Field data from experiment testing organic amendments in restored wetlands
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Abstract
- Water levels data loggers repository.xlsx – raw data from Hobo U20L pressure sensor data loggers. Calculations converting raw readings (in PSI or kPa) to relative water elevations are included - based on measured well depth.
- Field data_repository.xlsx – Contains all raw data other than atmospheric gas and data logger data. Calculated parameters (e.g. bulk density and Simpson Index) are included with in-cell formulas.
- Field Data_Gas_Analysis_Repository.xlsx – Measured gas concentrations.
All instruments and software used to create the data are recorded in the manuscript.
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Data processing steps are shown on the spreadsheets except gas analysis. To estimate gas production rate, we plotted each data set and applied a best-fit linear curve in Excel. Bulk processing was not effective because the background (ambient) air samples at time T=0 were sometimes anomalously high because local air concentrations had been influenced by methane emission from nearby plots. In the cases where this was obvious, the T=0 values were omitted from the curve. Any methane curves with a negative slope, or where the r^2 value was less than 0.1 was considered zero methane emission. The table includes carbon dioxide and nitrous oxide, but only methane data were process for this report.
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http://creativecommons.org/licenses/by-nc-nd/3.0/us/