Southwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll

The Southern Ocean front (SOF) is an important factor that affects the heat exchange and material transport of the Southern Ocean. In the past two decades, with the advancements in satellite remote-sensing technology, the study of the spatio-temporal variability of the Southern Ocean front has becom...

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Autores principales:	Zhi Wang, Ge Chen, Yong Han, Chunyong Ma, Ming Lv
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Southern Ocean front southwestern Atlantic sea surface temperature chlorophyll Science Q
Acceso en línea:	https://doaj.org/article/776d2ea1fe9f461f896cad576ee6e8a5
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id	oai:doaj.org-article:776d2ea1fe9f461f896cad576ee6e8a5
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spelling	oai:doaj.org-article:776d2ea1fe9f461f896cad576ee6e8a52021-11-11T18:55:35ZSouthwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll10.3390/rs132144022072-4292https://doaj.org/article/776d2ea1fe9f461f896cad576ee6e8a52021-11-01T00:00:00Zhttps://www.mdpi.com/2072-4292/13/21/4402https://doaj.org/toc/2072-4292The Southern Ocean front (SOF) is an important factor that affects the heat exchange and material transport of the Southern Ocean. In the past two decades, with the advancements in satellite remote-sensing technology, the study of the spatio-temporal variability of the Southern Ocean front has become a new hot topic. Nevertheless, the southwestern Atlantic, as an important part of the Southern Ocean, is poorly studied in this regard. Based on the 16-year (2004–2019) high-resolution satellite observations of sea surface temperature (SST) and 13-year (2007–2019) observations of chlorophyll (CHL), this study detected and analyzed the position and seasonal variation of the SOF in the southwestern Atlantic using a gradient-based frontal detection method. According to the experimental results, the thermal front (derived from the SST data) disappeared in winter due to the spatially uniform surface cooling, whereas the ocean color front (derived from the CHL data) existed without remarkable spatio-temporal changes. Furthermore, the exact position and seasonal variation of the SOF in the southwestern Atlantic are determined by comparing the paths of the two fronts. Since the formation of the Kuroshio front in the East China Sea (ECS) is similar to the SOF in the southwestern Atlantic, the seasonal distributions of the two fronts were compared. Apart from that, the Kuroshio thermal fronts were mostly distributed in winter and less in summer, while the Southern Ocean thermal fronts showed the opposite. These results indicated that the ocean current properties significantly influence the spatio-temporal variability of the front.Zhi WangGe ChenYong HanChunyong MaMing LvMDPI AGarticleSouthern Ocean frontsouthwestern Atlanticsea surface temperaturechlorophyllScienceQENRemote Sensing, Vol 13, Iss 4402, p 4402 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Southern Ocean front southwestern Atlantic sea surface temperature chlorophyll Science Q
spellingShingle	Southern Ocean front southwestern Atlantic sea surface temperature chlorophyll Science Q Zhi Wang Ge Chen Yong Han Chunyong Ma Ming Lv Southwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll
description	The Southern Ocean front (SOF) is an important factor that affects the heat exchange and material transport of the Southern Ocean. In the past two decades, with the advancements in satellite remote-sensing technology, the study of the spatio-temporal variability of the Southern Ocean front has become a new hot topic. Nevertheless, the southwestern Atlantic, as an important part of the Southern Ocean, is poorly studied in this regard. Based on the 16-year (2004–2019) high-resolution satellite observations of sea surface temperature (SST) and 13-year (2007–2019) observations of chlorophyll (CHL), this study detected and analyzed the position and seasonal variation of the SOF in the southwestern Atlantic using a gradient-based frontal detection method. According to the experimental results, the thermal front (derived from the SST data) disappeared in winter due to the spatially uniform surface cooling, whereas the ocean color front (derived from the CHL data) existed without remarkable spatio-temporal changes. Furthermore, the exact position and seasonal variation of the SOF in the southwestern Atlantic are determined by comparing the paths of the two fronts. Since the formation of the Kuroshio front in the East China Sea (ECS) is similar to the SOF in the southwestern Atlantic, the seasonal distributions of the two fronts were compared. Apart from that, the Kuroshio thermal fronts were mostly distributed in winter and less in summer, while the Southern Ocean thermal fronts showed the opposite. These results indicated that the ocean current properties significantly influence the spatio-temporal variability of the front.
format	article
author	Zhi Wang Ge Chen Yong Han Chunyong Ma Ming Lv
author_facet	Zhi Wang Ge Chen Yong Han Chunyong Ma Ming Lv
author_sort	Zhi Wang
title	Southwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll
title_short	Southwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll
title_full	Southwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll
title_fullStr	Southwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll
title_full_unstemmed	Southwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll
title_sort	southwestern atlantic ocean fronts detected from satellite-derived sst and chlorophyll
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/776d2ea1fe9f461f896cad576ee6e8a5
work_keys_str_mv	AT zhiwang southwesternatlanticoceanfrontsdetectedfromsatellitederivedsstandchlorophyll AT gechen southwesternatlanticoceanfrontsdetectedfromsatellitederivedsstandchlorophyll AT yonghan southwesternatlanticoceanfrontsdetectedfromsatellitederivedsstandchlorophyll AT chunyongma southwesternatlanticoceanfrontsdetectedfromsatellitederivedsstandchlorophyll AT minglv southwesternatlanticoceanfrontsdetectedfromsatellitederivedsstandchlorophyll
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Southwestern Atlantic Ocean Fronts Detected from Satellite-Derived SST and Chlorophyll

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