Plant Properties Card Options (e-W)

Root-water Uptake and Stress Model Options

Zeng
Zeng with scaling Zeng with scaling normalizes the RLD function so the sum of the root fractions is equal to a user-specified value less than or equal to 1.0 (with default value of 1.0).
Vrugt
Jarvis

Optional: time-dependent crop coefficients

References

Jarvis NJ. 1989. A simple empirical model of root water uptake. Journal of Hydrology 107: 57-72.

Vrugt JA, MT van Wijk, JW Hopmans, and J Simunek. 2001. One-, two-, and three-dimensional root water uptake functions for transient modeling. Water Resources Research 37(10): 2457-2470.  

Ward AL, MD White, EJ Freeman, and ZF Zhang. 2005. STOMP: Subsurface Transport Over Multiple Phases, Version 1.0, Addendum: Sparse Vegetation Evapotranspiration Model for the Water-Air-Energy Operational Mode. PNNL-15465, Pacific Northwest National Laboratory, Richland, Washington.

Zeng X. 2001. Global vegetation root distribution for land modeling. American Meteorological Society 2:525-530.