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Using independent satellite-based aerosol component retrievals, this report provides a quantitative analysis of the MERRA-2 reanalysis dust and black carbon column concentrations. Both GRASP/Component and MERRA-2 reanalysis kits can represent well the temporal variability in dust column concentration over the dust emission resource and downwind dust-dominated areas, with the correlation coefficient varying from 0. 80 to 0. 98. The differences in dust column concentration in Africa's dust regions are higher than those in Asia's dust regions. Both GRASP/Component BC retrievals and MERRA-2 BC products with R of about 0. 70-1. 0, except in the North China Plain region, are indicative of temporal fluctuations in BC column concentrations. The findings are helpful in determining the behavior of MERRA-2 reanalysis component estimation in a new perspective and demonstrating a practical use of satellite-based component retrievals, which may have more impact on model estimation's advancement in the near future.
Source link: https://doi.org/10.3390/rs15020388
The possibility of stabilizing aqueous dispersed systems of carbon with vinyl ether copolymers of various size and shape was investigated in this work. The presence of hydrophobic fragments in the macromolecule chain has been shown to play a significant role in the finalization of aqueous dispersions of carbon particles, which can have a major effect. The stability of in experimental systems is greatly affected by the composition and molecular architecture of the stabilizing copolymer.
Source link: https://doi.org/10.46300/9106.2021.15.152
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