[1]代海燕,梁显丽,宝秋利*,等. 近46年毛乌素沙地和科尔沁沙地潜在蒸散量的变化特征及影响因子分析[J].西北林学院学报,2019,34(2):8-13.[doi:doi:10.3969/j.issn.1001-7461.2019.02.02]
　DAI Hai-yan,LIANG Xian-li,BAO Qiu-li*,et al. Variation Characteristics and Influencing Factors of Potential Evapotranspiration in Mu Us and Khorchin Sandy Land in Recent 46 Years[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2019,34(2):8-13.[doi:doi:10.3969/j.issn.1001-7461.2019.02.02]
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 近46年毛乌素沙地和科尔沁沙地潜在蒸散量的变化特征及影响因子分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第34卷
期数:
2019年第2期
页码:
8-13
栏目:
出版日期:
2019-03-31

文章信息/Info

Title:
 Variation Characteristics and Influencing Factors of Potential Evapotranspiration in Mu Us and Khorchin Sandy Land in Recent 46 Years
文章编号:
1001-7461(2019)02-0008-06
作者:
 代海燕1; 梁显丽2; 宝秋利2*; 边玉明3; 都瓦拉1
 （1.内蒙古生态与农业气象中心，内蒙古 呼和浩特 010051；2.内蒙古农业大学 职业技术学院，内蒙古 包头 014109；3.内蒙古农业大学 林学院，内蒙古 呼和浩特 010019）
Author(s):
 DAI Hai-yan1; LIANG Xian-li2; BAO Qiu-li2*; BIAN Yu-ming3; DU Wa-la1
 (1.Inner Mongolia Ecology and Agricultural Meteorology Centre,Hohhot 010051,Inner Mongolia,China; 2.Vocational Technology College,Inner Mongolia Agricultural University,Baotou 014109,Inner Mongolia,China; 3.Forestry College,Inner Mongolia Agricultural University,Hohhot 010019,Inner Mongolia,China)
关键词:
 ; 毛乌素沙地; 科尔沁沙地; 潜在蒸散量; Penman-Monteith模型; 影响因子
Keywords:
 ; Mu Us sandy land;  Khorchin sandy land;  potential evapotranspiration;  Penman-Monteith equation;  influencing factor
分类号:
S718.45
DOI:
doi:10.3969/j.issn.1001-7461.2019.02.02
文献标志码:
A
摘要:
 近46 a来在全球气候变暖的大背景下，毛乌素沙地乌审旗ET0处于显著下降的趋势，降水量微弱上升，地区暖湿化趋势明显；科尔沁沙地奈曼旗ET0呈逐渐上升趋势，降水量微弱减少，有弱的暖干化趋势。毛乌素沙地乌审旗ET0与风速呈极显著正相关，与温度呈负相关，且仅与最低温度达到显著水平；科尔沁沙地奈曼旗ET0与温度变化趋势一致，ET0与最高温度呈极显著正相关，与相对湿度呈极显著负相关。贡献率分析结果表明，对于毛乌素沙地乌审旗ET0，风速的贡献率为58.53%，温度的整体贡献率为39.98%；而对于科尔沁沙地奈曼旗ET0，风速的贡献率为38.81%，温度的整体贡献率为56.99%。影响内蒙古东西部两大沙地ET0的主要气象因子差异明显，西部区毛乌素沙地主要受风速的影响，而东部区科尔沁沙地则主要受温度的影响。
Abstract:
 With the context of the global climate warming,the potential evapotranspiration (ET0) in the sandy land of Wushen County in the Mu Us Desert in recent 46 years was in a significant downward trend.The amount of precipitation rose slightly,the trend of warm-humid in the area was obvious.The ET0 in Naiman County of the Khorchin sandy land increased gradually,the rainfall decreased slightly.There was a weak tendency of warming and drying.The ET0 in Wushen County was positively correlated with the wind speed,the temperature was negatively correlated with the ET0,and the ET0 only had a significant negative correlation with the lowest temperature.The ET0 in Naiman County was consistent with the trend of temperature,the ET0 was positively correlated with maximum temperature,and the ET0 was significantly negatively correlated with relative humidity.The contribution rate of wind speed was 58.53% to the ET0 in Wushen County,and the overall contribution rate of temperature was 39.98%.The contribution rate of wind speed was 38.81% to the ET0 in Naiman County,and the overall contribution rate of temperature was 56.99%.The main meteorological factors affecting two sandy areas in east and west Inner Mongolia were significantly different,the sandy land in the western area was mainly affected by wind speed,and the eastern area was mainly affected by temperature.

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备注/Memo

备注/Memo:
 收稿日期：2018-07-01修回日期：2018-09-22
基金项目：国家自然科学基金项目(41461102)；林业公益性行业专项（201304206）；内蒙古自治区气象局科技创新项目（nmqxjcx201416）；内蒙古自治区自然科学基金项目（2016MS0376）。
作者简介：代海燕，男，博士，高级工程师，研究方向：林业气象与生态气象。E-mail:daihaiyan2003@163.com
*通信作者：宝秋利，男，硕士，副教授，研究方向：野生植物资源收集与引种驯化。E-mail:bql197875@126.com
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