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Desertification assessments of Hexi regions in Gansu province by remote sensing
HAN Lan ying1;2;WAN Xin2;FANG Feng2;ZHANG Zheng cai3 Laboratory of Arid Climatic Change and Reducing Disaster ofGansu Province;Lanzhou 730020;Gansu;China;2 Northwest Regional Climate Center;Lanzhou 730000;Gansu;China;3 Cold and Arid Regions Environmental and Engineering Research Institute;Chinese Academy of Sciences.Lanzhou;730000;Gansu;China)
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