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.
Author
(s) Details
Wenfeng Wang
State Key
Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and
Geography, Chinese Academy of Sciences, Urumqi 830011, China and University of
Chinese Academy of Sciences, Beijing 100093, China.
Xi Chen
State Key
Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and
Geography, Chinese Academy of Sciences, Urumqi 830011, China.
Zhi Pu
College
of Computer and Information Engineering, Xinjiang Agricultural University,
Urumqi 830052, China.
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