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spatiotemporalcharacteristicsoftheextremeclimateeventsandtheirpotentialeffectsoncropyieldinethiopia
Song Shuai1; Li Fadong2; Lu Yonglong1; Kifayatullah Khan1; Xue Jianfang1; Leng Peifang2
2018
Source Publicationjournalofresourcesandecology
ISSN1674-764X
Volume009Issue:003Pages:290
Abstract在全球范围内极端气候事件呈现出增加的时空态势,对人类社会和自然生态系统产生严重影响。本研究以埃塞俄比亚为例,分析了1956年至2016年的极端温度和降水,并评估了极端气候对埃塞俄比亚作物产量的潜在影响。研究结果表明极端温度指数在低温事件中呈现下降趋势,但在极端高温事件中呈现出显着上升趋势,且每年暖夜日数(warm nights)的频率比冷昼日数(cold days)增加的程度更大。年总降水量以46 mm/decade的速度显着下降,干旱天数以5.6 d/decade的速度持续增加,降水天数则以1.4 d/decade的速度下降。此外,年降水量与作物产量显著相关,并且极端降水比极端温度对作物产量的年度变化影响更大。结果表明在没有适当气候应对措施的埃塞俄比亚地区,极端的气候变化已经对农作物产量产生了显着的不利影响。
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/119296
Collection中国科学院地理科学与资源研究所
Affiliation1.中国科学院生态环境研究中心
2.中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Song Shuai,Li Fadong,Lu Yonglong,et al. spatiotemporalcharacteristicsoftheextremeclimateeventsandtheirpotentialeffectsoncropyieldinethiopia[J]. journalofresourcesandecology,2018,009(003):290.
APA Song Shuai,Li Fadong,Lu Yonglong,Kifayatullah Khan,Xue Jianfang,&Leng Peifang.(2018).spatiotemporalcharacteristicsoftheextremeclimateeventsandtheirpotentialeffectsoncropyieldinethiopia.journalofresourcesandecology,009(003),290.
MLA Song Shuai,et al."spatiotemporalcharacteristicsoftheextremeclimateeventsandtheirpotentialeffectsoncropyieldinethiopia".journalofresourcesandecology 009.003(2018):290.
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