Winter Climate of Northeastern Dominican Republic and Cash Crop Production

IF 3 Q2 METEOROLOGY & ATMOSPHERIC SCIENCES Climate Pub Date : 2023-07-27 DOI:10.3390/cli11080161
M. Jury
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Abstract

The winter climate of the northeastern Dominican Republic features steady rainfall, which sustains cash crop production. Using a representative season, December 2016–February 2017, the mesoscale climate is characterized by high-resolution reanalysis, satellite measurements and local observations, and statistical analyses of time series from an index area of 18.8–19.6° N, 70.4–69.6° W in the Cibao Valley, where cacao and coffee are grown. Winter rainfall depends on strong trade winds that push shallow stratiform convections over 100 km inland, where nocturnal drainage flows induce orographic uplift. Interannual climate variability is studied in the context of cacao and coffee production in the years 1976–2019. Lag correlations demonstrate that higher yields follow a wet autumn, a windy winter with cool sea temperatures, and a dry spring. Changes in high-value agricultural production in the northeastern Dominican Republic may be anticipated by the climatic determinants uncovered here.
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多米尼加共和国东北部冬季气候与经济作物生产
多米尼加共和国东北部的冬季气候以稳定的降雨为特征,这维持了经济作物的生产。利用代表性季节(2016年12月- 2017年2月),通过高分辨率再分析、卫星测量和当地观测,以及对可可和咖啡种植区磁宝河谷18.8-19.6°N、70.4-69.6°W指数区域的时间序列进行统计分析,对中尺度气候进行了表征。冬季降雨依赖于强烈的信风,这些信风推动内陆100公里以上的浅层对流,夜间排水流在那里引起地形隆起。以1976-2019年可可和咖啡生产为背景,研究了年际气候变率。滞后相关性表明,较高的产量发生在多雨的秋季、多风的冬季和凉爽的海水温度以及干燥的春季。这里发现的气候决定因素可以预测多米尼加共和国东北部高价值农业生产的变化。
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来源期刊
Climate
Climate Earth and Planetary Sciences-Atmospheric Science
CiteScore
5.50
自引率
5.40%
发文量
172
审稿时长
11 weeks
期刊介绍: Climate is an independent, international and multi-disciplinary open access journal focusing on climate processes of the earth, covering all scales and involving modelling and observation methods. The scope of Climate includes: Global climate Regional climate Urban climate Multiscale climate Polar climate Tropical climate Climate downscaling Climate process and sensitivity studies Climate dynamics Climate variability (Interseasonal, interannual to decadal) Feedbacks between local, regional, and global climate change Anthropogenic climate change Climate and monsoon Cloud and precipitation predictions Past, present, and projected climate change Hydroclimate.
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