EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
5/26/2021 | 8:30 AM - 10:30 AM | HYDROLOGICAL EFFECT OF FOREST RESTORATION IN A FIRST-ORDER CATCHMENT | Virtual Platform
HYDROLOGICAL EFFECT OF FOREST RESTORATION IN A FIRST-ORDER CATCHMENT
The complex structure of the forest cover and its variation over time can alter the behavior of the hydrological regime in a catchment. Hydrological models are alternatives to simulate the hydrological effects of forest development that in the field can take a long time. In order to evaluate the hydrological age-related effect of the forest restoration, a coupled MIKE SHE/MIKE 11 model was developed for a first-order catchment (0.72 km2) in Brazil. We used meteorological and fluviometric data collected in the field and physical-hydraulic characteristics of the land use and soil properties to simulate all the water movement modules of the model. The structural development of forest and consequent improvement of soil characteristics decrease streamflow, low flow, peaks and flashiness index in addition to showed an increasing trend in baseflow. Thirty years is still a short time for the forest return from the high initial water consumption, however the structural development over time increased its ability to regulate flows in the catchment. Thus, these results imply an affectation on the physical habitat of the stream during the first stage of restoration, which is reduced over time with increased flow regulation
- Monitoring
- Models
- Flow regime
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Presenters/Authors
Diana Yulieth Peña Sierra
(), University of São Paulo, dianay.ps@usp.br;
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Lara Garcia
(), Forestry Science and Research Institute, lara@ipef.br;
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Silvio Ferraz
(), University of São Paulo, USP/ESALQ, Dept of Forest Sciences, Brazil, silvio.ferraz@usp.br;
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