本文根据１９８９年７月至１９９０年５月北黄海长山群岛海区四个航次（春、夏、秋、冬）水质及底质１４０００余个数据的分析测试结果，探讨了测区水质、底质各要素分布特征，并对其环境质量现状作了初步评价。结果表明，调查区环境质量良好．南部海域环境优于北部。 Based on the analysis and test results of more than 14000 data of water quality and sediment of four voyages (spring, summer, autumn and winter) of the Changshan Islands in the northern Yellow Sea from July 1989 to May 1990, the water quality, The distribution characteristics of each factor, and made a preliminary assessment of the status quo of its environmental quality. The results show that the environmental quality of the survey area is good. The southern sea environment is better than the north.