Modeling the isoprene emission rate from leaves

Russell K. Monson, Rüdiger Grote, Ülo Niinemets, Jörg Peter Schnitzler

Research output: Contribution to journalReview articlepeer-review

95 Scopus citations


The leaves of many plants emit isoprene (2-methyl-1,3-butadiene) to the atmosphere, a process which has important ramifications for global and regional atmospheric chemistry. Quantitation of leaf isoprene emission and its response to environmental variation are described by empirically derived equations that replicate observed patterns, but have been linked only in some cases to known biochemical and physiological processes. Furthermore, models have been proposed from several independent laboratories, providing multiple approaches for prediction of emissions, but with little detail provided as to how contrasting models are related. In this review we provide an analysis as to how the most commonly used models have been validated, or not, on the basis of known biochemical and physiological processes. We also discuss the multiple approaches that have been used for modeling isoprene emission rate with an emphasis on identifying commonalities and contrasts among models, we correct some mathematical errors that have been propagated through the models, and we note previously unrecognized covariances within processes of the models. We come to the conclusion that the state of isoprene emission modeling remains highly empirical. Where possible, we identify gaps in our knowledge that have prevented us from achieving a greater mechanistic foundation for the models, and we discuss the insight and data that must be gained to fill those gaps.

Original languageEnglish (US)
Pages (from-to)541-559
Number of pages19
JournalNew Phytologist
Issue number3
StatePublished - Aug 2012


  • CO
  • Ozone
  • PPFD
  • Photochemistry
  • Photosynthesis
  • Temperature
  • Terpene
  • VOC

ASJC Scopus subject areas

  • Physiology
  • Plant Science


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