Documentation of files included in the dataset for citation: A. Campeau, D. Vachon, K. Bishop, M.B. Nilsson and M.B. Wallin. Autumn destabilization of deep porewater CO2 store in a northern peatland driven by turbulent diffusion (2021). Nature Communications.

Time period: 2014-05-30 to 2018-01-01
Missing Data: formatted as "NA"


Citation: A. Campeau, D. Vachon, K. Bishop, M.B. Nilsson and M.B. Wallin. Autumn destabilization of deep porewater CO2 store in a northern peatland driven by turbulent diffusion (2021). Nature Communications. 


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File name: DailyCatotelmPorewaterCO2Store.csv
Description: Dataframe of the estimated catotelm porewater CO2 store per unit land area in the top 2 m of the peat profile
Fields/Units: (g C/m2)
Columns: 1.row number, 2. Dates, 3. Mean Store, 4. Maximum Store, 5. Mininum Store
Days/rows: from 2014-05-30 to 2018-01-01 (format: yyyy-mm-dd)

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File name: DailyCVCO2.csv
Description: Dataframe of the estimated daily coefficient of variation of porewater CO2 concentration estimated over a 7-day moving window (see orignal data in HourlyPorewaterCO2_Temp.csv). 
Fields/Units: no units
Depths/columns: 1. [0.13], 2. [0.25m], 3.[0.38m], 4.[0.75m], 5.[1.5m], 6.[2.5m], 7.[3.5m]
Days/rows: from 2014-05-30 to 2018-01-01 (format: yyyy-mm-dd)



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File name: DailyKz.csv
Description: Dataframe of the estimated daily porewater buoyancy frequency (N2) and apparent diffusion coefficient (Kapp) between different pairs of porewater depths. 
Fields/Units: N2 (s-2), Kapp (m2 s-1)
Columns: 1.row number, 2. Dates, 3 to 8. N2_”pair of depths”, 9 to 14. Kapp_”pair of depths”.
Days/rows: from 2014-05-30 to 2018-01-01 (format: yyyy-mm-dd)


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File name: DailyPorewaterCO2.csv
Description: Matrix of the daily averaged porewater CO2 concentration (see orignal data in HourlyPorewaterCO2_Temp.csv) (columns = depths, rows = days). Measurements between 0.13m and 1.5m are collected hourly, while measurements at 2.5m and 3.5m are collected monthly over the ice-free season and linearly interpolated over different days. 
Columns/Units: 
    • CO2 in mg C/L
Depths/columns: 1. [0.13], 2. [0.25m], 3.[0.38m], 4.[0.75m], 5.[1.5m], 6.[2.5m], 7.[3.5m]
Days/rows: from 2014-05-30 to 2018-01-01 (format: yyyy-mm-dd) 

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File name: DailyPorewaterTemperatureC.csv
Description: Dataframe of the daily averaged porewater temperature (see orignal data in HourlyPorewaterCO2_Temp.csv). 
Fields/Units: °C
Depths/columns:  1.row number, 2. Dates, 3. [0.13], 4. [0.25m], 5.[0.38m], 6.[0.75m], 7.[1.5m], 8.[2.5m], 9.[3.5m]
Days/rows: from 2014-05-30 to 2018-01-01 (format: yyyy-mm-dd)



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File name: HourlyPorewaterCO2_Temp.csv
Description: Original data containing hourly measurements of porewater CO2 concentration, temperature at different depths, together with water table position at the main study site location from 2014-05-30 to 2018-01-01.
Columns/Units: 
    • porewater CO2 concentration (mg C/L) at depths: 1. [0.13], 2. [0.25m], 3.[0.38m], 4.[0.75m], 5.[1.5m], 6.[2.5m], 7.[3.5m]
    • porewater temperature (°C) at depths: 1. [0.13], 2. [0.25m], 3.[0.38m], 4.[0.75m], 5.[1.5m], 6.[2.5m], 7.[3.5m]
    • water table depth (m relative to ground surface)
Rows/Date & Time: format: yyyy-mm-dd hh:mm:ss



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File name: ICOSdata.csv
Description: Original data collected by the ICOS Degerö Eddy-Covariance Instrument from 2014-05-30 to 2018-01-01, including Precipitation, atmospheric pressure, wind direction and speed, net ecosystem exchange (NEE), ecosystem respiration (ER), gross primary production (GPP), CH4 fluxes (fCH4).
Columns/Units: 
    • precipitation (mm)
    • atmospheric pressure (hpa)
    • wind direction (°)
    • wind speed (m/s)
    • NEE, ER, GPP, fCH4 (g/m2/h)
Rows/Date & Time: format: yyyy-mm-dd hh:mm



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File name: k600.csv
Description: Estimated air-water gas exchange coefficient (k600) from 2014-05-30 to 2018-01-01
Columns/Units: 
    • K600 (m/d) (mean, min, max)
Rows/Date & Time: format: yyyy-mm-dd hh:mm



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File name: StreamData.csv
Description: Original data containing stream discharge and estimated CO2 export upstream and downstream from 2014-05-30 to 2018-01-01
Columns/Units: 
    • Discharge (L/s)
    • Estimated CO2 export (mg/m2/h) at C17 (upstream) and C18 (downstream) location.
Rows/Date & Time: format: yyyy-mm-dd hh:mm