The Estuaries Contribution for Supplying Nutrients (N and P) in Jepara Using Numerical Modelling Approach

3rd International Conference on Tropical and Coastal Region Eco Development 2017

地球科学;生态环境科学

Maslukah, Lilik^1 ; Wulandari, Sri Yulina^1 ; Prasetyawan, Indra Budi^1

Department of Oceanography, Faculty of Fisheries and Marine Science, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang, Semarang

50275, Indonesia^1

关键词: Coastal waters;    Contribution;    Distribution patterns;    Fishing ground;    Primary productivity;    Water mass;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/116/1/012072/pdf
DOI  :  10.1088/1755-1315/116/1/012072

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Coastal water is dynamic area since it is influenced by both ocean and land. It has high primary productivity that determined fishing ground area. Increased supply of nutrients in coastal water is significantly influenced by seasons and the presence of the river estuaries carrying water masses from the mainland. This study focused on the rivers (Serang, Wiso, Grenjengan Mlonggo and Pasokan rivers) contributed nutrients supply spatially and temporally to Jepara water using numerical modeling. The results showed nutrients content of N (Nitrate) and P (Phosphate) from those rivers were 39.19 tons N/month and 2.26 tons P/month in June, 19.94 tons N/month and 1.96 tons P/month in August. From simulation modeling nutrient of N and P showed that the distribution pattern of N and P was larger during the neap tide than the spring tide. Furthermore, compared with the other rivers, Serang river was the highest nutrient supplier to Jepara water.