Title: Influence of spring phenology on seasonal and annual carbon balance in two contrasting New England forests
Author: Richardson, Andrew D.; Hollinger, David Y.; Dail, D. Bryan; Lee, John T.; Munger, J. William; O'Keefe, John;
Source: Tree Physiology. 29: 321-331.
Publication Series: Scientific Journal (JRNL)
Description: Spring phenology is thought to exert a major influence on the carbon (C) balance of temperate and boreal ecosystems. We investigated this hypothesis using four spring onset phenological indicators in conjunction with surface-atmosphere CO2 exchange data from the conifer-dominated Howland Forest and deciduous-dominated Harvard Forest AmeriFlux sites. All phonological measures, including CO2 source-sink transition dates, could be well predicted on the basis of a simple twoparameter spring warming model, indicating good potential for improving the representation of phonological transitions and their dynamic responsiveness to climate variability in land surface models.
Keywords: AmeriFlux, bud burst, carbon dioxide, eddy covariance, growing season length, phenology, spring onset, start of spring
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Richardson, Andrew D.; Hollinger, David Y.; Dail, D. Bryan; Lee, John T.; Munger, J. William; O'Keefe, John 2009. Influence of spring phenology on seasonal and annual carbon balance in two contrasting New England forests. Tree Physiology. 29: 321-331.
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