Recent advances in ferrybox monitoring on board Finnmaid ferry

2008 IEEE/OES US/EU-Baltic International Symposium Pub Date : 2008-05-27 DOI:10.1109/BALTIC.2008.4625504

S. Kaitala, J. Seppala, M. Raateoja, S. Hallfors, V. Fleming-Lehtinen, P. Maunula, J. Helminen, P. Ylostalo

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引用次数: 2

Abstract

Finnish Institute of Marine Research (FIMR) as a founding member of Alg@line consortium has been a forerunner in the field of monitoring research using commercial ferries. In 1992 FIMR started continuous measurements on board the ferry Finnjet, crossing the Baltic Sea Proper, using unattended recording and sampling system. During the spring of 2007 the ferrybox monitoring system was reinstalled in a new ferry Finnmaid providing real time observed data transmission with satellite connection. Chlorophyll-a (Chla) still remains the principal monitoring parameter. However, the distribution of cyanobacteria cannot be evaluated using Chla in vivo fluorescence, as most of their Chla is located in the poorly-fluorescing photosystem I. Instead, phycocyanin (PC) fluorescence is used in the detection of cyanobacterial blooms in 2005-07. PC fluorescence shows a linear relation to the biomass of the bloom forming filamentous cyanobacteria. During blooms of filamentous cyanobacteria the variability in Chla concentrations is better explained by PC fluorescence than by Chla fluorescence. Additionally, Chla records have been applied in validation of MODIS satellite monitoring for the water quality.

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芬梅德渡轮渡轮箱监测的最新进展

芬兰海洋研究所作为Alg@line联盟的创始成员，一直是利用商业渡轮进行监测研究领域的先驱。1992年，FIMR开始在穿越波罗的海的Finnjet渡轮上使用无人值守的记录和采样系统进行连续测量。在2007年春季，ferrybox监测系统重新安装在新渡轮Finnmaid上，通过卫星连接提供实时观测数据传输。叶绿素a (Chla)仍然是主要的监测参数。然而，由于蓝藻的大部分Chla位于荧光较差的光系统i中，因此无法使用体内荧光来评估蓝藻的分布。取而代之的是，在2005-07年使用藻蓝蛋白(PC)荧光来检测蓝藻华。PC荧光显示成线性关系的生物量形成的开花丝状蓝藻。在丝状蓝藻华期间，用PC荧光比用Chla荧光更能解释Chla浓度的变化。此外，Chla记录已应用于MODIS卫星水质监测的验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2008 IEEE/OES US/EU-Baltic International Symposium

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