| $B!ZBh(B4$B2sJ^Au9)3X9V1i2q9V1iO@J8=8(B 1999$BG/(B12$B7n![(B |
$BJ^Au9)3XO@J8=8(B Vol. 4, 165-172, 1999.12 |
$B5$>]4QB,%G!<%?$rMQ$$$?J^AuI=LLJ|=PG.NL$N?dDj$K4X$9$k8&5f(B
$BJ!EDh_Bg(B1$B!&@u;^N4(B2$B!&F#Ln5#(B3
$BJ^Au$+$iJ|=P$5$l$kG.NL$r?dDj$9$k$?$a(B,$B2F!&E_$r4^$`Ls(B8$B%v7n4V$K$o$?$j(B,$B%"%9%U%!%k%HJ^Au$NI=LL(B
$B29EY$*$h$SF|EY(B,$BIwB.(B,$B1+NL$N4QB,$r9T$C$?(B.$B
Key Words: heat island, asphalt pavement, thermal radiation,meteorological observation data,
multiple reglession analysis
T h e f i e l d o b s e r v a t i o n w a s c o n t i n u e d t o e s t i m a t e t h e t h e r m a l r a d i a t i o n f r o m a s p h a l t p a v e m e n t . T h e s u r f a c e
t e m p e r a t u r e , s o l a r r a d i a t i o n , i n f r a r e d r a d i a t i o n , t e m p e r a t u r e , h u m i d i t y , w i n d v e l o c i t y a n d p r e c i p i t a t i o n w e r e
o b s e r v e d f o r a p e r i o d o f a b o u t 8 m o n t h s i n c l u d i n g s u m m er
a n d w i n t e r . S u r f a c e t e m p e r a t u r e , s o l a r r a d i a t i o n a n d
i n f r a r e d r a d i a t i o n m e a s u r e d w e r e c o m p a r e d w i t h t h a t o f c a l c u l a t e d u s i n g m u l t i p l e r e g r e s s i o n a n a l y s i s e q u a t i o n s ,
s u r f a c e t e m p e r a t u r e a n d t h e r a d i a t i o n s w e r e e s t i m a t e d w i t h i n 5 Å $Bqá(B a n d 5 0 W / Ç $Bmá(B2 . T h e e q u a t i o n s a r e a b l e t o
e s t i m a t e t h e t o t a l h e a t f l u x ( = i n f r a r e d r a d i a t i o n + r e f l e c t e d s o l a r r a d i a t i o n + s e n s i b l e h e a t t r a n s p o r t a t i o n ) f r o m
p a v e m e n t s u r f a c e a n d s h o w e d a g o o d c o r r e l a t i o n w i t h t h e m e a s u r e d .