Response of Simulated Surface Air Temperature to the Interannual Variability of Leaf Area Index in Eastern China
Joint Authors
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-09-30
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
Using the coupled WRF-Noah model, we conducted two experiments to investigate impacts of the interannual variability of leaf area index (LAI) on the surface air temperature (SAT) in eastern China.
The Moderate Resolution Imaging Spectroradiometer (MODIS) observed dynamic LAI data from 2002 to 2009 were used in one modeling experiment, and the climatological seasonal cycle of the MODIS LAI was used in the other experiment.
The results show that the use of dynamic LAI improves model performance.
Compared with the use of climatological LAI, the use of dynamic LAI may reduce the warm (cool) bias in the years with large positive (negative) LAI anomalies.
The reduction of the warm bias results from the modeled cooling effect of LAI increase through reducing canopy resistance, promoting transpiration, and decreasing sensible heat flux.
Conversely, the reduction of cool bias is a result of the warming effect of negative anomaly of LAI.
The use of dynamic LAI can improve model performance in summer and to a lesser extent, spring and autumn.
Moreover, the dynamic LAI exerts a detectable influence on SAT in the WRF model when the LAI anomaly is at least 20% of the climatological LAI.
American Psychological Association (APA)
Zhang, Xuezhen& Tang, Qiuhong. 2013. Response of Simulated Surface Air Temperature to the Interannual Variability of Leaf Area Index in Eastern China. Advances in Meteorology،Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-500530
Modern Language Association (MLA)
Zhang, Xuezhen& Tang, Qiuhong. Response of Simulated Surface Air Temperature to the Interannual Variability of Leaf Area Index in Eastern China. Advances in Meteorology No. 2013 (2013), pp.1-10.
https://search.emarefa.net/detail/BIM-500530
American Medical Association (AMA)
Zhang, Xuezhen& Tang, Qiuhong. Response of Simulated Surface Air Temperature to the Interannual Variability of Leaf Area Index in Eastern China. Advances in Meteorology. 2013. Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-500530
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-500530