评估地中海大片绿色屋顶中稳态水透率的短期和长期变化
C Bondì1, P Concialdi1, M Iovino1
1Dipartimento di Scienze Agrarie Alimentari e Forestali, Università degli Studi di Palermo, Italy.
Heliyon
|June 19, 2023
概括
绿色屋顶透率最初由于颗粒洗而增加,提高了拘留能力. 然而,这种效果在一个赛季后会降低,可能是由于根生长和疏水性.
科学领域:
- 环境科学 环境科学
- 水文学的水文学
- 绿色基础设施绿色基础设施
背景情况:
- 绿色屋顶的容量对于雨水管理至关重要.
- 越来越多的媒体的稳定状态透率影响了拘留能力.
- 了解基板的修改是优化绿色屋顶性能的关键.
研究的目的:
- 调查绿色屋顶拘留能力的短期和长期变化.
- 分析地中海绿色屋顶生长介质稳定状态透率的变化 (i).
- 评估运行时间对基板性能和透的影响.
主要方法:
- 在五年内进行了三次迷你磁盘透仪 (MDI) 测量活动.
- 进行了实验室实验,以测量在上下基板层的透.
- 在基板内评估散装密度和颗粒分布的变化.
主要成果:
- 现场透率 (i) 在第一季内显著增加 (2.4倍近和, 1.9倍准和).
- 实验室结果显示,由于增加包装和细颗粒丰富,下层 (3.4-5.3x) 的透率下降.
- 上层显示散装密度下降,而下层在模拟降雨后变得更加拥挤.
结论:
- 透的短期增加与细颗粒洗和上层基质层中散装密度降低有关.
- 透率在第一季后稳定,这表明洗/堵塞机制是完整的或被其他因素掩盖的.
- 根部发育和疏水性等长期因素可能会影响或抵消最初的透改善.
相关概念视频
Adaptations that Reduce Water Loss
25.8K
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.
25.8K
Regulation of Transpiration by Stomata
28.5K
During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.
28.5K
Responses to Drought and Flooding
10.8K
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.
10.8K
Regulation of Water Output
343
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...
343
Regulation of Water Intake
583
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
583
Cavity Drainage and Flashings in Masonry walls
113
Typically, a cavity wall consists of two wythes separated by a gap of at least 2 inches, which may contain insulation while still maintaining a minimum clear space of 1 inch to facilitate adequate drainage. Advanced methods like the insertion of a continuous drainage mat can further reduce this space while ensuring effective moisture expulsion.
Weep holes, strategically placed at the base of the cavity, are critical for draining accumulated water. These openings are created by leaving head...
Weep holes, strategically placed at the base of the cavity, are critical for draining accumulated water. These openings are created by leaving head...
113


