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Grant support

This research was funded by The National Fund for Scientific and Technological Development (FONDECYT) of CONCYTEC-Peru, under the project "Surface and underground water resource management system for the safe use of water in climate change scenarios in the Lurin river basin" (Project No. 157-2017-FONDECYT-Peru).

Analysis of institutional authors

Mori-Sanchez, Omayra LuzmilaAuthor

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June 9, 2023
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Application of the iber two-dimensional model to recover the water quality in the Lurin river

Publicated to:Hydrology. 10 (4): - 2023-04-01 10(4), DOI: 10.3390/hydrology10040084

Authors: Mori-Sánchez, O.L.; Ramos-Fernández, L.; Lluén-Chero, W.E.; Pino-Vargas, E.; del Pino, L.F.

Affiliations

Univ Nacl Agr Molina, Ctr Res Chem Toxicol & Environm Biotechnol, Lima 15024, Peru - Author
Univ Nacl Agr Molina, Dept Water Resources, Lima 15024, Peru - Author
Univ Nacl Agr Molina, Expt Irrigat Area, Lima 15024, Peru - Author
Univ Nacl Jorge Basadre Grohmann, Dept Civil Engn, Tacna 23000, Peru - Author

Abstract

The Lurin River is one of the main sources of water for the city of Lima. However, the discharge of domestic wastewater, the presence of dumps, and long periods of drought cause the deterioration of the water resource. In this study, DO, BOD5, E. coli, T, EC, TSS, U, and h were monitored at 13 monitoring points spread over 20 km of river influence. This information was used to calibrate the parameters of K-dbo, K-aire, K-dos, and K-dec in the Iber two-dimensional numerical model, obtaining values of 0.55 d(-1), [4.84 d(-1)-80.65 d(-1)], 10 g O-2 m(-2)d(-1), and [1.49 d(-1)-15.42 d(-1)], respectively, with efficiencies ranging from "very good" to "satisfactory". In the hydraulic model, a discretization of the channel, banks, and plains of 3, 5, and 7 m, respectively, was considered, resulting in a computational calculation time of 4 days in each simulation. The greatest contamination occurs in July at km 5 + 400 up to the Pan-American bridge. Therefore, it is proposed to recover the river by optimizing the San Bartolo Wastewater Treatment Plant (WWTP) and a new WWTP in Pachacamac to avoid diffuse contamination, with discharge flows of 0.980 m3s-1 and 0.373 m(3)s-1, respectively, and 4 mg L-1, 15 mg L-1 and 1000 NMP/100 mL for DO, BOD5, and E. coli, respectively.

Keywords

Biochemical oxygen demandDissolved oxygenEscherichia coliIber two-dimensional numerical modelTool

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Hydrology due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2023, it was in position 37/128, thus managing to position itself as a Q2 (Segundo Cuartil), in the category Water Resources. Notably, the journal is positioned en el Cuartil Q2 para la agencia Scopus (SJR) en la categoría Earth-Surface Processes.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 2.58, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-21, the following number of citations:

  • WoS: 1

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-21:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 18.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 27 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 2.85.
  • The number of mentions on the social network X (formerly Twitter): 5 (Altmetric).

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Peru.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (MORI SANCHEZ, PAULA) .