CAJ | 학술논문

利用2008–2013年水质调查资料，分析了青岛市黄岛区南部海域营养盐分布与变化特征，并采用营养指数(E)法和有机污染综合指数(A)法对该海域海水的营养状况和有机污染状况进行了评价。结果显示，(1)2012–2013年调查期间，无机氮含量范围为20.82–197.62μg/L，活性磷酸盐为4.52–52.91μg/L，COD 为0.39–1.25 mg/L。除个别站点活性磷酸盐含量超标外，其余站点活性磷酸盐含量以及全部站点无机氮和 COD 含量均符合二类海水水质标准要求。(2)调查海域无机氮以春季最高(86.42μg/L)，秋季次之，夏季最低(38.59μg/L)；活性磷酸盐以秋季最高(18.68μg/L)，春季次之，夏季最低(9.10μg/L)；COD 以夏季最高(0.962 mg/L)，秋季次之，春季最低(0.682 mg/L)。(3)调查海域无机氮和 COD 含量2008–2011年呈逐年降低的变化趋势，2012年又有所增高；活性磷酸盐含量2008–2010年呈逐年降低的变化趋势，2010–2012年呈逐年增高的变化趋势。研究表明，调查海域海水的营养水平较低，未达到富营养化水平，发生赤潮的可能性较小。调查海域水质状况良好，未受到有机污染。
이용2008–2013년수질조사자료，분석료청도시황도구남부해역영양염분포여변화특정，병채용영양지수(E)법화유궤오염종합지수(A)법대해해역해수적영양상황화유궤오염상황진행료평개。결과현시，(1)2012–2013년조사기간，무궤담함량범위위20.82–197.62μg/L，활성린산염위4.52–52.91μg/L，COD 위0.39–1.25 mg/L。제개별참점활성린산염함량초표외，기여참점활성린산염함량이급전부참점무궤담화 COD 함량균부합이류해수수질표준요구。(2)조사해역무궤담이춘계최고(86.42μg/L)，추계차지，하계최저(38.59μg/L)；활성린산염이추계최고(18.68μg/L)，춘계차지，하계최저(9.10μg/L)；COD 이하계최고(0.962 mg/L)，추계차지，춘계최저(0.682 mg/L)。(3)조사해역무궤담화 COD 함량2008–2011년정축년강저적변화추세，2012년우유소증고；활성린산염함량2008–2010년정축년강저적변화추세，2010–2012년정축년증고적변화추세。연구표명，조사해역해수적영양수평교저，미체도부영양화수평，발생적조적가능성교소。조사해역수질상황량호，미수도유궤오염。
The current study analyzed the distributional and variational feature of nutrients of seawater in the southern offshore area of Huangdao District based on the environmental data collected by surveys from 2008 to 2013. The methods of Eutrophication Index (E) and Organic Pollution Comprehensive Index (A) were used to assess nutritional status and organic pollution condition of seawater. Based on the surveys from 2012 to 2013, the concentrations of dissolved inorganic nitrogen(DIN), dissolved inorganic phosphate(DIP) and chemical oxygen demand (COD) varied within 20.82-197.62 μg/L, 4.52-52.91 μg/L and 0.39-1.25 mg/L, respectively. Except one station that the concentration of DIP was above the standard limit, all other concentration including DIP, DIN and COD met the second class of national standard. In three seasons, the highest concentration of DIN (86.42 μg/L) was in the spring, and the lowest (38.59 μg/L) was in the summer. The highest concentration of DIP (18.68 μg/L) was in the autumn, and the lowest (9.10 μg/L) was in the summer. The highest concentrations of COD (0.962 mg/L) was in the summer, and the lowest (0.682 mg/L) was in the spring. The concentrations of DIN and COD was gradually decreased from 2008 to 2011 and then was increased in 2012. The concentration of DIP was gradually decreased from 2008 to 2010 and then was gradually increased from 2010 to 2012. The seawater of the surveyed area was at oligotrophic level, showing the low possibility of red tide occurrence. The water quality in the surveyed area was good, indicating that seawater was not polluted by organic matters.