A FIELD METHOD FOR MEASURING THE THERMAL INFRARED EMISSIVITY

被引：18

作者：

SOBRINO, JA

CASELLES, V

机构：

[1] Department of Thermodynamics, Faculty of Physics, University of Valencia, 46100 Burjassot, 50, Dr. Moliner

来源：

ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING | 1993年 / 48卷 / 03期

关键词：

Temperature measurement;

D O I：

10.1016/0924-2716(93)90061-Q

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

In this work, a field method for measuring thermal infrared emissivities is proposed which is based on the box method, initially developed by Buettner and Kern (1965), for laboratory measurements. A theoretical analysis was made of the measurement carried out using the box and a correcting factor to Buettner and Kern's technique has been determined. Buettner and Kern's method has been modified to use radiative temperatures measured with a radiothermometer instead of radiance measurements. The walls of the box used and the cold lid was made of polished aluminium and the hot lid was made of black-painted anodized aluminium and it was heated in the field by solar radiation. With this method measurements of the thermal infrared emissivity of ground and vegetation can be obtained with a relative error not larger than 0.6%.

引用

页码：24 / 31

页数：8

共 26 条

[1]

Badenas, Caselles, A simple technique for estimating surface temperature by means of a thermal radiometer, Int. J. Remote Sensing, 13, pp. 2951-2956, (1992)

[2]

Becker, The impact of spectral emissivity on the measurement of land surface temperature from a satellite, Int. J. Remote Sensing, 8, pp. 1509-1522, (1987)

[3]

Becker, Nerry, Ramanantsizehena, Stoll, Mesures d'émissivité angulaire par réflexion dans l'infrarouge thermique — implications pour la télédétection, Int. J. Remote Sensing, 7, pp. 1751-1762, (1986)

[4]

Buettner, Kern, The determination of infrared emissivities of terrestrial surfaces, Journal of Geophysical Research, 70, pp. 1329-1337, (1965)

[5]

Caselles, Sobrino, Determination of frosts in orange groves from NOAA-9 AVHRR data, Remote Sensing Environ., 29, pp. 135-146, (1989)

[6]

Caselles, Sobrino, Becker, Determination of the effective emissivity and temperature under vertical observation of a citrus orchard. Application to frost nowcasting, Int. J. Remote Sensing, 9, pp. 715-727, (1988)

[7]

Chen, Zhang, Studies on the measurements of crop emissivity and sky temperature, Agric. For. Meteorol., 49, pp. 23-34, (1989)

[8]

Combs, Weickmann, Mader, Tebo, Application of infrared radiometers to meteorology, Journal of Applied Meteorology, 4, pp. 253-262, (1965)

[9]

Conaway, van Bavel, Evaporation from a wet surface calculated from radiometrically determined surface temperatures, Journal of Applied Meteorology, 6, pp. 650-655, (1967)

[10]

Dana, Measurement of 8–14 micrometer emissivity of igneous rocks and mineral surfaces, NASA Sci. Rep., 632 NSG, (1969)

← 1 2 3 →