Page 29 - 《水资源与水工程学报》2023年第3期
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            4.2 ¾¿ÀC{±˜Á–ã                                     RYu, Ì}³ ü Ü , Í z Ë ‰ ” Y Z。& î:
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            X(l² 100cm)Ö¥X*É|ˉ¶RžPË                           0.9 W 2.0mg/cm。³[)GëüÉ, ˉ¶R”
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            [)æ'X(ˉ¶RÎÏWN‰¶R§Ä¯z˜                             ,Í。{TµÇÈ, )*X(zN‰³ˆ0Fs
            ÷«¹。TµÇÈ, ³[)Ë£*X(N‰³ü                            óË£*X(, '6)*X(zˉ³ˆ0F, ˉ
            Ã+, '6ˉ”ñìN‰³ü0F, ˉ¶R¡                           ¶R¡Š, 5¾Ë£*X(qË。³[)aGë
            #, X(ˉÜ,Í。&î:2019、2020 çd 1 !T                    Éf, *çhiɽ, ˉ¶R-'Rš¡#, =u
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            µSˉ,ͶR‰¡ 11.6、5.7mg/cm。*ç                       2019 çˉ¶R-'R¡ -4.5mg/cm,2020 çË
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            hiÉfd 2 !TµS³üzˉ¶R´d 1 !T                         ‰¶R-'R¡ -4.9mg/cm, Üų[)aGë
            µSzˉ¶R¿u, Ót8.d 2 !Tµ«³[                          Éf*!Tµß*zˉڠÜ,ÍX(l²
            )Gb{|, spÏNRY., TµS³üzN‰¶                          100cm)֞üzX(u。

















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            4.3 ¾¿2Àžä˜Á–ã                                     X(ˉ¶R±óR¡ 7.5mg/cm,2020 çX(Ë
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                 › 4 ¡ 2019 Ÿ 2020 ç*çhiɽ³[)X                 ‰¶R±óR¡ 7.1mg/cm。
            (NË5nhi”¿。8› 4 Àm, *çhiɽ,                             ƒ%Shi”¿ý©, ³[)MGëÉf,
            ³[)aGëÉf 0~100cmX*X(N‰šÜ~                          ÆüN³ˆ0Fsb 0~100cmX*X(,2019 Ÿ
            Ï, =u 2019 çX(N‰~ÏR¡ 153.1mm,2020                  2020 çÆüN³ˆsb 0~100cmX*X(zN
            çX(N‰~ÏR¡ 82.1mm, ÜÅ%SaÆüN                         ‰‰¡ 52.5、60.6mm, } 0~100cmX*X(Ë
            21ãäü, ³[)Àžb‰VÒÆüN}–=G
                                                               ‰¬³ü0Œ,2019 Ÿ 2020 çX(l² 100cm)
            bz®K。*çhiɽ, ³[)aGëÉf 0~                           Ö¥ X * É | Ë ‰ ¶ R ‰  ¡ -4.5、-4.9
            100cmX*X(qË, TµŸýÅsÒü, Tµ                               2
                                                               mg/cm, N‰¶RWˉ¶Ry0F´³ù{o
            ß*z{|‰Ë‰Ü,Í)*X(ŸÆüNu,
                                                               z^…, ÓJKt³[)GTŸGëÉ*!Tµ
            =âˉ¬-q 0~100cmX*u, =u 2019 ç
                                                               S|‰Ë‰Ü,ÍX(l² 100cm)֞üz
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