Page 29 - 《水资源与水工程学报》2023年第3期
P. 29
! 3# mno, E: pq SWAP rst3uvwxyz{|}~&r 2 5
4.2 ¾¿ÀC{±Áã RYu, Ì}³ ü Ü , Í z Ë Y Z。& î:
Ð 8、9 ¡ 2019 2020 ç³[)GëÉf 2019、2020çd 2!TµSË,ͶR¡
2
X(l² 100cm)Ö¥X*É|˶RPË 0.9 W 2.0mg/cm。³[)GëüÉ, ˶R
¶R-'R÷, Ðu˶R˶R-' ¦±³üÜ,Íz¦ú, ÓJKt³[):
R¡#© 0~100cmX*X(˳ü,Í。³ ©GT, xGTzÇÈ, ³[)GëüÉËÜ
[)æ'X(˶RÎÏWN¶R§Ä¯z ,Í。{TµÇÈ, )*X(zN³0Fs
÷«¹。TµÇÈ, ³[)Ë£*X(N³ü óË£*X(, '6)*X(z˳0F, Ë
Ã+, '6ËñìN³ü0F, ˶R¡ ¶R¡, 5¾Ë£*X(qË。³[)aGë
#, X(ËÜ,Í。&î:2019、2020 çd 1 !T Éf, *çhiɽ, ˶R-'R¡#, =u
2
2
µSË,ͶR¡ 11.6、5.7mg/cm。*ç 2019 ç˶R-'R¡ -4.5mg/cm,2020 çË
2
hiÉfd 2 !TµS³üz˶R´d 1 !T ¶R-'R¡ -4.9mg/cm, Üų[)aGë
µSz˶R¿u, Ót8.d 2 !Tµ«³[ Éf*!Tµß*zËÚ Ü,ÍX(l²
)Gb{|, spÏNRY., TµS³üzN¶ 100cm)ÖüzX(u。
B 8 2019 }w#»¾¿ÀC{±Áã
B 9 2020 }w#»¾¿ÀC{±Áã
2
4.3 ¾¿2ÀäÁã X(˶R±óR¡ 7.5mg/cm,2020 çX(Ë
2
4 ¡ 2019 2020 ç*çhiɽ³[)X ¶R±óR¡ 7.1mg/cm。
(NË5nhi¿。8 4 Àm, *çhiɽ, %Shi¿ý©, ³[)MGëÉf,
³[)aGëÉf 0~100cmX*X(NÜ~ ÆüN³0Fsb 0~100cmX*X(,2019
Ï, =u 2019 çX(N~ÏR¡ 153.1mm,2020 2020 çÆüN³sb 0~100cmX*X(zN
çX(N~ÏR¡ 82.1mm, ÜÅ%SaÆüN ¡ 52.5、60.6mm, } 0~100cmX*X(Ë
21ãäü, ³[)ÀbVÒÆüN}=G
¬³ü0,2019 2020 çX(l² 100cm)
bz®K。*çhiɽ, ³[)aGëÉf 0~ Ö¥ X * É | Ë ¶ R ¡ -4.5、-4.9
100cmX*X(qË, TµýÅsÒü, Tµ 2
mg/cm, N¶RW˶Ry0F´³ù{o
ß*z{|ËÜ,Í)*X(ÆüNu,
z^
, ÓJKt³[)GTGëÉ*!Tµ
=âˬ-q 0~100cmX*u, =u 2019 ç
S|ËÜ,ÍX(l² 100cm)Öüz