Predicting water age distribution in the Pearl River Estuary using a three-dimensional model

Ren, Yuheng; Lin, Binliang; Sun, Jian; Pan, Shunqi

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Predicting water age distribution in the Pearl River Estuary using a three-dimensional model

机译：使用三维模型预测珠江口的水年龄分布

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The age of water (AW) concept is applied to investigate the water exchange process in a large and density stratified estuary, namely the Pearl River Estuary. A three-dimensional AW model has been built based on an existing hydrodynamic and solute transport model. The model is used to determine the AW distributions inside the Pearl River Estuary under various hydrodynamic conditions. The predicted mean AW values during the dry and wet seasons are approximately 25 and 10 days, respectively. In general, lower AW values are observed in the upper layers near the water surface, while higher values are observed in the lower layers near the bed. The difference becomes more pronounced during the wet season when the river discharge is very large. The tidal influence is relatively small. The variation of tidal forcing impacts mainly on the AW fluctuation range, but it has limited impact on the tidally averaged AW value. Moreover, the AW vertical difference is enhanced during neap tides. A comparison between the predictions using barotropic and baroclinic models indicates that the density-induced circulation has a significant impact on the water exchange rate. (C) 2014 Elsevier B.V. All rights reserved.

机译：水的年龄（AW）概念被用于调查在一个大且密集的分层河口，即珠江河口中的水交换过程。在现有的水动力和溶质运移模型的基础上，建立了三维AW模型。该模型用于确定各种水动力条件下珠江口内的水汽分布。干旱和潮湿季节的预计平均AW值分别约为25天和10天。通常，在水面附近的上层观察到较低的AW值，而在床附近的下层观察到较高的AW值。在雨季，当河流流量很大时，差异变得更加明显。潮汐影响相对较小。潮汐强迫的变化主要影响AW波动范围，但对潮汐平均AW值的影响有限。此外，在潮汐期间，AW垂直差会增加。使用正压模型和斜压模型进行的预测之间的比较表明，密度引起的环流对水交换速率有重大影响。（C）2014 Elsevier B.V.保留所有权利。

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《Journal of marine systems: journal of the European Association of Marine Sciences and Techniques》 |2014年第null期|共12页
作者
Ren, Yuheng; Lin, Binliang; Sun, Jian; Pan, Shunqi;
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正文语种 eng
中图分类水路运输;
关键词
Age of water; River discharge; Tidal range; Density-induced circulation; Three-dimensional model; The Pearl River Estuary;

机译：水年龄;河水流量;潮差;密度引起的环流;三维模型;珠江口;

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1. Predicting water age distribution in the Pearl River Estuary using a three-dimensional model [J] . Ren, Yuheng, Lin, Binliang, Sun, Jian, Journal of marine systems: journal of the European Association of Marine Sciences and Techniques . 2014,第Null期

机译：使用三维模型预测珠江口的水年龄分布
2. Modeling the mass flux budgets of water and suspended sediments for the river network and estuary in the Pearl River Delta, China [J] . Hu J., Li S., Geng B. Journal of marine systems: journal of the European Association of Marine Sciences and Techniques . 2011,第2期

机译：为中国珠江三角洲的河网和河口模拟水和悬浮沉积物的质量通量预算
3. Nutrient input through submarine groundwater discharge in two major Chinese estuaries: the Pearl River Estuary and the Changjiang River Estuary [J] . Liu Jianan, Du Jinzhou, Wu Ying, Estuarine Coastal and Shelf Science . 2018,第APRa5期

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机译：华南珠江河口盐水侵入GIS仿真模型的建立 - 以摩尔河河口莫 - 道男子水道案例研究
5. Modeling studies of three-dimensional tide- and buoyancy-induced flow, sediment resuspension, and water quality in the Satilla River estuary, Georgia. [D] . Zheng, Lianyuan. 2001

机译：佐治亚州萨蒂拉河河口的三维潮汐和浮力诱导流量，泥沙悬浮和水质建模研究。
6. Contrasting bacterial and archaeal distributions reflecting different geochemical processes in a sediment core from the Pearl River Estuary [O] . Wenxiu Wang, Jianchang Tao, Haodong Liu, 2020

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7. Figure 2: (A) Predicted results of the general linear mixed model showing the changes of the percentage of the target species population in the Odra River Estuary during years 1992–2016. The predicted values were obtained from the model where we added species as a fixed variable. The model’s parameters are listed in Table S3. Dashed lines –the gap with birds data. (B) Changes in the ice cover duration in the Odra River Estuary during years 1992–2016. [O] . -1

机译：图2：（a）一般线性混合模型的预测结果，显示了1992-2016年奥德拉河河口靶种群百分比变化的变化。从我们将物种添加为固定变量的模型获得预测值。模型的参数列于表S3中。虚线 - 与鸟类数据的差距。（b）1992-2016年odra河河口冰盖持续时间的变化。
8. Neuse River Estuary Modeling and Monitoring Project Stage 1: Effects of WaterQuality on Distribution and Composition of the Fish Community [R] . Eby, L., Crowder, L., McClellan, C. 2000

机译：Neuse River Estuary建模和监测项目第一阶段：水质对鱼类群落分布和组成的影响

Predicting water age distribution in the Pearl River Estuary using a three-dimensional model

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