| DOI: | 10.1002/2014GL061859
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| 论文题名: | Satellite nighttime lights reveal increasing human exposure to floods worldwide |
| 作者: | Ceola S.; Laio F.; Montanari A.
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| 刊名: | Geophysical Research Letters
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| ISSN: | 0094-9668
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| EISSN: | 1944-9399
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| 出版年: | 2014
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| 卷: | 41, 期:20 | | 起始页码: | 7184
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| 结束页码: | 7190
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| 语种: | 英语
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| 英文关键词: | flood damage
; flood exposure
; nightlights
; river network
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| Scopus关键词: | Climate change
; Flood damage
; Losses
; Rivers
; High-resolution methods
; Human exposures
; Human settlements
; Mitigation strategy
; Night-time lights
; nightlights
; River network
; Temporal evolution
; Floods
; climate change
; flood damage
; human activity
; human settlement
; nature-society relations
; resolution
; satellite data
; satellite imagery
; temporal analysis
; Africa
; Asia
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| 英文摘要: | River floods claim thousands of lives every year, but effective and high-resolution methods to map human exposure to floods at the global scale are still lacking. We use satellite nightlight data to prove that nocturnal lights close to rivers are consistently related to flood damages. We correlate global data of economic losses caused by flooding events with nighttime lights and find that increasing nightlights are associated to flood damage intensification. Then, we analyze the temporal evolution of nightlights along the river network all over the world from 1992 to 2012 and obtain a global map of nightlight trends, which we associate with increasing human exposure to floods, at 1 km2 resolution. An enhancement of exposure to floods worldwide, particularly in Africa and Asia, is revealed, which may exacerbate the projected effects of climate change on flood-related losses and therefore argues for the development of valuable flood preparedness and mitigation strategies. Key Points Nightlights identify flood-prone areas1992-2012 nightlights are a proxy of human settlement evolutionIncreasing nightlights along rivers are associated to higher exposure to floods ©2014. American Geophysical Union. All Rights Reserved. |
| URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84911444727&doi=10.1002%2f2014GL061859&partnerID=40&md5=352a149fbb3cd1908ba4eed2fdb321ca
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/6932
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| Appears in Collections: | 气候减缓与适应
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作者单位: | Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Bologna, Italy
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| Recommended Citation: | |
Ceola S.,Laio F.,Montanari A.. Satellite nighttime lights reveal increasing human exposure to floods worldwide[J]. Geophysical Research Letters,2014-01-01,41(20).
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