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Filtering by: Creator Mankin, Justin S. Creator Anderegg, William R.L. Type Dataset Keyword Gross primary productivity Keyword carbon cycle Keyword Earth system modeling Keyword Water limitation Keyword drought Language English

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1. Supplemental data for 'Soil moisture drought as a major driver of carbon cycle uncertainty", Geophysical Research Letters

Description:: Future projections suggest an increase in drought globally with climate change. Current vegetation models typically regulate the plant photosynthetic response to soil moisture stress through an empirical function, rather than a mechanistic response where plant water potentials respond to changes in soil water. This representation of soil moisture stress may introduce significant uncertainty into projections for the terrestrial carbon cycle. We examined the use of the soil moisture limitation function in historical and future emissions scenarios in nine Earth system models. We found that soil moisture-limited productivity across models represented a large and uncertain component of the simulated carbon cycle, comparable to 3-286% of current global productivity. Approximately 40-80% of the intermodel variability was due to the functional form of the limitation equation alone. Our results highlight the importance of implementing mechanistic water limitation schemes in models and illuminate several avenues for improving projections of the land carbon sink.
Keyword:: drought, soil moisture, Earth system modeling, carbon cycle, Water limitation , and Gross primary productivity
Creator:: Trugman, Anna T., Mankin, Justin S., Anderegg, William R.L., and Medvigy, David
Owner:: BRIAN MCBRIDE
Language:: English
Date Uploaded:: 07/11/2019
Date Modified:: 12/09/2021
Date Created:: Spring 2016
License:: CC BY – Allows others to use and share your data, even commercially, with attribution.
Resource Type:: Dataset
Identifier:: https://doi.org/10.7278/S5707ZMS

1. Supplemental data for 'Soil moisture drought as a major driver of carbon cycle uncertainty", Geophysical Research Letters

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1. Supplemental data for 'Soil moisture drought as a major driver of carbon cycle uncertainty", Geophysical Research Letters

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