Daily water stable isotopes, transpiration, and matrix potential data for an aspen and engelmann stand in the East River Watershed (version 2)

Sprenger, Matthias; Seeger, Stefan; Berkelhammer, Max

doi:10.15485/2462766

Title: Daily water stable isotopes, transpiration, and matrix potential data for an aspen and engelmann stand in the East River Watershed (version 2)

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Abstract

We provide daily stable isotope (2H & 18O) ratios in soil water and xylem (plant stem) water, as well as the sap flow (transpiration) and the soil's matric potential at a forested site near Gothic, Colorado, in the East River catchment. We measured the stable isotopic composition of the transpiration and the daily transpiration flux sum of three aspen and three engelmann spruce. In both forest stands, we installed a soil profile and measured the soil matric potential at 15, 30, and 60 cm depth as well as the stable isotopes of soil pore water at 5, 10, 30, 60, and 90 cm depths. All isotope measurements were done in situ via vapor probes connected to a cavity ring down spectrometer (Picarro L1240i).We further report the daily meteorological data observed at billy barr near our study site. We also provide for each tree the relative share of root water uptake derived from the isotope measurements via a Bayesian mixing model (MixSIAR).The daily data is provided as a time series in "Iso_MP_Sap_DataDaily_ESSDiveUpload.csv" and the units are provided in "dd.csv"; the location of the instrumented trees and soil profiles are given as latitude and longitude coordinates saved as CSV and KMZ files;more »« less

Authors:

;

Lawrence Berkeley Lab
Chair of Soil Physics, Department of Crop Sciences, University of Göttingen
Department of Earth and Environmental Sciences, University of Illinois Chicago

Publication Date:: Fri Oct 11 00:00:00 EDT 2024

DOE Contract Number:: AC02-05CH11231

Research Org.:: Watershed Function SFA

Sponsoring Org.:: U.S. DOE > Office of Science > Biological and Environmental Research (BER); U.S. DOE > Laboratory Directed Research and Development (LDRD) > Lawrence Berkeley National Laboratory

Subject:: 54 ENVIRONMENTAL SCIENCES; EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR PROCESSES > EVAPOTRANSPIRATION; EARTH SCIENCE > BIOSPHERE > VEGETATION; EARTH SCIENCE > LAND SURFACE > SOILS; EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT; EARTH SCIENCE > TERRESTRIAL HYDROSPHERE; EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SURFACE WATER; EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > ISOTOPES > STABLE ISOTOPES; ESS-DIVE CSV File Formatting Guidelines Reporting Format; ESS-DIVE File Level Metadata Reporting Format

OSTI Identifier:: 2462766

DOI:: https://doi.org/10.15485/2462766

Citation Formats


                    Sprenger, Matthias, Seeger, Stefan, and Berkelhammer, Max. Daily water stable isotopes, transpiration, and matrix potential data for an aspen and engelmann stand in the East River Watershed (version 2).  United States: N. p., 2024. 
        Web.  doi:10.15485/2462766.

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                    Sprenger, Matthias, Seeger, Stefan, & Berkelhammer, Max. Daily water stable isotopes, transpiration, and matrix potential data for an aspen and engelmann stand in the East River Watershed (version 2).  United States.  doi:https://doi.org/10.15485/2462766

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                    Sprenger, Matthias, Seeger, Stefan, and Berkelhammer, Max. 2024.  
"Daily water stable isotopes, transpiration, and matrix potential data for an aspen and engelmann stand in the East River Watershed (version 2)".  United States.  doi:https://doi.org/10.15485/2462766.  https://www.osti.gov/servlets/purl/2462766. Pub date:Fri Oct 11 00:00:00 EDT 2024

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@article{osti_2462766,

  title        = {Daily water stable isotopes, transpiration, and matrix potential data for an aspen and engelmann stand in the East River Watershed (version 2)},

  author       = {Sprenger, Matthias and Seeger, Stefan and Berkelhammer, Max},

  abstractNote = {We provide daily stable isotope (2H & 18O) ratios in soil water and xylem (plant stem) water, as well as the sap flow (transpiration) and the soil's matric potential at a forested site near Gothic, Colorado, in the East River catchment. We measured the stable isotopic composition of the transpiration and the daily transpiration flux sum of three aspen and three engelmann spruce. In both forest stands, we installed a soil profile and measured the soil matric potential at 15, 30, and 60 cm depth as well as the stable isotopes of soil pore water at 5, 10, 30, 60, and 90 cm depths. All isotope measurements were done in situ via vapor probes connected to a cavity ring down spectrometer (Picarro L1240i).We further report the daily meteorological data observed at billy barr near our study site. We also provide for each tree the relative share of root water uptake derived from the isotope measurements via a Bayesian mixing model (MixSIAR).The daily data is provided as a time series in "Iso_MP_Sap_DataDaily_ESSDiveUpload.csv" and the units are provided in "dd.csv"; the location of the instrumented trees and soil profiles are given as latitude and longitude coordinates saved as CSV and KMZ files; and a file-level metadata (flmd.csv) file that lists each file contained in the dataset with associated metadata.The data was gathered to investigate the short-term changes of the water sources (i.e., variation of root water uptake from different soil depths) of the studied subalpine trees.Update 07/16/2025: The relative and absolute plant water uptake depths were grouped to ensure that the MixSIAR model was applied with endmembers that differed in their d2H value by at least 3 permill and at least 1 permill for d18O. Whenever the difference between observed d2H values for two or more probes at neighboring depths was less than 3 permill, we used the average value for the source water endmember. For days at which probes that were not next to each other measurements did not differ at least 3 permill, the average of all probes between these two depths was used as the water source endmember representing the depth range between these two probes.},

  doi          = {10.15485/2462766},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Fri Oct 11 00:00:00 EDT 2024},

  month        = {Fri Oct 11 00:00:00 EDT 2024}

}

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DOI: https://doi.org/10.15485/2462766

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