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Application of a Weighted-Averaging Method for Determining Paleosalinity: A Tool for Restoration of South Florida’s Estuaries

机译:加权平均法在确定古盐度方面的应用:南佛罗里达河口修复的工具

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摘要

A molluscan analogue dataset is presented in conjunction with a weighted-averaging technique as a tool for estimating past salinity patterns in south Florida’s estuaries and developing targets for restoration based on these reconstructions. The method, here referred to as cumulative weighted percent (CWP), was tested using modern surficial samples collected in Florida Bay from sites located near fixed water monitoring stations that record salinity. The results were calibrated using species weighting factors derived from examining species occurrence patterns. A comparison of the resulting calibrated species-weighted CWP (SW-CWP) to the observed salinity at the water monitoring stations averaged over a 3-year time period indicates, on average, the SW-CWP comes within less than two salinity units of estimating the observed salinity. The SW-CWP reconstructions were conducted on a core from near the mouth of Taylor Slough to illustrate the application of the method.
机译:结合了加权平均技术,给出了软体动物模拟数据集,该工具可用于估算佛罗里达州南部河口过去的盐度模式,并根据这些重建物制定恢复目标。使用在佛罗里达湾从记录盐度的固定水质监测站附近的地点收集的现代表面样本对这种方法(此处称为累积加权百分比(CWP))进行了测试。使用从检查物种发生模式得出的物种加权因子对结果进行校准。将经过校准的物种加权CWP(SW-CWP)与在3年时间段内在水监测站观测到的盐度平均值进行比较,表明SW-CWP平均而言少于估计的两个盐度单位观察到的盐度。 SW-CWP重建是在泰勒·斯劳口附近的岩心上进行的,以说明该方法的应用。

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