1、19 96 M3C Jo u r n a l o f S e dim e n t R e se a r eh1 g% R C +r aa n 2, n(sv g i)41 “d g% C aa +,8sT,4 32 TY R C % R C sK, wS% C .1oM g,% R C , .SBv , 8 B,C )sq g Z g 1 . Z) v g 8, 2 Ha a 0FC , YZtL? ,tY1 B6 . smP.yN, g L 2Z , Z/ ?Z,9Y Z 7?,# v1.5 g% R C 9, P),.Ba g gZ dV, s Z MY, g% R C +5 sC gHq
2、 .(B) , ( M 9 250 x 10s mn, C MwM TM, - M ( 4. 86 x 10s t ,0 . 53 x 10s t .t B M, ? isV , i 7 8 M C j . vY_ d9T, j a j a j 58 % , 542 % . M = V, m(5B10) M71 % ,7 5V85 % , M7zKl, ( 5 x 10nm , /s , 5Vl x 10s t .yN, .; MM? p, M =s ? p, “5 g 1+. g H, a 2 r26 . 63 x 10nm , /s , 1b. 1 , C Z) , y m.5 g, 7
3、1v 1la j1v j1l (r29 x 10a mn,n , v,“ Bh 51 $ 9 .t C g)aaSE1 S “, 09 24|.Y. m!v S/ “ “.(=) g Hq, , z“d4. 1982 M4u M3W, 2 _v , “ C “sY; 0 lNax Na o:+ Ns,V15 zd9T. 2 Vl g 2 s# MHyd roc hem ieal eo m p o n e n ts an d their eha n g e s in so u th ehan n el, the Chan g jia n g Es t u a ry. HmmH : - H , -
4、j j j11 11 M ( ( j11 11 M ( ( j11 11 M ( ( a(PH ) 7 . 91 7 . 70 7b8 1 7 . 9 2 7b53 7 . 73 7 . 34 7 . 51 7b68(IS ) M g Z E C a Z E,NZ 0 MB, U 2 1 sZ . , Hmb_ 1 H, 0CN a E Ca , E M g Z + ,;dZ d 0 , ZV .“, 2 81 09Q ? p,ClB 50CB) H CO ,7H ;b_ H9V V . g s, Z) ( , 25Q,75 W, gYW Hq. , - “ , z p Z M, 2Kl,/
5、212 % ,7 r61 % .t% R C Z N a EaK EaC an+aMg , +M H,? 3 T, 2 H C Ci8s1 . lvH, C8% s S K, % C a d7 8, YYx x 5 =5 ,7 F.yN, , g% R C MM1.=a% R C +Y% C uY,aV1? 3M,SZ ,C| g% R C T .(B)% R C + g170k m , 19 76 198 2 MW1 H C ,68T A I o:+ s,d9T V2.V2 g ( +A v e r agr Fn siz e ehar a e te rs o f s u s pe n d e
6、 d se d im e n t in the Cha n gjia n g E s tr y)(m )ct (%) 63 1 63 32 1 32 16 16 8 8 44 . 4 8 1 5 . 00 5. 30 13 . 16 1 4 5 . 53 1 26 . 53-5 0(m )8b6 V V, g ( 6 3m )ax (63 4 m )T (.V1V4 Fc :_bWs? p 4 A, H Fc ,7 H5 Fc .yN, g u Tr , aaV, ? 3 T ,# M, 1? p.( )% R C +% R C ? 3M,1 F% R C Tr V MM1. b Y R %
7、R C V *, g% R C +“d ,32mTT% R C dTYR C sK+, gd9V , 5 % T% R C , 645 %5 dTY R C . NT, V | V19“, %x 4a%x 2ax 3aYx 6#% 1,sY V a1V , ( f nm1.m1 M9 t , “ C %7 A9F,B%x ( 15 m . e .0 09r) ,7Yx ( 0 . 0 8 3 , 8 / / 1. 40 . 0 3 2 0 . 0 8 3 . 6 2 . 1 17 . 1 6 . 20. 0 0 8 0 . 0 3 2 8b6 4 . 0 17b6 4 6 . 00 . 0 0
8、 4 0. 0 08 1 3 . 4 9 . 7 1 3 . 7 /( 0 . 0 0 4 21b0 23 , 8 8 . 8 4 6a6( )% R C + B # ,1984 199 2 MW , FQ + k,“SE1 So% R C +p, | B 1 Q, “ Q,s c 1“ wL H, 4BC, r B H,Ov ,% R C 9 ? 8,y gB M v C W ,v 8$g , 8% i, wLC ,#c iM .l, k Bl H, wLC.,| qv+L/, C i$ hl,N H |“A 54v v 8i.yN, 8)$g “ “ ,c i. .FQ k, “ 12B2
9、0c m / sWM, C ia i MM1.1 Yy a gh T,# 5, hn5 qmbr,N . V% R C a a Z , g% R C +.an8 ,/+ M.1 . g d_ZV, a 9 a Z C MC ga a CF gC“d;2 .k g 9 0 . 52 %“x (0 . 0 32 b. o16 m m )/ )7 1, C V 92 . 6 %9“b. O32 rn m/ ) ,b. o32 m m C “ .yN, ypb. o32 m mTsY % R C K, E 1 , H9 wS% C ;3 . g% R C +“d, g C aV M,9 g v M,
10、sTX L=1mr, Z T g8? u t L=N. IDq1x, $ M g? T. gt , 19 81 ,B“, 87B10 3:.2 + a, + g ?V. . 19 64 ,30 ,2 , 124B1 41:.q3 , g 2 + Tr . g8 , 198 , “, 189B1 98:.q4=f, g # M.Z S,5 , 6Bn:.q5rf, g C +.sv, 1 9 77 ,1 , 83B96:.6rf, g% R C +).= C S= ) “,2 95 3 , 27 4B28 5:, .7 C ha n g z hizho n g , Mo d e rn se di
11、m e n ta tio n in Co a s ta l a n d N e a r s ho r e Zo n e o r e hin a . 19 55 ,Chin a Oe e a n Pr e s s tw o kin d s o f m e dia , fr e sh an d s alt w a t er , an d tw okin ds o f s ed im e n t r e s o u r e e s , fr o m s e a an d fr o nfla n d bas in , fo rm a e o m Ple x eh a n g e a ble m od
12、e rne st u a r in e e n v ir o n m e n t an d the s u s Pe n de d se dim en t , flu id m u d a n d bed se dim e n t s tr u e tu r e them o de r n es tu a rin e se dim en ra tio n syst em .Bas ed o n the fae ts th at a bo u r 90 . 52% o f s t: s pe n de d se d i: n e n t a r e fin e r th an m idBs il
13、t (0 . 03272 0 . 0 16m m ) , 92 . 6o f s u rfa eia l ele et r o n ie eha r g es ar e eo n e en tr a ted o n the g r ain s o ffin e r tha n0 . o32m m a n d 0 . O32nu 15 a ls o rhe er itiea ld ia m et er o f flo ee u la tio n , it 15 su g g es te d tha t 0 . 0 32m m m a y be u s e d a s the e ritie a
14、ldia m e t e r o f e o a r s e a n d fin e se dim e n t , w hieh w illTe be n ifie ia l n o ro n ly t o th e e o m Pa riso n an d a PPliea tio n o fdiffe r e n t d a t a bu t a ls o to the fu r the r t u die s o n the fin es e dim en t .T he s ys te m a t ie a l s t u die s o n the ba sie e ha ra e
15、t e r s o f fin e s ed im e n t in the Cha n g iia n g E s t u a r ya r e n o t o n ly l BPfu l to u n d e r s ta n d th e tr a n s Po r ra rio n , d ePo sitio n a n d r es u s Pe n s io n Proc e s s e s o fthe s u sp e n de d s e dim e n t , bu t a lso ben ifie ia l to fu r ther u n de r st a n d t
16、he fo rm in g m ee ha n is m o f theg r e a t m o u t h ba r . Pa r t s o f t he re s u lts ha ve be e naBs e d in t he w a te r w a y eho ie e o f th e n o r th e ha n n e la n d it 15 be lie v ed tha t the re s u lt s w ill ha ve m o r e Pr a e tie a l v a lu e s in the e o m p re he n siv e Pla n
17、 a n din th e m a n a g e m e n t o f dee p w a te r w a y in th e C ha n g jia n g Es tu a r y .K e y w o r d s C ha n gjia n g E s t u a r y , fin e s edim e n t , dyn am ie a lflo e e u la tio n .S y11970 M S,SX 24 M. “ - g20 % . +,B HWaSva gv;= 9 H, g 9v; S28E, 0 . 8 %Ta13 % jv1. 2a g . 4:200 0
18、M, S1h E, PYr95 % ,iy10 (p E.S Z y /.1 / Z . 1 . p.C. Mg1 . 3 . p,F f.SE6?ZV,? ! !1 v 1 : 2 ,7S 1 : 2 . 4 ;?ZSE gS 3912 % ,7S1 . 24 % ;N,gy1 Klm5 1 . 6 ,S L=1 : 4 . 5 ,Y+ M.(6 3)F? ?M B19 95 M524 26 2+Ez 7 F? 7? C). F? 7?B 5K B 4. 19 91 M l,1 4 +Ey5 . 6 0B,cr l60 k,T Esl1992 M11#1994 Ml1, jT ( z l,9 F? l ? a a aY z+,i N4%Ta jEga9Fr 7?in. kV.tins j j,i O L | ArT.) ,Ek s ,i k ?BZ.+Y 1 SE , k %SW5vm.i OM sBH 0.(K)
