スケールは 0(水分不足なし)から 800(極度の干ばつ)の範囲です。インデックスの範囲は、植生が容易に利用できる飽和土壌に 20 cm の水分があると仮定して決定されます(Keetch and Byram, 1968)。KBDI は、全国の天気予報、山火事の防止、特に雨水に依存する作物の栽培地域での干ばつ監視に世界中で広く使用されています。
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],[],[[["\u003cp\u003eThe Keetch-Byram Drought Index (KBDI) dataset provides a continuous scale (0-800) for estimating the dryness of soil and duff layers, reflecting recent rainfall patterns and meteorological drought.\u003c/p\u003e\n"],["\u003cp\u003eKBDI values increase daily without rain (influenced by temperature) and decrease with rainfall, offering insights into soil moisture deficits.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset, available from 2007-01-01 to 2024-12-11, is valuable for drought monitoring, wildfire prevention, and agricultural planning, especially in rain-fed regions.\u003c/p\u003e\n"],["\u003cp\u003eProvided by the Institute of Industrial Science at the University of Tokyo, the dataset is accessible through Google Earth Engine with a resolution of 4000 meters.\u003c/p\u003e\n"],["\u003cp\u003eLicensed under CC-BY-4.0, the KBDI dataset encourages research, education, and non-profit use for drought analysis and applications.\u003c/p\u003e\n"]]],["The dataset provides the Keetch-Byram Drought Index (KBDI), a measure of soil and duff layer dryness, ranging from 0 (no deficit) to 800 (extreme drought). The index increases during dry periods and decreases with rainfall, reflecting meteorological drought conditions. The data, provided by the University of Tokyo, is updated daily from 2007-01-01 to 2025-02-21 and is available via Google Earth Engine. Pixel size is 4000 meters. It is tagged for drought and rainfall.\n"],null,[]]