Articles | Volume 2, issue 2/3
Hydrol. Earth Syst. Sci., 2, 299–302, 1998
https://doi.org/10.5194/hess-2-299-1998
Hydrol. Earth Syst. Sci., 2, 299–302, 1998
https://doi.org/10.5194/hess-2-299-1998

  30 Sep 1998

30 Sep 1998

An argument for the use of two-layer SVAT schemes to simulate terrestrial carbon dioxide fluxes

C. Huntingford, R. L. Hall, and A. Verhoef C. Huntingford et al.
  • Institute of Hydrology, Wallingford, OX10 8BB, U.K.

Abstract. An order-of-magnitude argument shows that the different surface temperatures of soil and sparse vegetation affect carbon assimilation and soil respiration significantly. However, regulation of assimilation through associated modulation of in-canopy carbon dioxide levels is weak.
It is shown that for many vegetation types, the use of a two-layer representation of vegetation is essential to predict, accurately, terrestrial carbon fluxes, primarily through allowing different surface energy balances.