Articles | Volume 21, issue 7
https://doi.org/10.5194/bg-21-1801-2024
https://doi.org/10.5194/bg-21-1801-2024
Research article
 | 
11 Apr 2024
Research article |  | 11 Apr 2024

Inclusion of bedrock vadose zone in dynamic global vegetation models is key for simulating vegetation structure and function

Dana A. Lapides, W. Jesse Hahm, Matthew Forrest, Daniella M. Rempe, Thomas Hickler, and David N. Dralle

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Cited articles

Bond, W. J., Woodward, F. I., and Midgley, G. F.: The global distribution of ecosystems in a world without fire, New Phytol., 165, 525–538, 2005. a
Cannon, W. A.: The root habits of desert plants, vol. 131, Carnegie Institution of Washington, 1911. a
Cowling, R. M., Rundel, P. W., Lamont, B. B., Arroyo, M. K., and Arianoutsou, M.: Plant diversity in Mediterranean-climate regions, Trends Ecol. Evol., 11, 362–366, 1996. a
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Water stored in weathered bedrock is rarely incorporated into vegetation and Earth system models despite increasing recognition of its importance. Here, we add a weathered bedrock component to a widely used vegetation model. Using a case study of two sites in California and model runs across the United States, we show that more accurately representing subsurface water storage and hydrology increases summer plant water use so that it better matches patterns in distributed data products.
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