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农作物面积普查 遥感测量更加精准
2017-08-31 09:47:02 中国青年网
本报讯(记者 谭艳华 通讯员 田国红)来凤街道鹿河村作为“三农普”抽调点。日前,该街道统计办利用遥感测量,已经完成农作物面积实地调查、数据采集。
据来凤街道统计办负责人介绍,农作物面积遥感测量,主要是利用遥感技术、地理信息系统等现代高新技术,获取卫星遥感影像,通过对影像的拼接、裁剪、处理、提取、分析等,直观展现农作物种植情况的时空分布,计算农作物种植面积,实现定时、定量、定位的精准监测,取得真实客观的种植面积数据。
“以前皮尺丈量10个人干10天活的工作量,采用遥感测量2个人1天就能做完,且数据精确度更高。”该负责人表示,目前已经完成鹿河村样方地块进行野外数据采集。在本次普查中,来凤街道首次进行农作物面积遥感测量,使得抽选的调查样本更为科学、合理,有效提高了抽样效率,测量更加精确。
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