干旱和半干旱区灌丛沙丘形成演化及环境指示意义研究进展(英文)

编号 zgly0001585206

文献类型 期刊论文

文献题名 干旱和半干旱区灌丛沙丘形成演化及环境指示意义研究进展(英文)

作者 郎丽丽  王训明  哈斯  花婷 

作者单位 KeyLaboratoryofDesertandDesertification  ColdandAridRegionsEnvironmentalandEngineeringResearchInstitute  CAS  CollegeofResourcesScienceandTechnology  BeijingNormalUniversity 

母体文献 Journal of Geographical Sciences 

年卷期 2013年02期

年份 2013 

分类号 P941.71 

关键词 nebkha(coppicedune)  morphology  formation  environmentalchange  aridarea 

文摘内容 Environments in arid and semiarid regions are extremely sensitive to climate changes.High wind activity in these regions has resulted in an extensively developed arid geomorphology,but past environmental changes are poorly understood because of the absence of relatively high-resolution proxies.The accumulation characteristics of nebkhas,which have developed extensively in these regions,can be used as a method of reconstructing environmental changes.Here we summarized recent advances in research on the formation,development,and sediment characteristics of nebkhas and their significance to environmental changes in arid and semiarid regions.Based on the studies of our colleagues,we suggested that research on nebkha formation can provide distinct clues about environmental changes in arid and semiarid regions;however,continued studies are needed.