卫辉市农业气候资源变化趋势分析
Meteorological and Environmental Sciences(2009)
Abstract
利用1971-2007年的气象资料,分析了卫辉市农业气候特征及变化趋势。结果表明:卫辉市近40 a气温呈现周期变化和整体逐渐上升趋势,降水减少。这种气候变化趋势,势必引起土地荒漠化等自然环境问题的日益恶化。因此,遏制生态恶化,科学地促使生态系统的良性循环,是当前乃至今后的长期任务。
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Key words
evaporation capacity,trend,change characteristic,precipitation,temperature
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