相关实验视频
Updated: Jul 18, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.1K
一个基于市场的实时框架,用于盆地范围的地表水定价和分配,考虑到可用水的不确定性
Sajad Vahedizade1, Omid Emamjomehzadeh2, Reza Kerachian3
1Research Associate, Department of Civil Environmental and Geo-Engineering and the Saint Anthony Falls Laboratory, University of Minnesota, Minneapolis, MN, USA.
Journal of environmental management
|August 21, 2023
概括
本研究介绍了一个智能水市场框架,用于管理水资源短缺. 实时季节性方法改善了水分配和用户利益,解决了干旱期间的市场故障.
科学领域:
- 环境经济学环境经济学
- 水资源管理 水资源管理
- 农业工程 农业工程
背景情况:
- 基于市场的水资源重新分配方法面临挑战,因为水资源的可用性不确定,特别是在干旱期间.
- 现有的水市场难以适应不断波动的水资源,导致潜在的市场失败和减少用户利益.
研究的目的:
- 提出一个新的实时季节性智能水市场框架,用于高效地表水定价和分配.
- 增强水市场对水供应不确定性的弹性,并改善用户的经济成果.
主要方法:
- 开发了一个整合水库水分配优化模型的框架.
- 利用基于自适应神经模糊推理系统 (ANFIS) 的每月河流排放预测,以改善招标协助.
- 实施了季节性市场管理方法,并更新了可用水信息.
主要成果:
- 拟议的框架将Gorganrood河流域的用户利益从721亿里亚尔增加到1050亿里亚尔.
- 与传统的年度水市场相比,证明了更高的效率.
- 能够发现特定时间和地点的水价格和分配.
结论:
- 智能水市场框架有效地减轻了水供应不确定性的不利影响.
- 该框架增强了用户的利益,并促进了水资源利用的更高效率.
- 在定价和分配方面为水务部门的利益相关者提供了宝贵的决策支持.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
70
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
70
Rapidly Varying Flow
96
Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
96
Underflow Gates
78
Underflow gates are vital for controlling water flow in irrigation canals. The three main types of underflow gates — vertical, radial, and drum gates — serve different purposes while ensuring effective flow management. Vertical gates move up and down, generating a free-flowing water jet; radial gates pivot to regulate the flow; and drum gates rotate for precise adjustments. The flow through these gates is influenced by downstream conditions, resulting in free or drowned outflow.Free and...
78
Regulation of Water Output
335
The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
335
Conservation of Mass in Moving, Nondeforming Control Volume
1.1K
Stormwater detention basins are essential in managing runoff during heavy rainfall, particularly in urban areas where impervious surfaces increase the risk of flooding. Understanding the conservation of mass in these systems allows engineers to optimize basin performance, balancing inflow, outflow, and water storage.
In the context of a detention basin, the conservation of mass states that the total mass of water entering the basin must equal the mass leaving the basin plus any accumulation of...
In the context of a detention basin, the conservation of mass states that the total mass of water entering the basin must equal the mass leaving the basin plus any accumulation of...
1.1K
Quality of Water
125
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...
125

