TY - JOUR
T1 - The Effect of the Vertical Source Distribution on Scalar Statistics within and above a Forest Canopy
AU - Edburg, S. L.
AU - Stock, D.
AU - Lamb, B. K.
AU - Patton, E. G.
PY - 2012/3
Y1 - 2012/3
N2 - Little is known about in-canopy processes that may alter forest-atmosphere exchanges of trace gases and aerosols. To improve our understanding of in-canopy mixing, we use large-eddy simulation to study the effect of scalar source/sink distributions on scalar concentration moments, fluxes, and correlation coefficients within and above an ideal forest canopy. Scalars are emitted from: (1) the ground, (2) the canopy, and (3) both the ground and the canopy; a scalar is also deposited onto the canopy. All scalar concentration moments, fluxes, and correlation coefficients are affected by the source location/distribution, as is the scalar segregation intensity. We conclude that vertical source/sink distribution has a profound impact on scalar concentration profiles, fluxes, correlation coefficient, and scalar segregation.
AB - Little is known about in-canopy processes that may alter forest-atmosphere exchanges of trace gases and aerosols. To improve our understanding of in-canopy mixing, we use large-eddy simulation to study the effect of scalar source/sink distributions on scalar concentration moments, fluxes, and correlation coefficients within and above an ideal forest canopy. Scalars are emitted from: (1) the ground, (2) the canopy, and (3) both the ground and the canopy; a scalar is also deposited onto the canopy. All scalar concentration moments, fluxes, and correlation coefficients are affected by the source location/distribution, as is the scalar segregation intensity. We conclude that vertical source/sink distribution has a profound impact on scalar concentration profiles, fluxes, correlation coefficient, and scalar segregation.
KW - Biogenic volatile organic compounds
KW - Dispersion
KW - Forest canopy
KW - Large-eddy simulation
KW - Scalar transport
KW - Turbulence
UR - https://www.scopus.com/pages/publications/84856386512
U2 - 10.1007/s10546-011-9686-1
DO - 10.1007/s10546-011-9686-1
M3 - Article
AN - SCOPUS:84856386512
SN - 0006-8314
VL - 142
SP - 365
EP - 382
JO - Boundary-Layer Meteorology
JF - Boundary-Layer Meteorology
IS - 3
ER -