巴西南部大西洋多年代际涛动(AMO)期间的波浪气候趋势和断点

IF 1 4区 地球科学 Q3 MARINE & FRESHWATER BIOLOGY
N. Z. Maia, L. Almeida, L. Emmendorfer, J. Nicolodi, L. Calliari
{"title":"巴西南部大西洋多年代际涛动(AMO)期间的波浪气候趋势和断点","authors":"N. Z. Maia, L. Almeida, L. Emmendorfer, J. Nicolodi, L. Calliari","doi":"10.1590/2675-2824070.21086nzm","DOIUrl":null,"url":null,"abstract":"Understanding how wave climate variability and its trends change over time are crucial analyses required to mitigate potential wave-induced impacts and adapt coastal areas to such effects. The long-term trends and breakpoints of the wave energy flux (WEF) and its relationship with teleconnection patterns in southern Brazil were studied using ERA-5 wave reanalysis with validation using a waverider. We determined that the interannual mean WEF (WEFm) and extreme WEF (WEF98) that reaches the southern Brazil have increased over the past four decades, with a increment of 0.063 and 0.17 kW/m/year, respectively 0.63 and 0.29% per year. By the Muggeo method we determined that subperiods with increasing WEFm trends are related to the SSE and SSW quadrants and that these are also the most energetic ones and with the highest annual increment rates of WEFm and WEF98. Our results also suggest that the positive trends observed in interannual WEF values are likely related to the long term transition of cold to warm Atlantic Multidecadal Oscillation (AMO) phase in the western South Atlantic Ocean. From a coastal risk perspective, it is important to understand the relationship between climatic indices and the wave climate to support long-term coastal management policies. Abstract","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"1 1","pages":""},"PeriodicalIF":1.0000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Wave climate trends and breakpoints during the Atlantic Multidecadal Oscillation (AMO) in southern Brazil\",\"authors\":\"N. Z. Maia, L. Almeida, L. Emmendorfer, J. Nicolodi, L. Calliari\",\"doi\":\"10.1590/2675-2824070.21086nzm\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Understanding how wave climate variability and its trends change over time are crucial analyses required to mitigate potential wave-induced impacts and adapt coastal areas to such effects. The long-term trends and breakpoints of the wave energy flux (WEF) and its relationship with teleconnection patterns in southern Brazil were studied using ERA-5 wave reanalysis with validation using a waverider. We determined that the interannual mean WEF (WEFm) and extreme WEF (WEF98) that reaches the southern Brazil have increased over the past four decades, with a increment of 0.063 and 0.17 kW/m/year, respectively 0.63 and 0.29% per year. By the Muggeo method we determined that subperiods with increasing WEFm trends are related to the SSE and SSW quadrants and that these are also the most energetic ones and with the highest annual increment rates of WEFm and WEF98. Our results also suggest that the positive trends observed in interannual WEF values are likely related to the long term transition of cold to warm Atlantic Multidecadal Oscillation (AMO) phase in the western South Atlantic Ocean. From a coastal risk perspective, it is important to understand the relationship between climatic indices and the wave climate to support long-term coastal management policies. Abstract\",\"PeriodicalId\":19418,\"journal\":{\"name\":\"Ocean and Coastal Research\",\"volume\":\"1 1\",\"pages\":\"\"},\"PeriodicalIF\":1.0000,\"publicationDate\":\"2022-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Ocean and Coastal Research\",\"FirstCategoryId\":\"89\",\"ListUrlMain\":\"https://doi.org/10.1590/2675-2824070.21086nzm\",\"RegionNum\":4,\"RegionCategory\":\"地球科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"MARINE & FRESHWATER BIOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ocean and Coastal Research","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.1590/2675-2824070.21086nzm","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MARINE & FRESHWATER BIOLOGY","Score":null,"Total":0}
引用次数: 1

摘要

了解波浪气候变率及其趋势如何随时间变化是减轻潜在波浪引起的影响和使沿海地区适应这种影响所需的关键分析。利用ERA-5波浪再分析和乘波器验证,研究了巴西南部波浪能量通量(WEF)的长期趋势和断点及其与遥相关模式的关系。研究发现,近40年来,到达巴西南部的年际平均WEF (WEFm)和极端WEF (WEF98)分别增加了0.063和0.17 kW/m/年,分别增加了0.63和0.29%。通过Muggeo方法,我们确定了WEFm趋势增加的子周期与SSE和SSW象限有关,这两个象限也是WEFm和WEF98最具活力和年增量率最高的子周期。年际WEF值的正趋势可能与南大西洋西部大西洋多年代际涛动(AMO)阶段从冷到暖的长期转变有关。从沿海风险的角度来看,了解气候指数与波浪气候之间的关系对于支持长期沿海管理政策非常重要。摘要
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wave climate trends and breakpoints during the Atlantic Multidecadal Oscillation (AMO) in southern Brazil
Understanding how wave climate variability and its trends change over time are crucial analyses required to mitigate potential wave-induced impacts and adapt coastal areas to such effects. The long-term trends and breakpoints of the wave energy flux (WEF) and its relationship with teleconnection patterns in southern Brazil were studied using ERA-5 wave reanalysis with validation using a waverider. We determined that the interannual mean WEF (WEFm) and extreme WEF (WEF98) that reaches the southern Brazil have increased over the past four decades, with a increment of 0.063 and 0.17 kW/m/year, respectively 0.63 and 0.29% per year. By the Muggeo method we determined that subperiods with increasing WEFm trends are related to the SSE and SSW quadrants and that these are also the most energetic ones and with the highest annual increment rates of WEFm and WEF98. Our results also suggest that the positive trends observed in interannual WEF values are likely related to the long term transition of cold to warm Atlantic Multidecadal Oscillation (AMO) phase in the western South Atlantic Ocean. From a coastal risk perspective, it is important to understand the relationship between climatic indices and the wave climate to support long-term coastal management policies. Abstract
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
CiteScore
1.60
自引率
12.50%
发文量
21
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信