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2017 Meander C sediment characterization from the East River, Colorado

Creators: Cam Anderson, Sam Ying, Frances Griswold, Genevieve Goebel, Malak TfailyORCID, Patricia Fox, Peter Nico, Scott Fendorf, Marco Keiluweit
Year: 2023
DOI: 10.15485/1994876
License: CC-BY 4.0
Location: Geographic description can be found in the following related data package: Fox et al. (2022) doi:10.15485/1860454.
Temporal extent: 2017-06-01 to 2017-06-30
Bounding box: 38.923°N to 38.923°N, -106.950°W to -106.950°W
Publisher: ESS_DIVE
Tags: EARTH SCIENCE > LAND SURFACE > SOILS, Soil organic carbon, Mineral-organic associations, FT-ICR-MS, Sequential extractions, Density fractionation, CATEGORICAL:NONE Iron, Aluminum, Calcium, Silicon, Root biomass, Mineral-associated organic carbon, Particulate organic carbon, Heavy fraction C/N ratio, Sequentially extracted iron, aluminum, and organic carbon, FT-ICR-MS on sequential extractions, volume_fraction_of_sand_in_soil, volume_fraction_of_silt_in_soil, volume_fraction_of_clay_in_soil, EARTH SCIENCE > LAND SURFACE > SOILS > SOIL PH, Hydrology & Watersheds, Field Methods & Monitoring, Gunnison Basin, Research Programs

Description

This dataset includes characterization data collected on sediment samples from Meander C as part of the Watershed Function Scientific Focus Area (SFA) located in the Upper Colorado River Basin. The data were collected to investigate the nature of mineral-organic associations across the meander transect and with depth. Samples were collected in 2017, and analyzed using sequential extractions (water, pyrophosphate, HCl, and dithionite) and density fractionation. Data collected include: texture, pH, root biomass, and metals (Fe, Al, Ca, Si) of bulk sediment samples; C and N of heavy fraction; and extractable OC, Fe, and Al, and organic matter characterization using high-resolution mass spectrometry (FT-ICR-MS) of sequential extractions. Sample locations are included in the ‘sample_metadata.xlsx” file. Sediment characterization data is included in the accompanying csv files: bulk and density fractions (MCB2017_density-and-bulk-fractions.csv), sequential extractions (MCB2017_sequential-extractions.csv), and FT-ICR-MS data from sequential extractions in three files to be read by the R package ftmsRanalysis (MCB2017_FTICRMS-sequential-edata.csv, MCB2017_FTICRMS-sequential-emeta.csv, and MCB2017_FTICRMS-sequential-fdata.csv). Sediment was collected in triplicate; ID’s refer to individual samples.

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