Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology

Nan Ye; Xiaoling Wu; Jeffrey Walker; Nithyapriya Boopathi; Thomas J. Jackson; Yann Kerr; Edward Kim; Andrew McGrath; In Young Yeo; Mahta Moghaddam

doi:10.1109/IGARSS.2018.8519266

Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology

Nan Ye, Xiaoling Wu, Jeffrey Walker, Nithyapriya Boopathi, Thomas J. Jackson, Yann Kerr, Edward Kim, Andrew McGrath, In Young Yeo, Mahta Moghaddam

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

4 Citations (Scopus)

Abstract

A fundamental limitation of current soil moisture remote sensing technology is that can only provide moisture information on the top 5 cm layer of soil at most, being one-tenth to one-quarter of the wavelength (21 cm at L-band; 1.4 GHz) using the current SMAP and SMOS soil moisture dedicated missions of NASA and ESA. Consequently, we have developed an airborne passive microwave sensing capability at P-band to develop a new state-of-the-art satellite concept that will provide soil moisture data for the top 10 cm layer of soil using radiometer observations at P-band (40 cm; 750 MHz). Not only would P-band provide soil moisture information on a soil layer thickness that more closely relates to that affecting crop and pasture growth, but it is expected to produce greater spatial coverage with improved accuracy to that from L-band. This is because P-band should be less affected by surface roughness conditions and have a reduced attenuation by the overlaying vegetation. This paper describes a series of small airborne field experiments at P-band, and presents some early results of P-band passive microwave observations in comparison with L-band and Kband passive microwave from initial trial flights.

Original language	English
Title of host publication	2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers
Pages	3707-3710
Number of pages	4
ISBN (Electronic)	9781538671504, 9781538671511
DOIs	https://doi.org/10.1109/IGARSS.2018.8519266
Publication status	Published - 31 Oct 2018
Event	38th Annual IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Valencia, Spain Duration: 22 Jul 2018 → 27 Jul 2018

Publication series

Name	International Geoscience and Remote Sensing Symposium (IGARSS)
Volume	2018-July

Conference

Conference	38th Annual IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018
Country/Territory	Spain
City	Valencia
Period	22/07/18 → 27/07/18

Keywords

Airborne field experiments
Brightness temperature
K-band
L-band
Multifrequency
P-band
Soil moisture

Access to Document

10.1109/IGARSS.2018.8519266Licence: In Copyright

Cite this

Ye, N., Wu, X., Walker, J., Boopathi, N., Jackson, T. J., Kerr, Y., Kim, E., McGrath, A., Yeo, I. Y., & Moghaddam, M. (2018). Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology. In 2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings (pp. 3707-3710). Article 8519266 (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2018-July). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/IGARSS.2018.8519266

Ye, Nan ; Wu, Xiaoling ; Walker, Jeffrey et al. / Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology. 2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings. Institute of Electrical and Electronics Engineers, 2018. pp. 3707-3710 (International Geoscience and Remote Sensing Symposium (IGARSS)).

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title = "Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology",

abstract = "A fundamental limitation of current soil moisture remote sensing technology is that can only provide moisture information on the top 5 cm layer of soil at most, being one-tenth to one-quarter of the wavelength (21 cm at L-band; 1.4 GHz) using the current SMAP and SMOS soil moisture dedicated missions of NASA and ESA. Consequently, we have developed an airborne passive microwave sensing capability at P-band to develop a new state-of-the-art satellite concept that will provide soil moisture data for the top 10 cm layer of soil using radiometer observations at P-band (40 cm; 750 MHz). Not only would P-band provide soil moisture information on a soil layer thickness that more closely relates to that affecting crop and pasture growth, but it is expected to produce greater spatial coverage with improved accuracy to that from L-band. This is because P-band should be less affected by surface roughness conditions and have a reduced attenuation by the overlaying vegetation. This paper describes a series of small airborne field experiments at P-band, and presents some early results of P-band passive microwave observations in comparison with L-band and Kband passive microwave from initial trial flights.",

keywords = "Airborne field experiments, Brightness temperature, K-band, L-band, Multifrequency, P-band, Soil moisture",

author = "Nan Ye and Xiaoling Wu and Jeffrey Walker and Nithyapriya Boopathi and Jackson, {Thomas J.} and Yann Kerr and Edward Kim and Andrew McGrath and Yeo, {In Young} and Mahta Moghaddam",

year = "2018",

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doi = "10.1109/IGARSS.2018.8519266",

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Ye, N, Wu, X, Walker, J, Boopathi, N, Jackson, TJ, Kerr, Y, Kim, E, McGrath, A, Yeo, IY & Moghaddam, M 2018, Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology. in 2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings., 8519266, International Geoscience and Remote Sensing Symposium (IGARSS), vol. 2018-July, Institute of Electrical and Electronics Engineers, pp. 3707-3710, 38th Annual IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018, Valencia, Spain, 22/07/18. https://doi.org/10.1109/IGARSS.2018.8519266

Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology. / Ye, Nan; Wu, Xiaoling; Walker, Jeffrey et al.
2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings. Institute of Electrical and Electronics Engineers, 2018. p. 3707-3710 8519266 (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2018-July).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Wu, Xiaoling

AU - Walker, Jeffrey

AU - Boopathi, Nithyapriya

AU - Jackson, Thomas J.

AU - Kerr, Yann

AU - Kim, Edward

AU - McGrath, Andrew

AU - Yeo, In Young

AU - Moghaddam, Mahta

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AB - A fundamental limitation of current soil moisture remote sensing technology is that can only provide moisture information on the top 5 cm layer of soil at most, being one-tenth to one-quarter of the wavelength (21 cm at L-band; 1.4 GHz) using the current SMAP and SMOS soil moisture dedicated missions of NASA and ESA. Consequently, we have developed an airborne passive microwave sensing capability at P-band to develop a new state-of-the-art satellite concept that will provide soil moisture data for the top 10 cm layer of soil using radiometer observations at P-band (40 cm; 750 MHz). Not only would P-band provide soil moisture information on a soil layer thickness that more closely relates to that affecting crop and pasture growth, but it is expected to produce greater spatial coverage with improved accuracy to that from L-band. This is because P-band should be less affected by surface roughness conditions and have a reduced attenuation by the overlaying vegetation. This paper describes a series of small airborne field experiments at P-band, and presents some early results of P-band passive microwave observations in comparison with L-band and Kband passive microwave from initial trial flights.

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BT - 2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings

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Ye N, Wu X, Walker J, Boopathi N, Jackson TJ, Kerr Y et al. Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology. In 2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings. Institute of Electrical and Electronics Engineers. 2018. p. 3707-3710. 8519266. (International Geoscience and Remote Sensing Symposium (IGARSS)). doi: 10.1109/IGARSS.2018.8519266

Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology

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