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相关概念视频

Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

132
Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
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Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

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Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
217
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

71
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...
71
Conservation of Mass in Moving, Nondeforming Control Volume01:14

Conservation of Mass in Moving, Nondeforming Control Volume

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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...
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Responses to Drought and Flooding02:41

Responses to Drought and Flooding

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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
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Regulation of Water Output01:26

Regulation of Water Output

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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...
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相关实验视频

Updated: Jul 19, 2025

A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs
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Published on: January 26, 2018

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基于深度强化学习的水分转移战略.

Qingsong Jiang1, Jincheng Li1, Yanxin Sun1

  • 1State Environmental Protection Key Laboratory of All Materials Flux in River Ecosystems, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, PR China.

Environmental science and ecotechnology
|August 9, 2023
PubMed
概括
此摘要是机器生成的。

动态水分转移优化 (DWDO) 通过降低营养水平,显著改善了环氧化的湖泊水质. 这种新的方法还大幅减少了75%的水分转移量,提供了更可持续的解决方案.

关键词:
深度强化学习的学习.动态转水优化优化 动态转水优化可以解释的决策.参数不确定性 参数不确定性基于过程的模型模型.

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科学领域:

  • 环境科学 环境科学
  • 水资源管理 水资源管理
  • 人工智能的人工智能

背景情况:

  • 欧湖由于营养物质过多而导致水质不佳.
  • 水分流是用来改善湖水质量的,但优化它是具有挑战性的.
  • 将改善水质与最大限度地减少转水量之间的平衡是一个关键问题.

研究的目的:

  • 开发和验证一个动态水分转移优化 (DWDO) 方法.
  • 改善优质湖泊的水质,同时最大限度地减少水分的转移.
  • 确定影响最佳水分转移策略的因素.

主要方法:

  • 一个全面的水质模型与一个深度强化学习算法集成.
  • 该DWDO方法在中国迪安奇湖的一个地区得到了应用和验证.
  • 可解释机器学习被用来分析各种因素对转移的影响.

主要成果:

  • 在迪安基湖,DWDO减少了7%的总和6%的总.
  • 与以前的运营相比,每年转水量减少了75%.
  • 气象指标和源/湖水质量被确定为关键影响因素.

结论:

  • DWDO提供了一种有效的策略,以改善缩湖水质量并减少水分的转移.
  • 该方法提供了基于多个因素的实时调整水分流的见解.
  • 水质管理局 (DWDO) 展示了水质管理决策的稳定性和潜力.