A Methodology for CO2 Retrieval Applied to Hyperspectral PRISMA Data

被引：17

作者：

Romaniello, Vito ^{[1
]}

Spinetti, Claudia ^{[1
]}

Silvestri, Malvina ^{[1
]}

Buongiorno, Maria Fabrizia ^{[1
]}

机构：

[1] Ist Nazl Geofis & Vulcanol, Via Vigna Murata 605, I-00143 Rome, Italy

来源：

REMOTE SENSING | 2021年 / 13卷 / 22期

关键词：

carbon dioxide; PRISMA mission; SWIR spectral region; CARBON-DIOXIDE; RADIATIVE-TRANSFER; SPECTROMETER; SATELLITE;

D O I：

10.3390/rs13224502

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The aim of this work is to develop and test a simple methodology for CO2 emission retrieval applied to hyperspectral PRISMA data. Model simulations are used to infer the best SWIR channels for CO2 retrieval purposes, the weight coefficients for a Continuum Interpolated Band Ratio (CIBR) index calculation, and the factor for converting the CIBR values to XCO2 (ppm) estimations above the background. This method has been applied to two test cases relating to the LUSI volcanic area (Indonesia) and the Solfatara area in the caldera of Campi Flegrei (Italy). The results show the capability of the method to detect and estimate CO2 emissions at a local spatial scale and the potential of PRISMA acquisitions for gas retrieval. The limits of the method are also evaluated and discussed, indicating a satisfactory application for medium/strong emissions and over soils with a reflectance greater than 0.1.

引用

页数：13

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