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小流域综合治理在进行流域规划、措施布设及治理成果的检查验收等项工作中,都迫切需要能及时反映流域治理现状的数据和图件。如单纯依靠专业制图单位来做,在技术力量、时间、投资等方面都很难满足生产、管理的紧迫需要。 继1982年应用航天遥感资料和电子计算机完成了延安地区近4万平方公里范围的土地利用现状调查工作之后,我们又进行了小流域专题地图制作方法的研究,相继完成了陕北岔巴沟、韭园
Comprehensive management of small watersheds In the work of watershed planning, arrangement of measures and inspection and acceptance of governance results, there is an urgent need for data and maps that can timely reflect the status of watershed management. Such as relying solely on professional cartographic units to do, in terms of technical strength, time, investment and so difficult to meet the urgent needs of production and management. Following the completion of the investigation of land use status in nearly 40,000 square kilometers in Yan’an in 1982 after the application of aerospace remote sensing data and electronic computers, we conducted a special study on the production of thematic maps of small watersheds and completed the study on the succession of Chaba ditch, Jiuyuan