The characteristics changes of pH and EC of atmospheric precipitation and analysis on the source of acid rain in the source area of the Yangtze River from 2010 to 2015
Acid rain
; pH
; Pollution
; Precipitation (meteorology)
; River pollution
; Rivers
; Transport properties
; Wind
; Atmospheric precipitation
; Backward trajectory
; Industrial pollution
; Precipitation samples
; Prevention and controls
; Qinghai Tibet railway
; Qinghai-tibet highways
; Source region of the yangtze rivers
; Rain
; acid rain
; air sampling
; industrial emission
; monsoon
; pH
; precipitation (chemistry)
; source apportionment
; westerly
; wind velocity
; acid rain
; air pollution
; Article
; autumn
; car
; highway
; India
; pH
; precipitation
; priority journal
; railway
; river
; spring
; summer
; Tibet
; wind
; winter
; China
; Qinghai-Xizang Plateau
; Yangtze River
Scopus学科分类:
Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要:
Through the analysis of pH value, EC, precipitation and wind speed of 402 precipitation samples in the source region of the Yangtze River from January 1, 2010 to December 31, 2015, especially for the analysis of the 14 acid rain events. The results showed that: the acid rain in the source region of the Yangtze River was mainly affected by the southwest monsoon and the westerly circulation. The occurrence of acid rain mainly controlled by industrial pollution and other pollutants coming from India and other surrounding areas. And the other cause was that because of the Qinghai Tibet highway and the Qinghai Tibet railway, there were a lot of cars coming and going. And there were people in the summer to plateau tourism increased year by year, and more for self-driving travelling. This added additional pollutants (automobile exhaust) for the source of the Yangtze River. During the period of sampling, the variation range of pH value was from 4.0 to 8.57, with the mean was 6.37. And the range of EC was from 5.2 to 124.4 μs/cm, the average was 27.59 μs/cm. The order of conductivity in the four seasons was Spring > Winter > Summer > Autumn. And the order of pH in four seasons was Summer > Spring = Winter > Autumn. The results are also helpful for further understanding the acid rain in the Tibetan Plateau and providing scientific basis for the effective prevention and control of acid rain. � 2017 Elsevier Ltd
College of Earth Environmental Science, Lanzhou University, Lanzhou, Gansu, China; Key Laboratory of Ecohydrology of Inland River Basin Gansu, Cold and Arid Region Environment and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China; Hydrology and Water Resources Engineering Research Center, Cold and Arid Region Environment and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Recommended Citation:
Zong-Jie L,, Song L,-L,et al. The characteristics changes of pH and EC of atmospheric precipitation and analysis on the source of acid rain in the source area of the Yangtze River from 2010 to 2015[J]. Atmospheric Environment,2017-01-01,156