Spatio-temporal variation of the wet-dry conditions from 1961 to 2015 in China

• 作 者: YUAN QuanZhi WU ShaoHong DAI E
• 机 构: KeyLabofLandResourcesEvaluationandMonitoringinSouthwest,InstituteofGeographyandResourcesScience,KeyL
• 出 处: 中国科学：地球科学英文版
• 发表日期: 2017年11期
• 关键词: 中国西北 时空变化 Penman-Monteith模型 干湿 潜在蒸散量 年降水量 气候条件 线性趋势 Wet-dry condition Climate d
• 基金项目: Acknowledgements We thank anonymous reviewers for their detailed evaluation and constructive suggestions on the manuscript. This work was supported by the Key Projects of National Natural Science Foun

As an important part of the regional environment, the wet-dry climate condition is determined by precipitation and potential evapotranspiration(expressed as ETo). Based on weather station data, this study first calculated ETo by using the FAO56Penman-Mont