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Aerobic respiration controls on shale weathering, Geochimica et Cosmochimica Acta, 2023: Dataset

Creators: Lucien StolzeORCID, Bhavna AroraORCID, DIpankar Dwivedi, Carl SteefelORCID, Zhi Li, Sergio CarreroORCID, Benjamin Gilbert, Peter Nico, Markus BillORCID
Year: 2023
DOI: 10.15485/1987859
License: CC-BY 4.0
Location: The East River (ER) is a snow‐dominated, headwater basin of the Upper Colorado River Basin (UCRB) located in the western United States. The ER is the designated testbed of Lawrence Berkeley National Laboratory's Watershed Function Scientific Focus Area (WFSFA). Through WFSFA, observational networks have been established to measure stream discharge and precipitation chemistry. The ER is considered representative of many snow‐dominated headwaters of the Rocky Mountains. The study domain encompasses nearly 85 square km, a 1.4‐km vertical drop in elevation (4,120 to 2,760 m) and pristine alpine, subalpine, montane, and riparian ecosystems. The ER contains high‐energy mountain streams to low‐energy meandering floodplains and is eroding primarily into the Cretaceous, carbon‐rich, marine shale of the Mancos Formation. Additional metadata on specific locations within the watershed are provided in the following related data package: Varadharajan C. et al. (2022) doi:10.15485/1660962
Temporal extent: 2018-01-30 to 2019-03-19
Bounding box: 38.880°N to 39.034°N, -107.050°W to -106.880°W
Publisher: ESS_DIVE
Tags: CO2 concentration, mineral concentration, PLM transect, ESS-DIVE File Level Metadata Reporting Format, ESS-DIVE CSV File Formatting Guidelines Reporting Format, Alpine & Subalpine Ecology, Hydrology & Watersheds, Snow & Ice, Groundwater, Geology & Tectonics, Soil Science, Weather & Atmospheric Science, Biogeochemical Cycling, Gunnison Basin, Research Programs

Description

This data package was generated in order to support the development of a deep-time weathering model and to assess the coupling between shale weathering and aerobic respiration in the paper “Aerobic respiration controls on shale weathering” by Stolze et al., Geochimica et Cosmochimica Acta (2023). The package contains two csv files providing the average CO2(g) concentration profiles [ppm] and mineral concentration profiles [wt%], respectively. The CO2(g) concentration profiles were measured in the vicinity of the monitoring well PLM2 between January 2018 and April 2019. The gas samples were collected in the unsaturated zone to a depth of 1.52 m. The mineral concentration profiles were determined by X-Ray diffraction (XRD). The XRD measurements were performed on sub-core samples collected in the monitoring well PLM3 down to a depth of 7.01 m. The dataset additionally includes a file-level metadata (flmd.csv) file that lists each file contained in the dataset with associated metadata; and a data dictionary (dd.csv) file that contains column/row headers used throughout the files along with a definition, units, and data type. Update on 2024-05-28: Revised versions of the CSV data files (CO2_data_GCA_Stolze_et_al_2023.csv and XRD_data_GCA_Stolze_et_al_2023.csv) were made to apply ESS-DIVE's CSV reporting format guidelines. Updated versions of the File Level Metadata (v2_20240528_flmd.csv) and Data Dictionary (v2_20240528_dd.csv) files were updated to reflect the changes made to the CSV files.

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