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  • 2020-2024  (2)
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  • 1
    Publication Date: 2024-01-13
    Description: Soil pits were dug and sampled by horizon using National Resource Conservation Service (NRCS) methods at 20 locations chosen to represent the heterogeneity of soils present. The sampled pits were within a 36,000 acre plantation that produced sugarcane for more than a century on the island of Maui in the State of Hawaii. To investigate the relationship between physicochemical soil properties and soil organic carbon stocks and dynamics in disturbed tropical agricultural landscapes we analyzed bulk soil organic carbon, incubated soils for ninety days, and measured many physicochemical properties of interest. This dataset includes the physicochemical properties measured by soil horizon.
    Keywords: Agriculture; Alae_AcA; Alae_AcB; Aluminium, dithionite-citrate-leached; Aluminium, hydroxylamine-HCl-leached; Aluminium, pyrophosphate-leached; Anion exchange capacity; biogeochemical data; Calcium; Carbon loss, total; Cation exchange capacity; Clay; Compulsive exchange using barium chloride and magnesium sulfate; Continuous flow colorimetry and flame-spectroscopy; DATE/TIME; Decay rate of fast pool, carbon per unit soil mass; Decay rate of slow pool, carbon per unit soil mass; Density, dry bulk; DEPTH, soil; Depth, soil, maximum; Depth, soil, minimum; Dry sieved soil, 〈 250 μm; Dry sieved soil, 〉 250 μm; Eijkelkamp wet sieving device, 〈 250 μm; Eijkelkamp wet sieving device, 〉 250 μm; Elemental analyzer after acid digestion of inorganic carbon; Event label; Ewa_EaA; Ewa_EcB; Extracted using Olsen's method, measured by continuous flow colorimetry; Haliimaile_HhB; Hamakuapoko_HlB; Humidity, relative; Identification; Iron, dithionite-citrate-leached; Iron, hydroxylamine-HCl-leached; Iron, pyrophosphate-leached; Jaucas_JaC; Keahua_KnB; LATITUDE; LONGITUDE; Macro aggregates, dry soil, 〉 250 µm; Macro aggregates, non-water-stable; Macro aggregates, rocks; Macro aggregates, roots; Macro aggregates, water-stable; Magnesium; Maui, Hawaii, USA; Measured in 10:1 slurry in water; Micro aggregates, dry soil, 〈 250 µm; Molokai_MuA; Molokai_MuB; Organic carbon, soil; Paia_PcB_1; Paia_PcB_2; pH, soil; Phosphorus, available; Potassium; Precipitation, annual mean; Pulehu_PpA; Pulehu_PrA; Pulehu_PsA; Pulehu_PtA; Sample ID; Sand; Sedimentary separation; Series; Silicon, dithionite-citrate-leached; Silicon, hydroxylamine-HCl-leached; Silicon, pyrophosphate-leached; Silt; Size of fast carbon pool; Sodium; SOIL; soil carbon; Soil carbon efflux; Soil order; Soil profile; Soil shaken in reagent for 16 hours, centrifuged at 20,000g, filtered, measured by Inductively Coupled Plasma (ICP) analysis; Soil shaken in reagent for 16 hours, filtered, measured by Inductively Coupled Plasma (ICP) analysis; Soil water content; Subsampled from Rainfall Atlas of Hawaii; Symbol; Temperature, air, annual mean; Total amount of measured C lost as CO2 divided by total initial soil organic carbon (SOC) in incubation bottle; Transfer coefficient from fast to slow carbon pool; Transfer coefficient from slow to fast carbon pool; Tropical; Two-pool soil carbon compartment model and Markov-Chain Monte Carlo analysis in SoilR (Sierra et al. 2012); Waiakoa_WeB; Waiakoa_WfB; Waiakoa_WgB; Waiakoa_WlD2; Water remaining in soil at 15 kPa treatment using pressure plates (dry basis); Water-stable macro-aggregates dispersed by Na-hexametaphosphate, roots and rocks remained on sieve, roots separated from rocks by density in water and visually by forceps
    Type: Dataset
    Format: text/tab-separated-values, 3375 data points
    Location Call Number Expected Availability
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  • 2
    Publication Date: 2024-01-13
    Description: Soil pits were dug and sampled by horizon using National Resource Conservation Service (NRCS) methods at 20 locations chosen to represent the heterogeneity of soils present. The sampled pits were within a 36,000 acre plantation that produced sugarcane for more than a century on the island of Maui in the State of Hawaii. To investigate the relationship between physicochemical soil properties and soil organic carbon stocks and dynamics in disturbed tropical agricultural landscapes we analyzed bulk soil organic carbon, incubated soils for ninety days, and measured many physicochemical properties of interest. This dataset includes the 90 day incubation of each soil horizon at 25 °C.
    Keywords: Agriculture; Alae_AcA; Alae_AcB; biogeochemical data; Carbon dioxide efflux, cumulative, in mass CO2 carbon per soil carbon mass; Carbon dioxide efflux, cumulative, in mass CO2 carbon per soil carbon mass, standard deviation; Carbon dioxide efflux, cumulative, in mass CO2 carbon per soil mass; Carbon dioxide efflux, cumulative, in mass CO2 carbon per soil mass, standard deviation; Carbon dioxide efflux, in mass CO2 carbon per soil carbon mass; Carbon dioxide efflux, in mass CO2 carbon per soil carbon mass, standard deviation; Carbon dioxide efflux, in mass CO2 carbon per soil mass; Carbon dioxide efflux, in mass CO2 carbon per soil mass, standard deviation; Event label; Ewa_EaA; Ewa_EcB; Haliimaile_HhB; Hamakuapoko_HlB; Identification; Incubated in 500ml septa-capped square Nalgene bottles, gas concentrations measured by gas chromatography (GC); Jaucas_JaC; Keahua_KnB; Maui, Hawaii, USA; Molokai_MuA; Molokai_MuB; Paia_PcB_1; Paia_PcB_2; Pulehu_PpA; Pulehu_PrA; Pulehu_PsA; Pulehu_PtA; SOIL; soil carbon; Soil carbon efflux; Soil profile; Time, incubation; Tropical; Waiakoa_WeB; Waiakoa_WfB; Waiakoa_WgB; Waiakoa_WlD2
    Type: Dataset
    Format: text/tab-separated-values, 18750 data points
    Location Call Number Expected Availability
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