Results 11 to 20 of about 921,741 (273)

Combinaison de modèles de bilan hydrique et d’indicateurs de stress hydrique pour le pilotage de l’irrigation : étude de cas au Portugal [PDF]

Sciences, Eaux & Territoires, 2020
Après avoir présenté le contexte de l’irrigation au Portugal, les auteurs de cet article examinent la robustesse de deux approches et leur combinaison afin de mieux programmer les campagnes d’irrigation à l’échelle de la parcelle.
FERREIRA, Maria Isabel, CARRILHO, Vasco, CONCEIÇÃO, Nuno, LOURENÇO, Sonia, LOURENÇO, Sonia   +4 more
doaj  

Seeing the Forest for the Trees: Scaling Analysis of Energy in Great Lakes Water Supplies [PDF]

Environmental Science & Technology, 54(8), 5071-5080 (2020), 2020
Resource-scale quantification of energy in water supplies is a basis for regional-scale governance of water systems and national- and global-scale assessments of the "water-energy-emission" nexus. But a physically based approach for this quantification remains lacking.
arxiv   +1 more source

A Study on the Response of Surface Water and Groundwater Interaction to River Runoff in the Taoer River Alluvial Fan [PDF]

E3S Web of Conferences
Understanding the transformation mechanisms of surface water and groundwater positively impacts the rational utilization of water resources and the more scientific allocation of their uses.
Meng Fanao, Shao Wenbin
doaj   +1 more source

Analysis of sediment variation and influencing factors in the upper Yangtze River in the past 50 years, China

Water Supply, 2022
River sediment load has a profound impact on river geomorphology and river ecosystems. We selected sediment load data from 1965 to 2019 from three key hydrological stations in the upper reaches of the Yangtze River: Pingshan, Cuntan, and Yichang. We have
Wenxian Guo, Xuyang Jiao, Lintong Huang, Haotong Zhou, Ruichao Zhao, Hongxiang Wang   +5 more
doaj   +1 more source

A hybrid variational mode decomposition and sparrow search algorithm-based least square support vector machine model for monthly runoff forecasting

Water Supply, 2022
Monthly runoff forecasting has always been a key problem in water resources management. As a data-driven method, the least square support vector machine (LSSVM) method has been investigated by numerous studies in runoff forecasting.
Bao-Jian Li, Guo-Liang Sun, Yu-Peng Li, Xiao-Li Zhang, Xu-Dong Huang   +4 more
doaj   +1 more source

COMP Report: CPQR technical quality control guidelines for use of positron emission tomography/computed tomography in radiation treatment planning

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Positron emission tomography with x‐ray computed tomography (PET/CT) is increasingly being utilized for radiation treatment planning (RTP). Accurate delivery of RT therefore depends on quality PET/CT data. This study covers quality control (QC) procedures required for PET/CT for diagnostic imaging and incremental QC required for RTP.
Ran Klein, Mike Oliver, Dan La Russa, John Agapito, Stewart Gaede, JeanPierre Bissonnette, Arman Rahmim, Carlos Uribe   +7 more
wiley   +1 more source

Study on reservoir optimal operation based on coupled adaptive ε constraint and multi strategy improved Pelican algorithm

Scientific Reports, 2023
The optimal operation of reservoir groups is a strongly constrained, multi-stage, and high-dimensional optimization problem. In response to this issue, this article couples the standard Pelican optimization algorithm with adaptive ε constraint methods ...
Ji He, Xiaoqi Guo, Songlin Wang, Haitao Chen, Fu-Xin Chai   +4 more
doaj   +1 more source

Forecasting of runoff in the lower Yellow River based on the CEEMDAN–ARIMA model

Water Supply, 2023
Runoff is one of the important hydrological variables of rivers, and its accurate prediction can provide a reliable basis for water resources system characterization and efficient utilization.
Minghui Zhang, Xianqi Zhang, Wenbao Qiao, Yaohui Lu, Haiyang Chen   +4 more
doaj   +1 more source

AquaFeL-PSO: A Monitoring System for Water Resources using Autonomous Surface Vehicles based on Multimodal PSO and Federated Learning [PDF]

arXiv, 2022
The preservation, monitoring, and control of water resources has been a major challenge in recent decades. Water resources must be constantly monitored to know the contamination levels of water. To meet this objective, this paper proposes a water monitoring system using autonomous surface vehicles, equipped with water quality sensors, based on a ...
arxiv  

Clinical commissioning of an adaptive radiotherapy platform: Results and recommendations

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Online adaptive radiotherapy platforms present a unique challenge for commissioning as guidance is lacking and specialized adaptive equipment, such as deformable phantoms, are rare. We designed a novel adaptive commissioning process consisting of end‐to‐end tests using standard clinical resources.
Kelly Kisling, Timothy D. Keiper, Daniela Branco, Grace Gwe‐Ya Kim, Kevin L Moore, Xenia Ray   +5 more
wiley   +1 more source