SEM_SESQA

This dataset includes a JMP file for data preparation (distribution, correlation, transformation) and a R script for conducting structural equational modeling in the Southeast Piedmont. Please note that the analyses are based on secondary public datasets. Please use the following references for acquiring original data:
[dataset] Bell, A.H., Olds, H.T., 2019. Southeast Regional Stream Quality Assessment Ecological Data: U.S. Geological Survey data release. https://doi.org/10.5066/P97JHRX1.
[dataset] Button, D.T., Van Metre, P.C., Waite, I.R., Nowell, L.H., Sheibley, R.W., Bell, A.H., Konrad, C.P., Carlisle, D.M., 2021. Physical and Chemical Stressor Metrics for Stream Ecosystems in Five U.S. Regions Generated by the Regional Stream Quality Assessment, 2013-2017. USGS Data Release In Press.
[dataset] Qi, S.L., Nakagaki, N., 2020. Selected environmental characteristics of sampled sites, watersheds, and riparian zones for the US Geological Survey Regional Stream Quality Assessment, 2013 to 2017: US Geological Survey Data Release. https://doi.org/10.5066/P962N215.
[dataset] Qi, S.L., Nakagaki, N., Van Metre, P.C., Clark, J.M., Baker, N.T., Rapp, J.L., Falcone, J.A., Button, D.T., Journey, C.A., Bell, A.H., 2017. Geospatial Database of the Study Boundary, Sampled Sites, Watersheds, and Riparian Zones for the U.S. Geological Survey Southeast Stream Quality Assessment: U.S. Geological Survey data release. https://doi.org/10.5066/F75Q4TKG.

本数据集包含用于数据预处理（含分布分析、相关性计算与变量转换）的JMP文件，以及用于美国东南部皮埃蒙特地区开展结构方程模型（Structural Equational Modeling）分析的R脚本。请注意，本分析基于公开二手数据集完成。获取原始数据请参考如下参考文献：
[数据集] Bell AH, Olds HT. 2019. 美国东南部区域河流质量评估生态数据：美国地质调查局（USGS）公开数据集. https://doi.org/10.5066/P97JHRX1.
[数据集] Button DT, Van Metre PC, Waite IR, Nowell LH, Sheibley RW, Bell AH, Konrad CP, Carlisle DM. 2021. 2013-2017年美国五大区域河流生态系统物理化学胁迫指标：区域河流质量评估生成数据集. USGS待刊公开数据集.
[数据集] Qi SL, Nakagaki N. 2020. 2013-2017年美国地质调查局区域河流质量评估采样点、流域及河岸带环境特征数据集. USGS公开数据集. https://doi.org/10.5066/P962N215.
[数据集] Qi SL, Nakagaki N, Van Metre PC, Clark JM, Baker NT, Rapp JL, Falcone JA, Button DT, Journey CA, Bell AH. 2017. 美国地质调查局东南部河流质量评估研究边界、采样点、流域及河岸带地理空间数据库. USGS公开数据集. https://doi.org/10.5066/F75Q4TKG.