環境や生活習慣に起因する人間の水循環の変動

Yosuke Yamada^1,2, Xueying Zhang^3,4, Mary E T Henderson⁵

¹National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan.

Science (New York, N.Y.)

|November 24, 2022

まとめ

全世界で22億人が安全な飲料水がないのですこの研究は,人間の水循環に影響を与える重要な要因を明らかにし,個人と環境の特徴に基づいて毎日の水需要を予測するための方程式を提供します.

科学分野:

生理学
環境科学
世界保健

背景:

水は人間の生存に不可欠である.
世界では22億人が安全な飲料水を得られていません
水の摂取量は,毎日の水分流出量 (WT) と密接に関連しています.

研究の目的:

人間の水循環 (WT) の決定要因を調査する.
ヒトWTの予測方程式を,人類測定,経済,環境要因を用いて確立する.
WTのグローバル・バリエーションを理解するために

主な方法:

デュテリウム (²H) の同位体の追跡方法を使用した.
8日から96歳までの5604人のデータを分析した.
23カ国の参加者が参加し,社会経済環境が様々でした.

主要な成果:

WTと年齢,体格,体質,運動能力,妊娠,社会経済的な地位との間に重要な関連性が見られた.
緯度,高さ,気温,湿度などの環境要因が WT に影響した.
人口開発指数 (HDI) が低い国の個人は,HDIが高い国の個人に比べて,より高いWTを示しました.

結論:

人間による水循環は個別的,社会経済的,環境的要因の複雑な相互作用によって影響を受けます
人口測定,経済,環境データを基にWTの予測方程式を開発した.
この発見は,特に資源が限られた環境において,世界の水分需要をより良く理解し,管理するための基盤を提供します.

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