Errors in Calculation of Satulation Vapor Pressure

  • SUGAWARA H
  • KONDO J
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Abstract

‹ß "¡ •ƒ •³* Junsei KONDO Keywords: Satulation vapor pressure, Surface heat balance ƒL•[ ƒ• •[ ƒh:-O ˜a •…•ö ‹Cˆ³‹Cˆ³,'n •\-Ê"MŽûŽx I.‚Í ‚ ¶ ‚ß ‚É •@-O ˜a •…•ö ‹Cˆ³‹Cˆ³ ‚ð ‰· "x ‚Ì ŠÖ•" ‚AE ‚µ ‚Ä •\ ‚· Ž® ‚Í,OE» •Ý •F •X ‚È ‚à ‚Ì ‚ª 'm ‚ç ‚ê ‚Ä ‚¨‚肨‚è,‚Ç ‚ê ‚ð Žg-p‚· ‚× ‚« ‚©-À ‚¤ ‚± ‚AE‚ª '½ ‚¢.‚ ‚Ü ‚è,‚» ‚ê ‚¼ ‚ê ‚Ì Ž® ‚É ‚ae ‚é 'l ‚ª ‚Ç ‚ê ‚Ù ‚Ljá‚Çˆá ‚¤ ‚Ì ‚©,'å-Ê‚Ì ƒf •[ ƒ^ •ˆ-• ‚É ‚ ‚½ ‚Á ‚Ä OEv ŽZ Žž ŠÔ ‚Í ‚Ç ‚ê ‚ª •Å ‚à 'Z ‚¢ ‚©,‚³ ‚ç ‚É 'n •\-Ê ‚Ì "MŽû Žx ‚Ì OEv ŽZ ‚É ‚Ç ‚ê ‚Ù ‚Ç ‚̈á‚Ìˆá ‚¢ ‚ª • ¶ ‚ ¶ ‚é ‚© ‚AE ‚¢ ‚¤-â 'è ‚ª ‚ ‚é. 'O2ŽÒ ‚Ì-â 'è ‚É 'Î ‚µ ‚Ä ‚Í ‰ß‹Ž ‚É-l •X ‚È "ä Šr ‚ª "-•\ ‚³ ‚ê ‚Ä ‚¢ ‚é(Gibbins,1990; Flatau•@ et al, 1992).‚± ‚± ‚Å ‚Í Žå ‚É3"Ô-Ú‚Ì-â 'è ‚ð Žae ‚è •ã ‚° ‚é.‚Ü ‚¸'‚¸'ã •\ "I ‚È Ž® ‚ð "ä Šr ‚µ,‚» ‚Ì •· ‚ª 'n •\-Ê ‚Ì "M Žû Žx ‚É ‚Ç ‚ê ‚Ù ‚Ç ‰e ‹¿ ‚· ‚é ‚© ‚ð '² ‚×,‚³ ‚ç ‚É-O ˜a •…•ö ‹Cˆ³‹Cˆ³ ‚Ì "÷ OEW •" ‚É ‚ ‚¢ ‚Ä ‚à OEŸ"¢ ‚· ‚é. II .-O ˜a •… •ö ‹Cˆ³‹Cˆ³ ‚Ì "ä Šr •@ "ä Šr ‚µ ‚½ Ž® ‚͈ê‚͈ê "Ê ‚É Žg ‚í ‚ê ‚Ä ‚¢ ‚éˆÈ‚éˆÈ ‰º ‚Ì ‚à ‚Ì ‚Å ‚ ‚é.‰· "xT‚Ì 'P ˆÊ ‚Í •Ž,-O ˜a •… •ö ‹Cˆ³6‹Cˆ³6•› ‚Ì 'P ˆÊ ‚Í hPa‚AE ‚· ‚é.Ž®(1),(2)‚Í ‚ ‚é ‰· "x "Í ˆÍ ‚ð 'Î •Û ‚AE ‚µ ‚½ ‹ß Ž-Ž® ‚Å ‚ ‚è,‚» ‚Ì "Í ˆÍ ‚ð Š ‡ OEÊ "à ‚É Ž¦ ‚µ ‚½.esat‚É ‚Í, •…-Ê •ã ‚AE•X-Ê •ã ‚É 'Î ‚· ‚é2Ží-Þ‚ª ‚ ‚é ‚ª,‚± ‚± ‚Å ‚Í •…-Ê •ã ‚É 'Î ‚· ‚é 'l ‚É ‚ ‚¢ ‚Ä OEŸ"¢ ‚· ‚é. •@ Lowe(1977)‚Ì Ž®:(-50•`50•Ž) •@ •@esat=A0+T(A1+T(A2+T(A3+T (A4+T(A5+A6T)))))•@ (1) Tetens (1930)‚Ì Ž®: •@esat=6.1078•~10K•@ (2) Bolton (1980)‚Ì Ž®:(-35•`35•Ž) (3) ‚± ‚ê ‚ç ‚ð-50•`100•Ž ‚Ì "Í ˆÍ ‚Å OEv ŽZ ‚µ,Smithsonian Tables(List,1966)‚AE "ä Šr ‚µ ‚½.‚± ‚Ì •\ ‚Ì •" 'l ‚ÍGoff-Gratch‚Ì Ž® ‚É Šî ‚à ‚« •ì •¬ ‚³ ‚ê ‚Ä ‚¨‚肨‚è ,(1)•`(3)Ž® ‚ð "± •o ‚· ‚é ‚à ‚AE ‚É ‚È ‚Á ‚½ ‚à ‚Ì ‚Å ‚ ‚é ‚ª,Goff-Gratch ‚Ì Ž® ‚à ‹ß Ž-Ž®‚Å ‚ ‚è,‚¯ ‚Á ‚µ ‚Ä ‚± ‚ê ‚ª •^ 'l ‚Å ‚ ‚é ‚í ‚¯ ‚Å ‚Í ‚È ‚¢.‚µ ‚© ‚µ,•Å ‹ß ‚Ì •¸-§ 'ª 'è ‚É Šî ‚à ‚-Wex-ler(1976)‚Ì Ž® ‚AE"ä Šr ‚µ ‚Ä •· ‚ª ‚í ‚¸‚©‚¸‚© ‚Å ‚ ‚é ‚Ì ‚Å,‚± ‚± ‚Å ‚ÍSmithsonian•@ Tables‚ð Šî •€ ‚É ‚µ ‚Ä "ä Šr ‚· ‚é.

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APA

SUGAWARA, H., & KONDO, J. (1994). Errors in Calculation of Satulation Vapor Pressure. Journal of Japan Society of Hydrology and Water Resources, 7(1), 440–443. https://doi.org/10.3178/jjshwr.7.440

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