Low-cost internet-of-things water-quality monitoring system for rural areas

R Bogdan, C Paliuc, M Crisan-Vida, S Nimara… - Sensors, 2023‏ - mdpi.com
Water is a vital source for life and natural environments. This is the reason why water
sources should be constantly monitored in order to detect any pollutants that might …

Monitoring and spatial traceability of river water quality using Sentinel-2 satellite images

Y Zhang, X He, G Lian, Y Bai, Y Yang, F Gong… - Science of The Total …, 2023‏ - Elsevier
Due to limited monitoring stations along rivers, it is difficult to trace the specific locations of
high pollution areas along the whole river by traditionally in situ measurement. High …

Real-time measurement of total nitrogen for agricultural runoff based on multiparameter sensors and intelligent algorithms

Y Zhuang, W Wen, S Ruan, F Zhuang, B **a, S Li, H Liu… - Water Research, 2022‏ - Elsevier
Real-time monitoring of non-point source (NPS) pollution is challenging owing to the minute-
scale change in runoff flow and concentration under rainfall condition. In this study, we …

A hybrid remote sensing approach for estimating chemical oxygen demand concentration in optically complex waters: A case study in inland lake waters in eastern …

X Cai, Y Li, S Lei, S Zeng, Z Zhao, H Lyu… - Science of The Total …, 2023‏ - Elsevier
Chemical oxygen demand concentration (C COD) is widely used to indicate the degree of
organic pollution of lakes, reservoirs and rivers. Mastering the spatiotemporal distribution of …

[HTML][HTML] Water quality retrieval from ZY1-02D hyperspectral imagery in urban water bodies and comparison with sentinel-2

Z Yang, C Gong, T Ji, Y Hu, L Li - Remote Sensing, 2022‏ - mdpi.com
Non-optically active water quality parameters in water bodies are important evaluation
indicators in monitoring urban water quality. Over the past years, satellite remote sensing …

Universal high-frequency monitoring methods of river water quality in China based on machine learning

Y Zhang, W Li, W Wen, F Zhuang, T Yu, L Zhang… - Science of The Total …, 2024‏ - Elsevier
The in-situ high-frequency monitoring of total nitrogen (TN) and total phosphorus (TP) in
rivers is a challenge and key to instant water quality judgment and early warning. Based on …

Inversion and monitoring of the TP concentration in Taihu Lake using the landsat-8 and sentinel-2 images

Y Liang, F Yin, D **e, L Liu, Y Zhang, T Ashraf - Remote Sensing, 2022‏ - mdpi.com
Eutrophication is a significant factor that damages the water ecosystem's species balance.
The total phosphorus (TP) concentration is a vital water quality indicator in assessing …

[HTML][HTML] Water Quality Inversion of a Typical Rural Small River in Southeastern China Based on UAV Multispectral Imagery: A Comparison of Multiple Machine …

Y Chen, K Yao, B Zhu, Z Gao, J Xu, Y Li, Y Hu, F Lin… - Water, 2024‏ - mdpi.com
Remote sensing technology applications for water quality inversion in large rivers are
common. However, their application to medium/small-sized water bodies within rural areas …

Improving the resolution of UAV-based remote sensing data of water quality of Lake Hachiroko, Japan by neural networks

K Matsui, H Shirai, Y Kageyama, H Yokoyama - Ecological Informatics, 2021‏ - Elsevier
Remote sensing techniques for periodically collecting global data have been widely used for
water quality monitoring. Satellites with a ground resolution of 10 to 30 m obtain information …

[HTML][HTML] Evaluating traditional empirical models and BPNN models in monitoring the concentrations of chlorophyll-A and total suspended particulate of eutrophic and …

B Jiang, H Liu, Q **ng, J Cai, X Zheng, L Li, S Liu… - Water, 2021‏ - mdpi.com
In order to use in situ sensed reflectance to monitor the concentrations of chlorophyll-a (Chl-
a) and total suspended particulate (TSP) of waters in the Pearl River Delta, which is featured …