[1]郝新忠,石长春*,高振梁,等. 气象因子变化特征对典型地区荒漠化的影响研究[J].西北林学院学报,2023,38(6):196-202.[doi:10.3969/j.issn.1001-7461.2023.06.26]
　HAO Xin-zhong,SHI Chang-chun*,GAO Zhen-liang,et al. Study on the Influence of Changing Characteristics of Meteorological Factors on Desertification in Typical Areas[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(6):196-202.[doi:10.3969/j.issn.1001-7461.2023.06.26]
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 气象因子变化特征对典型地区荒漠化的影响研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第6期
页码:
196-202
栏目:
出版日期:
2023-11-30

文章信息/Info

Title:
 Study on the Influence of Changing Characteristics of Meteorological Factors on Desertification in Typical Areas
文章编号:
1001-7461(2023)06-0196-07
作者:
 郝新忠1; 2; 石长春1; 2*; 高振梁1; 张瑞丽1; 高荣1; 2; 张继平1; 2; 马雅莉1; 乔一娜1
 （1.陕西省林业科学院，陕西 西安 710000；2.陕西榆林毛乌素沙地生态系统国家定位观测研究站，陕西 榆林 719000）
Author(s):
 HAO Xin-zhong1; 2; SHI Chang-chun1; 2*; GAO Zhen-liang1; ZHANG Rui-li1; GAO Rong1; 2; ZHANG Ji-ping1; 2; MA Ya-li1; QIAO Yi-na1
 (1.Shaanxi Academy of Forestry Sciences,Xi’an 710000,Shaanxi,China; 2.National Positioning Observation and Research Station of MuUs Sandy Land Ecosystem,Yulin 719000,Shaanxi,China)
关键词:
 ; 气象因子; 变化特征; 典型地区; 荒漠化; 植被指数; 植被盖度
Keywords:
 ; meteorological factors;  change characteristics;  typical area;  desertification;  vegetation index;  vegetation coverage
分类号:
P467
DOI:
10.3969/j.issn.1001-7461.2023.06.26
文献标志码:
A
摘要:
 气象因子是导致荒漠化的主要驱动力之一，了解荒漠化地区受气候变化的影响，为荒漠化的监测、预测和防治提供科学依据，研究气象因子变化特征对典型地区荒漠化的影响。以毛乌素沙地东南部榆林市西北部的沙质荒漠化土地为研究对象，并布置监测点。基于此，获得该区域的气象因子变化特征、NDVI遥感数据以及土壤变化数据。通过归一化植被指数监测植被生长状态，估计荒漠化面积，同时使用趋势分析法和Mann-Kendall法分析气象因子变化特征和荒漠化面积之间的关系。结果表明，该研究区域近10 a来气象因子变化特征较为显著，降水增多、蒸发量减少、沙尘出现的天数也明显缩短，降水量与植被覆盖率和荒漠化面积的Spearman相关系数分别为0.91和-0.82，说明这些气象因子变化特征推动植被盖度呈现出增长变化趋势，有效减少荒漠化面积，说明近年荒漠化治理取得可观效果。
Abstract:
 Meteorological factor is one of the main driving forces leading to desertification.In order to understand the impact of calamate factors on desertification,and to provide scientific basis for desertification monitoring,prediction and prevention,the impact of the meteorological factors on desertification in typical areas were examined.Taking the sandy land in the southeast of Mu Us Dersert,located in northwestern Yulin City as the research object,the observation points were set up,from which the relative information was obtained,such as variation characteristics of the meteorological factors,NDVI remote sensing data,and soil change data of the region.The vegetation growth status were monitored by normalized vegetation index to estimate desertification area.The relationship between meteorological factor changes and desertification area was analyzed by using trend analysis and Mann Kendall method.The results showed that the variations of meteorological factors in the study area in the past 10 years were relatively significant,manifested by the increase of precipitation,decrease of evaporation,and the significant decrease of the number of days of sand and dust storm.The Spearman correlation coefficients between precipitation and vegetation coverage,as well as desertification area,were 0.91 and -0.82,respectively,indicating that the meteorological factors promote the increase trend in vegetation coverage and effectively reduce desertification area.The results demonstrated that desertification control has achieved considerable results in recent years.

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备注/Memo

备注/Memo:
 收稿日期：2023-07-04修回日期：2023-09-07
基金项目：国家林业和草原局荒漠化防治司项目(001)。
第一作者：郝新忠，高级工程师。研究方向：生态修复和荒漠化防治。E-mail：15109121958@163.com
*通信作者：石长春，正高级工程师。研究方向：沙漠治理、生态监测。E-mail：468058917@qq.com
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