Trends in reference evapotranspiration and its attribution over the past 50 years in the Loess Plateau, China: implications for ecological projects and agricultural production

• Zhongjie ShiChinese Academy of Forestry
• Lihong XuChinese Academy of Forestry
• Xiaohui YangChinese Academy of Forestry
• Hao GuoChinese Academy of Forestry
• Linshui DongShandong University of Aeronautics
• Aiyun SongShandong University of Aeronautics
• Xiao ZhangChinese Academy of Forestry
• Nan ShanChinese Academy of Forestry