Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.aeolia.2014.07.002 |
Fundamental mismatches between measurements and models in aeolian sediment transport prediction: The role of small-scale variability | |
Barchyn, Thomas E.1; Martin, Raleigh L.2; Kok, Jasper F.2; Hugenholtz, Chris H.1 | |
通讯作者 | Barchyn, Thomas E. |
来源期刊 | AEOLIAN RESEARCH
![]() |
ISSN | 1875-9637 |
EISSN | 2212-1684 |
出版年 | 2014 |
卷号 | 15页码:245-251 |
英文摘要 | Predicting aeolian sediment transport is a long-standing and difficult challenge that is important to a variety of scientific disciplines, including geology, geomorphology, agriculture, meteorology, and climatology. Here, we argue that improvements in predictions of aeolian sediment transport are limited by incompatibilities between empirical measurements and mathematical models. We focus on the spatial and temporal variability in transport. Measurements indicate considerable variability on small time (second) and length (meter) scales, yet models are almost ubiquitously based on assumptions of time and space-invariant transport. Mismatches between measurements and models limit summative predictive capacity by reducing the ability to use measured data to test and drive models. We suggest: (i) revising model conceptualizations and evaluating the representativeness of steady state saltation to constrain the realism of existing models, (ii) improving and optimizing measurement technology to produce more reliable and accurate measurements, (iii) explicitly specifying the scale of measurements, and (iv) designing variable matching tests between models and measurements to work around measurement limitations. Continuing with the status quo, where measurements and models are dealt with separately, is likely to erode summative predictive capacity. (C) 2014 Elsevier B.V. All rights reserved. |
英文关键词 | Aeolian sediment transport Prediction Measurement Modeling |
类型 | Article |
语种 | 英语 |
国家 | Canada ; USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000344423300020 |
WOS关键词 | WIND-BLOWN SAND ; TRANSITIONAL BEHAVIOR ; IN-FIELD ; SALTATION ; FLUX ; TUNNEL ; DUST ; DESERT ; SIZE ; DUNES |
WOS类目 | Geography, Physical |
WOS研究方向 | Physical Geography |
来源机构 | University of California, Los Angeles |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/180440 |
作者单位 | 1.Univ Calgary, Dept Geog, 2500 Univ Dr NW, Calgary, AB T1K 3M4, Canada; 2.Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA 90095 USA |
推荐引用方式 GB/T 7714 | Barchyn, Thomas E.,Martin, Raleigh L.,Kok, Jasper F.,et al. Fundamental mismatches between measurements and models in aeolian sediment transport prediction: The role of small-scale variability[J]. University of California, Los Angeles,2014,15:245-251. |
APA | Barchyn, Thomas E.,Martin, Raleigh L.,Kok, Jasper F.,&Hugenholtz, Chris H..(2014).Fundamental mismatches between measurements and models in aeolian sediment transport prediction: The role of small-scale variability.AEOLIAN RESEARCH,15,245-251. |
MLA | Barchyn, Thomas E.,et al."Fundamental mismatches between measurements and models in aeolian sediment transport prediction: The role of small-scale variability".AEOLIAN RESEARCH 15(2014):245-251. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。