Chemical Composition of Precipitation in the Coastal Environment of India
2010
Gobre, T. | Salve, P. R. | Krupadam, R. J. | Bansiwal, A. | Shastry, S. | Wate, S. R.
The present study investigated the chemical composition of precipitation at Comba, Madgaon, South Goa during southwest monsoon. The rainwater samples were collected on event basis during June-September 2008 and were analyzed for pH, major anions F, Cl, NO₃, SO₄) and cations (Ca, Mg, Na, K, NH₄). The pH value varied from 5.36 to 6.91 (6.25 ± 0.28) indicating alkaline nature of rainwater and dominance of Cl and Na in precipitation. The Neutralization factors (NF) was found to be NFCa = 1.22, NFMg = 0.42, NFNH₄ = 0.37 and NFK = 0.14 indicating below cloud process in which crustal components are responsible for neutralization of anions.
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