|Table of Contents|

Grain Size Characteristics and Their Environmental Significance of Northern Jiangsu Coastal Plain(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2010年03期
Page:
103-108
Research Field:
地理学
Publishing date:

Info

Title:
Grain Size Characteristics and Their Environmental Significance of Northern Jiangsu Coastal Plain
Author(s):
Zhao Yongjie1; Chen Ye1; Xu Juan2; Jin Aichun1; Gao Yanyun1
1.School of Geography Science,Nanjing Normal University,Nanjing 210046,China 2. The No. 24M idd le School ofAnhu iH uainan, Hu ainan 232007, C hina
Keywords:
Sheyang;  Jianhu;  X inghua sha llow ho le;  g ra in size charac ter;  sed im entary env ironm ent
PACS:
P736.21
DOI:
-
Abstract:
By ho rizontal comparison for gra in s ize cha racte ristics of Sheyang beach, Xinghua sha llow drilled sed im ent, the resu lts showed that the frequency curve fo r typical m ar ine sed iment is sing lepeak norm a l distr ibution, wh ich m a in peak is narrow and concentrated in the 50 ~ 65 μm, the con tent o f sand up to 40%, c lay less than 10%, and the process conten t in the cumu la tive probab ility curve accoun ted for 5%, wh ich be long ed to beach deposits; Mo reover, the frequency curve for typ ica l con tinenta l sed iment is sing le peak pa rtia l negative sta le d istr ibution and broader peak be tw een 5~ 30μm, the m ax im um content o f sand only 11%, the process content in the cumu la tive probab ility curve has none, sa ltation accoun ted fo r 70%, w hich attribute to lake sed iment; F inally, d iscuss ion the gra in s ize character istics for transition phase of sea and continenta l sedim ent in Jianhu found that 434~ 394 cm layers be longs to lake and m ar ish sed im en t; 395~ 295 cm layers is pre lim inary judge fo r the lagoon sedim entary env ironm ents; 295~ 110 cm layers affected by seaw ater; 150~ 110 cm layers are lake sedim entary env ironm ent

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Last Update: 2013-04-08