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Title: 尾瀬地域内外における降水量の空間相関
Other Titles: Spatial correlations of precipitation amounts for Oze and surrounding area
Authors: 岩熊, 敏夫1 Browse this author
野原, 精一2 Browse this author
Authors(alt): Iwakuma, Toshio1
Nohara, Seiichi2
Keywords: 尾瀬
Oze area
daily precipitation amount
spatial correlation
bivariate mixed lognormal distribution
ground-based observation stations
Issue Date: 31-Mar-2022
Publisher: 低温科学第80巻編集委員会
Journal Title: 低温科学
Journal Title(alt): Low Temperature Science
Volume: 80
Start Page: 549
End Page: 570
Abstract: 尾瀬内外の地上観測所で観測された降水量の月別・季節別の空間相関を調べた.1981年から2010年までの30年間の日降水量データを月別にまとめ,2変量混合対数正規分布に基づいて尾瀬の観測所との相関を推定し,比較のためピアソン積率相関も検討した.尾瀬内外の気象観測所の類似性を距離,標高差,方位との関係により評価し,高地生態系である尾瀬の降水現象を代表しうる観測所の特定を試みた.
Monthly and seasonal spatial correlations of precipitation amounts were studied for Oze and surrounding area. Daily precipitation amounts measured at ground-based observation stations for 30 years were grouped by month to estimate correlations between the station either Yamanohana or Ozenuma in the Oze area and each of other stations based on the bivariate mixed lognormal distribution as well as Pearson's product-moment. Similarities of surrounding stations to stations in the Oze area were examined in terms of distance, difference of altitudes, and direction for each month and season to identify observation stations proxies for the precipitation at the high-altitude Oze ecosystem.
Description: 電子資料追加
Type: bulletin (article)
Appears in Collections:低温科学 = Low Temperature Science > 第80巻

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