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长江口徐六泾洪季泥沙沉降速度研究邵宇阳
3 () No.3
2009 5 Journal of East China Norm al Univer sity (Natural Science ) May 2009
:1000-5641 (2 009 )03-0120-07
*
1, 2 1 2
邵宇阳 , 严以新 , 马平亚
(1. , 2 10 09 8;
2., 2 30 62 )
:2 00 7 9 , 1
O BS3A 1 LISST-10 0(B )
.
,
, ,
.
:; ; ;
:Q948 :A
Settling velocity at Xuliuj ing in Changjiang Esturay
1, 2 1 2
SHAO Yu-yang , YAN Yi-xing , Jerom e MA A Peng-Yea
(1.StateKey Laboratory of Hy drology, Water Resources and Hy draulic Engineering,
Hohai University, Nanj ing 2 10098, China;2.Virginia Institute of arine Science,
Collegeof William and ary, Gloucester Point, VA 23062, USA)
Abstract: In-situ mea surements of settling velocities w ere conducted at Xuliujing in Changjiang
Estuary during a flood tidal and medium tidal fro m Sept.20 07 to Oct.2 007.A n O BS3A and a
LISST-100 (Ty pe B)w ere used to gether with sufficient water samples to e stimate the settling
velo city of suspended sediments.Ba sed o n the results of measured relatio nship betw een the aver-
ag e flo c si e and flo c density, improvement on the original appro ach was implemented to relax the
basic assumptio n:(1)floc density are the same for all flo c si e;(2 )the volume of v oid w ater
was included.T hus a better settling velocity of suspended sediment can be estimated.
Key words:Changjiang Esturay; Xuliujing station; in-situ measurement; settling velo city
0 引 言
, , ()
:2 008-11
:(5033 90 10);(507 0900 7);
(CX07 B 135 )
:, , , .E-mail:sy y @hhu.edu.cn.
*
20 08
3 , :
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