SPRUCE Ground Observations of Phenology in Experimental Plots, 2024

Richardson, Andrew D.; Pearson, Kyle J.; Guilliams, Mark P.; Schädel, Christina; Giambuzzi, Perry J.; Warren, Jeffrey M.; Hanson, Paul J.

doi:10.25581/spruce.124/2568474

Title: SPRUCE Ground Observations of Phenology in Experimental Plots, 2024

Dataset
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Abstract

This data set consists of one comma separated (*.csv) file containing phenological transition dates, as derived from direct observations of vegetative and reproductive phenology recorded by a human observer, from the SPRUCE experiment during 2024 (2025-03-06 to 2025-11-21), the ninth full year of whole-ecosystem warming (Hanson et al. 2017). Both spring and autumn phenological events are included. Since April 2016, human observers have been directly tracking the phenology of both woody and herbaceous species on a weekly schedule within the SPRUCE experimental chambers, these data are reported in annual ground observations data sets (see Related Data Sets). The observed date reported here is the first survey date in 2024 on which an event/phenophase was definitively observed. This data set also contains a companion file in HTML (*.html) containing figures showing the relationship between the day of year and temperature treatment for different phenological phases by species for 2024.

Authors:

;

Northern Arizona Univ., Flagstaff, AZ (United States)
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Publication Date:: Tue Jun 03 00:00:00 EDT 2025

Other Number(s):: spruce.124

DOE Contract Number:: AC05-00OR22725

Research Org.:: Oak Ridge National Lab's Terrestrial Ecosystem Science Scientific Focus Area (ORNL TES SFA) (ORNLTESSFA)

Sponsoring Org.:: USDOE Office of Science (SC), Biological and Environmental Research (BER). Earth & Environmental Systems Science (EESS)

Subject:: 54 ENVIRONMENTAL SCIENCES; Marcell Experimental Forest; Peatland; SPRUCE Experiment; Spruce and Peatland Responses Under Changing Environments; phenological transition dates; reproductive phenology; vegetative phenology

OSTI Identifier:: 2568474

DOI:: https://doi.org/10.25581/spruce.124/2568474

Citation Formats


                    Richardson, Andrew D., Pearson, Kyle J., Guilliams, Mark P., Schädel, Christina, Giambuzzi, Perry J., Warren, Jeffrey M., and Hanson, Paul J. SPRUCE Ground Observations of Phenology in Experimental Plots, 2024.  United States: N. p., 2025. 
        Web.  doi:10.25581/spruce.124/2568474.

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                    Richardson, Andrew D., Pearson, Kyle J., Guilliams, Mark P., Schädel, Christina, Giambuzzi, Perry J., Warren, Jeffrey M., & Hanson, Paul J. SPRUCE Ground Observations of Phenology in Experimental Plots, 2024.  United States.  doi:https://doi.org/10.25581/spruce.124/2568474

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                    Richardson, Andrew D., Pearson, Kyle J., Guilliams, Mark P., Schädel, Christina, Giambuzzi, Perry J., Warren, Jeffrey M., and Hanson, Paul J. 2025.  
"SPRUCE Ground Observations of Phenology in Experimental Plots, 2024".  United States.  doi:https://doi.org/10.25581/spruce.124/2568474.  https://www.osti.gov/servlets/purl/2568474. Pub date:Tue Jun 03 00:00:00 EDT 2025

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@article{osti_2568474,

  title        = {SPRUCE Ground Observations of Phenology in Experimental Plots, 2024},

  author       = {Richardson, Andrew D. and Pearson, Kyle J. and Guilliams, Mark P. and Schädel, Christina and Giambuzzi, Perry J. and Warren, Jeffrey M. and Hanson, Paul J.},

  abstractNote = {This data set consists of one comma separated (*.csv) file containing phenological transition dates, as derived from direct observations of vegetative and reproductive phenology recorded by a human observer, from the SPRUCE experiment during 2024 (2025-03-06 to 2025-11-21), the ninth full year of whole-ecosystem warming (Hanson et al. 2017). Both spring and autumn phenological events are included. Since April 2016, human observers have been directly tracking the phenology of both woody and herbaceous species on a weekly schedule within the SPRUCE experimental chambers, these data are reported in annual ground observations data sets (see Related Data Sets). The observed date reported here is the first survey date in 2024 on which an event/phenophase was definitively observed. This data set also contains a companion file in HTML (*.html) containing figures showing the relationship between the day of year and temperature treatment for different phenological phases by species for 2024.},

  doi          = {10.25581/spruce.124/2568474},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Jun 03 00:00:00 EDT 2025},

  month        = {Tue Jun 03 00:00:00 EDT 2025}

}

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DOI: https://doi.org/10.25581/spruce.124/2568474

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