【毕业学位论文】华北平原农田蒸散模型及其下垫面特征参数研究硕士论文

) I| Sj bT1Bs-uVb Xuj # -9 CbAU jB9 1PjBV7jBsrqb*t5;$ K% v?Z?j Y Yb L! rA h B d1P-h36O 3BTDILF1FBSDZb M 5BOOFS B LN.H3T-sS i43TsSV?b E+M */?Z !XXMCLkTV3VTQTarszSiX51V? l3s7S 3slASb 5SjSV Bc #= rjB1pd4 .sa .|#Z_a .YHWa Na H Wq5(VuYbt5/Z7B)b YPM1dYH P2N TY .(AUh 7OYKHW Yv jNJO (H1BOPGTLZ ,BJNBM YB3roIJHIQBTT SFDVSTJWFEJHJUBMGJMUFSJOHT |dFs .D.JMMFO9?3h(B TI $VMG3BOOJL 7FTBMBb. YHW a( QBUIMFOHUIBWFSBHJOHa.a | )Y ( ( M1Y qh GSFRVFODZBUUFOVBUJPO Y.BTTNBObPM1E4H.Kv|%_ .Kv1 ?aHWbWYsa b yN N|Yb 62N?l|hBvl 1y O &9 B Vr j8JFSJOHB%ZSF8ZOHBBSE)PZTUSPNb5M1d(VE1BtY VYVYk!9PYKlbnYV? -BVCBDI. D/BVHIUPOb YVbA n#9b H4_ kVM1.8HWWb HWY?b y2N ,)&#%!8Yb 8FCC sM1d.Y T19F63/2NUSMrT9l .Y( 8N9F 8Nb7JMMBMPCPT_ .MYMBL! L.MYM V=A9M9YxZNn -&Yb M1/VLs M1d jB YN T | VL -4Hqb_NTf1N1sb 17SjSV cM1EjB/ l9?7TM1d14b 2NM1d1oFs TYuYVL m U k .bWzLM117OYV*M1d W1sdzLM1*M1d Tb 6 k dA9 hbc _Tf *. Y AY HW1s *7T h.YAYM1 m 7OM1d.YAY M19A m *7T M1ddzBb N kM1dAY.YVLb m 2 N$45 h 8 W 1 Y3 5B$455B8m * M 1 d$ 45 T1 of by Y3 5T5T18SjSV cM1EjB/ m *,)7 T M 1 d . Y T 1of by Y3 -&8 N-&8Nm *,)7T M1 d A Y T1 of by Y3 )8 N)8Nm *,)7 T M 1 d A A Y T 1of of Y3 -&)8 N-&)8N19SjSV c jBy#M1Yys cjBy#M1Yys/ vW?V T3VBd1b T3sMM1 3$TSTsU*ETP(BSEOFS TsbjBy js#H =ys7/a dEF9v y7ha=6TB3Bb 26SjSV c jBy#M1Yys mld?3 MJH%JVSOBMWBSJBUJPOTPG5D5BXJOUFSXIFBUPODMFBOXFBUIFS HWI3mU?9d? m VA f/ B? 10 -3Fs =iy-F/ 3 .YWM11b d?3.YAM17?3.YA=QZM1 M1 R2r b7|?M1M1 M1Ab V?|? T;T T1Vrlvs-71&=b 6ByV? ?LH7sCH3b 29SjSV c jBy#M1Yys mld?3 .YM11JH3FMBUJPOTIJQCFUXFFO5D5BBOEMBUFOUIFBUGMVYFTPGXJOUFSXIFBUPOGJOFXFBUIFSZ-OY3 . Y 8 N3ml? 3.YM11JH3FMBUJPOTIJQCFUXFFO5D5BBOEMBUFOUIFBUGMVYFTPGXJOUFSXIFBUPODMPVEZXFBUIFSZYY3 . Y 8 N3m l ? ?3 .Y M1 1JH3FMBUJPOTIJQCFUXFFO5D5BBOEMBUFOUIFBUGMVYFTPGXJOUFSXIFBUPOPWFSDBTUXFBUIFSZ&YY3 . Y 8 N330SjSV c jBy#M1Yys s13xYs -s s# 1 s 3 #3 W17L= Y3tyYT tyWV?iL N 3TyM s1T1Md9sqs Yd?a?a|?W1Bsb sYd?a?|?Z1M1V / n E a n a 31SjSV c jBy#M1Yys V Z a 1MBM1of of in ?f M1 U_ A QS S SH S d?S S S SH ?S S SU SH |?S d9 V VA d?.Y 3 M1 WrAb9H4BVb YVjB33YysTV 3wjBVbl3?W4 3 Od?/ 13:4013:50HW3a 4=KM1NjB99 18?LjBd9b 32SjSV c jBy#M1Yys 3jB9M11nm VmV A f13jB9E a e b ( ab3jB9E e m l B 3 jB W 1 JH3FMBUJPOTIJQCFUXFFOFWBQPUSBOTQJSBUJPONNBOEDBOPQZBJSUFNQFSBUVSFEJGGFSFOUJBMZFY3 5D5BNBY&5NN 2002l 3?V 4 5/ ?/ jHd?YVT 2003 MlBd?/jBlTHq/BV 72002l3?+Cd? |? 7|?f/YjBy#MT yN3jBLMv NM1EjBVB(720023B =WbW 9V?/Ev6Byb yN YV#s 1Bb |d?a #|?/8y |s7y$t5Bb l c )jB/+33M?p yld?3jBd9 YV_ CB z?sMb 34SjSV cZ cZ1jB riivd=BV jB/+#ja j .uYZE .Sj ,a .rTvdsL . :,7 9. ,3l3Y ,Sj6 ,k . T=-PW?s9ZESZ 1995642853. F ,1995. T T9IT1 .j , 2002. jBa . ,57(3): 33315. c 1994,*jBrs jk . r- -v8s.#i 1994222. c .S? 1955261123. . jk=ay= a =a =a =a