Visible to near-infrared spectral reflectance along the NGEE-Arctic tram transect, Utqiagvik (Barrow), Alaska, 2015–2018

Serbin, Shawn; McMahon, Andrew; Lewin, Keith; Chafe, Oriana; Curtis, Bryan; Ely, Kim

doi:10.5440/1183993

Title: Visible to near-infrared spectral reflectance along the NGEE-Arctic tram transect, Utqiagvik (Barrow), Alaska, 2015–2018

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Abstract

Canopy spectral reflectance collected measured in 2015–2018 along the NGEE-Arctic tram located on the Barrow Environmental Observatory (BEO), Barrow, Alaska. Measurements were made using a PP-Systems UniSpec-DC spectrometer mounted on an automatically operated instrument cart. Spectra were collected at 137 stop points at 0.5 m intervals along the tram transect. Transect runs were collected daily, or multiple times per day, from April or May through to August or September each year. Downwelling radiance was measured using a 2 meter fiber optic cable connected to a cosine diffuser. Upwelling (i.e. reflected) radiance was measured using a 2 meter cable connected to a 12 degree field-of-view (FOV) lens. Canopy reflectance was calculated using the ratio of upwelling to downwelling radiance measured over a 99.99% reflectance Spectralon standard measured at the start of each measurement set. Unprocessed spectral data are presented in .spu files. Metadata are provided in csv files, and the instrument manual (pdf).The Next-Generation Ecosystem Experiments: Arctic (NGEE Arctic), was a 15-year research effort (2012-2027) to reduce uncertainty in Earth System Models by developing a predictive understanding of carbon-rich Arctic ecosystems and feedbacks to climate. NGEE Arctic was supported by the Department of Energy's Office of Biological and Environmental Research.The NGEEmore »« less

Authors:

;

; Curtis, Bryan;

Publication Date:: Thu Mar 07 00:00:00 EST 2024

Other Number(s):: NGA106
ngee_948559458399ACC63A44B6E4E01AEC322018_11_02_112307755

DOE Contract Number:: DE-AC05-00OR22725

Research Org.:: Next Generation Ecosystems Experiment - Arctic, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (US); NGEE Arctic, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

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

Collaborations:: ORNL

Subject:: 54 Environmental Sciences

Keywords:: ESS-DIVE CSV File Formatting Guidelines Reporting Format; ESS-DIVE File Level Metadata Reporting Format; Earth Remote Sensing Instruments > Passive Remote Sensing > Spectrometers/Radiometers > Hyperspectral Spectrometers/Radiometers; Barrow; Alaska; Utqiagvik

OSTI Identifier:: 1183993

DOI:: https://doi.org/10.5440/1183993

Citation Formats


                    Serbin, Shawn, McMahon, Andrew, Lewin, Keith, Chafe, Oriana, Curtis, Bryan, and Ely, Kim. Visible to near-infrared spectral reflectance along the NGEE-Arctic tram transect, Utqiagvik (Barrow), Alaska, 2015–2018.  United States: N. p., 2024. 
        Web.  doi:10.5440/1183993.

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                    Serbin, Shawn, McMahon, Andrew, Lewin, Keith, Chafe, Oriana, Curtis, Bryan, & Ely, Kim. Visible to near-infrared spectral reflectance along the NGEE-Arctic tram transect, Utqiagvik (Barrow), Alaska, 2015–2018.  United States.  doi:https://doi.org/10.5440/1183993

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                    Serbin, Shawn, McMahon, Andrew, Lewin, Keith, Chafe, Oriana, Curtis, Bryan, and Ely, Kim. 2024.  
"Visible to near-infrared spectral reflectance along the NGEE-Arctic tram transect, Utqiagvik (Barrow), Alaska, 2015–2018".  United States.  doi:https://doi.org/10.5440/1183993.  https://www.osti.gov/servlets/purl/1183993. Pub date:Thu Mar 07 00:00:00 EST 2024

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@article{osti_1183993,

  title        = {Visible to near-infrared spectral reflectance along the NGEE-Arctic tram transect, Utqiagvik (Barrow), Alaska, 2015–2018},

  author       = {Serbin, Shawn and McMahon, Andrew and Lewin, Keith and Chafe, Oriana and Curtis, Bryan and Ely, Kim},

  abstractNote = {Canopy spectral reflectance collected measured in 2015–2018 along the NGEE-Arctic tram located on the Barrow Environmental Observatory (BEO), Barrow, Alaska. Measurements were made using a PP-Systems UniSpec-DC spectrometer mounted on an automatically operated instrument cart. Spectra were collected at 137 stop points at 0.5 m intervals along the tram transect. Transect runs were collected daily, or multiple times per day, from April or May through to August or September each year. Downwelling radiance was measured using a 2 meter fiber optic cable connected to a cosine diffuser. Upwelling (i.e. reflected) radiance was measured using a 2 meter cable connected to a 12 degree field-of-view (FOV) lens. Canopy reflectance was calculated using the ratio of upwelling to downwelling radiance measured over a 99.99% reflectance Spectralon standard measured at the start of each measurement set. Unprocessed spectral data are presented in .spu files. Metadata are provided in csv files, and the instrument manual (pdf).The Next-Generation Ecosystem Experiments: Arctic (NGEE Arctic), was a 15-year research effort (2012-2027) to reduce uncertainty in Earth System Models by developing a predictive understanding of carbon-rich Arctic ecosystems and feedbacks to climate. NGEE Arctic was supported by the Department of Energy's Office of Biological and Environmental Research.The NGEE Arctic project had two field research sites: 1) located within the Arctic polygonal tundra coastal region on the Barrow Environmental Observatory (BEO) and the North Slope near Utqiagvik (Barrow), Alaska and 2) multiple areas on the discontinuous permafrost region of the Seward Peninsula north of Nome, Alaska.Through observations, experiments, and synthesis with existing datasets, NGEE Arctic provided an enhanced knowledge base for multi-scale modeling and contributed to improved process representation at global pan-Arctic scales within the Department of Energy's Earth system Model (the Energy Exascale Earth System Model, or E3SM), and specifically within the E3SM Land Model component (ELM).},

  doi          = {10.5440/1183993},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Mar 07 00:00:00 EST 2024},

  month        = {Thu Mar 07 00:00:00 EST 2024}

}

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DOI: https://doi.org/10.5440/1183993

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