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我国农业旱情监测技术现状及发展趋势分析

DOI: 10.13577/j.jnd.2015.0404, PP. 24-35

Keywords: 干旱灾害,旱情监测,统计制度,土壤水分,烘干法,电测法,遥感应用

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Abstract:

旱情监测预警系统是干旱灾害风险管理重要的关键环节,我国农业旱情监测手段从旱情统计上报制度,发展到测定土壤含水量,测定方法从烘干法发展到电子测量技术。分析卫星遥感影像与地面土壤含水量的相关关系,实现了旱情范围空间分布的快速监测,解决了原有手段存在的问题,是未来旱情监测的发展方向。黑龙江省承担了国家土壤含水量监测技术的项目试点工作,在旱情监测新技术方面走在全国前列。

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