相关实验视频
Updated: Jun 3, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
7.9K
气候适应性最佳水资源管理:蒙内鲁河流域的多部门方法,印度
Eswar Sai Buri1, Venkata Reddy Keesara1, K N Loukika1
1Department of Civil Engineering, National Institute of Technology Warangal, India.
Journal of environmental management
|January 7, 2025
概括
气候变化影响水资源. 最佳水资源管理 (OWRM) 框架通过优化作物种植和水分配,提高了52.6%的农业收益,确保满足部门需求.
科学领域:
- 环境科学 环境科学
- 水资源管理 水资源管理
- 农业经济学 农业经济学
背景情况:
- 气候变化严重破坏了水的可用性,分配和质量,需要战略性水资源管理.
- 优化水资源分配对于平衡水资源稀缺地区的环境,社会和经济需求至关重要.
研究的目的:
- 开发和验证一个最佳水资源管理 (OWRM) 框架,以优化水分配和作物种植结构.
- 面对气候变化的影响,提高水资源效率并最大限度地提高经济回报.
主要方法:
- 在OWRM框架中,使用CROPWAT工具集成了部门水需求计算 (灌,家庭,畜牧业,工业) 和作物特定的水需求.
- 使用非主导排序基因算法-II (NSGA-II) 进行了优化,目标是公平性和经济价值,随后使用TOPSIS选择解决方案.
- 该框架应用于印度Munneru河流域的未来气候变化场景.
主要成果:
- 在模拟期 (2016-17年至2022-23年) 中,农业部门回报率平均年增长52.6%.
- 确保所有部门至少90%的供水,最佳作物模式导致收入大幅增加: 136.4% (2020-21),59.2% (2021-22),和74.7% (2022-23).
结论:
- OWRM框架有效地优化了水资源分配和作物选择,以提高经济回报和资源效率.
- 开发的方法为全球河流流域的气候适应性水资源管理提供了可转移的解决方案.
相关概念视频
Responses to Drought and Flooding
10.6K
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.
10.6K
Adaptations that Reduce Water Loss
25.1K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.1K
Design Example: Design of an Irrigation Channel
69
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...
69
The Water Cycle
24.1K
The Earth’s hydrosphere includes all of the areas where the storage and movement of water occurs. Since water is the basis of all living processes, the cycling of water is extremely important to ecosystem dynamics.
24.1K
What is Climate?
18.3K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
18.3K
Multiple Pipe Systems
409
Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
409

