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来源类型Peer Reviewed
规范类型其他
Assessing the evidence of climate variability in the northern part of Ethiopia
Gebreheiwot, Tagel; Other authors; van der Veen , Anne
发表日期2017-03-24
出版年2017
语种英语
摘要

Gebreheiwot, Tagel and Anne van der Veen . 2013. “Assessing the evidence of climate variability in the northern part of Ethiopia .” Journal of Development and Agricultural Economics 5:3: 104-119.
Download reference Doi:10.5897/JDAE12.056

In semi-arid highlands of northern Ethiopia, episodes of droughts of varying severity and duration occur. The occurrence of these droughts is associated mainly with the seasonal rainfall variability. This study attempts to investigate the temporal and spatial variability of climate parameters, particularly rainfall and temperature for the period 1954-2008. Standardized rainfall anomaly was used to examine the temporal characteristics of climate variability and determine the prevalence of droughts. Analysis of variance was also employed to establish significant differences in rainfall characteristics amongst different in-situ stations. The baseline climate data from each station was also spatially interpolated using ordinary kriging technique. The temporal analysis indicated an overall slight decrease in rainfall and an overall increase in the mean annual minimum and maximum temperatures over the study period. The analysis further revealed that the average annual minimum temperature over the region has been increasing by about 0.72ºC every ten years while average annual maximum temperature has been increasing by about 0.36ºC per decade. This shows that the northern part of Ethiopia is warming faster than the national average of 0.25ºC per decade. It is also observed that the average annual minimum temperature is increasing faster than average annual maximum temperature, which is an indication of warming nights over the years. 

主题Climate Change
URLhttps://efdinitiative.org/publications/assessing-evidence-climate-variability-northern-part-ethiopia
来源智库Environment for Development Initiative (Sweden)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/138360
推荐引用方式
GB/T 7714
Gebreheiwot, Tagel,Other authors,van der Veen , Anne. Assessing the evidence of climate variability in the northern part of Ethiopia. 2017.
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