The desert landscape in Guinan County of Qinghai Province, the water landscape in Tangke County of Sichuan Province, and the grasslands in Zeku County of Qinghai Province were observed by Geo-UAV systems, which mainly include a SL260 electric helicopter UAV made in China and a digital camera made in Japan, supported by the DJI flight control technology. "Die preliminary aerial observed images of dune landform, sand-grass ecotone, Huanghe sandbank and calcified pasture were obtained, which opened a new way to solve the geomorphol-ogy and landscape ecology problems in Huanghe source region and Qinghai-Tibet Plateau. Moreover, the limitations of Geo-UAVS in the observation of plateau were discussed and its further development directions were pointed out, which lays technical foundation for the observation of plateau area by Geo-UAVS.%应用国产神龙260电动直升型无人机和数码摄像机,在DJI飞控技术和高空数字影像采集技术的支持下,对青海省贵南县境内的沙漠地貌、四川省唐克县境内的九曲黄河第一湾和青海省泽库县境内的草场分别进行了超低空航空观测,获得了黄河源区沙丘形态、沙草生态交错带、黄河沙洲、草场钙化壳的初步观测结果,为深入研究和解决黄河源区面临的地貌学和生态学问题开辟了新的技术途径.结合无人机在青藏高原的飞行实践,讨论了神龙260型无人机应用于高原对地观测领域的局限并指出了升级方向,为进一步发展高原地区的无人机对地观测技术奠定了工作基础.
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