Abstract
Surface water was taken from the east shore of the mouth of Meiliang Bay,Lake Taihu.The lake water was sampled under weak (2 m/s),modest (7 m/s) and strong wind-wave (11 m/s),respectively.Suspended solids (SS) were obtained by centrifuging 25L surface water.SS were further freeze-dried and microwave digested, and the contents of Co,Cr,Cu,Ni,Pb,Zn,AI,Ca,Fe,Mn in SS were determined by ICP-AES.It was found that the particulate metal amounts increased gradually with wind speed.Moreover,different metal contents in SS showed different variation trend with wind speed.The contents of Zn in SS decreased with wind speed;the contents of Mn and Cu were highest at middle wind speed;and contents of AI,Fe,Ni,Pb,Co,Cr were lowest at the mid- dle wind speed.These results suggested the metal contents in the shallow lake water were mainly influenced by wind-wave disturbance.
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