:10.1007/s13131-018-1270-9
中文关键词:  海冰体积通量  弗拉姆海峡  IFREMER  NSIDC  Cryosat-2
英文关键词:sea ice volume flux  Fram Strait  CryoSat-2
基金项目:The National Natural Science Foundation of China under contract No. 41406215; the Foundation of Laboratory for Marine Geology, Institute of Oceanology, Chinese Academy of Sciences; the Foundation of Qingdao National Laboratory for Marine Science and Technology; the Postdoctoral Science Foundation of China under contract No. 2014M561971; the Open Fund for the Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences under contract No. MGE2013KG07; the NSFC-Shandong Joint Fund for Marine Science Research Centers under contract No. U1606401.
作者单位E-mail
毕海波 中科院海洋所, 海洋地质与环境实验室, 青岛, 266071
青岛国家海洋科学与技术实验室, 青岛, 266200
中国科学院大学, 北京, 100049
山东省石岛气象站, 威海, 264309 
 
王云鹤 中科院海洋所, 海洋地质与环境实验室, 青岛, 266071
青岛国家海洋科学与技术实验室, 青岛, 266200
中国科学院大学, 北京, 100049
山东省石岛气象站, 威海, 264309 
yhw1118@yeah.net 
张文峰 国家海洋局环境预报中心, 北京, 100089  
ZHANG Zehua 中科院海洋所, 海洋地质与环境实验室, 青岛, 266071
青岛国家海洋科学与技术实验室, 青岛, 266200
中国科学院大学, 北京, 100049
山东省石岛气象站, 威海, 264309 
 
LIANG Yu 中科院海洋所, 海洋地质与环境实验室, 青岛, 266071
青岛国家海洋科学与技术实验室, 青岛, 266200
中国科学院大学, 北京, 100049
山东省石岛气象站, 威海, 264309 
 
ZHANG Yi 中科院海洋所, 海洋地质与环境实验室, 青岛, 266071
青岛国家海洋科学与技术实验室, 青岛, 266200
中国科学院大学, 北京, 100049
山东省石岛气象站, 威海, 264309 
 
胡文敏 中国矿业大学, 徐州, 221008  
付敏 National Marine Environmental Forecasting Center, State Oceanic Administration, Beijing 100081, China  
黄海军 中科院海洋所, 海洋地质与环境实验室, 青岛, 266071
青岛国家海洋科学与技术实验室, 青岛, 266200
中国科学院大学, 北京, 100049
山东省石岛气象站, 威海, 264309 
hjhuang@qdio.ac.cn 
摘要点击次数: 2209
全文下载次数: 1206
中文摘要:
      弗拉姆海峡是北冰洋海冰出口的主要区域,在调节海冰和淡水进入北大西洋的数量方面发挥着重要作用。从近五年(2011-2015年) Cryosat-2观测数据反演得到海冰厚度被用来通过研究通过该海峡的海冰体积通量。在此期间,基于国家冰雪数据中心(NSIDC)和法国海洋开发研究所(IFREMER)提供的海冰漂移速度数据,得出的平均冬季输出体积通量(WAVF)分别为1029 km3 (NSIDC)和1463 km3 (IFREMER)。同时,从NSIDC和IFREMER漂移数据得到的估计值的月平均体积通量(面积通量)差值为-62 km3/月(-18×106 km2/月)。分析表明,这种负偏差主要归因于IFREMER漂移速度比NSIDC漂移数据快。我们也将基于NSDC的流量估算与不来梅大学基于潜标观测数据的结果进行了比较。这两个产品在2011年1月至2013年8月期间的平均偏差为5.7±45.9 km3/月。此外可以发现,本研究中基于IFREMER的体积通量也与上世纪90年代前人研究结果具有较好的吻合。与P1(1990/91-1993/94)和P2(2003/04-2007/08)相比,WAVF估算结果在P3(2011/12-2014/15)减少量不低于600 km3。这三个时期海冰体积通量的变化和下降主要是由于海冰运动的变化引起的,其次是海冰厚度的变化,最小的是海冰浓度的变化。
英文摘要:
      The Fram Strait (FS) is the primary region of sea ice export from the Arctic Ocean and thus plays an important role in regulating the amount of sea ice and fresh water entering the North Atlantic seas. A 5 a (2011-2015) sea ice thickness record retrieved from CryoSat-2 observations is used to derive a sea ice volume flux via the FS. Over this period, a mean winter accumulative volume flux (WAVF) based on sea ice drift data derived from passive-microwave measurements, which are provided by the National Snow and Ice Data Center (NSIDC) and the Institut Francais de Recherche pour d'Exploitation de la Mer (IFREMER), amounts to 1 029 km3 (NSIDC) and 1 463 km3 (IFREMER), respectively. For this period, a mean monthly volume flux (area flux) difference between the estimates derived from the NSIDC and IFREMER drift data is -62 km3 per month (-18×106 km2 per month). Analysis reveals that this negative bias is mainly attributable to faster IFREMER drift speeds in comparison with slower NSIDC drift data. NSIDC-based sea ice volume flux estimates are compared with the results from the University of Bremen (UB), and the two products agree relatively well with a mean monthly bias of (5.7±45.9) km3 per month for the period from January 2011 to August 2013. IFREMER-based volume flux is also in good agreement with previous results of the 1990s. Compared with P1 (1990/1991-1993/1994) and P2 (2003/2004-2007/2008), the WAVF estimates indicate a decline of more than 600 km3 in P3 (2011/2012-2014/2015). Over the three periods, the variability and the decline in the sea ice volume flux are mainly attributable to sea ice motion changes, and second to sea ice thickness changes, and the least to sea ice concentration variations.
查看全文   查看/发表评论  下载PDF阅读器
关闭