Estimate of susceptibility to floods in the lower basin of Río Negro, Argentina

Authors

  • Grethel García Bu Bucogen Instituto Argentino de Oceanografía, Universidad Nacional del Sur (IADO-UNS); Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) https://orcid.org/0000-0001-6347-7381
  • Maria Cintia Piccolo Instituto Argentino de Oceanografía, Universidad Nacional del Sur (IADO-UNS); Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) https://orcid.org/0000-0002-5184-9149
  • Vanesa Yael Bohn Departamento de Geografía y Turismo (DGyT), Universidad Nacional del Sur; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) https://orcid.org/0000-0002-4050-8664

DOI:

https://doi.org/10.18055/Finis21647

Abstract

The objective of the article is to estimate the susceptibility to flooding due to river overflow, taking into account average meteorological conditions, based on the study of geomorphological, hydrographic and edaphic variables. The study region is located in the lower section of the Río Negro basin (Argentina). The zoning of the study area, according to its susceptibility to flooding, is the result of a MulticriteriaEvaluation (MCE), which is carried out using the weighted sum of variables and based on criteria published in the national and international bibliography. The physical variables analyzed were maximum water extension, land cover, order, drainage and soil texture, topographic slope and geomorphology of the area. These are integrated into a Geographic Information System (GIS). The data used correspond to the databases of the National Geographic Institute of the Argentine Republic (IGN), the National Institute of Agricultural Technology (INTA) and previously published databases. The results categorize 46,7% (1 321,6km2) of the studied territory with low or medium susceptibility. The city of Viedma and the towns of Zanjón de Oyuela, La Boca and Primera Angostura correspond to areas highly susceptible to flooding. It was determined that the occurrence of floods is more significant in areas with topographic slopes of 1% and poor soil drainage. The results show agreement with historical flood events in the area.

Downloads

Downloads

Published

2021-12-22

How to Cite

Grethel García Bu Bucogen, Piccolo, M. C., & Yael Bohn, V. (2021). Estimate of susceptibility to floods in the lower basin of Río Negro, Argentina. Finisterra, 56(118), 51–70. https://doi.org/10.18055/Finis21647

Issue

Vol. 56 No. 118 (2021)

Section

Articles

License

Copyright (c) 2021 Finisterra

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

  1. The opinions expressed in the texts submitted to Finisterra are the sole responsibility of the authors.

  2. Authors retain copyright and grant the journal the right of first publication, with the work simultaneously licensed under the Creative Commons Attribution License, which allows others to share the work with acknowledgement of its authorship and initial publication in this journal.

  3. Authors commit to following the “Submission Guidelines” available on the RCAAP platform.

  4. Whenever the text requires changes based on suggestions from Scientific Reviewers and/or the Executive Editorial Board, authors agree to accept and implement these changes as requested. If there are changes the authors disagree with, appropriate justifications must be provided on a case-by-case basis.

  5. Reproduction of copyrighted material has been previously authorised.

  6. The texts are original, unpublished, and have not been submitted to other journals.

Copyright

It is the responsibility of the authors to obtain authorisation to publish any material subject to copyright.

Editing Rights

Editing rights belong to the Centre for Geographical Studies of the Institute of Geography and Spatial Planning, University of Lisbon.

The editing of a text submitted to Finisterra for publication implies that it is an original.

Publication implies acceptance of the submission guidelines and compliance with authors’ responsibilities.

Publication Rights

All publication rights belong to the Centre for Geographical Studies, as the publisher of Finisterra.

Licence URL: CC Attribution – Non-Commercial – No Derivatives (BY-NC-ND).

Digital Preservation Policy

Finisterra uses the Open Journal Systems (OJS 3.2.1.4), a free and open-source software for journal management and publication, developed and distributed by the Public Knowledge Project (PKP) under the GNU General Public License. PKP is a multi-university initiative that develops open-source software and conducts research to improve the quality and reach of scholarly publishing. OJS includes the PKP PN plugin, a means of digitally preserving journal content in the PKP Preservation Network (PKP PN), which ensures long-term access to OJS journal content. PKP enables OJS journal publishers to preserve content in a decentralised and distributed manner. This ensures that, in the event a journal ceases publication or goes offline, continued access to articles and issues remains available (long-term preservation).

For more information, visit: https://pkp.sfu.ca/ojs/