Integrating AVHRR satellite data and NOAA ground observations to predict surface air temperature: A statistical approach

E. N. Florio, S. R. Lele, Y. Chi Chang, R. Sterner, G. E. Glass

Research output: Contribution to journalArticle

Abstract

Ground station temperature data are not commonly used simultaneously with the Advanced Very High Resolution Radiometer (AVHRR) to model and predict air temperature or land surface temperature. Technology was developed to acquire near-synchronous datasets over a 1 000 000 km2 region with the goal of improving the measurement of air temperature at the surface. This study compares several statistical approaches that combine a simple AVHRR split window algorithm with ground meterological station observations in the prediction of air temperature. Three spatially dependent (kriging) models were examined, along with their non-spatial counterparts (multiple linear regressions). Cross-validation showed that the kriging models predicted temperature better (an average of 0.9°C error) than the multiple regression models (an average of 1.4°C error). The three different kriging strategies performed similarly when compared to each other. Errors from kriging models were unbiased while regression models tended to give biased predicted values. Modest improvements seen after combining the data sources suggest that, in addition to air temperature modelling, the approach may be useful in land surface temperature modelling.

Original languageEnglish (US)
Pages (from-to)2979-2994
Number of pages16
JournalInternational Journal of Remote Sensing
Volume25
Issue number15
DOIs
StatePublished - Aug 10 2004

Fingerprint

Advanced very high resolution radiometers (AVHRR)
AVHRR
satellite data
surface temperature
air temperature
Satellites
kriging
Air
Temperature
land surface
split window
modeling
multiple regression
temperature
Linear regression
prediction

ASJC Scopus subject areas

  • Computers in Earth Sciences

Cite this

Integrating AVHRR satellite data and NOAA ground observations to predict surface air temperature : A statistical approach. / Florio, E. N.; Lele, S. R.; Chang, Y. Chi; Sterner, R.; Glass, G. E.

In: International Journal of Remote Sensing, Vol. 25, No. 15, 10.08.2004, p. 2979-2994.

Research output: Contribution to journalArticle

Florio, E. N. ; Lele, S. R. ; Chang, Y. Chi ; Sterner, R. ; Glass, G. E. / Integrating AVHRR satellite data and NOAA ground observations to predict surface air temperature : A statistical approach. In: International Journal of Remote Sensing. 2004 ; Vol. 25, No. 15. pp. 2979-2994.
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