Rainwater chemistry of a developing urban-industrial metropolis in Southeast Nigeria
نویسندگان
چکیده
Rainwater (RW) over the Calabar metropolis was analyzed to establish its chemistry, influences, and agricultural suitability. Sampling done in rainy dry seasonal cycles for three years (2018–2020). pH, electrical conductivity (EC), major ions (Ca2+, Na+, Mg2+, K+, HCO3-, Cl-, SO42-) were registered principal component analysis (PCA) ionic ratios used relationships between species project their sources. RW suitability agriculture determined by calculating sodium magnesium absorption ratios. Results indicated a relative abundance trend of cations towards Ca2+ > Mg2+ K+ Na+ while HCO3- SO42- Cl- anions. pH varied from 6.1 7.8 (mean = 6.60). This EC reflected influences atmospheric gases in-cloud dissolved solids. The volume-weighted mean (VWM) SO42-, Cl-) 246 eq/l season 198 indicating low-moderate pollution. Wet deposition (WD) fluxes total contents higher impact rainfall. PCA showed that concentrations crustal marine origins predominantly. chemical characteristics study area compared with concentration ranges other local global locations similar geologic settings low moderate pollution indices close similarity. assessment use based on good levels
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ژورنال
عنوان ژورنال: Revista de la Academia Colombiana de ciencias exactas, físicas y naturales
سال: 2023
ISSN: ['0370-3908', '2382-4980']
DOI: https://doi.org/10.18257/raccefyn.1796