Analysis on Sediment Distribution and Sedimentary Environment in the Northern Coastal New City in Eastern Weihai City
In order to study sedimentary environment in the northern coastal new city in eastern Weihai cit-y,through collecting 50 seabed surface samples,by using pipette and sieve analysis methods,sediment particle size has been analyzed.Based on this,sediment types have been classified.The particle size pa-rameters have been calculated by using the moment method,the distribution patterns of various types of sediments have been studied,and the relationship with material sources and sedimentary dynamics has been expunded.It is showed that the average particle size of sediments in the study area is 0.04～3.23mm,the average value is 0.18mm,the sorting coefficient is 1.30～4.70,the skewness ranges from 1.21 to 3.42,with an average value of 1.79.The kurtosis value ranges from 1.97 to 8.82,with an aver-age value of 3.97.Through study and analysis on the distribution characteristics of particle size parameters and sedimentary environments,it is found that the distribution of particle size components in the study ar-ea is in good agreement with the distribution characteristics of sediment types.It shows a trend of sedi-ment particle size gradually becoming finer as it moves further offshore.Meanwhile,the distribution char-acteristics of surface sediments on the seabed in the study area are mainly influenced by the source material and hydrodynamic conditions.
Sedimentsgranularity parametersedimentary environmentnorthern coastal new cityWeihai city
万方数据
维普
