repeated drough t 反复干旱
Drought prediction, monitoring is a challenging task.
干旱的预测、监测是一个具有挑战性的课题。
参考来源 - 中国北方干旱区干旱指标的应用研究From ancient times to modern times,drought is the major natural disasters for human beings. Even today when science and technology is so advanced,drought still causes many disastrous consequences.
旱灾从古至今都是人类面临的主要自然灾害,即使在科学技术如此发达的今天,它们造成的灾难性后果仍然比比皆是。
参考来源 - 广东省南雄市数字抗旱预案支撑技术体系研究PDI has many advantages such as simplicity,practicality,easy-to-useage,versatility and universality. And it is suitable to monitor regional drought under complex underlying surface conditions.
PDI模型能够有效地反映地表覆盖和水热组合,简单实用,具有通用性和普适性,适宜于复杂下垫面条件下的遥感旱情监测。
参考来源 - 垂直干旱指数在湖北漳河灌区遥感旱情监测中的应用(英文)Drought reduced POD and CAT activity.
干旱下根系POD、CAT活性降低。
参考来源 - 不同玉米品种耐旱性差异及生理特性研究When the plant is under the stress of drought the lowest leaf potential appears in advance.
沙地植物受到水分胁迫时水势最低值出现的时间前移。
参考来源 - 宁夏毛乌素沙地SPAC系统中水分运移特征的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N-VAR A drought is a long period of time during which no rain falls. 干旱
...a country where drought and famines have killed up to two million people during the last eighteen years.
…过去18年来干旱和饥荒致死达两百万人的一个国家。
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