Remote Sensing of CO2 Absorption by Saline-Alkali Soils: Potentials and Constraints

CO2 absorption by saline-alkali soils was recently demonstrated in the measurements of soil respiration fluxes in arid and semiarid ecosystems and hypothetically contributed to the long-thought “missing carbon sink.” This paper is aimed to develop the preliminary theory and methodology for the quant...

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Main Authors: Wenfeng Wang, Xi Chen, Zhi Pu
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Journal of Spectroscopy
Online Access:http://dx.doi.org/10.1155/2014/425753
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author Wenfeng Wang
Xi Chen
Zhi Pu
author_facet Wenfeng Wang
Xi Chen
Zhi Pu
author_sort Wenfeng Wang
collection DOAJ
description CO2 absorption by saline-alkali soils was recently demonstrated in the measurements of soil respiration fluxes in arid and semiarid ecosystems and hypothetically contributed to the long-thought “missing carbon sink.” This paper is aimed to develop the preliminary theory and methodology for the quantitative analysis of CO2 absorption by saline-alkali soils on regional and global scales. Both the technological progress of multispectral remote sensing over the past decades and the conjectures of mechanisms and controls of CO2 absorption by saline-alkali soils are advantageous for remote sensing of such absorption. At the end of this paper, the scheme for remote sensing is presented and some unresolved issues related to the scheme are also proposed for further investigations.
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id doaj-art-05f3812188ae4506bd4efa9003279b06
institution Kabale University
issn 2314-4920
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publishDate 2014-01-01
publisher Wiley
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series Journal of Spectroscopy
spelling doaj-art-05f3812188ae4506bd4efa9003279b062025-02-03T07:25:22ZengWileyJournal of Spectroscopy2314-49202314-49392014-01-01201410.1155/2014/425753425753Remote Sensing of CO2 Absorption by Saline-Alkali Soils: Potentials and ConstraintsWenfeng Wang0Xi Chen1Zhi Pu2State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, ChinaState Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, ChinaCollege of Computer and Information Engineering, Xinjiang Agricultural University, Urumqi 830052, ChinaCO2 absorption by saline-alkali soils was recently demonstrated in the measurements of soil respiration fluxes in arid and semiarid ecosystems and hypothetically contributed to the long-thought “missing carbon sink.” This paper is aimed to develop the preliminary theory and methodology for the quantitative analysis of CO2 absorption by saline-alkali soils on regional and global scales. Both the technological progress of multispectral remote sensing over the past decades and the conjectures of mechanisms and controls of CO2 absorption by saline-alkali soils are advantageous for remote sensing of such absorption. At the end of this paper, the scheme for remote sensing is presented and some unresolved issues related to the scheme are also proposed for further investigations.http://dx.doi.org/10.1155/2014/425753
spellingShingle Wenfeng Wang
Xi Chen
Zhi Pu
Remote Sensing of CO2 Absorption by Saline-Alkali Soils: Potentials and Constraints
Journal of Spectroscopy
title Remote Sensing of CO2 Absorption by Saline-Alkali Soils: Potentials and Constraints
title_full Remote Sensing of CO2 Absorption by Saline-Alkali Soils: Potentials and Constraints
title_fullStr Remote Sensing of CO2 Absorption by Saline-Alkali Soils: Potentials and Constraints
title_full_unstemmed Remote Sensing of CO2 Absorption by Saline-Alkali Soils: Potentials and Constraints
title_short Remote Sensing of CO2 Absorption by Saline-Alkali Soils: Potentials and Constraints
title_sort remote sensing of co2 absorption by saline alkali soils potentials and constraints
url http://dx.doi.org/10.1155/2014/425753
work_keys_str_mv AT wenfengwang remotesensingofco2absorptionbysalinealkalisoilspotentialsandconstraints
AT xichen remotesensingofco2absorptionbysalinealkalisoilspotentialsandconstraints
AT zhipu remotesensingofco2absorptionbysalinealkalisoilspotentialsandconstraints