紫外光谱法海水硝酸盐原位检测技术研究进展  

Research Progress of In Situ Detection Technology of Seawater Nitrate Based on Ultraviolet Spectroscopy

作　　者：董晶 唐军武 吴国俊[1,3] DONG Jing;TANG Junwu;WU Guojun(Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Science,Xi'an 710119,China;University of Chinese Academy of Science,Beijing 100049,China;Pilot National Laboratory for Marine Science and Technology(Qingdao),Qingdao 266237,China;Ocean University of China,Qingdao 266100,China)

机构地区：[1]中国科学院西安光学精密机械研究所,陕西西安710119 [2]中国科学院大学,北京100049 [3]青岛海洋科学与技术试点国家实验室,山东青岛266237 [4]中国海洋大学,山东青岛266100

出　　处：《海洋技术学报》2022年第5期19-34,共16页Journal of Ocean Technology

基　　金：国家重点研发计划资助项目(2021YFC2800303)。

摘　　要：硝酸盐是全球海洋观测系统确定的海洋基本变量之一,对海洋生态系统健康有着直接且重要的影响。基于紫外光谱法的硝酸盐检测技术具有无试剂、方便快捷、检测精度高等优点,是硝酸盐原位检测的重要发展方向。基于此技术已出现了多种商用传感器,但目前在复杂环境中长期监测的可靠性和准确性仍有不足。本文系统归纳了紫外光谱法硝酸盐原位检测技术的原理、补偿及校准技术、现场布放与观测需要解决的关键问题,以及国内外硝酸盐传感器的现状,分析了硝酸盐原位检测技术的发展趋势,并指出了紫外光谱法未来应着重解决的核心问题和技术发展方向。Nitrate is one of the Essential Marine Variables by the Global Ocean Observing System community,which has direct or indirect effects on the Marine ecosystems.The realization of in situ detection of nitrate is of great significance to capture the important temporal and spatial changes of nitrate,and to promote the understanding of marine biogeochemistry and ecosystems.The nitrate detection technology based on ultraviolet spectroscopy offers several advantages of reagent-free,convenient and high accuracy,which is an important development of nitrate in situ detection.Although a variety of commercial sensors have emerged based on this technology,the reliability and accuracy of long-term monitoring in complex environments is still lacking.In this paper,the detection principle,compensation and calibration method,key technologies to be solved in the deployment and observation of nitrate sensors and the research actuality of nitrate sensors are introduced.The development trend of nitrate in situ detection technology based on ultraviolet spectroscopy is analyzed,and the key problems and development direction of ultraviolet spectroscopy in the future are pointed out.

关 键 词：海洋光学传感器 海洋化学传感器 紫外光谱法 硝酸盐 

分 类 号：P716.5[天文地球—海洋科学]