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CO2 emissions from the Chinese transport sector are a growing problem. Highway geometric design is an important part of low carbon roads. Firstly, the factors that influenced CO2 emission of a road was analysed in this paper, and the gradient is the most significant. Considering proportion of vehicle type, coefficients together with speed, vehicle type and traffic, the CO2 emission model of a road...
According to radar observations and sounding data in Guiyang in 5th in May in 2005, combined with the results of numerical simulation with WRF model, the processes of merging and contributions to precipitation are studied in detail, especially the changes before and after merging. The analysis shows that the shear line and the vortex have an important role in merging. The whole processes experience...
The mixture of convective and stratiform clouds is an important precipitation system and also a major object for weather modification studies. To investigate the forming process, we studied 48 such clouds precipitation processes happened in GuiZhou province during 2005 and 2006 using Doppler radar echo images and other data. Convective and stratiform mixed clouds are primarily formed in two ways:...
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