Open AccessVariability of Nutrients in Seawater of Coastal Zone from Khanh Hoa to Bac Lieu
Author(s) -
Pham Huu Tam
Publication year - 2018
Publication title -
tạp chí khoa học đại học quốc gia hà nội: nghiên cứu giáo dục (vnu journal of science: education research)/tạp chí khoa học đại học quốc gia hà nội: các khoa học trái đất và môi trường (vnu journal of science: earth and environmental sciences)
Language(s) - English
Resource type - Journals
eISSN - 2615-9279
pISSN - 2588-1094
DOI - 10.25073/2588-1094/vnuees.4201
Subject(s) - nutrient , nitrate , monsoon , oceanography , silicate , environmental science , seawater , period (music) , geology , biology , ecology , chemistry , physics , organic chemistry , acoustics
This paper is based on data from two surveys (October 2013 and May 2015) on the coastal zone from Khanh Hoa to Bac Lieu and the data from 1992 until now. Results indicated that in southwest monsoon period, the variations of nutrient concentrations in South Central coastal zone of Vietnam were not clearly, except higher concentration of phosphate in the period 1992-1994 and the 2006, 2015 and higher concentration of silicate in the 2006, 2015. In the northeast monsoon period, the highest concentration of phosphate and silicate were recorded in October 2013. In the Southeast coastal zone of Vietnam, the concentration of nutrients (nitrate and silicate) tend to increase in both monsoon periods in shallow area (less than 30 m of depth). But the variations of nutrients concentration were not clearly or few in deeper area (over 30 m of depth).