相关实验视频

Updated: Jan 18, 2026

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

沿海水质动态的时空模式和驱动因素:来自中国门湾可解释机器学习和PLS-SEM分析的见解

Aynuddin¹, Yao Chen², Jielong Xu³

¹College of the Environment and Ecology, Xiamen University, Xiamen, China; AKA Bogor Polytechnic, Ministry of Industry, Bogor, Indonesia.

Marine pollution bulletin

|January 15, 2026

概括

城市地区有效的沿海水质管理是复杂的. 这项研究使用先进的方法来识别模式,确定土地使用变化等驱动因素,并确认综合沿海管理对可持续城市湾健康的好处.

科学领域:

环境科学环境科学
海洋生物学海洋生物学
数据科学数据科学数据科学

背景情况:

由于人类的压力和陆海相互作用,城市化地区难以管理沿海水质.
生态变化是由动态环境因素和日益增长的人类活动驱动的.

研究的目的:

开发一种综合方法来分析时空水质模式,并确定城市沿海地区的关键驱动因素.
评估环境因素,人类活动和水质之间的因果关系.
评估综合沿海管理 (ICM) 和海洋功能区划 (MFZ) 等管理策略的有效性.

主要方法:

自组织地图 (SOM) 用于空间时间水质模式的识别.
机器学习算法 (LightGBM) 和可解释的AI (SHAP) 来确定预测驱动器.
部分最小平方结构方程建模 (PLS-SEM) 来分析因果路径.

主要成果:

SOM确定了两个不同的水质集群,在2012-2018年之间发生了转折点,与沿海复苏和社会经济变化有关.
轻GBM实现了>94%的准确性和0.88 F1得分,超过了其他11个算法.
土地覆盖的变化,工业排放和社会经济因素被确定为水质变化的主要驱动因素.

结论:

该研究提供了数据驱动的洞察力,用于快速城市化湾区的可持续沿海水资源管理.
像ICM和MFZ这样的积极管理框架证明了对水质的积极影响.
将模式识别与因果解释相结合,对于有效的沿海管理至关重要.

关键词:

人为驱动因素人为驱动因素沿海水质的质量沿海水质可解释的机器学习这就是PLS-SEM.自组织地图的自我组织地图时间空间的模式.

更多相关视频

Visualizing Methane-Cycling Microbial Dynamics in Coastal Wetlands

Visualizing Methane-Cycling Microbial Dynamics in Coastal Wetlands

Published on: January 31, 2025

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

Published on: July 28, 2023

相关概念视频

Testing Water Quality

Testing Water Quality

When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...

Quality of Water

Quality of Water

In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...

Mechanistic Models: Compartment Models in Individual and Population Analysis

Mechanistic Models: Compartment Models in Individual and Population Analysis

Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...