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Projected rainfall changes and their implications for rainfed agriculture in northern Ghana
Weather ( IF 2.3 ) Pub Date : 2021-07-07 , DOI: 10.1002/wea.4015 Nana Ama Browne Klutse 1, 2 , Kwadwo Owusu 3 , Francis Nkrumah 4 , Ohene Asa Anang 3
Weather ( IF 2.3 ) Pub Date : 2021-07-07 , DOI: 10.1002/wea.4015 Nana Ama Browne Klutse 1, 2 , Kwadwo Owusu 3 , Francis Nkrumah 4 , Ohene Asa Anang 3
Affiliation
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Downscaling of an ensemble of eight Regional Climate Models forced with five Global Climate Models was performed for the emission scenarios pathways RCP 2.6 and 8.5 using observed daily rainfall data from 1980 to 2014 over northern Ghana. Results indicate an increasing trend in annual total rainfall, higher inter-annual variability and a higher frequency of extremes under both scenarios. Smallholder farmers are likely to be negatively impacted as increases in global temperature, elevated carbon levels and wet spells could damage crops and pasture composition.
中文翻译：
预计降雨量变化及其对加纳北部雨养农业的影响
使用 1980 年至 2014 年在加纳北部观测到的每日降雨数据，对排放情景路径 RCP 2.6 和 8.5 强制使用五个全球气候模型的八个区域气候模型的集合进行降尺度。结果表明，在两种情景下，年总降雨量都有增加的趋势，年际变率更高，极端事件的频率更高。由于全球温度升高、碳含量升高和潮湿天气可能会损害作物和牧场组成，小农很可能会受到负面影响。
更新日期：2021-07-07
中文翻译：
预计降雨量变化及其对加纳北部雨养农业的影响
使用 1980 年至 2014 年在加纳北部观测到的每日降雨数据，对排放情景路径 RCP 2.6 和 8.5 强制使用五个全球气候模型的八个区域气候模型的集合进行降尺度。结果表明，在两种情景下，年总降雨量都有增加的趋势，年际变率更高，极端事件的频率更高。由于全球温度升高、碳含量升高和潮湿天气可能会损害作物和牧场组成，小农很可能会受到负面影响。
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