SoyFACE Fumigation Data Files

This data set is related to the SoyFACE experiments, which are open-air agricultural climate change experiments that have been conducted since 2001. The fumigation experiments take place at the SoyFACE farm and facility in Champaign County, Illinois during the growing season of each year, typically between June and October. - The <i>"SoyFACE Plot Information 2001 to 2021"</i> file contains information about each year of the SoyFACE experiments, including the fumigation treatment type (CO2, O3, or a combination treatment), the crop species, the plots (also referred to as 'rings' and labeled with numbers between 2 and 31) used in each experiment, important experiment dates, and the target concentration levels or 'setpoints' for CO2 and O3 in each experiment. - This data set includes files with minute readings of the fumigation levels (<i>"SoyFACE 1-Minute Fumigation Data Files"</i> folder) from the SoyFACE experiments. The <i>"Soyface 1-Minute Fumigation Data Files"</i> folder contains sub-folders for each year of the experiments, each of which contains sub-folders for each ring used in that year's experiments. This data set also includes hourly data files for the fumigation experiments (<i>"SoyFACE Hourly Fumigation Data Files"</i> folder) created from the 1-minute files, and hourly ambient/weather data files for each year of the experiments (<i>"Hourly Weather and Ambient Data Files"</i> folder). The ambient CO2 and O3 data are collected at SoyFACE, and the weather data are collected from the SURFRAD and WARM weather stations located near the SoyFACE farm. - The <i>"Fumigation Target Percentages"</i> file shows how much of the time the CO2 and O3 fumigation levels are within a 10 or 20 percent margin of the target levels when the fumigation system is turned on. - The <i>"Matlab Files"</i> folder contains custom code (Aspray, E.K.) that was used to clean the <i>"SoyFACE 1-Minute Fumigation Data"</i> files and to generate the <i>"SoyFACE Hourly Fumigation Data"</i> and <i>"Fumigation Target Percentages"</i> files. Code information can be found in the <i>"SoyFACE Hourly Fumigation Data Explanation"</i> file. - Finally, the <i>" * Explanation"</i> files contain information about the column names, units of measurement, and other pertinent information for each data file. *<b>NOTE:</b> We have identified some files in the “SoyFACE 1-Minute Fumigation Data Files” folder in our SoyFACE data set submission that were not downloaded properly - the files were present in the folder, but the actual files were empty. V3 ensures that there are no longer any empty files in the data set.

本数据集与SoyFACE实验相关，SoyFACE实验是一项始于2001年的露天农业气候变化实验。熏蒸实验每年在伊利诺伊州尚佩恩县的SoyFACE农场和设施进行，通常在每年的生长季节，即六月至十月之间进行。- 《2001至2021年SoyFACE实验地块信息》文件包含了SoyFACE实验每年实验的信息，包括熏蒸处理类型（CO2、O3或组合处理）、作物种类、每个实验中使用的地块（亦称‘环形’，并以2至31之间的数字标记）、重要的实验日期以及每个实验中CO2和O3的目标浓度水平或‘设定点’。- 本数据集包含SoyFACE实验的熏蒸水平分钟读数文件（“SoyFACE 1分钟熏蒸数据文件”文件夹），该文件夹包含每个实验年份的子文件夹，每个子文件夹又包含当年实验使用的每个环形子文件夹。此外，该数据集还包括从1分钟文件创建的熏蒸实验小时数据文件（“SoyFACE小时熏蒸数据文件”文件夹）以及每年实验的小时环境/天气数据文件（“每小时天气和环境数据文件”文件夹）。环境中的CO2和O3数据由SoyFACE收集，而天气数据则由位于SoyFACE农场附近的SURFRAD和WARM气象站收集。- 《熏蒸目标百分比》文件展示了当熏蒸系统开启时，CO2和O3熏蒸水平在目标水平10%或20%范围内的持续时间。- 《Matlab文件》文件夹包含用于清理《SoyFACE 1分钟熏蒸数据》文件以及生成《SoyFACE小时熏蒸数据》和《熏蒸目标百分比》文件的定制代码（Aspray, E.K.）。代码信息可在《SoyFACE小时熏蒸数据说明》文件中找到。- 最后，《*说明》文件包含了关于每个数据文件列名、测量单位和其它相关信息的说明。*<b>注意：</b>在我们的SoyFACE数据集提交中，已识别出“SoyFACE 1分钟熏蒸数据文件”文件夹中的一些文件未能正确下载——文件存在于文件夹中，但实际文件为空。V3版本确保数据集中不再存在空文件。