2010 EJRNL PP Gang Fu 1.pdf?
Terbatas Irwan Sofiyan
» ITB
Terbatas Irwan Sofiyan
» ITB
Meteorological data are scarce due to lack of meteorology stations in the Qinghai–Tibet Plateau. This
often results in an imprecise estimation of air temperature. A linear estimation of air temperature of
an alpine meadow on Northern Tibetan Plateau at heights of 1.5 m–2.1 m by using MODIS land surface
temperature (LST) data was conducted in this study. The results showed that linear estimation of daily
maximum and daytime mean air temperatures from MODIS LST data were not accurate enough
(P > 0.01, R2 < 0.10) during the growing season. In contrast, the linear relationships between daily maximum
and daytime mean air temperature and MODIS LST during the non-growing season were both significant
(P < 0.01, R2 > 0.40). MODIS LST data were accurate enough to linearly estimate daily minimum
and nighttime mean air temperatures (P < 0.01, R2 > 0.55). Moreover, derived LST from MODIS/Terra platform
(MOD11A2) had higher accuracies than derived LST from MODIS/Aqua platform (MYD11A2) in linearly
estimating air temperatures mentioned above.