Washington State University, Department of Civil &Environmental Engineering, Pullman, Washington 99164, USA.
Washington State University, Center for Environmental Research, Education, and Outreach (CEREO), PACCAR, Pullman, Washington 99164, USA.
Sci Data. 2017 May 16;4:170069. doi: 10.1038/sdata.2017.69.
Human activities have increased atmospheric nitrogen and phosphorus deposition rates relative to pre-industrial background. In the Western U.S., anthropogenic nutrient deposition has increased nutrient concentrations and stimulated algal growth in at least some remote mountain lakes. The Georeferenced Lake Nutrient Chemistry (GLNC) Database was constructed to create a spatially-extensive lake chemistry database needed to assess atmospheric nutrient deposition effects on Western U.S. mountain lakes. The database includes nitrogen and phosphorus water chemistry data spanning 1964-2015, with 148,336 chemistry results from 51,048 samples collected across 3,602 lakes in the Western U.S. Data were obtained from public databases, government agencies, scientific literature, and researchers, and were formatted into a consistent table structure. All data are georeferenced to a modified version of the National Hydrography Dataset Plus version 2. The database is transparent and reproducible; R code and input files used to format data are provided in an appendix. The database will likely be useful to those assessing spatial patterns of lake nutrient chemistry associated with atmospheric deposition or other environmental stressors.
人类活动增加了大气氮磷沉积速率，与工业化前的背景相比。在美国西部，人为营养物质的沉积增加了营养物质的浓度，并刺激了一些偏远山区湖泊中的藻类生长。地理参考湖泊营养化学数据库（GLNC）是为了创建一个广泛的湖泊化学数据库而构建的，该数据库需要评估大气营养物质沉积对美国西部山区湖泊的影响。该数据库包括 1964 年至 2015 年的氮磷水化学数据，其中包括美国西部 3602 个湖泊的 51048 个样本中采集的 148336 个化学结果。数据来自公共数据库、政府机构、科学文献和研究人员，并被格式化为一致的表格结构。所有数据都被地理参考到修改后的国家水文数据集加版本 2。该数据库是透明和可重复的；用于格式化数据的 R 代码和输入文件都在附录中提供。该数据库可能对那些评估与大气沉积或其他环境胁迫因素相关的湖泊营养化学空间模式的人有用。
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