Organophosphate esters in Tianshan glacier runoff: Occurrence, degradation, risk, and flux.

ABSTRACT: Organophosphate esters (OPEs) are a class of chemicals of emerging concern. However, little is known about the environmental behavior, transformation and ecological risk of OPEs in mid-latitude glacial environments. This study investigated the concentration and composition characteristics of organophosphate triesters (tri-OPEs) and organophosphate diesters (di-OPEs) in the runoff of Urumqi No. 1 Glacier and Koxkar Glacier in the Tianshan Mountains, and estimated the output of them from glacial rivers. The total concentration of tri-OPEs (Σ₁₃tri-OPEs) was 8565 pg/L in glacier surface meltwater and 6568 pg/L in proglacial rivers. Di-OPEs exhibited lower concentrations, with 99 pg/L and 117 pg/L (Σ₁₀di-OPEs) in glacier surface meltwater and proglacial rivers, respectivel

SUBMITTER: Zeng J 

PROVIDER: S-EPMC12744661 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature