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@ARTICLE{Gao:1017126,
author = {Gao, Huiran and Zhang, Zhijie and Chen, Hao and Zhang,
Wanchang and Xu, Chong and Yi, Yaning and Liu, Jinping and
Xiao, Zikang},
title = {{I}mpacts of seasonally frozen soil hydrothermal dynamics
on the watershed hydrological processes inferred from a
spatially distributed numerical modelling approach},
journal = {Journal of hydrology},
volume = {624},
issn = {0022-1694},
address = {Amsterdam [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2023-03947},
pages = {129947 -},
year = {2023},
note = {Ein Postprint kann leider nicht zur Verfügung gestellt
werden!},
abstract = {The freeze–thaw cycle over the surface seasonally frozen
soil is an important soil hydrothermal dynamic process
linking land surface processes and climatic changes in the
cold regions. With the advancement of frozen soil
hydrothermal dynamic studies and remote sensing technology,
the simulation of frozen soil hydrological processes based
on the distributed numerical model has become a hotspot to
better understand the impact of frozen soil hydrothermal
dynamics on the watershed hydrological processes in the cold
regions over a large spatial scale. However, the
quantitative analysis of the impact of seasonally frozen
soil hydrothermal processes on watershed runoff at long-term
time scales remained an unsolved issue in the field of
frozen soil hydrology. Under the framework of the watershed
distributed eco-hydrological model ESSI-3, a fully
distributed frozen soil hydro-thermal processes integrated
modeling system (FFIMS model) was established based on the
coupled water and heat transferring mechanism for frozen
soil hydro-thermal process simulations in the frozen surface
or at a certain depth of a watershed. By coupling the FFIMS
model with the distributed eco-hydrological model ESSI-3,
the impacts of seasonally frozen soil hydrothermal processes
on hydrological processes were investigated from the
perspective of temporal-spatial domain with the simulated
hydrothermal and hydrological processes for a long-term
period from 2008 to 2016 over a watershed located in the
cold region of Northeastern China. The results suggested
that the soil freeze–thaw cycling posed different impacts
with limited significance throughout the whole hydrological
processes of the watershed in different seasons. Significant
impacts on the hydrological processes were particularly
observed in the thawing period of a year, when soil ice
meltwater contributing to the discharge of the study
watershed reached to about $35\%$ in average in this period.
ESSI-3 coupled with the FFIMS modelling system obviously
improved the performance of the original ESSI-3 in cold
region watershed simulations, and the averaged Nash
efficiency coefficients obtained increased from almost 0 to
0.77 in the thawing period of a year. The study demonstrated
the importance of application of spatially distributed
numerical model with physical mechanism for seasonally
frozen soil water and heat transfer process simulations.},
cin = {IBG-3},
ddc = {690},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {2173 - Agro-biogeosystems: controls, feedbacks and impact
(POF4-217)},
pid = {G:(DE-HGF)POF4-2173},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001048829900001},
doi = {10.1016/j.jhydrol.2023.129947},
url = {https://juser.fz-juelich.de/record/1017126},
}