中国海水水质监测数据

海洋是地球上最大的生态系统之一，对全球物种生存有着极其重要的影响，然而，海洋在近年来却面临着严重的污染问题，对生态系统和人类健康造成了巨大威胁，近岸海域则尤为明显。  近岸海域水质是评价近岸海域生态环境质量的一个重要指标。近年来，随着“美丽海湾”保护与建设的持续推进，我国近岸海域水质稳中向好。据有关部门报道，2021年，我国全年近岸海域海水水质达到国家一、二类海水水质标准的面积占81.3%，三类海水占5.2%，四类、劣四类海水占13.5%。部分入海河口和海湾水质仍待改善。

Oceans are one of the largest ecosystems on Earth, exerting a critically important influence on the survival of species worldwide. However, in recent years, the marine environment has faced severe pollution issues that pose immense threats to both marine ecosystems and human health, a situation that is particularly prominent in coastal waters. Coastal seawater quality serves as a critical indicator for assessing the ecological and environmental quality of coastal marine areas. In recent years, with the continuous advancement of the "Beautiful Bay" protection and construction initiative, the water quality of China's coastal waters has remained stable while improving steadily. According to reports from relevant authorities, in 2021, areas with seawater quality meeting national Grade I and Grade II standards accounted for 81.3% of China's coastal waters throughout the year, areas with Grade III seawater accounted for 5.2%, and areas with Grade IV and inferior Grade IV seawater accounted for 13.5%. The water quality of some river estuaries and coastal gulfs that empty into the sea still needs further improvement.

搜集汇总

背景与挑战

背景概述

该数据集包含2017-2023年中国近海水质监测数据，涵盖pH值、溶解氧等7项关键指标及水质类别，覆盖多个海区和沿海省市，为海洋生态环境研究提供重要数据支持。数据具有详细的地理位置信息和年度更新频率。