Broadband Full Polarimetric Scatterometry for Monitoring Soil Moisture and Vegetation Properties Over a Tibetan Meadow

J.G. Hofste; R. van der Velde; Xin Wang; Donghai  Zheng; Jun Wen; C. van der Tol; Zhongbo Su

doi:10.1109/IGARSS.2018.8519380

Broadband Full Polarimetric Scatterometry for Monitoring Soil Moisture and Vegetation Properties Over a Tibetan Meadow

J.G. Hofste, R. van der Velde, Xin Wang, Donghai Zheng, Jun Wen, C. van der Tol, Zhongbo Su

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

1 Citation (Scopus)

Abstract

A scatterometer is installed on a meadow over the Tibetan Plateau in August 2017 to measure the full polarimetric backscattering coefficient σ°over a wide frequency range (1 – 10 GHz) year-round. In this paper we describe the setup of scatterometer as well as the activities undertaken to test the reliability of the system. The measured radar cross section of a dihedral reflector matches the theoretical model for 3 – 10 GHz after the calibration. The temperature-induced systematic error in the radar return will be accounted for by using the antenna cross coupling as a reference. For the retrieval of σ°the frequency-dependent antenna radiation pattern and the site geometry are accounted for. Fading will be dealt with by using frequency agility techniques.

Original language	English
Title of host publication	IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium
Publisher	IEEE
Pages	2007-2010
Number of pages	4
ISBN (Electronic)	978-1-5386-7150-4, 978-1-5386-7149-8
ISBN (Print)	978-1-5386-7151-1
DOIs	https://doi.org/10.1109/IGARSS.2018.8519380
Publication status	Published - 5 Nov 2018
Event	38th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018: Observing, Understanding and Forcasting the Dynamics of Our Planet - Feria Valencia Convention & Exhibition Center, Valencia, Spain Duration: 22 Jul 2018 → 27 Jul 2018 Conference number: 38 https://www.igarss2018.org/

Publication series

Name	IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Publisher	IEEE
Volume	2018
ISSN (Electronic)	2153-7003

Conference

Conference	38th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018
Abbreviated title	2018
Country/Territory	Spain
City	Valencia
Period	22/07/18 → 27/07/18
Internet address	https://www.igarss2018.org/

Keywords

Scatterometer
Radar cross section calibration
Broadband
Time-domain gating
Tibetan Plateau

Access to Document

10.1109/IGARSS.2018.8519380

Cite this

Hofste, J. G., van der Velde, R., Wang, X., Zheng, D., Wen, J., van der Tol, C., & Su, Z. (2018). Broadband Full Polarimetric Scatterometry for Monitoring Soil Moisture and Vegetation Properties Over a Tibetan Meadow. In IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium (pp. 2007-2010). (IEEE International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2018). IEEE. https://doi.org/10.1109/IGARSS.2018.8519380

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abstract = "A scatterometer is installed on a meadow over the Tibetan Plateau in August 2017 to measure the full polarimetric backscattering coefficient σ°over a wide frequency range (1 – 10 GHz) year-round. In this paper we describe the setup of scatterometer as well as the activities undertaken to test the reliability of the system. The measured radar cross section of a dihedral reflector matches the theoretical model for 3 – 10 GHz after the calibration. The temperature-induced systematic error in the radar return will be accounted for by using the antenna cross coupling as a reference. For the retrieval of σ°the frequency-dependent antenna radiation pattern and the site geometry are accounted for. Fading will be dealt with by using frequency agility techniques.",

keywords = "Scatterometer, Radar cross section calibration, Broadband, Time-domain gating, Tibetan Plateau",

author = "J.G. Hofste and {van der Velde}, R. and Xin Wang and Donghai Zheng and Jun Wen and {van der Tol}, C. and Zhongbo Su",

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Hofste, JG, van der Velde, R, Wang, X, Zheng, D, Wen, J, van der Tol, C & Su, Z 2018, Broadband Full Polarimetric Scatterometry for Monitoring Soil Moisture and Vegetation Properties Over a Tibetan Meadow. in IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), vol. 2018, IEEE, pp. 2007-2010, 38th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018, Valencia, Spain, 22/07/18. https://doi.org/10.1109/IGARSS.2018.8519380

Broadband Full Polarimetric Scatterometry for Monitoring Soil Moisture and Vegetation Properties Over a Tibetan Meadow. / Hofste, J.G.; van der Velde, R.; Wang, Xin et al.
IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2018. p. 2007-2010 (IEEE International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2018).

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

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AU - Wen, Jun

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Hofste JG, van der Velde R, Wang X, Zheng D, Wen J, van der Tol C et al. Broadband Full Polarimetric Scatterometry for Monitoring Soil Moisture and Vegetation Properties Over a Tibetan Meadow. In IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium. IEEE. 2018. p. 2007-2010. (IEEE International Geoscience and Remote Sensing Symposium (IGARSS)). doi: 10.1109/IGARSS.2018.8519380

Broadband Full Polarimetric Scatterometry for Monitoring Soil Moisture and Vegetation Properties Over a Tibetan Meadow

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Keywords

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