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METADATA FOR WEEKLY CO2 FLUXES AND ENVIRONMENTAL DATA: WESTERN ICELAND (2023-2024)
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1. GENERAL INFORMATION
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File Name: AsraSalimi_Iceland_DrainedPeatland_Weekly_Fluxes_EnvVariables_2023_2024.csv
Location: W-Iceland (64.39° N, 21.89° W), Leakur Farm (LD site)

2. DATA STRUCTURE & TEMPORAL COVERAGE
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Start Date: 2023-01-20
End Date: 2025-01-01
Temporal Resolution: Weekly (7-day intervals start on Sundays)

3. VARIABLE DEFINITIONS
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Variable  | Units          | Aggregation | Description
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DateTime  | YYYY-MM-DD     | --          | Start of the weekly period(Sunday).
PAR       | umol m-2 s-1   | Mean        | Photosynthetically Active Radiation.
Ta        | degC           | Mean        | Air Temperature (2.5 m height).
Ts        | degC           | Mean        | Soil Temperature (10cm depth).
VPD       | hPa            | Mean        | Vapor Pressure Deficit.
SWC       | m3 m-3         | Mean        | Volumetric Soil Water Content.
WL        | m              | Mean        | Groundwater Level (from the soil surface).
Rain      | mm             | SUM         | Total weekly precipitation.
NEE       | umol m-2 s-1   | Mean        | Net Ecosystem Exchange (gap-filled).
GPP       | umol m-2 s-1   | Mean        | Gross Primary Production (partitioned).
Reco      | umol m-2 s-1   | Mean        | Ecosystem Respiration (partitioned).
NDVI      | --             | Interpolated| Normalized Difference Vegetation Index.
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