通过锁定机制解释了荷兰沿海风险管理中的适应差距
Bram De Botselier1, Lisanne Groen2,3, Jean Hugé2,4,5,6,7
1Flemish Energy and Climate Agency, Brussels, Belgium.
概括
荷兰的沿海风险管理,包括三角洲计划,面临着气候适应差距,由于适应锁定,无法确保2050年以后的洪水安全. 需要进一步的研究来克服这些障碍.
科学领域:
- 环境科学 环境科学
- 适应气候变化 适应气候变化
- 风险管理 风险管理
背景情况:
- 荷兰在国家防洪安全方面采用了"三角洲计划".
- 最近的证据强调了长期海平面上升的风险.
- 现有的战略可能无法充分应对未来的威胁.
研究的目的:
- 在海平面上升的背景下调查荷兰沿海风险管理.
- 识别和解释当前战略中的气候适应差距.
- 将"适应锁定"框架应用于荷兰海岸防御.
主要方法:
- 政策文件和二次文献的定性分析.
- 与沿海风险管理专家进行半结构面试.
- "适应锁定"框架的应用.
主要成果:
- "三角洲计划"的防洪措施在2050年以后还不够,这表明气候适应差距很大.
- 几个适应锁定机制导致荷兰沿海风险管理的停滞.
- 确定了新的锁定类型,提高了对锁定概念的概念理解.
结论:
- 荷兰沿海风险管理由于已识别的锁定机制而表现出适应差距.
- 这些发现与即将到来的2027年三角洲计划修订有关.
- 未来的研究应该探索锁定和克服它们的策略的变化.
相关概念视频
Adaptations that Reduce Water Loss
26.4K
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.
26.4K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
108
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...
108
Design Example: Creating a Hydraulic Model of a Dam Spillway
338
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.
338
Design Example: Maintaining Level of an Embankment
133
Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
133
Responses to Drought and Flooding
11.1K
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.
11.1K
Natural Selection and Adaptation
457
Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations,...
Beyond physical adaptations,...
457


