GLBRC Sustainability Data Catalog

Soil Moisture (Volumetric, Automated) — GLBRC Marginal Land Rainfall Exclusion Experiment

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Volumetric soil water content under rainfall exclusion “rainout” shelters and in adjacent “ambient” and “reserved” subplots of the Marginal Land Rainfall Exclusion Experiment measured with Campbell CS655 soil moisture sensors (https://www.campbellsci.com/cs655) buried horizontally at 10 cm and 25 cm depths and recorded hourly on Campbell CR800 dataloggers.

This datatable is part of the Marginal Land Rainfall Exclusion Experiment dataset. This dataset contains data from the GLBRC Marginal Land Rainfall Exclusion Experiment established in 2018 to examine the effects of drought on switchgrass production and composition. Rainfall exclusion (rainout) shelters are deployed over the growing season in fertilized split plots of the Switchgrass treatment (G5) at all sites of the Marginal Land Experiment (MLE) and in the Switchgrass treatment (G5) plots of the Biofuel Cropping System Experiment (BCSE) at the KBS GLBRC Intensive Site, which serves as a reference for cropped soils with higher fertility. Rainout shelters are deployed in four G5 replicate plots of the BCSE (R2-R5) and of the MLE (R1-R4) at all sites except Wisconsin Central–Hancock (R2-R4), which has only three replicates.

Note

Experiment: GLBRC Marginal Land Rainfall Exclusion Experiment
Data available from: July 2018 to May 2019
Dataset: GLBRC134
Datatable ID: GLBRC094-012.106
Core Areas Primary Production,Disturbance
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Last Updated 2023-02-01
Variate Description Units
site experiment site
subplot rainfall manipulation
datetime sample date and time
treatment crop treatment
replicate replicate nested in treatment
depth sampling depth centimeter
vwc volumetric water content m^3/m^3
ec electrical conductivity dS/m
temperature temperature at the sampling depth celsius
permittivity dielectric permittivity of the soil (in C2N-1m-2) divided by the dielectric permittivity of a vacuum (8.85E-12 C2N-1m-2). dimensionless
period microsecond
voltage ratio Volt/Volt
sheltered "sheltered" if the shelter was in place on the rainout treatment during this time. "open" if the shelter was not in place on the rainout treatment during this time. "unset" iif the shelter status has not yet been manually updated
sample id the internal sample id (for debugging purposes)

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Data Excerpt

site subplot sample_datetime treatment replicate depth vwc ec temperature permittivity period voltage_ratio sheltered sample_id
Michigan BCSE reserved 2023-05-15 22:00:00 +0000 G5 R3 10.0 0.259 0.08 20.71 13.96 1.582 1.098 unset 4277588
Michigan BCSE ambient 2023-05-15 22:00:00 +0000 G5 R3 10.0 0.288 0.075 18.33 15.77 1.62 1.093 unset 4277588
Michigan BCSE rainout 2023-05-15 22:00:00 +0000 G5 R3 10.0 0.246 0.072 20.94 13.18 1.562 1.09 unset 4277588
Michigan BCSE ambient 2023-05-15 22:00:00 +0000 G5 R3 25.0 0.375 0.218 16.2 22.49 1.786 1.267 unset 4277588
Michigan BCSE rainout 2023-05-15 22:00:00 +0000 G5 R3 25.0 0.317 0.144 16.83 17.84 1.676 1.182 unset 4277588
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