相关实验视频
Updated: Jul 9, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.0K
一个综合的水库运营框架,用于加强水资源规划
Sonam Sandeep Dash1, Bhabagrahi Sahoo2, Narendra Singh Raghuwanshi3
1School of Civil Engineering, University College Dublin, Dublin, Ireland. ssdash@yahoo.com.
Scientific reports
|December 8, 2023
概括
气候变化影响水资源的可用性,需要适应性的水库运营. 使用SWAT,HEC-ResSim和GA的新框架在未来的不确定性下改善了水资源管理,提高了水库的可靠性.
科学领域:
- 环境科学 环境科学
- 水文学的水文学
- 水资源管理 水资源管理
背景情况:
- 气候变化改变了全球的水资源供应,挑战了现有的水基础设施设计标准.
- 当前的水库运行规则可能会变得过时,导致气候变化情景下的管理不善.
- 现有的模拟优化方案不足以应对水库运营中的气候变化不确定性.
研究的目的:
- 根据气候变化,确定当前水库运行规则的局限性.
- 制定一个修订后的,适应性的水库运营框架,以应对未来的供需不确定性.
- 整合环境流动评估,以改善水质和支持水生生态系统.
主要方法:
- 综合建模方法结合了用于水文学的土壤和水评估工具 (SWAT),用于液压的HEC-ResSim和用于优化的遗传算法 (GA).
- 开发一个适应性的水库运营框架,以应对未来的供需不确定性.
- 将一种新的环境流量评估方法纳入水库运行战略.
主要成果:
- 开发的SWAT-HEC-ResSim-GA框架有效地考虑了未来的供需不确定性.
- 适应性运行方案证明了康萨巴提水库的性能改善.
- 根据基线和未来气候场景 (RCP 4.5 和 8.5) 的时间和体积可靠性估计分别为0.631 和 0.736.
结论:
- 综合适应式水库运行框架为气候变化下的水资源管理提供了强大的解决方案.
- 该方法适用于复杂的水库流域控制区域的水文特征.
- 这种方法为应对全球水资源管理挑战提供了增强的水库规划能力.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
50
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...
50
Weir
46
A weir is a hydraulic structure designed to partially obstruct an open channel, enabling precise control and measurement of water flow. By forcing water to flow over or through it, a weir allows for accurate determination of discharge rates, making it an essential tool in water resource management. These structures are extensively used in regulating river flows, irrigation systems, and flood control channels.Types of Weirs and Their FeaturesWeirs are categorized primarily into sharp-crested and...
46
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
Rapidly Varying Flow
64
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...
64
Applications of GIS: Disaster Management and Emergency Response
88
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
88
Weir: Problem Solving
53
Water flow in open channels is often measured using hydraulic structures such as weirs, which allow precise calculation of discharge. In a rectangular channel, flow rates are measured using three types of weirs: rectangular sharp-crested, triangular sharp-crested, and broad-crested. The weir head is set at a fixed height above the channel bottom, simplifying calculations and enabling the relationship between depth and flow rate to be analyzed.For the rectangular sharp-crested weir, the flow...
53

