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Hydrol."},{"key":"10.1016\/j.watres.2026.126949_bib0079","doi-asserted-by":"crossref","DOI":"10.1016\/j.scitotenv.2020.144343","article-title":"Oxidation of pyrite and reducing nitrogen fertilizer enhanced the carbon cycle by driving terrestrial chemical weathering","volume":"768","author":"Xu","year":"2021","journal-title":"Sci. Total Environ."},{"issue":"19","key":"10.1016\/j.watres.2026.126949_bib0080","doi-asserted-by":"crossref","first-page":"24542","DOI":"10.1007\/s11356-020-08454-4","article-title":"Changes in dissolved inorganic carbon in river water due to urbanization revealed by hydrochemistry and carbon isotope in the Pearl River Delta, China","volume":"27","author":"Xuan","year":"2020","journal-title":"Env. Sci. Pollut. 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