目前和新兴的海洋和湖泊叶绿素技术 - - 估计和监测:全球视角
Ratiranjan Jena1,2, Abdallah Shanableh3,4,5, Rami Al-Ruzouq3,4
1GIS & Remote Sensing Center, Research Institute of Sciences and Engineering, University of Sharjah, Sharjah, 27272, UAE. rjena@sharjah.ac.ae.
Environmental monitoring and assessment
|March 5, 2026
概括
本元分析审查了甲基 (Chl-a) 监测技术,揭示了卫星数据使用的差距和评估全球海洋和湖泊中Chl-a度的模型复杂性.
科学领域:
- 环境科学 环境科学
- 海洋学 海洋学 海洋学
- 临界技术 临界技术
背景情况:
- 叶绿素a (Chl-a) 度是植物浮游生物健康的关键指标,对于了解全球生态系统至关重要.
- 由于各种评估技术和预测挑战,在水环境中监测Chl-a是复杂的.
- 气候变化和人类活动对Chl-a水平产生重大影响,需要精确的监测.
研究的目的:
- 对监测,估计,建模和预测海洋和湖泊Chl-a度的最新技术进行元分析.
- 评估Chl-a度评估 (CCA) 在地方和全球空间尺度上的进展.
- 识别研究缺口并合成Chl-a映射中的各种数据类型,技术和影响因素.
主要方法:
- 关于Chl-a监测和评估的最新科学文献的元分析.
- 对研究的分析,考虑时空视角和多样化的数据集.
- 基于空间尺度 (本地与全球) 和数据源的研究分类.
主要成果:
- 关于Chl-a的研究在发达国家 (45%) 和新兴国家 (55%) 之间几乎是均的.
- 在全球Chl-a研究中有限地利用公共卫星数据 (Landsat,Sentinel).
- 模型往往忽略了诸如光,度和电流等关键因素,尽管它们识别了温度和营养.
结论:
- 在全球Chl-a估计中存在显著的研究差距,特别是在卫星数据应用和模型全面性方面.
- 需要更复杂的模型,将更广泛的环境因素纳入其中.
- 本综述综合了当前的知识,突出了Chl-a度映射的复杂性和进展.
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