Definitions
Radar scatterometer. A calibrated radar designed to measure the radar backscatter cross section of a target, which is generally an area on the earth’s surface.
Wind scatterometer. A scatterometer designed to measure the ocean’s surface backscatter at multiple azimuth angles in order to estimate the near-surface vector wind. It is also used for ice melt/freeze, soil moisture, and vegetation remote sensing.
Normalized radar cross section. Area-normalized radar backscatter, which is the ratio of the incident and reflected radar signal power. Equivalent to the radar albedo. Often represented by σo or sigma-o.
Geophysical model function (GMF). An empirical or analytic relationship between radar backscatter and geophysical quantity, that is, sigma-o is a function of the vector wind, polarization, and other parameters,
where S is the neutral-stability wind speed (typically at 10 m height), χis the relative angle...
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Bibliography
Anderson, C., Bonekamp, H., Wilson, J., Figa, J., de Smet, J., and Duff, C., 2007. Calibration and validation of ASCAT backscatter. In Proceedings of the Joint 2007 EUMETSAT Meteorological Satellite Conference and the 15th Satellite Meteorology & Oceanography Conference of the American Meteorological Society, Amsterdam.
Fischer, R. E., 1972. Standard deviation of scatterometer measurements from space. IEEE Transactions on Geoscience Electronics, GE-10(2), 106–113.
Grantham, W. L., Bracalente, E. M., Britt, C. L., Wentz, F. J., Jr., Jones, W. L., Jr., and Schroeder, L. C., 1982. Performance evaluation of an operational spaceborne scatterometer. IEEE Transactions on Geoscience and Remote Sensing, GE-20(3), 250–254.
Jones, W. L., Merhershahi, R., Zec, J., and Long, D. G., 2000. SeaWinds on QuikSCAT radiometric measurements and calibration. In Proceedings of the International Geoscience and Remote Sensing Symposium, July 24–28, 2000, Honolulu, HI, pp. 1027–1029.
Long, D. G., 1998. Comparison of TRMM and NSCAT observations of surface backscatter over the Amazon rainforest. In Proceedings of the International Geoscience and Remote Sensing Symposium, July 6–10, 1998, Seattle, WA, pp. 1879–1881.
Long, D. G., and Mendel, J. M., 1991. Identifiability in wind estimation from wind scatterometer measurements. IEEE Transactions on Geoscience and Remote Sensing, 29(2), 268–276.
Long, D. G., and Skouson, G. B., 1995. Calibration of spaceborne scatterometers using tropical rainforests. IEEE Transactions on Geoscience and Remote Sensing, 34(2), 413–424.
Naderi, F., Freilich, M. H., and Long, D. G., 1991. Spaceborne radar measurement of wind velocity over the ocean–an overview of the NSCAT scatterometer system. Proceedings of the IEEE, 79(6), 850–866.
Offiler, D., 1994. The calibration of ERS-1 satellite scatterometer winds. Journal of Atmospheric and Oceanic Technology, 11(4), 1002–1017.
Quilfen, Y., and Bentamy, Y., 1994. Calibration/validation of ERS-1 scatterometer precision products. In Proceedings of the Geoscience and Remote Sensing Symposium, August 8–12, 1994, Pasadena, CA, pp. 945–947.
Spencer, M. W., Wu, C., and Long, D. G., 2000. Improved resolution backscatter measurements with the SeaWinds pencil-beam scatterometer. IEEE Transactions on Geoscience and Remote Sensing, 38(1), 89–104.
Tsai, W. Y., Graf, J. E., Winn, C., Huddleston, J. N., Dunbar, S., Freilich, M. H., Wentz, F. J., Long, G. J., and Jones, W. L., 1999. Postlaunch sensor verification and calibration of the NASA scatterometer. IEEE Transactions on Geoscience and Remote Sensing, 37(3), 1517–1542.
Ulaby, F. T., Moore, R. K., and Fung, A. K., 1981. Microwave Remote Sensing – Active and Passive. Reading, MA: Addison-Wesley, Vols. 1 and 2.
Ulaby, F. T., Moore, R. K., and Fung, A. K., 1990. Microwave Remote Sensing – Active and Passive. Reading, MA: Addison-Wesley, Vol. 3.
Verspeek, J., Stoffelen, A., Portabella, M., Verhoef, A., and Vogelzang, J., 2007. ASCAT scatterometer Cal/Val. In Proceedings of the Joint 2007 EUMETSAT Meteorological Satellite Conference and the 15th Satellite Meteorology & Oceanography Conference of the American Meteorological Society, Amsterdam.
Yoho, P. K., and Long, D. G., 2001. Model-based ground station calibration for SeaWinds on QuikSCAT. In Barnes, W. L. (eds.), Earth observing systems IV, Proceedings of SPIE, Vol. 4483, 29 July–3 August, San Diego, CA.
Yoho, P. K., and Long, D. G., 2003. An improved simulation model for spaceborne scatterometer measurements. IEEE Transactions on Geoscience and Remote Sensing, 41(11), 2692–2695.
Yoho, P. K., and Long, D. G., 2004. Correlation and covariance of satellite scatterometer measurements. IEEE Transactions on Geoscience and Remote Sensing, 42(6), 1176–1187.
Zec, J., Jones, W. L., and Long, D. G., 1999. NSCAT normalized radar backscattering coefficient biases using homogenous land targets. Journal of Geophysical Research, 104(C5), 11557–11568.
Zec, J., Jones, W. L., and Long, D. G., 2000. SeaWinds beam and slice balance using data over Amazonian rainforest. In Proceedings of the International Geoscience and Remote Sensing Symposium, July 24–28, 2000, Honolulu, HI, pp. 2215–2217.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2014 Springer Science+Business Media New York
About this entry
Cite this entry
Long, D. (2014). Calibration, Scatterometers. In: Njoku, E.G. (eds) Encyclopedia of Remote Sensing. Encyclopedia of Earth Sciences Series. Springer, New York, NY. https://doi.org/10.1007/978-0-387-36699-9_14
Download citation
DOI: https://doi.org/10.1007/978-0-387-36699-9_14
Published:
Publisher Name: Springer, New York, NY
Print ISBN: 978-0-387-36698-2
Online ISBN: 978-0-387-36699-9
eBook Packages: Earth and Environmental ScienceReference Module Physical and Materials ScienceReference Module Earth and Environmental Sciences