Compositional variety of dissolved organic matter and its correlation with water quality in peri-urban and urban river watersheds

Multivariate Monitoring of Surface Water Quality: Physico-Chemical, Microbiological and 3D Fluorescence Characterization

“…This result obtained on EEMs validates what was found by PCA analysis, which was based on physico-chemical and microbiological parameters. These similarities highlight the significant correlation between EEMs, organic physico-chemical and microbiological parameters, which validates the potential use of EEMs as a water quality indicator [32].…”

“…To reduce the dimensionality of our dataset and to be able to compare the water quality of the different river sites [15], several PCAs were applied to our database (14 samples × 30 parameters × 26 sampling campaigns). Second, ComDim was applied to assess organic matter composition through fluorescence properties of these watersheds, since their characteristics may reflect the water quality in aquatic ecosystems [32].…”

Novel insights into impacts of the COVID-19 pandemic on aquatic environment of Beijing-Hangzhou Grand Canal in southern Jiangsu region

“…In view of the simplicity and quickness of FF technique, if fluorescence intensity is highly correlated with WQPs, FF may be used as a surrogate for WQPs in water quality assessment, which can improve supervision efficiency of water environment. Although the relationships between WQP values and fluorescence intensity for some surface water bodies have been investigated in previous studies ( Qiu et al, 2012 , Sgroi et al, 2017 , Wang et al, 2017 , Yang et al, 2018 , Tang et al, 2019 , Zhang et al, 2020 ), the relative results are not appropriate to give references to the water body in WT section since the compositions and characteristics of various water bodies are different. To explore the feasibility of using FF as a routine monitoring indicator to reflect water quality, the correlations between Fmax and WQPs of water body in WT section were carried out.…”

“…All WQPs did not evidently show a high positive correlation with the Fmax of WT-C3. Since the fluorescence signal was closely related to dissolved organic matters (DOMs), it was common to observe the favorable correlations between fluorescent components and COD Mn (or COD Cr ) in surface water bodies ( Carstea et al, 2016 , Sgroi et al, 2017 , Yang et al, 2018 , Tang et al, 2019 ). ( Zhu et al, 2020 ) found that the intensity of tryptophan like-component (Ex/Em = 232(274)/338 nm) would present high positive correlation ( r >0.700) with conductivity in surface water if the apparent MW of DOM in water body was less than 10 kDa.…”

Effects of Landscape Development Intensity on River Water Quality in Urbanized Areas

“…Under the influence of urbanization, non-point source pollution caused by rainwater runoff has become one of the important reasons for the deterioration of urban water environment [15,16]. Water quality parameters such as total soluble solid (TSS), chemical oxygen demand (COD MN ), total nitrogen (TN), ammonia nitrogen (NH3+-N), and total phosphorus (TP) are representative pollutant parameters, which describe the physical and chemical characteristics of water bodies, have attracted more attention in water quality studies in urbanized areas [17][18][19][20][21][22].…”