气候变化领域集成服务门户(CCPortal): Assessment of surface runoff conditioned by road works and urban settlements in large plain basins

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DOI	10.1007/s11069-020-03905-0
	Assessment of surface runoff conditioned by road works and urban settlements in large plain basins
	Borzi G.; Santucci L.; Tanjal C.; Carol E.
发表日期	2020
ISSN	0921030X
起始页码	981
结束页码	994
卷号	101 期号:3
英文摘要	The province of Buenos Aires located in Argentina contains numerous agricultural plain basins of world importance among which the Samborombón river basin stands out, where regular floods affect agricultural activities and urban expansion. This sector has large road works with approach embankments that obstruct the natural drainage, a poorly planned urban growth, and an increase in the rainfall regime in recent decades. The aim of this work is to carry out an analysis and assessment of the surface runoff conditioned by road works and urban settlements in large plain basins, taking the Samborombón river basin as a case study. Satellite images were used to define the floodplain and identify the main road works and urban settlements that develop within it. Subsequently, hydrological simulations were carried out to assess how these anthropic structures modify the surface runoff and the flooded areas. To validate the simulation results, the flooded areas obtained were compared with a similar flood event of a Landsat image. The results show that the road works embankments and urban settlements restrict the floodplain area of the river, generating an increase in the flooded area and delaying the water runoff. This problem, together with the rainfall increase, shows the need to generate a territorial management plan and adopt mitigation measures. The use of sacrificial embankments could be an economic alternative that would prevent the obstruction of water runoff, being able to use the basin as a pilot site for this innovative idea. © 2020, Springer Nature B.V.
关键词	Flood risk Large road works Samborombón river basin Urban settlements
英文关键词	computer simulation; floodplain; hydrological modeling; hydrological response; land use; model validation; river basin; road; runoff; satellite imagery; urban area; Argentina; Buenos Aires [Argentina]
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/205609
作者单位	Centro de Investigaciones Geológicas, CONICET-UNLP, Diagonal 113 n#275, La Plata, Buenos Aires, Argentina; Facultad de Ciencias Naturales Y Museo, Universidad Nacional de La Plata, Av. 122 and 60, La Plata, Buenos Aires, Argentina
推荐引用方式 GB/T 7714	Borzi G.,Santucci L.,Tanjal C.,et al. Assessment of surface runoff conditioned by road works and urban settlements in large plain basins[J],2020,101(3).
APA	Borzi G.,Santucci L.,Tanjal C.,&Carol E..(2020).Assessment of surface runoff conditioned by road works and urban settlements in large plain basins.Natural Hazards,101(3).
MLA	Borzi G.,et al."Assessment of surface runoff conditioned by road works and urban settlements in large plain basins".Natural Hazards 101.3(2020).