globalchange  > 气候减缓与适应
DOI: 10.1016/j.scitotenv.2018.09.289
WOS记录号: WOS:000447915400124
论文题名:
Wildfires and their impact on the water supply of a large neotropical metropolis: A simulation approach
作者: Rodrigues, Evandro Luis; Jacobi, Claudia Maria; Cortes Figueira, Jose Eugenio
通讯作者: Rodrigues, Evandro Luis
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN: 0048-9697
EISSN: 1879-1026
出版年: 2019
卷: 651, 页码:1261-1271
语种: 英语
英文关键词: Environmental services ; Native vegetation ; SWAT ; Water resources ; Wildfires ; Water balance
WOS关键词: FOREST-FIRE RISK ; LAND-USE ; RIVER-BASIN ; VEGETATION COVER ; CLIMATE-CHANGE ; GROUNDWATER RECHARGE ; CERRADO VEGETATION ; INFILTRATION RATES ; IRONSTONE OUTCROPS ; PLANT DIVERSITY
WOS学科分类: Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

Hydrological models are powerful tools to simulate the behavior of the water cycle in terrestrial systems and their water interface, including modifications resulting from anthropic activities. In such environments the water stocks depend heavily on the vegetation cover and the ecosystem services derived from it, as part of the interaction soil-plant-topography. Wildfires are disturbances capable of breaking the foundations of these delicate systems. We used the Soil and Water Assessment Tool (SWAT) to simulate the effects of vegetation fires on drainage basins, on the water supply of one of the largest Brazilian urban agglomerations. The model was fed and calibrated with historical hydroclimatic series (calibration January 2001-December 2008, validation January 2009-December 2015). The adjusted model allows to predict the impacts of fire extension on infiltration and runoff, a valuable information for land management, aiming at protecting aquifer recharge. The model predicts a scenario of large range fluctuations characterized by pulsed floods in the rainy season and drought in the dry season. The loss of protective vegetation cover due to fire reduces infiltration and increases runoff. This compromises groundwater recharge, leading to high deficits in groundwater storage and reducing the baseline flow of headsprings. (C) 2018 Elsevier B.V. All rights reserved.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/129989
Appears in Collections:气候减缓与适应

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作者单位: Univ Fed Minas Gerais, Dept Biol Geral, Av Antonio Carlos 6627, BR-31270901 Belo Horizonte, MG, Brazil

Recommended Citation:
Rodrigues, Evandro Luis,Jacobi, Claudia Maria,Cortes Figueira, Jose Eugenio. Wildfires and their impact on the water supply of a large neotropical metropolis: A simulation approach[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019-01-01,651:1261-1271
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