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9,138 Results Found

  • Article
  • Open Access
13 Citations
5,366 Views
22 Pages

Small Water Body Detection and Water Quality Variations with Changing Human Activity Intensity in Wuhan

  • Lingjun Wang,
  • Wanjuan Bie,
  • Haocheng Li,
  • Tanghong Liao,
  • Xingxing Ding,
  • Guofeng Wu and
  • Teng Fei

2 January 2022

Small water bodies ranging in size from 1 to 50,000 m2, are numerous, widely distributed, and have various functions in water storage, agriculture, and fisheries. Small water bodies used for agriculture and fisheries are economically significant in C...

  • Article
  • Open Access
102 Citations
19,832 Views
17 Pages

An Effective Water Body Extraction Method with New Water Index for Sentinel-2 Imagery

  • Wei Jiang,
  • Yuan Ni,
  • Zhiguo Pang,
  • Xiaotao Li,
  • Hongrun Ju,
  • Guojin He,
  • Juan Lv,
  • Kun Yang,
  • June Fu and
  • Xiangdong Qin

11 June 2021

Surface water bodies, such as rivers, lakes, and reservoirs, play an irreplaceable role in global ecosystems and climate systems. Sentinel-2 imagery provides new high-resolution satellite remote sensing data. Based on the analysis of the spectral cha...

  • Article
  • Open Access
332 Views
18 Pages

Water-Body Detection from SAR Images Using Connectivity Refinement Network

  • Zile Gao,
  • Jinkai Sun,
  • Puyan Xu,
  • Lin Wu,
  • Yabo Huang,
  • Ning Li,
  • Zhuang Zhu and
  • Qianchao Pu

27 November 2025

Synthetic aperture radar (SAR) is an active microwave imaging system equipped with penetration capability, enabling all-time and all-weather Earth observation, and demonstrates significant advantages in large-scale surface water-body detection. Altho...

  • Article
  • Open Access
11 Citations
4,106 Views
22 Pages

Airborne GNSS Reflectometry for Water Body Detection

  • Hamza Issa,
  • Georges Stienne,
  • Serge Reboul,
  • Mohamad Raad and
  • Ghaleb Faour

31 December 2021

This article is dedicated to the study of airborne GNSS-R signal processing techniques for water body detection and edge localization using a low-altitude airborne carrier with high rate reflectivity measurements. A GNSS-R setup on-board a carrier wi...

  • Article
  • Open Access
1,693 Views
11 Pages

Olympic Italian Female Water Polo Players: Analysis of Body Size and Body Composition Data over 20 Years

  • Giovanni Melchiorri,
  • Marco Bonifazi,
  • Maria Rosaria Squeo,
  • Raffaella Spada,
  • Virginia Tancredi and
  • Valerio Viero

Background: The variation in the body mass and height of players over time is called the secular trend. It has been analyzed in several team sports, but no similar studies have been conducted on female athletes playing water polo. The aim of this pap...

  • Article
  • Open Access
11 Citations
3,413 Views
19 Pages

OCNet-Based Water Body Extraction from Remote Sensing Images

  • Yijie Weng,
  • Zongmei Li,
  • Guofeng Tang and
  • Yang Wang

12 October 2023

Water body extraction techniques from remotely sensed images are crucial in water resources distribution studies, climate change studies and other work. The traditional remote sensing water body extraction has the problems of low accuracy and being t...

  • Article
  • Open Access
13 Citations
9,108 Views
24 Pages

A New and Robust Index for Water Body Extraction from Sentinel-2 Imagery

  • Zhenfeng Su,
  • Longwei Xiang,
  • Holger Steffen,
  • Lulu Jia,
  • Fan Deng,
  • Wenliang Wang,
  • Keyu Hu,
  • Jingjing Guo,
  • Aile Nong and
  • Peng Gao
  • + 1 author

27 July 2024

Land surface water is a key part in the global ecosystem balance and hydrological cycle. Remote sensing has become an effective tool for its spatio-temporal monitoring. However, remote sensing results exemplified in so-called water indices are subjec...

  • Article
  • Open Access
35 Citations
7,597 Views
20 Pages

Unsupervised Sub-Pixel Water Body Mapping with Sentinel-3 OLCI Image

  • Xia Wang,
  • Feng Ling,
  • Huaiying Yao,
  • Yaolin Liu and
  • Shuna Xu

7 February 2019

Mapping land surface water bodies from satellite images is superior to conventional in situ measurements. With the mission of long-term and high-frequency water quality monitoring, the launch of the Ocean and Land Colour Instrument (OLCI) onboard Sen...

  • Article
  • Open Access
13 Citations
3,873 Views
19 Pages

Study on the Microclimate Effect of Water Body Layout Factors on Campus Squares

  • Han Xu,
  • Xinya Lin,
  • Ying Lin,
  • Guorui Zheng,
  • Jianwen Dong and
  • Minhua Wang

Quantifying the water layout factors in a campus square helps to lay out water bodies more scientifically and utilize the microclimate effect to alleviate the heat and humidity of campus squares in summer. The West Gate Square of Fujian Agriculture a...

  • Article
  • Open Access
37 Citations
10,192 Views
12 Pages

Influence of Water Intake and Balance on Body Composition in Healthy Young Adults from Spain

  • Ana Isabel Laja García,
  • Carmen Moráis-Moreno,
  • Mª de Lourdes Samaniego-Vaesken,
  • Ana M. Puga,
  • Teresa Partearroyo and
  • Gregorio Varela-Moreiras

15 August 2019

The increasing prevalence of overweight and obesity has become an epidemic public health problem worldwide. In the last years, several investigations have suggested that water intake and retention could have important implications for both weight man...

  • Review
  • Open Access
85 Citations
12,068 Views
24 Pages

Water-Body Segmentation for SAR Images: Past, Current, and Future

  • Zhishun Guo,
  • Lin Wu,
  • Yabo Huang,
  • Zhengwei Guo,
  • Jianhui Zhao and
  • Ning Li

6 April 2022

Synthetic Aperture Radar (SAR), as a microwave sensor that can sense a target all day or night under all-weather conditions, is of great significance for detecting water resources, such as coastlines, lakes and rivers. This paper reviews literature p...

  • Article
  • Open Access
689 Views
31 Pages

Research on the Impact of Landscape Pattern in Haikou City on Urban Water Body Quality

  • Yingping Zhong,
  • Yunxia Du,
  • Ya Huang,
  • Shusong Huang and
  • Jing Pu

10 October 2025

In the rapid development process of cities, as important ecological corridors and landscape carriers, the water quality conditions of urban water bodies are not only related to the health of the ecological environment, but also closely linked to the...

  • Article
  • Open Access
7 Citations
2,902 Views
20 Pages

5 January 2023

Due to potential pressure from industrial and municipal activities, urban water bodies are at risk of not achieving the environmental objectives of the Water Framework Directive (WFD) by 2027. This study comprised the quality assessment of water body...

  • Communication
  • Open Access
10 Citations
4,466 Views
16 Pages

Water-Body Detection in Sentinel-1 SAR Images with DK-CO Network

  • Youping Xie,
  • Haibo Zeng,
  • Kaijun Yang,
  • Qiming Yuan and
  • Chao Yang

Synthetic Aperture Radar (SAR) is an active microwave sensor with all-day/night and all-weather detection capability, which is crucial for detecting surface water resources. Surface water-body such as rivers, lakes, reservoirs, and ponds usually appe...

  • Article
  • Open Access
1 Citations
1,935 Views
16 Pages

7 August 2025

Synthetic Aperture Radar (SAR) technology has the characteristics of all-day and all-weather functionality; accordingly, it is not affected by rainy weather, overcoming the limitations of optical remote sensing, and it provides irreplaceable technica...

  • Article
  • Open Access
10 Citations
4,229 Views
14 Pages

8 February 2021

Insufficient water intake may affect body composition. The purpose of this research was to explore the effects of water restriction and replenishment on body composition and to evaluate the optimum amount of water that improves body composition. A to...

  • Letter
  • Open Access
2 Citations
2,915 Views
11 Pages

15 October 2020

A water body detection technique is an essential part of digital elevation model (DEM) generation to delineate land–water boundaries and to set flattened elevations. The initial tile-based water body data that are created during production of t...

  • Article
  • Open Access
2 Citations
3,579 Views
16 Pages

26 May 2025

Background/Objectives: Aging is a natural, gradual, and irreversible process associated with disruptions in homeostasis, causing several unfavorable changes, including changes in body composition. Some studies show that higher water intake can be rel...

  • Communication
  • Open Access
4 Citations
3,406 Views
12 Pages

8 September 2022

Freely available satellite imagery from the EU Copernicus program can record water surfaces precisely and at high temporal resolution. This paper provides the development status of the open-source demo software “WaterMaskAnalyzer” (WMA) f...

  • Article
  • Open Access
8 Citations
2,906 Views
17 Pages

15 January 2023

Water resources are important strategic resources related to human survival and development. Water body extraction from remote sensing images is a very important research topic for the monitoring of global and regional surface water changes. Deep lea...

  • Review
  • Open Access
85 Citations
14,883 Views
48 Pages

21 March 2022

Water features (e.g., water quantity and water quality) are one of the most important environmental factors essential to improving climate-change resilience. Remote sensing (RS) technologies empowered by artificial intelligence (AI) have become one o...

  • Article
  • Open Access
18 Citations
4,197 Views
20 Pages

17 September 2020

Water body mapping is significant for water resource management. In the view of 21 spectral bands and a short revisit time of no more than two days, a Sentinel-3 OLCI (Ocean and Land Colour Instrument) image could be the optimum data source in the ne...

  • Article
  • Open Access
11 Citations
2,737 Views
19 Pages

7 October 2022

Extracting water bodies is an important task in remote sensing imagery (RSI) interpretation. Deep convolution neural networks (DCNNs) show great potential in feature learning; they are widely used in the water body interpretation of RSI. However, the...

  • Article
  • Open Access
285 Views
23 Pages

A Circuit Model of a Charged Water Body Based on the Fractional Order Resistance-Capacitance Network

  • Shisheng Liu,
  • Yonghao Zeng,
  • Weijia Zheng,
  • Weijian Lin and
  • Meijin Lin

10 October 2025

Designing an effective electrical model for charged water bodies is of great significance in reducing the risk of electric shock in water and enhancing the safety and reliability of electrical equipment. Aiming to resolve the problems faced in using...

  • Article
  • Open Access
18 Citations
4,457 Views
21 Pages

24 January 2019

Water body extraction is a hot research topic in remote sensing applications. Using panchromatic optical remote sensing images to extract water bodies is a challenging task, because these images have one level of gray information, variable imaging co...

  • Article
  • Open Access
203 Views
22 Pages

7 January 2026

Eutrophication driven by algal blooms underscores the need for reliable chlorophyll-a (Chl-a) monitoring. Multi-source remote sensing, integrating Sentinel-2 multispectral and UAV hyperspectral data, provides complementary information but its applica...

  • Article
  • Open Access
23 Citations
10,891 Views
20 Pages

Identification of Water Body Extent Based on Remote Sensing Data Collected with Unmanned Aerial Vehicle

  • Przemysław Tymków,
  • Grzegorz Jóźków,
  • Agata Walicka,
  • Mateusz Karpina and
  • Andrzej Borkowski

16 February 2019

The paper presents an efficient methodology of water body extent estimation based on remotely sensed data collected with UAV (Unmanned Aerial Vehicle). The methodology includes the data collection with selected sensors and processing of remotely sens...

  • Article
  • Open Access
5 Citations
55,526 Views
11 Pages

29 September 2021

This study aimed to compare the physiologic effects of regular water consumption to those of electrolyte drink consumption in exercise capacity and recovery after exhaustive exercise. The participants were 10 healthy young men who exercised on a trea...

  • Article
  • Open Access
1 Citations
1,626 Views
29 Pages

Deep Learning Small Water Body Mapping by Transfer Learning from Sentinel-2 to PlanetScope

  • Yuyang Li,
  • Pu Zhou,
  • Yalan Wang,
  • Xiang Li,
  • Yihang Zhang and
  • Xiaodong Li

7 August 2025

Small water bodies are widely spread and play crucial roles in supporting regional agricultural and aquaculture activities. PlanetScope imagery has a high resolution (3 m) with daily global coverage and has obviously enhanced small water body mapping...

  • Article
  • Open Access
67 Citations
7,316 Views
20 Pages

13 May 2021

Extracting water-bodies accurately is a great challenge from very high resolution (VHR) remote sensing imagery. The boundaries of a water body are commonly hard to identify due to the complex spectral mixtures caused by aquatic vegetation, distinct l...

  • Article
  • Open Access
347 Views
19 Pages

Domain-Adaptive Segment Anything Model for Cross-Domain Water Body Segmentation in Satellite Imagery

  • Lihong Yang,
  • Pengfei Liu,
  • Guilong Zhang,
  • Huaici Zhao and
  • Chunyang Zhao

9 December 2025

Monitoring surface water bodies is crucial for environmental protection and resource management. Existing segmentation methods often struggle with limited generalization across different satellite domains. We propose DASAM, a domain-adaptive Segment...

  • Technical Note
  • Open Access
33 Citations
5,115 Views
14 Pages

23 August 2022

The rapid, accurate extraction of water body information is critical for water resource management and disaster assessment. Its data foundation was mostly provided by remote sensing images through deep learning methods. However, the methods still req...

  • Article
  • Open Access
4 Citations
2,205 Views
23 Pages

Chongming Island and its surrounding areas are highly significant coastal regions in China. However, the regions undergo continuous changes owing to various factors, such as the sedimentation from the Yangtze River, human activities, and tidal moveme...

  • Article
  • Open Access
18 Citations
6,971 Views
18 Pages

24 February 2023

A common task in land-cover classification is water body extraction, wherein each pixel in an image is labelled as either water or background. Water body detection is integral to the field of urban hydrology, with applications ranging from early floo...

  • Article
  • Open Access
7 Citations
3,061 Views
19 Pages

Boundary-Guided Semantic Context Network for Water Body Extraction from Remote Sensing Images

  • Jie Yu,
  • Yang Cai,
  • Xin Lyu,
  • Zhennan Xu,
  • Xinyuan Wang,
  • Yiwei Fang,
  • Wenxuan Jiang and
  • Xin Li

1 September 2023

Automatically extracting water bodies is a significant task in interpreting remote sensing images (RSIs). Convolutional neural networks (CNNs) have exhibited excellent performance in processing RSIs, which have been widely used for fine-grained extra...

  • Article
  • Open Access
54 Citations
5,735 Views
11 Pages

Extracellular Water to Total Body Water Ratio in Viral Liver Diseases: A Study Using Bioimpedance Analysis

  • Hiroki Nishikawa,
  • Kazunori Yoh,
  • Hirayuki Enomoto,
  • Noriko Ishii,
  • Yoshinori Iwata,
  • Chikage Nakano,
  • Ryo Takata,
  • Takashi Nishimura,
  • Nobuhiro Aizawa and
  • Shuhei Nishiguchi
  • + 5 authors

12 August 2018

Aims: To investigate the relationship between extracellular water to total body water ratio (ECW/TBW) in bioimpedance analysis (BIA) and clinical parameters in hepatitis viruses related to liver diseases. Methods: ECW/TBW was compared in patients wit...

  • Article
  • Open Access
16 Citations
5,290 Views
16 Pages

In-Water Fish Body-Length Measurement System Based on Stereo Vision

  • Minggang Zhou,
  • Pingfeng Shen,
  • Hao Zhu and
  • Yang Shen

12 July 2023

Fish body length is an essential monitoring parameter in aquaculture engineering. However, traditional manual measurement methods have been found to be inefficient and harmful to fish. To overcome these shortcomings, this paper proposes a non-contact...

  • Technical Note
  • Open Access
13 Citations
4,780 Views
17 Pages

Technical Methodology for ASTER Global Water Body Data Base

  • Hiroyuki Fujisada,
  • Minoru Urai and
  • Akira Iwasaki

22 November 2018

A waterbody detection technique is an essential part of a digital elevation model (DEM) generation to delineate land–water boundaries and set flattened elevations. This paper describes the technical methodology for improving the initial tile-ba...

  • Article
  • Open Access
85 Citations
6,306 Views
19 Pages

18 December 2020

Lake water body extraction from remote sensing images is a key technique for spatial geographic analysis. It plays an important role in the prevention of natural disasters, resource utilization, and water quality monitoring. Inspired by the recent ye...

  • Article
  • Open Access
658 Views
20 Pages

18 September 2025

The accurate and efficient acquisition of the spatiotemporal distribution of surface water is of vital importance for water resource utilization, flood monitoring, and environmental protection. However, deep learning models often suffer from two majo...

  • Article
  • Open Access
33 Citations
4,971 Views
21 Pages

7 November 2021

Rapid and accurate extraction of water bodies from high-spatial-resolution remote sensing images is of great value for water resource management, water quality monitoring and natural disaster emergency response. For traditional water body extraction...

  • Article
  • Open Access
20 Citations
3,876 Views
14 Pages

21 September 2022

Sarcopenic obesity is a new category of obesity and is a specific condition of sarcopenia. This study aimed to find the relationship of the basal metabolic rate (BMR) and body water distribution with muscle health and their prospective roles in scree...

  • Article
  • Open Access
15 Citations
4,800 Views
25 Pages

DUPnet: Water Body Segmentation with Dense Block and Multi-Scale Spatial Pyramid Pooling for Remote Sensing Images

  • Zhiheng Liu,
  • Xuemei Chen,
  • Suiping Zhou,
  • Hang Yu,
  • Jianhua Guo and
  • Yanming Liu

4 November 2022

Water body segmentation is an important tool for the hydrological monitoring of the Earth. With the rapid development of convolutional neural networks, semantic segmentation techniques have been used on remote sensing images to extract water bodies....

  • Article
  • Open Access
34 Citations
6,526 Views
22 Pages

11 September 2018

Water molecules play an important role in modeling protein-ligand interactions. However, traditional molecular docking methods often ignore the impact of the water molecules by removing them without any analysis or keeping them as a static part of th...

  • Article
  • Open Access
51 Citations
7,424 Views
21 Pages

6 August 2021

Driven by the urgent demand for flood monitoring, water resource management and environmental protection, water-body detection in remote sensing imagery has attracted increasing research attention. Deep semantic segmentation networks (DSSNs) have gra...

  • Technical Note
  • Open Access
47 Citations
5,921 Views
12 Pages

23 June 2022

Water, as an important part of ecosystems, is also an important topic in the field of remote sensing. Shadows and dense vegetation negatively affect most traditional methods used to extract water body information from remotely sensed images. As a res...

  • Article
  • Open Access
1 Citations
2,827 Views
18 Pages

Water Body Detection Using Sentinel-2 Imagery Through Particle Swarm Intelligence: A Novel Framework for Optimizing Spectral Multi-Band Index

  • Baydaa Ismail Abrahim,
  • Ammar Abd Jasim,
  • Mohammed Riyadh Mahmood,
  • Hassanein Riyadh Mahmood,
  • Hayder A. Alalwan and
  • Malik M. Mohammed

20 March 2025

Water body detection from satellite imagery is still challenging due to spectral confusion and the limitation of traditional water indices. This paper proposes a new approach by incorporating Particle Swarm Optimization with a Spectral Multi-Band Wat...

  • Article
  • Open Access
20 Citations
3,189 Views
18 Pages

MSAFNet: Multiscale Successive Attention Fusion Network for Water Body Extraction of Remote Sensing Images

  • Xin Lyu,
  • Wenxuan Jiang,
  • Xin Li,
  • Yiwei Fang,
  • Zhennan Xu and
  • Xinyuan Wang

15 June 2023

Water body extraction is a typical task in the semantic segmentation of remote sensing images (RSIs). Deep convolutional neural networks (DCNNs) outperform traditional methods in mining visual features; however, due to the inherent convolutional mech...

  • Article
  • Open Access
26 Citations
4,957 Views
23 Pages

29 March 2023

The accurate monitoring of long-term spatial and temporal changes in open-surface water bodies offers important guidance for water resource security and management. In the middle and lower reaches of the Yangtze River, the monitoring of water body ch...

  • Article
  • Open Access
4 Citations
2,015 Views
25 Pages

TSAE-UNet: A Novel Network for Multi-Scene and Multi-Temporal Water Body Detection Based on Spatiotemporal Feature Extraction

  • Shuai Wang,
  • Yu Chen,
  • Yafei Yuan,
  • Xinlong Chen,
  • Jinze Tian,
  • Xiaolong Tian and
  • Huibin Cheng

15 October 2024

The application of remote sensing technology in water body detection has become increasingly widespread, offering significant value for environmental monitoring, hydrological research, and disaster early warning. However, the existing methods face ch...

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