Eswar, R and Sekhar, M and Bhattacharya, BK (2017) Comparison of three remote sensing based models for the estimation of latent heat flux over India. In: HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES, 62 (16). pp. 2705-2719.
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The aim of this work is to compare three remote sensing based models: two contextual and one physically-based single-pixel model for the estimation of daytime integrated latent heat flux without the use of any ground measurements over Indian ecosystems. Satellite datasets from the MODIS sensors aboard the Terra and the Aqua satellites were used. The latent heat flux estimated from the remote sensing models was compared with that estimated from Bowen ratio energy balance towers at five sites in India. The root mean square error (RMSE) of the latent heat flux estimated from the contextual and the physically-based models was found to be in the order of 40 and 70W m(-2), respectively. The relatively inferior performance of the more complex physically-based model in comparison with the contextual models was found to be largely due to inaccurate parameterizations estimated only from remote sensing datasets without any ground data.
| Item Type: | Journal Article |
|---|---|
| Publication: | HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES |
| Publisher: | 10.1080/02626667.2017.1404067 |
| Additional Information: | Copy right for this article belongs to the TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND |
| Department/Centre: | Division of Mechanical Sciences > Civil Engineering |
| Date Deposited: | 02 Mar 2018 15:06 |
| Last Modified: | 02 Mar 2018 15:06 |
| URI: | http://eprints.iisc.ac.in/id/eprint/58899 |
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