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Analysis data from soil heating experiment

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NIAID Data Ecosystem2026-03-10 收录
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https://figshare.com/articles/dataset/Analysis_data_from_soil_heating_experiment/4614973
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The data contains soil properties following laboratory heating treatment of five soils to six temperatures (150, 250, 350, 450, 550 and 650 Celsius). Description of variables:  Soil Series:  Soil series Geographic location (decimal degrees) Vista 36.97141 N, 119.56800 W Musick 37.06073 N, 119.37348 W Shaver 37.05405 N, 119.14498 W Sirretta 37.16189 N, 119.20198 W Chiquito 37.29214 N, 119.09464 W Replicate:  Sample replicate identification number. Heating Temperature:  Treatment temperature in Celsius. Untreated/control samples are assigned the value 25 (~room temperature).  Masslost:   Mass percent lost. Aggregate stability:  Water stable aggregate percent of soils measured by wet-sieving. pH-water:  Soil pH measured in 1:2 suspension-solution ratio mixture in a deionized water. pH-CaCl2:  Soil pH measured in 1:2 suspension-solution ratio mixture in 0.01M CaCl2 solution. Specific Surface Area:  Mass loss adjusted specific surface area in m2/g measured by an automated N2-BET analyzer. CEC:  Mass loss adjusted cation exchange capacity in cmolc/kg measured by barium exchange method. Values below the instrument minimum detection limit (2cmolc/kg) have been assigned a value of 1. Macroaggregate:  Mass percent of 2-0.25 mm size aggregates determined by dry-sieving. Microaggregates:  Mass percent of 0.25-0.053 mm size aggregates determined by dry-sieving. Silt-clay-size:  Mass percent of <0.053 mm size aggregates determined by dry-sieving. del-15-N:  Per mill (‰) δ15N isotope concentration. del-13-C:Per mill (‰) δ13C isotope concentration. N:  Mass percent nitrogen concentration. C:  Mass percent carbon concentration C:N ratio:  Carbon to nitrogen elemental mass ratio. Size Fraction:  Aggregate size class determined by dry-sieving. Data description for the FTIR data: The fist column is the mid infrared wavenumber from Fourier transform infrared spectroscopy (FTIR) in cm-1. The rest of the columns are the relative infrared absorption spectrum values for each sample-treatment combination.
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2017-02-03
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