Measurements of Soil Surface Roughness During the Fourth Microwave Water and Energy Balance Experiment: April 18 through June 13, 2005
Vol. 2006 No. 3, Historical Fact Sheets
Vol. 2006 No. 3

Measurements of Soil Surface Roughness During the Fourth Microwave Water and Energy Balance Experiment: April 18 through June 13, 2005: Circular 1483/AE363, 11/2005

Historical Fact Sheets
https://doi.org/10.32473/edis-ae363-2005
Published 2019-05-20
Mi-joung Jang
Kai-Jen Calvin Tien
Joaquin Casanova
Jasmeet Judge
University of Florida
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Keywords

AE363

How to Cite

Jang, Mi-joung, Kai-Jen Calvin Tien, Joaquin Casanova, and Jasmeet Judge. 2019. “Measurements of Soil Surface Roughness During the Fourth Microwave Water and Energy Balance Experiment: April 18 through June 13, 2005: Circular 1483 AE363, 11 2005”. EDIS 2006 (3). Gainesville, FL. https://doi.org/10.32473/edis-ae363-2005.
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Abstract

Passive microwave signatures have been used to retrieve geophysical parameters, such as soil temperature [Njoku and Li, 1999], moisture [Jackson et al., 1995], and surface roughness [Wegmüller and Mätzler, 1999]. One of the challenges in the parameter retrieval is the effect of soil surface roughness on the microwave emission. We conducted soil surface roughness measurements as part of our fourth Microwave Water and Energy Balance Experiment (MicroWEX-4) to understand the effects of surface roughness on microwave signatures at 6.7 GHz (λ = 4.48 cm). The dataset will also be used to develop and validate surface roughness models. In this report, we summarize briefly the theoretical background of surface roughness characteristics and discuss methodology and results of the roughness experiments. This document is Circular 1483, one of a series of the Department of Agricultural and Biological Engineering, UF/IFAS Extension. Original publication date November 2005. 

CIR1483/AE363: Measurements of Soil Surface Roughness During the Fourth Microwave Water and Energy Balance Experiment: April 18–June 13, 2005 (ufl.edu)

https://doi.org/10.32473/edis-ae363-2005
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PDF-2005

References

J.J. Casanova, T. Y. Lin, J. Judge, K. J. C. Tien, M. Y. Jang, O. Lanni, and L. Miller, The Fourth Microwave Water and Energy balance Experiment (MicroWEX-4): from March 10 - June 14, 2005,Circular Number 1482, Center for Remote Sensing, University of Florida, Available at UF/IFAS, EDIS Web site, http://edis.ifas.ufl.edu/AE362, 2005.

T.J. Jackson, D.E. LeVine, C.T. Swift, T. J. Schmugge, and F.R. Schiebe, Large area mapping of soil moisture using the ESTAR passive microwave radiometer in Washita '92, Remote Sens. Environ, 53, pp. 27-37, 1995. https://doi.org/10.1016/0034-4257(95)00084-E

T.J. Jackson and L. McKee, Soil roughness measurements in the walnut creek watershed during SMEX02, Ancillary data available at http://nsidc.org/data/docs/daac/nsidc0204_smex_ancillary.gd.html, 2004.

E.G. Njoku and L. Li, Retrieval of land surface parameters using passive microwave measurements at 6-18 GHz, IEEE Trans. Geosci. Remote Sensing, v37, pp. 9-93, 1999. https://doi.org/10.1109/36.739125

F.T. Ulaby, R. K. Moore, and A. K. Fung, Microwave Remote Sensing, Active and Passive, Vol. II, Artech House, Dedham, MA, 1982.

U. Wegmüller and C. Mätzler, Rough bare soil reflectivity model, IEEE Trans. Geosci. Remote Sensing, 37, pp. 1391-1395, 1999. https://doi.org/10.1109/36.763303

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