2003 - 2020年阿拉伯海西部两个上升流区浮游植物生物量变化的比较研究。

IF 4.9 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin Pub Date : 2025-01-08 DOI:10.1016/j.marpolbul.2024.117522

Huabing Xu , Fengcheng Yang , Yiman Wang , Longle Wang

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引用次数: 0

摘要

利用2003 - 2020年的卫星数据，研究了阿曼和索马里上升流区叶绿素a （Chl-a）浓度的月变化和年际变化。采用双变量小波相干分析（BWC）和多小波相干分析（MWC）确定影响Chl-a浓度变化的关键因素。结果表明，西南季风诱导的Ekman泵送和Ekman输运对两个上升流区沿海和近海浮游植物的大量繁殖至关重要。BWC分析表明，混合层深度（MLD）是解释阿曼上升流区Chl-a浓度年际波动的最佳单一海洋因子，而海表温度（SST）是索马里上升流区Chl-a浓度年际波动的最佳单一海洋因子。MWC分析表明，MLD-EPV （Ekman泵送速度）、MLD-SLA（海平面异常）、MLD-Niño 3.4和MLD-SST的组合与阿曼上升流区Chl-a的变化关系最为密切。

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Comparative study of the variability of the phytoplankton biomass in two upwelling zones of the western Arabian Sea from 2003 to 2020

This study investigates the monthly and interannual variations in chlorophyll-a (Chl-a) concentrations in the Oman and Somalia upwelling zones using satellite data from 2003 to 2020. Bivariate Wavelet Coherence (BWC) and Multiple Wavelet Coherence (MWC) analyses were applied to identify the key factors influencing Chl-a concentration changes. The results show that Ekman pumping and Ekman transport induced by the southwest monsoon are crucial for phytoplankton blooms along the coast and offshore in both upwelling zones. BWC analysis revealed that the mixed layer depth (MLD) is the best single oceanic factor explaining the interannual fluctuations in Chl-a concentrations in the Oman upwelling zone, while sea surface temperature (SST) is the best factor in the Somalia upwelling zone. MWC analysis showed that the combinations of MLD-EPV (Ekman pumping velocity), MLD-SLA (sea level anomaly), MLD-Niño 3.4, and MLD-SST are most strongly associated with Chl-a variations in the Oman upwelling zone.

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来源期刊

Marine pollution bulletin 环境科学-海洋与淡水生物学

CiteScore

10.20

自引率

15.50%

发文量

1077

审稿时长

68 days

期刊介绍： Marine Pollution Bulletin is concerned with the rational use of maritime and marine resources in estuaries, the seas and oceans, as well as with documenting marine pollution and introducing new forms of measurement and analysis. A wide range of topics are discussed as news, comment, reviews and research reports, not only on effluent disposal and pollution control, but also on the management, economic aspects and protection of the marine environment in general.