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132 KKU Science Journal Volume 39 Number 1 Research<br />

‡°’ˬ«°—∫§«“¡‡¢â¡√—ß ’¥«ßÕ“∑‘µ¬å∑’ˇ¢â“¡“¬—ßæ◊Èπ‚≈°<br />

®”‡ªìπµâÕß∑√“∫§à“ª√‘¡“≥‰ÕπÈ”°≈—Ëπµ—«‰¥â √«¡∑—Èß<br />

§ÿ≥ ¡∫—µ‘„π°“√¥Ÿ¥°≈◊π√—ß ’¥«ßÕ“∑‘µ¬å¢Õߪ√‘¡“≥<br />

‰ÕπÈ”°≈—Ëπµ—«‰¥â (Brine and Iqbal, 1983; Nunez, 1993)<br />

‡æ◊ËÕ„â„π°“√ÕÕ°·∫∫‡§√◊ËÕß¡◊Õ∑“ߥâ“πæ≈—ßß“π<br />

· ßÕ“∑‘µ¬å ‡àπ °“√À“°“√°√–®“¬¢Õߧ«“¡‡¢â¡√—ß ’<br />

¥«ßÕ“∑‘µ¬å∑’Ëæ◊Èπº‘«‚≈° (solar radiation mapping)<br />

®“°¿“æ∂à“¬¥“«‡∑’¬¡ ß“πÕÕ°·∫∫Õÿª°√≥å∑“ߥâ“π<br />

æ≈—ßß“π· ßÕ“∑‘µ¬å °“√Õπÿ√—°…åæ≈—ßß“π„πÕ“§“√<br />

À√◊Õ„â„πß“πÕÿµÿπ‘¬¡«‘∑¬“ ‡àπ °“√ √â“ß·∫∫<br />

®”≈Õ߇æ◊ËÕ∑”𓬠¿“æ¿Ÿ¡‘Õ“°“» ‡ªìπµâπ<br />

«‘∏’°“√«‘®—¬<br />

„πß“π«‘®—¬π’ȺŸâ«‘®—¬§”π«≥ª√‘¡“≥‰ÕπÈ”°≈—Ëπ<br />

µ—«‰¥â®“°§«“¡ —¡æ—π∏å√–À«à“ߧ«“¡◊Èπ —¡æ—∑∏å ·≈–<br />

Õÿ≥À¿Ÿ¡‘¢ÕßÕ“°“»∑’ˉ¥â®“°°“√µ√«®Õ“°“»—Èπ∫π<br />

´÷Ë߇ªìπ°“√§”π«≥µ“¡∑ƒ…Æ’ ‚¥¬¡’°“√µ√«®«—¥<br />

4 ∂“π’ ‰¥â·°à ∂“π’Õÿµÿπ‘¬¡«‘∑¬“®—ßÀ«—¥‡’¬ß„À¡à<br />

∂“π’Õÿµÿπ‘¬¡«‘∑¬“®—ßÀ«—¥Õÿ∫≈√“∏“π’ ∂“π’<br />

Õÿµÿπ‘¬¡«‘∑¬“®—ßÀ«—¥ ߢ≈“ ·≈– ∂“π’Õÿµÿπ‘¬¡«‘∑¬“<br />

°√ÿ߇∑æ¡À“π§√ ´÷Ëß„â¢âÕ¡Ÿ≈∑’Ë∑”°“√«—¥µ‘¥µàÕ°—π<br />

„πà«ßªï æ.». 2535 ∂÷ß æ.». 2550 ‚¥¬„â ¡°“√<br />

(Garrison, 1992)<br />

(1)<br />

‡¡◊ËÕ w ‡ªìπª√‘¡“≥‰ÕπÈ”°≈—Ëπµ—«‰¥â (Precipitable<br />

Water Vapor) „πÀπ૬ ‡´πµ‘‡¡µ√<br />

M p<br />

‡ªìπ Mixing Ratio ∑’Ë√–¥—∫§«“¡¥—π p „¥Ê<br />

g ‡ªì𧫓¡‡√à߇π◊ËÕß®“°·√ß‚πâ¡∂à«ß¢Õß‚≈°<br />

(986.665 ‡´πµ‘‡¡µ√/«‘π“∑’2 )<br />

p o<br />

‡ªì𧫓¡¥—π∫√√¬“°“»∑’Ëæ◊Èπº‘«‚≈°<br />

(¡‘≈≈‘∫“√å)<br />

ρ ‡ªì𧫓¡Àπ“·πàπ¢ÕßπÈ” (°√—¡/≈Ÿ°∫“»°å<br />

‡´πµ‘‡¡µ√)<br />

π”§à“ª√‘¡“≥‰ÕπÈ”°≈—Ëπµ—«‰¥â∑’˧”π«≥®“°<br />

¢âÕ¡Ÿ≈µ√«®Õ“°“»—Èπ∫π¡“«‘‡§√“–ÀåÀ“§«“¡ —¡æ—π∏å<br />

°—∫Õÿ≥À¿Ÿ¡‘·≈–§«“¡◊Èπ —¡æ—∑∏å¢ÕßÕ“°“»´÷Ë߇ªìπ<br />

¢âÕ¡Ÿ≈º‘«æ◊Èπ (surface data) ∑’Ë ∂“𒇥’¬«°—π º≈∑’ˉ¥â<br />

π”¡“ √â“ß·∫∫®”≈Õß∑“ߧ≥‘µ»“ µ√å ”À√—∫𔉪<br />

„⧔π«≥ª√‘¡“≥‰ÕπÈ”°≈—Ëπµ—«‰¥âµ“¡ ∂“π∑’˵à“ß Ê<br />

ºŸâ«‘®—¬‰¥â∑¥ Õ∫·∫∫®”≈Õß‚¥¬„â¢âÕ¡Ÿ≈¢Õߪï æ.».<br />

2551 ´÷Ë߇ªìπ¢âÕ¡Ÿ≈Õ‘ √–‰¡à‰¥â„â„π°“√ √â“ß·∫∫<br />

®”≈Õ߇æ◊ËÕ¬◊π¬—𧫓¡∂Ÿ°µâÕߢÕß·∫∫®”≈Õß∑’Ë √â“ß<br />

¢÷Èπ ·≈–π”·∫∫®”≈Õß∑’ˉ¥â‰ª§”π«≥ª√‘¡“≥‰ÕπÈ”<br />

°≈—Ëπµ—«‰¥â®“°¢âÕ¡Ÿ≈º‘«æ◊Èπ∑’ˉ¥â®“°°“√µ√«®«—¥∑’Ë<br />

∂“π’Õÿµÿπ‘¬¡«‘∑¬“ 85 ·Ààß∑—Ë«ª√–‡∑» ®“°π—ÈπÀ“§à“<br />

ª√‘¡“≥‰ÕπÈ”°≈—Ëπµ—«‰¥â∫√‘‡«≥æ◊Èπ∑’Ë√–À«à“ß ∂“π’«—¥<br />

¥â«¬«‘∏’°“√§“¥§–‡π·π«‚πâ¡ (interpolation) ‡æ◊ËÕ„À≥â<br />

§√Õ∫§≈ÿ¡æ◊Èπ∑’Ë∑—Ë«ª√–‡∑»π”¡“®—¥· ¥ß„π√Ÿª·ºπ∑’Ë<br />

ª√‘¡“≥‰ÕπÈ”°≈—Ëπµ—«‰¥â<br />

º≈°“√«‘®—¬<br />

ºŸâ«‘®—¬ √â“ß·∫∫®”≈Õß∑“ߧ≥‘µ»“ µ√å‡æ◊ËÕ<br />

§”π«≥§à“ª√‘¡“≥‰ÕπÈ”°≈—Ëπµ—«‰¥â¢Õß ∂“π’∑’ˉ¡à¡’<br />

¢âÕ¡Ÿ≈µ√«®Õ“°“»—Èπ∫π ‚¥¬°“√π”§à“ª√‘¡“≥‰ÕπÈ”<br />

°≈—Ëπµ—«‰¥â (w) ∑’ˉ¥â®“°¢âÕ¡Ÿ≈µ√«®Õ“°“»—Èπ∫π¡“<br />

À“§«“¡ —¡æ—π∏å°—∫Õÿ≥À¿Ÿ¡‘ (T) §«“¡◊Èπ —¡æ—∑∏å (RH)<br />

¢ÕßÕ“°“»∑’Ë ∂“𒇥’¬«°—π º≈∑’ˉ¥â· ¥ß‰«â¥—ß√Ÿª∑’Ë 1

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