Impacts of Changing Atmospheric Deposition Chemistry on Nitrogen and Phosphorus Loading to Ganga River (India) | Health & Environmental Research Online (HERO)

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Citation
Tags

HERO ID

2022578

Reference Type

Journal Article

Title

Impacts of Changing Atmospheric Deposition Chemistry on Nitrogen and Phosphorus Loading to Ganga River (India)

Author(s)

Pandey, J; Singh, AV; Singh, A; Singh, R

Year

2013

Is Peer Reviewed?

Yes

Journal

Bulletin of Environmental Contamination and Toxicology
ISSN: 0007-4861
EISSN: 1432-0800

Volume

Issue

Page Numbers

184-190

Language

English

PMID

23700007

DOI

10.1007/s00128-013-1016-5

Web of Science Id

WOS:000321910800009

Abstract

Investigations on atmospheric deposition (AD) and water chemistry along a 35 km stretch of Ganga River indicated that although N:P stoichiometry of AD did not change, there were over 1.4-2.0 fold increase in AD-NO₃⁻, AD-NH₄⁺ and AD-PO₄³⁻ overtime. Concentration of dissolved inorganic-N (DIN) in river showed significant positive correlations with AD-NO₃⁻ and runoff DIN. Similarly, dissolved reactive-P (DRP) in river showed significant positive correlation with AD-PO₄³⁻ and runoff DRP. The study shows that AD has become an important source of N and P input to Ganga River.

Keywords

Atmospheric deposition; Ganga River; Nutrient flux; Runoff