Relationship between Evapotranspiration and Land Surface Temperature under Energy- and Water-Limited Conditions in Dry and Cold Climates
Joint Authors
Wang, Q.
Sun, Zhigang
Batkhishig, Ochirbat
Ouyang, Zhu
Source
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-12-30
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Remotely sensed land surface temperature- (LST-) dependent evapotranspiration (ET) models and vegetation index- (VI-) LST methods may not be suitable for ET estimation in energy-limited cold areas.
In this study, the relationship of ET to LST was simulated using the process-based Simultaneous Heat and Water (SHAW) model for energy- and water-limited conditions in Mongolia, to understand the differences in ET processes under these two limiting conditions in dry and cold climates.
Simulation results from the SHAW model along with ground observational data showed that ET and LST have a positive relationship when air temperature ( T a ) is less than or equal to the temperature ( T t r a ) above which plants transpire and have a negative relationship when T a is greater than T t r a under the energy-limited condition.
However, ET and LST maintain a negative relationship with changes in T a under the water-limited condition.
The differences in the relationship between ET and LST under the energy-limited and water-limited conditions could be attributed to plant transpiration and energy storage in moist/watered soil and plants.
This study suggests that different strategies should be used to estimate ET under the energy-limited condition in dry and cold climates.
American Psychological Association (APA)
Sun, Zhigang& Wang, Q.& Batkhishig, Ochirbat& Ouyang, Zhu. 2015. Relationship between Evapotranspiration and Land Surface Temperature under Energy- and Water-Limited Conditions in Dry and Cold Climates. Advances in Meteorology،Vol. 2016, no. 2016, pp.1-9.
https://search.emarefa.net/detail/BIM-1095359
Modern Language Association (MLA)
Sun, Zhigang…[et al.]. Relationship between Evapotranspiration and Land Surface Temperature under Energy- and Water-Limited Conditions in Dry and Cold Climates. Advances in Meteorology No. 2016 (2016), pp.1-9.
https://search.emarefa.net/detail/BIM-1095359
American Medical Association (AMA)
Sun, Zhigang& Wang, Q.& Batkhishig, Ochirbat& Ouyang, Zhu. Relationship between Evapotranspiration and Land Surface Temperature under Energy- and Water-Limited Conditions in Dry and Cold Climates. Advances in Meteorology. 2015. Vol. 2016, no. 2016, pp.1-9.
https://search.emarefa.net/detail/BIM-1095359
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1095359