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相关概念视频

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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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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What is Climate?01:16

What is Climate?

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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.
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Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

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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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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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Global Climate Change01:50

Global Climate Change

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Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
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相关实验视频

Updated: Jul 19, 2025

A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant–Environment Interactions
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A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant–Environment Interactions

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可持续的灌和气候反.

Yi Yang1, Zhenong Jin2, Nathaniel D Mueller3,4

  • 1Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing, China.

Nature food
|August 17, 2023
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概括

农业灌有助于温室气体排放,而气候变化加剧了灌需求和影响. 本次审查强调了迫切需要可持续的灌实践来缓解这些相关挑战.

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The Calibration and Use of Capacitance Sensors to Monitor Stem Water Content in Trees
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Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity
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The Calibration and Use of Capacitance Sensors to Monitor Stem Water Content in Trees
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科学领域:

  • 环境科学 环境科学
  • 农业科学 农业科学
  • 气候科学 气候科学

背景情况:

  • 农业灌是温室气体 (GHG) 排放的重要来源,直接来自土壤,间接通过能源使用和基础设施开发.
  • 气候变化影响灌需求,水的可用性,以及用于灌的能源的温室气体强度.
  • 这些相互关联的因素在农业和气候系统中创造了复杂的反循环.

研究的目的:

  • 进行范围审查,综合有关农业灌和气候变化之间的联系的知识.
  • 详细阐述气候变化如何推动未来的灌扩张,并加强积极的反循环.
  • 强调迫切需要可持续的灌战略.

主要方法:

  • 采用了一种全面的范围审查方法.
  • 跨多个科学领域的知识被综合起来,以建立灌与气候的联系.
  • 重点是确定和分析反机制.

主要成果:

  • 审查证实,农业灌直接和间接地导致温室气体排放.
  • 气候变化正在越来越多地影响灌需求和水资源的可用性.
  • 在灌扩张和气候变化相互加强的地方存在强大的积极反循环.

结论:

  • 迫切需要在全球范围内促进和采用可持续的灌实践.
  • 具有强烈积极的灌气候反的地区需要特别注意.
  • 解决这些联系对于减缓气候变化和适应农业至关重要.