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Precipitation and aerosol studies in India

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Abstract

In India, rain water and atmospheric aerosols are observed to bealkaline in nature due to the influence of soil-derivedparticles which are rich in components like Ca and Mg. Thesecomponents increase the neutralization potential of rain waterand have a greater influence at rural site compared to urbansite. However, if there are continuous rains, the concentrationof crustal components becomes lower resulting in lower pH ofrain water. Unlike the characteristics of rain water oncontinent, the pH of rain water has been observed to be acidicin all the events over the Indian Ocean during Pre-campaigns ofIndian Ocean Experiment (INDOEX). The possible reason for acidicrains over Indian Ocean could be the anthropogenic contributionfrom continent transported by NE winds coming towards the oceanduring this period.

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Authors and Affiliations

  1. Chemistry Division, National Physical Laboratory, New Delhi, India

    D. C. Parashar

  2. Chemistry Division, National Physical Laboratory, New Delhi, India

    U. C. Kulshrestha & Monika Jain

  3. Indian Institute of Chemical Technology, Hyderabad, India

    U. C. Kulshrestha

Authors
  1. D. C. Parashar
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  2. U. C. Kulshrestha
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  3. Monika Jain
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Correspondence to D. C. Parashar.

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Parashar, D.C., Kulshrestha, U.C. & Jain, M. Precipitation and aerosol studies in India. Environ Monit Assess 66, 47–61 (2001). https://doi.org/10.1023/A:1026424013890

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