【摘要】 旱灾是我国主要的自然灾害之一,不同程度的旱灾所采取的措施和投入将是不同的。认清旱情等级作出相应的对策,对抗旱减灾是十分重要的。本文分析了影响区域旱情的因素并给出了区域旱情评估的模型和实际的应用。更多还原

【Abstract】 Drought is one of the major natural disasters in our country. For drought of varied grade, measures to be taken and investment should also be different. Assessing the grade of drought and taking corresponding measures are crucial for drought-fighting. The paper analyzes factors that affect regional drought, presents a model for drought assessment and its practical application.更多还原