Coupled Climate-Economic Modes in the Sahel's Interannual Variability

被引：6
作者：
Garnot, Vivien Sainte Fare [1 ,2 ,3 ,4 ]
Groth, Andreas [5 ]
Ghil, Michael [1 ,2 ,3 ,4 ,5 ]
机构：
[1] Ecole Normale Super, Geosci Dept, CNRS, 24 Rue Lhomond, F-75005 Paris, France
[2] Ecole Normale Super, Lab Meteorol Dynam, CNRS, 24 Rue Lhomond, F-75005 Paris, France
[3] Ecole Normale Super, IPSL, 24 Rue Lhomond, F-75005 Paris, France
[4] PSL Res Univ, 24 Rue Lhomond, F-75005 Paris, France
[5] Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA USA
来源：
ECOLOGICAL ECONOMICS | 2018年 / 153卷
关键词：
Advanced spectral methods; Business cycles; Climate cycles; Climate impacts on the economy; Sahel climate; SINGULAR SPECTRUM ANALYSIS; TIME-SERIES; MULTIVARIATE DATASETS; RICE PRODUCTION; BUSINESS-CYCLE; EL-NINO; DYNAMICS; TREND; PRECIPITATION; OSCILLATIONS;
D O I：
10.1016/j.ecolecon.2018.07.006
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
We study the influence of interannual climate variability on the economy of several countries in the Sahel region. In the agricultural sector, we are able to identify coupled climate-economic modes that are statistically significant on interannual time scales. In particular, precipitation is a key climatic factor for agriculture in this semi-arid region. Locality and diversity characterize the Sahel's climatic and economic system, with the coupled climate-economic patterns exhibiting substantial differences from country to country. Large-scale atmospheric patterns - like the El Nifio-Southern Oscillation and its quasi-biennial and quasi-quadrennial oscillatory modes - have quite limited influence on the economies, while more location-specific rainfall patterns play an important role.
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收藏
页码：111 / 123
页数：13
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