関連する実験動画
Updated: Sep 10, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.1K
アラブ半島における持続可能な洪水管理のための極端な気候モデリングの枠組み
Hadi Karimi1, Mohamed Sultan1, Eugene Yan2
1Department of Geological and Environmental Sciences, Western Michigan University, Kalamazoo, MI, 49008, USA.
Journal of environmental management
|August 24, 2025
まとめ
この研究は,極端な降水事件 (EPE) と未開採の盆地での洪水リスクを評価するための衛星ベースの枠組みを提示しています. 将来の気候シナリオでは,EPEの強度と洪水のリスクが増加し,同時に充電の可能性も強調されています.
科学分野:
- 水学
- 気候科学
- リモートセンシング
背景:
- 極端な降水現象 (EPE) は水管理に不可欠ですが,未開採の盆地では評価が困難です.
- 気候変動に耐える戦略を策定するには 洪水のリスクと水資源の評価に 信頼できる方法が必要です
研究 の 目的:
- EPEと未採掘の盆地での洪水リスクの評価のための費用対効果の高い衛星ベースの枠組みを開発し,検証する.
- 現在と将来の洪水リスクと,異なる気候シナリオの下での地下水の充填の可能性を評価する.
主な方法:
- GPM/IMERGの降雨データを用いてEPEの値を設定した.
- Sentinel-2とPlanetScopeの画像を用いて2D水力学モデル (RiverFlow2D) を校正し,検証した.
- 気候シナリオ分析のためにGRACEデータとバイアス修正CMIP6予測を使用した.
主要な成果:
- 22.5mmのEPEの値を特定し,歴史的な洪水事件を正確にモデル化しました.
- 様々な気候シナリオ (SSP2-4.5,SSP5-8.5) で 2100年までにEPEの強度が34%から48%増加すると予測されています.
- 地下水の再充填の可能性とともに 洪水のリスクが高まっていることが示されています
結論:
- 開発されたフレームワークは,データ不足の乾燥地域における気候に配慮した水管理のための移行可能な解決策を提供します.
- EPEの強化には適応戦略が必要ですが,貯水による水資源管理の機会も提供されます.
さらに関連する動画
関連する概念動画
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
101
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...
101
Responses to Drought and Flooding
10.9K
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.
10.9K
What is Climate?
18.8K
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.
18.8K
Global Climate Change
24.7K
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.
24.7K
Applications of GIS: Disaster Management and Emergency Response
150
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
150
Modeling and Similitude
329
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
329

