A bio-optical model for integration into ecosystem models for the Ligurian Sea

A bio-optical model for integration into ecosystem models for the Ligurian Sea
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用于融入利古里亚海生态系统模型的生物光学模型

DOI:
10.1016/j.pocean.2016.10.007
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发表时间:
2016
影响因子:
4.1
通讯作者:
Bengil F
Bengil F
中科院分区:
地球科学1区
文献类型:
--
作者:
Bengil F

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已经为利古里亚海开发了一个生物光学模型,该模型包括深海情况1沃茨和浅海情况2沃茨。该模型建立在该地区早期案例1模型的基础上,并使用BP 09研究巡航收集的现场数据,为非生物源颗粒和CDOM建立新的关系。生物光学模型reproducesin situIOPs准确,并用于parameterized辐射传输模拟,这表明其实用程序建模水下光水平和地表以上遥感反射率。真光层深度的预测被认为是准确的,在3.2米(RMSE)。以前发表的光场模型工作良好的利古里亚海的深海部分,适合情况1分类。然而,他们被发现显着高估真光深度在光学复杂的沿海沃茨的非生物源材料的影响是最强的。对于这些沿海沃茨水域,本文提出的生物光学模型和完整辐射传输模拟的结合提供了对真光深度的更准确的预测。
A bio-optical model has been developed for the Ligurian Sea which encompasses both deep, oceanic Case 1 waters and shallow, coastal Case 2 waters. The model builds on earlier Case 1 models for the region and uses field data collected on the BP09 research cruise to establish new relationships for non-biogenic particles and CDOM. The bio-optical model reproducesin situIOPs accurately and is used to parameterize radiative transfer simulations which demonstrate its utility for modeling underwater light levels and above surface remote sensing reflectance. Prediction of euphotic depth is found to be accurate to within ∼3.2 m (RMSE). Previously published light field models work well for deep oceanic parts of the Ligurian Sea that fit the Case 1 classification. However, they are found to significantly over-estimate euphotic depth in optically complex coastal waters where the influence of non-biogenic materials is strongest. For these coastal waters, the combination of the bio-optical model proposed here and full radiative transfer simulations provides significantly more accurate predictions of euphotic depth.
生物光学数据同化对短期耦合物理、生物光学模型预测的影响
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