Geomatic techniques to analyze the loss of urban wetlands in Bogotá. What role do illegal settlements play?Técnicas de análisis geomático en la pérdida de humedales urbanos de Bogotá. ¿Qué rol juegan los asentamientos ilegales?

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dc.contributor.authorGonzalez Angarita G.
dc.contributor.authorCastro Alvarez D.
dc.contributor.authorHenriquez C.
dc.contributor.authorPena Angulo D.
dc.contributor.authorForero Buitrago G.
dc.date.accessioned2024-01-10T12:37:13Z
dc.date.available2024-01-10T12:37:13Z
dc.date.issued2022
dc.description.abstract© 2022, Revista de Geografia Norte Grande. All rights reserved.Urban wetlands are supplied by the rainwater system and store large amounts of water for their vegetation and hydromorphic soils, while contributing to the regulation of flows in cities, however, they have been affected by urbanization processes. As is the case of the Bogotá wetlands, which are invaded by illegal settlements affecting environmental preservation areas, so studies are required to analyze: urban growth, and the trend of rainfall. The urbanization analysis techniques are calculated from the Normalized Built Difference Index (NDBI), which integrates the combination of satellite images for its de-termination. The rainwater trend is analyzed from the IDF curves (intensity-duration-fre-quency). The results show that the wetlands are invaded on average by 7.5% in the city. With regard to the intensity of rainwater, it is mainly concentrated in the eastern hills of Bogotá and due to the effects of runoff, the flow of water runs from east to west, reaching the main wetlands and lakes. Then the information is validated with the calculation of the Normalized Difference Water Index (NDWI), which shows high concentrations of humidity in the western part of the city.
dc.fechaingreso.objetodigital2024-05-30
dc.format.extent233 páginas
dc.fuente.origenScopus
dc.identifier.doi10.4067/S0718-34022022000100207
dc.identifier.issn3798682
dc.identifier.scopusidSCOPUS_ID:85132902119
dc.identifier.urihttps://doi.org/10.4067/S0718-34022022000100207
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/76791
dc.information.autorucFacultad de Historia, Geografía y Ciencia Política; Henriquez Ruiz, Cristian Gonzalo; S/I; 93676
dc.issue.numero81
dc.language.isoes
dc.nota.accesoContenido completo
dc.pagina.final233
dc.pagina.inicio207
dc.publisherRevista de Geografia Norte Grande
dc.relation.ispartofRevista de Geografia Norte Grande
dc.revistaRevista de Geografia Norte Grande
dc.rightsacceso abierto
dc.subjectBogotá
dc.subjectland use changes
dc.subjectnormalized water index
dc.subjectUrban growth
dc.subjecturbanization index
dc.subjectwetlands
dc.subject.ods11 Sustainable cities and communities
dc.subject.ods15 Life on land
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.subject.odspa15 Vida de ecosistemas terrestres
dc.titleGeomatic techniques to analyze the loss of urban wetlands in Bogotá. What role do illegal settlements play?Técnicas de análisis geomático en la pérdida de humedales urbanos de Bogotá. ¿Qué rol juegan los asentamientos ilegales?
dc.typeartículo
dc.volumen2022
sipa.codpersvinculados93676
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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