@Article{MoreiraCRWDGPD:2018:EsSoWa,
author = "Moreira, Virnei Silva and Candido, Luiz Antonio and Roberti,
Debora Regina and Webler, Geovane and Diaz, Marcelo Bortoluzzi and
Gon{\c{c}}alves, Lu{\'{\i}}s Gustavo Gon{\c{c}}alves de and
Pousa, Raphael and Degrazia, Gerv{\'a}sio Annes",
affiliation = "{Universidade Federal do Pampa} and {Instituto Nacional de
Pesquisas da Amaz{\^o}nia} and {Universidade Federal de Santa
Maria (UFSM)} and {Universidade Federal de Santa Maria (UFSM)} and
{Universidade Federal de Santa Maria (UFSM)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {Universidade Federal
de Vi{\c{c}}osa (UFV)} and {Universidade Federal de Santa Maria
(UFSM)}",
title = "Influence of soil properties in different management systems:
estimating soybean water changes in the Agro-IBIS model",
journal = "Earth Interactions",
year = "2018",
volume = "22",
pages = "1--19",
month = "Apr.",
keywords = "In situ observations, Land surface model, Model
evaluation/performance.",
abstract = "The water balance in agricultural cropping systems is dependent on
the physical and hydraulic characteristics of the soil and the
type of farming, both of which are sensitive to the soil
management. Most models that describe the interaction between the
surface and the atmosphere do not efficiently represent the
physical differences across different soil management areas. In
this study, the authors analyzed the dynamics of the water
exchange in the agricultural version of the Integrated Biosphere
Simulator (IBIS) model (Agro-IBIS) in the presence of different
physical soil properties because of the different long-term soil
management systems. The experimental soil properties were obtained
from two management systems, no tillage (NT) and conventional
tillage (CT) in a long-term experiment in southern Brazil in the
soybean growing season of 2009/10. To simulate NT management, this
study modified the top soil layer in the model to represent the
residual layer. Moreover, a mathematical adjustment to the
computation of leaf area index (LAI) is suggested to obtain a
better representation of the grain fill to the physiological
maturity period. The water exchange dynamics simulated using
Agro-IBIS were compared against experimental data collected from
both tillage systems. The results show that the model well
represented the water dynamics in the soil and the
evapotranspiration (ET) in both management systems, in particular
during the wet periods. Better results were found for the
conventional tillage management system for the water balance.
However, with the incorporation of a residual layer and soil
properties in NT, the model improved the estimation of
evapotranspiration by 6%. The ability of the Agro-IBIS model to
estimate ET indicates its potential application in future climate
scenarios.",
doi = "10.1175/EI-D-16-0033.1",
url = "http://dx.doi.org/10.1175/EI-D-16-0033.1",
issn = "1087-3562",
language = "en",
targetfile = "moreira_influence.pdf",
urlaccessdate = "23 abr. 2024"
}