Long-term physical and hydrochemical measurements at Sylt Roads LTER (1973-2013), Wadden Sea, North Sea, links to data sets

The SYLT ROADS LTER pelagic time series covers physical and hydrochemical parameters in the Sylt-RØmØ Bight, Wadden Sea, North Sea. Since its inception in 1973 Sea Surface Temperature (SST), Salinity, Ammonia, Nitrite, Nitrate, Soluble Reactive Phosphorus (SRP) and Silicate were measured on a biweekly basis. The other parameters were introduced later (pH - since 1979, dissolved organic nitrogen (DON) - since 1996, dissolved organic phosphorus (DOP) - since 2001, chlorophyll a - since 1979, suspended particulate matter (SPM) - since 1975) and in case of dissolved oxygen were discontinued (1979-1983). During the years 1977, 1978 and 1983 no sampling took place. Since the start of continuous sampling in 1984 the sea surface temperature in the bight has risen by 1.16 oC, with the highest increases during the fall months while the pH decreased by 0.248 units. Summer and fall salinities are generally significantly elevated compared to spring and winter conditions. […]

SYLT ROADS LTER 海洋时间序列数据集涵盖了石勒苏益格-荷尔斯泰因湾（Sylt-RØmØ Bight）北海潮间带的水文和物理参数。自1973年启动以来，海面温度（SST）、盐度、氨、亚硝酸、硝酸、可溶性活性磷（SRP）和硅酸盐等参数已每两周进行一次测量。其他参数随后被引入（pH自1979年起，溶解性有机氮（DON）自1996年起，溶解性有机磷（DOP）自2001年起，叶绿素a自1979年起，悬浮颗粒物（SPM）自1975年起），而溶解氧的测量则自1979年至1983年停止。在1977年、1978年和1983年，未进行采样。自1984年开始的连续采样以来，湾区的海面温度上升了1.16摄氏度，其中秋季的增幅最大，而pH值下降了0.248单位。与春季和冬季相比，夏季和秋季的盐度通常显著升高。 [...]