融合遥感调查和坡度等级的荒山地提取方法Extraction method of barren mountain land based on remote sensing survey and slope grade
李国华,郭冬娥,翟艳青,祝明然,孙晓炜
摘要(Abstract):
针对荒山地有效识别和图斑提取长期缺乏统一的技术标准和方法,荒山地适宜性治理评价急需位置、面积、地表覆被、土地利用现状以及坡度等级等基础信息支撑的问题,该文提出一种利用多源遥感调查监测数据和坡度等级数据的荒山地图斑提取方法。经历城区的实地应用表明:该方法提取的草地、裸岩石地符合率均为100%,乔木林和灌木林的符合度分别为93%和91%,准确提取了符合荒山地特征的地类图斑,满足实际工程应用要求,解决了荒山地地类状况长期不明确的问题,实现了荒山地大规模的有效识别和提取,形成了融合多源遥感监测和坡度等级的荒山地提取方法,提高了荒山地的识别和提取的质量。
关键词(KeyWords): 遥感监测;第三次国土调查;地理国情监测;坡度级;荒山地;提取
基金项目(Foundation): 山东省重大专项(鲁政办字[2018]1号)
作者(Author): 李国华,郭冬娥,翟艳青,祝明然,孙晓炜
DOI: 10.16251/j.cnki.1009-2307.2021.07.015
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