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| Effect Factors of Chloride Deposition Rate Near Ground in Wanning |
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| DOI：10.7643/issn.1672-9242.2023.02.019 |
| KeyWord:chloride deposition rate geomorphology coastal correlation coefficients seawater natural environmental factors |
| Author | Institution |
| LIU Jian-hong |
Southwest Institute of Technology and Engineering, Chongqing , China |
| ZHANG Kai |
Southwest Institute of Technology and Engineering, Chongqing , China |
| YI Ping |
Southwest Institute of Technology and Engineering, Chongqing , China |
| DAI Hong |
Southwest Institute of Technology and Engineering, Chongqing , China |
| LI Qian |
Southwest Institute of Technology and Engineering, Chongqing , China |
| LUO Lai-zheng |
Southwest Institute of Technology and Engineering, Chongqing , China |
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| Abstract: |
| The work aims to investigate the distribution and major effect factors of the chloride deposition rate in tropical marine atmospheric environment under different geomorphology. The deposition rate of chloride ions near the coastline in Wanning was observed by piece-hanging method, and the effects of the distance from the coastline, topography and geomorphology on the deposition rate, as well as the correlation coefficients between the deposition rate and the factors of seawater or natural environment were analyzed. The result showed that the chloride deposition rate in open offshore areas was significantly affected by distance from the coastline and geomorphology. The chloride deposition rate at 300 m decreased to about 1/3 of that at 90 m. Meanwhile, the change of geomorphology lead it a 30-fold difference at the same distance point. Additionally, high effective wave height, wind speed and easterly wind proportion made the chloride deposition rate higher in spring than in summer. In conclusion, there is a strong positive correlation between the chloride deposition rate under different geomorphology and the effective wave height of seawater and wind speed. |
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