イエメンとウクライナの紛争の強度とインフラ回復の代理として夜間照明
Research square
|February 12, 2026
まとめ
夜間照明 (NTL) は,紛争の影響とインフラの回復を追跡する新しい方法を提供し,従来の方法を補完します. この衛星データは,紛争のダイナミクスを理解するのに役立ち,公衆衛生の流行病学的な応用があります.
科学分野:
- 地理空間分析とは
- エピデミオロジー エピデミオロジー
- 紛争に関する研究.
背景:
- 伝統的な紛争測定ツールは,報告不足や短いタイムシリーズなどの制限に直面しています.
- これらの方法は,公衆衛生にとって不可欠なインフラストラクチャの回復を捉えるのにしばしば失敗します.
- ナイトタイムライト (NTL) は,紛争分析のための潜在的な補完的なデータソースです.
研究 の 目的:
- 紛争のダイナミクスとインフラストラクチャの回復を測定するための夜間照明 (NTL) の有用性を実証する.
- 紛争地域におけるNTLデータの疫学的な応用を探求する.
- 既存の紛争測定方法の補完的なツールとしてNTLを評価する.
主な方法:
- イエメン (2012-2022) とウクライナ (2019-2024) のNASAブラックマーブル夜間照明 (NTL) データを活用した.
- 紛争前のベースラインとBFAST方法を使用して特定されたブレイクポイントに対する月別NTL比率を計算しました.
- NTL,空中攻撃,および疫学的な結果との関係を分析するために一般化された添加モデルを使用し,共変数を制御しました.
主要な成果:
- NTLの平均値は,紛争のエスカレーション後,著しく減少した (イエメン:53.3%,ウクライナ:21.0%).
- 分析されたほとんどの地域における空中攻撃の開始と一致するNTLデータにおける識別されたブレイクポイント.
- イエメンにおけるコレラモデルにおけるNTLベースの紛争対策は一貫した結果をもたらし,回復が疾患リスクの減少と関連していることを示した.
結論:
- 夜間照明 (NTL) は,紛争とインフラストラクチャの回復を測定するための有効なツールであり,従来の方法の限界を克服します.
- NTLデータは,紛争ダイナミクスに関する貴重な洞察を提供し,直接的な疫学的な応用があります.
- NTLは,イベントベースのツールに補完的なデータソースとして機能し,紛争と健康研究のユニークな強みを提供します.
関連する概念動画
Sound Intensity
4.9K
The loudness of a sound source is related to how energetically the source is vibrating, consequently making the molecules of the propagation medium vibrate. To measure the loudness of a source, the physical quantity of interest is the intensity. This is defined as the energy emitted per unit of time per unit of area perpendicular to the sound wave's propagation direction. Since the total energy is greater if the source vibrates for a longer duration and over a larger area, dividing the...
4.9K
Frustration and Conflict: Approach-Approach, Approach-Avoidance
544
Frustration occurs when people are obstructed or prevented from achieving a desired goal or fulfilling a perceived need. For example, when someone's input is ignored in a discussion, it can lead to feelings of frustration. Conflict, however, arises from opposing interests, goals, or actions. Conflicts can take various forms based on the nature of these opposing desires or goals.
One common type of conflict is the Approach–Approach Conflict. In this case, a person faces two desirable...
One common type of conflict is the Approach–Approach Conflict. In this case, a person faces two desirable...
544
Sound Intensity Level
4.9K
Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and...
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and...
4.9K
The Wave Nature of Light
61.6K
The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
61.6K
Intensity Of Electromagnetic Waves
6.0K
The energy transport per unit area per unit time, or the Poynting vector, gives the energy flux of an electromagnetic wave at any specific time. For a plane electromagnetic wave with E0 and B0 as the peak electric and magnetic fields and traveling along the x-axis, the time-varying energy flux can be given by the following equation:
6.0K
Frustration and Conflict: Avoidance-Avoidance, Double-Approach Avoidance
697
Avoidance-avoidance conflict refers to a psychological situation where a person must choose between two or more unpleasant alternatives. These conflicts are particularly stressful because neither option is desirable. This dilemma is often expressed in sayings like "caught between a rock and a hard place" or "between the devil and the deep blue sea." For instance, individuals who fear dental procedures may find themselves torn between enduring a painful toothache or facing the...
697


