Arid
DOI10.1080/17538947.2015.1127437
Spatial estimation of wind speed: a new integrative model using inverse distance weighting and power law
Ozelkan, Emre1,2,3; Chen, Gang2,3; Ustundag, Burak Berk1
通讯作者Ozelkan, Emre
来源期刊INTERNATIONAL JOURNAL OF DIGITAL EARTH
ISSN1753-8947
EISSN1753-8955
出版年2016
卷号9期号:8页码:733-747
英文摘要

Spatial interpolation (SI) is currently one of the most common ways to estimate wind speed (Ws). However, classic SI models either ignore the complex geography [e. g. inverse distance weighting (IDW)], or demand high computational resources (e. g. cokriging). This study aimed to develop a simple yet effective SI model for estimating Ws in Eastern Thrace of Turkey. This new method, named MIDW(Ws), is a modified IDW through the integration of IDW with wind profile model, power law (PL), representing the influence of land cover and topography on Ws. Terrain features and elevation data of PL were obtained using normalized difference vegetation index (NDVI) and digital elevation model (DEM), respectively. Results showed superior and comparable performance of MIDW(Ws) to standard IDW and ordinary kriging (OK) across all months of year. Compared to ordinary cokriging (OCK) using DEM as covariate, MIDW(Ws) generated better results in the arid-semiarid seasons (around summer). Local complex atmospheric conditions during rainy seasons (around winter) may have affected the performance of incorporating PL with MIDW(Ws). Generally, the proposed MIDW(Ws) is simpler and easier to implement compared to OCK. For landscape-scale projects, its high computational efficiency and relatively robust performance show potential to deal with large volumes of datasets.


英文关键词Wind speed power law NDVI spatial interpolation modified inverse distance weighting
类型Article
语种英语
国家Turkey ; USA
收录类别SCI-E
WOS记录号WOS:000382198900001
WOS关键词GREAT-PLAINS ; ENERGY ; INTERPOLATION ; URBAN ; REGION ; ELEVATION ; COVER
WOS类目Geography, Physical ; Remote Sensing
WOS研究方向Physical Geography ; Remote Sensing
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/193719
作者单位1.Istanbul Tech Univ, Agr & Environm Informat Res & Applicat Ctr, Istanbul, Turkey;
2.Univ North Carolina Charlotte, Dept Geog & Earth Sci, Charlotte, NC 28223 USA;
3.Univ North Carolina Charlotte, LRSEC, Charlotte, NC 28223 USA
推荐引用方式
GB/T 7714
Ozelkan, Emre,Chen, Gang,Ustundag, Burak Berk. Spatial estimation of wind speed: a new integrative model using inverse distance weighting and power law[J],2016,9(8):733-747.
APA Ozelkan, Emre,Chen, Gang,&Ustundag, Burak Berk.(2016).Spatial estimation of wind speed: a new integrative model using inverse distance weighting and power law.INTERNATIONAL JOURNAL OF DIGITAL EARTH,9(8),733-747.
MLA Ozelkan, Emre,et al."Spatial estimation of wind speed: a new integrative model using inverse distance weighting and power law".INTERNATIONAL JOURNAL OF DIGITAL EARTH 9.8(2016):733-747.
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