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関連する概念動画

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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Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

99
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...
99
Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

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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.
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Underflow Gates01:30

Underflow Gates

55
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...
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Responses to Salt Stress02:02

Responses to Salt Stress

13.1K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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関連する実験動画

Updated: Jul 5, 2025

Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity
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Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity

Published on: August 19, 2018

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太陽光発電による地下水灌によるリスク

Soumya Balasubramanya1, Dustin Garrick2,3, Nicholas Brozović4

  • 1Environment Global Practice, The World Bank, Washington, DC, USA.

Science (New York, N.Y.)
|January 18, 2024
PubMed
まとめ
この要約は機械生成です。

温室効果ガス排出量の削減は 目標に達しないかもしれません 地下水資源への依存が増加し,水資源の利用可能性に影響を及ぼすことが予想されています.

さらに関連する動画

Design and Construction of an Urban Runoff Research Facility
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Design and Construction of an Urban Runoff Research Facility

Published on: August 8, 2014

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Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
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Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Published on: May 15, 2017

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関連する実験動画

Last Updated: Jul 5, 2025

Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity
08:09

Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity

Published on: August 19, 2018

9.2K
Design and Construction of an Urban Runoff Research Facility
13:48

Design and Construction of an Urban Runoff Research Facility

Published on: August 8, 2014

13.1K
Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
08:49

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Published on: May 15, 2017

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科学分野:

  • 環境科学
  • 気候変動に関する研究
  • 水資源管理

背景:

  • 地球規模の気候変動は 排出量を大幅に削減する必要がある
  • 水資源は,人間の活動と気候の影響による圧力の増大に直面しています.

研究 の 目的:

  • 現在の排出削減戦略の予測効果を評価する.
  • 地下水の利用の将来の傾向を予測する.

主な方法:

  • 気候モデルと排出量データを分析する
  • 地下水の変化をシミュレートするための水学モデル.

主要な成果:

  • 計画されている排出量削減は,国際目標を満たす可能性は低い.
  • 地下水の抽出量は多くの地域で大幅に増加する見込みです.

結論:

  • 現在の気候政策は,望ましい排出量を達成するのに不十分かもしれません.
  • 地下水への依存度が高まることで 将来の水安全保障が脅かされるかもしれません