Oceanographic data of Time Series Station Spiekeroog for 2016

The Time Series Station Spiekeroog (TSS) was setup in 2002, in the tidal inlet between the East Frisian Islands of Langeoog and Spiekeroog in the Southern German Bight, at position 53°45′01.0″ N, 007°40′16.3″ E. The aim was to ensure the continuous measurement of physical, biological, chemical and meteorological parameters, even under extreme weather conditions such as storms, ice, and storm surges. The TSS was financed as part of the Deutsche Forschungsgemeinschaft (DFG) research unit BioGeoChemistry of Tidal Flats and the Ministry for Science and Culture of the Land of Lower Saxony (MWK). Here, sea level, water temperature and conductivity were measured in the year 2016. All raw data were revised and corrected for steps as range, outliers and stationarity checks. Water temperature and conductivity were measured in five different depths (4 m, 5.5 m, 7.5 m, 9.5 m, 11.5 m below MSL). Due to marine biofouling at the sensors and accompanying drift of instruments, the measured water temperature and conductivity data were corrected via linear regression by using reference data. As the water column in this region is well mixed and the water depth of the measurements varies with the tide, data from all five depths were averaged and referenced to a water depth of 4 m. Absolute salinity was derived from conductivity, temperature and pressure data according to TEOS 10. Data were smoothed and a quality flag was assigned for water temperature and salinity. The quality flags refer to the standard for data quality control of SeaDataNet https://www.seadatanet.org/ (0 = raw data, 1 = good data, 2 = probably good data, 3 = questionable data). A detailed description of the Time Series Station Spiekeroog, its structure and instrumentation can be found in Zielinski et al. (2022) and in Reuter et al. (2009).

施皮克罗格潮位时间序列站（Time Series Station Spiekeroog, TSS）于2002年建成投用，坐落于德国南部海湾东弗里西亚群岛兰格奥格岛与施皮克罗格岛之间的潮汐水道，地理坐标为53°45′01.0″N，007°40′16.3″E。该站点的建设目标是在风暴、海冰、风暴潮等极端气象条件下，仍可持续监测物理、生物、化学及气象参数。施皮克罗格潮位时间序列站由德国研究基金会（Deutsche Forschungsgemeinschaft, DFG）潮滩生物地球化学研究单元以及下萨克森州科学与文化部（Ministry for Science and Culture of the Land of Lower Saxony, MWK）资助设立。2016年，该站开展了海平面、水温与电导率的监测工作。所有原始数据均经过修订与校正，涵盖量程校验、异常值剔除及平稳性检验等处理步骤。水温与电导率的监测分别设置了5个不同水深（距平均海平面以下4m、5.5m、7.5m、9.5m、11.5m）。由于传感器遭受海洋生物污损且仪器存在漂移，研究团队借助参考数据通过线性回归对实测水温与电导率数据进行了校正。鉴于该区域水体混合充分且实测水深随潮汐动态变化，研究人员将5个深度的监测数据进行平均，并以4m水深作为参考基准。绝对盐度依据TEOS 10标准，由电导率、水温与压力数据计算得到。数据经过平滑处理，并为水温与盐度数据赋予了质量标记。该质量标记遵循SeaDataNet（https://www.seadatanet.org/）的数据质量控制标准，其中0代表原始数据，1代表优质数据，2代表疑似优质数据，3代表存疑数据。关于施皮克罗格潮位时间序列站的详细介绍、结构与仪器配置，可参见Zielinski等（2022）及Reuter等（2009）的研究文献。