Representation of Plant Hydraulics in the Noah‐MP Land Surface Model: Model Development and Multiscale Evaluation

Li, Lingcheng; Yang, Zong‐Liang; Matheny, Ashley M.; Zheng, Hui; Swenson, Sean C.; Lawrence, David M.; Barlage, Michael; Yan, Binyan; McDowell, Nate G.; Leung, L. Ruby

doi:10.1029/2020MS002214

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Representation of Plant Hydraulics in the Noah‐MP Land Surface Model: Model Development and Multiscale Evaluation

2021
By Li, Lingcheng ; Yang, Zong‐Liang ; Matheny, Ashley M. ; ...
Source: Journal of Advances in Modeling Earth Systems, 13(4)

[PDF-2.78 MB]

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Journal Title:

Journal of Advances in Modeling Earth Systems
Personal Author:

Li, Lingcheng ; Yang, Zong‐Liang ; Matheny, Ashley M. ; Zheng, Hui ; Swenson, Sean C. ; ... More +

Li, Lingcheng ; Yang, Zong‐Liang ; Matheny, Ashley M. ; Zheng, Hui ; Swenson, Sean C. ; Lawrence, David M. ; Barlage, Michael ; Yan, Binyan ; McDowell, Nate G. ; Leung, L. Ruby Less -
NOAA Program & Office:

NWS (National Weather Service) ; EMC (Environmental Modelling Center) ; NCEP (National Centers for Environmental Prediction)

NWS (National Weather Service) ; EMC (Environmental Modelling Center) ; NCEP (National Centers for Environmental Prediction) Less -
Description:

Plants are expected to face increasing water stress under future climate change. Most land surface models, including Noah-MP, employ an idealized “big-leaf” concept to regulate water and carbon fluxes in response to soil moisture stress through empirical soil hydraulics schemes (SHSs). However, such schemes have been shown to cause significant uncertainties in carbon and water simulations. In this paper, we present a novel plant hydraulics scheme (PHS) for Noah-MP (hereafter, Noah-MP-PHS), which employs a big-tree rather than big-leaf concept, wherein the whole-plant hydraulic strategy is considered, including root-level soil water acquisition, stem-level hydraulic conductance and capacitance, and leaf-
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Environmental Chemistry General Earth And Planetary Sciences Global And Planetary Change
Source:

Journal of Advances in Modeling Earth Systems, 13(4)
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https://doi.org/10.1029/2020MS002214
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1942-2466;1942-2466;
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:0d2c1cefdc33b25b12213f71ea80fca9529ac425365c30e7fc2263739e6eb725
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