Arid
DOI10.1016/j.aeolia.2018.03.001
Exploring dust emission responses to land cover change using an ecological land classification
Galloza, Magda S.1; Webb, Nicholas P.1; Bleiweiss, Max P.2; Winters, Craig1; Herrick, Jeffrey E.1; Ayers, Eldon1
通讯作者Webb, Nicholas P.
来源期刊AEOLIAN RESEARCH
ISSN1875-9637
EISSN2212-1684
出版年2018
卷号32页码:141-153
英文摘要

Despite efforts to quantify the impacts of land cover change on wind erosion, assessment uncertainty remains large. We address this uncertainty by evaluating the application of ecological site concepts and state-andtransition models (STMs) for detecting and quantitatively describing the impacts of land cover change on wind erosion. We apply a dust emission model over a rangeland study area in the northern Chihuahuan Desert, New Mexico, USA, and evaluate spatiotemporal patterns of modelled horizontal sediment mass flux and dust emission in the context of ecological sites and their vegetation states; representing a diversity of land cover types. Our results demonstrate how the impacts of land cover change on dust emission can be quantified, compared across land cover classes, and interpreted in the context of an ecological model that encapsulates land management intensity and change. Results also reveal the importance of established weaknesses in the dust model soil characterisation and drag partition scheme, which appeared generally insensitive to the impacts of land cover change. New models that address these weaknesses, coupled with ecological site concepts and field measurements across land cover types, could significantly reduce assessment uncertainties and provide opportunities for identifying land management options.


英文关键词Wind erosion Dust source Anthropogenic Ecological sites State-and-transition models
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000434747400015
WOS关键词WIND EROSION THRESHOLD ; TRANSITION MODELS ; CHIHUAHUAN DESERT ; NEW-MEXICO ; RELATIVE IMPORTANCE ; ROUGHNESS ELEMENTS ; FRICTION VELOCITY ; STATE ; ECOSYSTEM ; VEGETATION
WOS类目Geography, Physical
WOS研究方向Physical Geography
来源机构New Mexico State University
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/207233
作者单位1.USDA ARS, Jornada Expt Range, NMSU, MSC 3 JER,Box 30003, Las Cruces, NM 88003 USA;
2.New Mexico State Univ, Dept Entomol Plant Pathol & Weed Sci, Las Cruces, NM 88003 USA
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GB/T 7714
Galloza, Magda S.,Webb, Nicholas P.,Bleiweiss, Max P.,et al. Exploring dust emission responses to land cover change using an ecological land classification[J]. New Mexico State University,2018,32:141-153.
APA Galloza, Magda S.,Webb, Nicholas P.,Bleiweiss, Max P.,Winters, Craig,Herrick, Jeffrey E.,&Ayers, Eldon.(2018).Exploring dust emission responses to land cover change using an ecological land classification.AEOLIAN RESEARCH,32,141-153.
MLA Galloza, Magda S.,et al."Exploring dust emission responses to land cover change using an ecological land classification".AEOLIAN RESEARCH 32(2018):141-153.
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