SMOS CALIBRATION AND VALIDATION OVER THE SALAR DE UYUNI

被引：3

作者：

Escorihuela, M. J. ^{[1
]}

Escorihuela, A. ^{[1
]}

Richaume, P.

Kerr, Y. H.

机构：

[1] IsardSAT, Barcelona 08042, Spain

来源：

2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年

关键词：

SMOS; brightness temperature; dielectric constant; calibration; validation; Salar de Uyuni;

D O I：

10.1109/IGARSS.2012.6351351

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The Salar de Uyuni is a large, flat and radiometrically homogeneous area. Its extent is several tenths the SMOS footprint and its emissivity is high and rather homogeneous except when flooded (about 3 months per year). It is located in a rather un-inhabitated area with no RFI. Therefore it provides a perfect calibration site for SMOS brightness temperature and the dielectric constant product validation. In this paper several calibration/validation issues were assessed: SMOS and AMSR-E brightness temperature cross-validation over the site, the influence of Full/Dual polarisation mode on SMOS angular signature and L2 dielectric constant product validation.

引用

页码：1124 / 1126

页数：3

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