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周防灘東部沿岸域において1987-2010年に観測された水温の変動解析 Trend Analysis of Monthly Water Temperature at the Eastern Coast of Suo Nada, 1987–2010 Takizawa, Kei 滝澤, 敬 タキザワ, ケイ Takizawa 滝澤 タキザワ Kei 敬 ケイ Oka, Hironori 岡, 宏典 オカ, ヒロノリ Oka 岡 オカ Hironori 宏典 ヒロノリ Takimoto, Shuhei 滝本, 脩平 タキモト, シュウヘイ Takimoto 滝本 タキモト Shuhei 脩平 シュウヘイ Nakazato, Ayhiro 中里, 礼大 ナカザト, アヤヒロ Nakazato 中里 ナカザト Ayhiro 礼大 アヤヒロ Motoyama, Toru 本山, 徹 モトヤマ, トオル Motoyama 本山 モトヤマ Toru 徹 トオル open access water temperature; monthly pattern; trend analysis; regression; Suo Nada The surface temperature of the Uma-shima Strait of the eastern coast of Suo Nada, Yamaguchi, Japan, was monitored every month from 1987 to 2010 and temporal trends were analyzed using Ordinary Least Squares regression analysis. The annual average temperature increased at a rate of 3.31×10-２ ℃ /year during this period, with more pronounced monthly patterns in August, October, and November. Similar patterns were observed in the temperature data recorded at air and water monitoring stations located nearby. Analyses of these records using regressions demonstrated that the surface temperature of the water of Uma-shima Strait water is influenced by the properties of the atmosphere and the water mass of the offshore area and that this influence varies from season to season with five distinct phases: an aircorrelated phase（April); an air-correlated and water-altered phase（August–October); a water-correlated and air-altered phase（January–March); a water-correlated phase（May and November); and an uncorrelated phase（June-July and December). 水産大学校 National Fisheries University 2014-03-31 eng departmental bulletin paper https://fra.repo.nii.ac.jp/records/2012032 fishu_k_62_117 https://agriknowledge.affrc.go.jp/RN/2010921745 agriknowledge AN00124678 0370-9361 水産大学校研究報告 Journal of National Fisheries University 62 4 12 117 128 https://fra.repo.nii.ac.jp/record/2012032/files/fishu_k_62_117.pdf application/pdf 468.7 KB 2024-10-11