CAJ | 학술논문

伶仃洋是珠江入海河口湾中最大的一个河口湾，其沿岸汇聚着珠江三角洲活跃的人类活动和主要的经济活动。本文根据1987年3月和1997年1月枯水期对珠江口的水环境调查结果，通过比较、分析水质状况，运用水质质量单项标准指数法和综合指数WQI法，分别评价了伶仃洋水域中内伶仃和外伶仃断面10 a前后的水质质量。结果表明，10 a来伶仃洋水体的污染程度不断加重，有机碳和无机氮已成为该水域主要的污染因素。内伶仃洋与外伶仃洋相比，水质状况较差，除有机碳和无机氮污染严重外，无机磷也表现有严重的污染。此外本文还对1997 年珠江口枯水期的水体进行了富营养化评价。珠江口内伶仃和外伶仃水体的富营养化程度均较高，因此，珠江口水域的环境管理和沿岸污染治理，依然是今后相当长时期的一个重要任务。
령정양시주강입해하구만중최대적일개하구만，기연안회취착주강삼각주활약적인류활동화주요적경제활동。본문근거1987년3월화1997년1월고수기대주강구적수배경조사결과，통과비교、분석수질상황，운용수질질량단항표준지수법화종합지수WQI법，분별평개료령정양수역중내령정화외령정단면10 a전후적수질질량。결과표명，10 a래령정양수체적오염정도불단가중，유궤탄화무궤담이성위해수역주요적오염인소。내령정양여외령정양상비，수질상황교차，제유궤탄화무궤담오염엄중외，무궤린야표현유엄중적오염。차외본문환대1997 년주강구고수기적수체진행료부영양화평개。주강구내령정화외령정수체적부영양화정도균교고，인차，주강구수역적배경관리화연안오염치리，의연시금후상당장시기적일개중요임무。
Based on the investigati on information from the dry period of the Pearl River Mouth, in Mar of 1987 and Jan of 1997 respectively, the water quality status in the profile of internal Lingdi ng and external Lingding were assessed by the water quallity index model ( WQI) and selecting pH, DO, PO3-4-P, COD, Chl_a and DIN as the asse ss ment index. The assessment result shows that the organic carbon and the inor ganic nitrogen were the main pollutants in the waters of Lingdingyang estuary. When the assessment result was compared before and after the decade, the water quality in the profile of internal Lingding was worse than in external Lingdi ng. The eutrophication of the Pearl River Mouth in the dry period of 1997 was al so assessed. It shows that the eutrophication edgree in Lingdingya ng estuary of the Pearl River Mouth was high，so, the water environment around t he Pearl River Mouth should be paid much attention.