2018-2022年广州海域咸潮入侵变化趋势分析  

Analysis on the Changing Trend of Saltwater Intrusion in Guangzhou Sea Area From 2018 to 2022

作　　者：马荣华 Ma Ronghua(Guangzhou Geological Survey Institute,Guangzhou 510440,Guangdong,China)

机构地区：[1]广州市地质调查院,广东广州510440

出　　处：《绿色科技》2024年第22期86-90,共5页Journal of Green Science and Technology

摘　　要：为防范咸潮灾害,提升广州市海洋预警监测能力,结合广州市地质调查院自建的4个咸潮自动监测站的实测盐度数据,对广州海域2018-2022年枯水期咸潮入侵变化趋势进行了分析,结果表明:广州海域枯水期年均盐度值呈逐年上升趋势,咸潮入侵趋势逐年加强,2021年、2022年枯水期盐度值显著高于2018-2020年同期,近年来,咸潮上溯较强的月份主要为1月、12月和2月。建议加强对咸潮灾害的关注,通过咸潮监测站的完善与优化、监测数据质量控制等提升广州市咸潮监测预警能力,通过建立完善的预警机制、采取调水以淡压咸、加强河道采砂管理等方式,提升广州市咸潮灾害预防与应对能力。In order to prevent saltwater intrusion and improve the marine monitoring capacity of Guangzhou,this paper analyzes the changing trend of saltwater intrusion in the dry seasons from 2018 to 2022 in Guangzhou Sea Area by using the salinity data of automatic monitoring stations built by Guangzhou Geological Survey Institute.The results show that the annual average salinity value in the dry season of Guangzhou Sea Area shows an increasing trend year by year,and the trend of saltwater intrusion is strengthened year by year.The salinity values in the dry seasons of 2022 and 2021 were significantly higher than those of the same period in 2018-2020.In recent years,the months with the strongest saltwater intrusion have mainly been January,December,and February.It is suggested to pay more attention to saltwater intrusion,perfect the construction of observation stations and enhance the quality of observational data.The ability to prevent and respond to the disaster should also be enhanced by taking measures such as establishing a complete warning mechanism,adopting water diversion to dilute saline water and strengthening management of river dredging.

关 键 词：咸潮 枯水期 自动监测站 盐度 广州海域 

分 类 号：P731.12[天文地球—海洋科学]