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Conifer Needle Chlorophyll Fluorescence, Niwot Ridge, Colorado, USA, 2017-2018

Overview

DOIhttps://doi.org/10.3334/ORNLDAAC/1722
Version1
Project
Published2019-11-22
Updated2019-11-22
Usage342 downloads
Download Data332.3 KBUser Guide

Description

This dataset provides chlorophyll fluorescence measurements made on pine and spruce needle tissues at the Niwot Ridge AmeriFlux Core site (US-NR1) near Nederland, Colorado, USA, during the summers of 2017 and 2018. Two types of measurements were made using pulse-amplitude-modulation (PAM) fluorometry: the photosystem II (PSII) operating efficiency in the light (Fq'/Fm' at variable light levels), and the maximum quantum efficiency of PSII photochemistry (Fv/Fm) on dark-acclimated tissues. Chlorophyll fluorescence measurements were made to determine seasonality of photosynthetic performance at the needle level.

Science Keywords

  • BIOSPHERE
  • ECOSYSTEMS
  • TERRESTRIAL ECOSYSTEMS
  • FORESTS
  • BIOSPHERE
  • ECOLOGICAL DYNAMICS
  • ECOSYSTEM FUNCTIONS
  • PHOTOSYNTHESIS
  • BIOSPHERE
  • VEGETATION
  • CHLOROPHYLL
  • BIOSPHERE
  • VEGETATION
  • LEAF CHARACTERISTICS

Data Use and Citation

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Crosscite Citation Formatter
Bowling, D.R., and B.A. Logan. 2019. Conifer Needle Chlorophyll Fluorescence, Niwot Ridge, Colorado, USA, 2017-2018. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1722

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Companion Files

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Dataset has 1 companion files.

  • Niwot_Ridge_CNPAM_Fluorescence.pdf