Topography of the study area.

Publicado

2023-12-15

Flooding mapping detection and urban affectation using Google Earth Engin

Detección cartográfica de inundaciones y afectación urbana usando Google Earth Engine

DOI:

https://doi.org/10.15446/dyna.v90n229.111063

Palabras clave:

Google Earth Engine; SAR; coefficient of determination; Iquitos; probability map of occurrences; detecting flooded areas (en)
Google Earth Engine; SAR; coeficiente de determinación; Iquitos; mapa de probabilidad de ocurrencias; detección cartográfica de inundación (es)

Autores/as

Floods are a phenomenon that can be triggered by river overflow or heavy rainfall. In this context, detecting flooded areas is crucial to document affected zones in urban environments over time. This study focuses on the development of a model based on automatic extraction of flood map images using the Synthetic Aperture Radar (SAR) of Sentinel-1 from the online Google Earth Engine (GEE) platform, specifically for the metropolitan city of Iquitos in Peru. The methodology involved mapping the flooding extent occurred over a seven-year period (2015-2021) to create a probability map of occurrences. Subsequently, identified flood areas were validated using river levels from a two-stage gauge, revealing a positive correlation. The probability map of occurrences was then superimposed on a basemap, identifying the affectation of 14.7 km of roads, 130 schools, and 91 hospitals. These findings can provide significant information for decision-making related to disaster prevention and management.

Las inundaciones son fenómenos provocados por el desborde de ríos o por intensas lluvias. En ese contexto, la detección cartográfica de inundación ayuda con un registro de zonas afectadas en entornos urbanos. Este estudio trata del desarrollo de un modelo de extracción automática de imágenes de áreas de inundación utilizando el radar de apertura sintética del Sentinel-1 desde el Google Earth Engine para la ciudad de Iquitos en Perú. Se adquirieron imágenes de 7 años para construir un mapa de probabilidad de ocurrencia de inundaciones. Las áreas inundables fueron validadas con los niveles de los ríos de dos estaciones cercanas, demostrando una correlación positiva. El mapa de probabilidad se superpuso sobre un mapa base de infraestructuras cuantificando la afectación en 14.7 km de vías vehiculares, 130 instituciones educativas y 91 hospitales. Estos resultados pueden aportar para la toma de decisiones en la prevención y la gestión de desastres.

Referencias

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Coffman, D.M., Urban Livelihoods and Flood Vulnerability in a State-Sponsored Resettlement Project in Iquitos, Peru, PhD Thesis, Department of Geography and Planning, University of Toronto, Canada, 2021.

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Cómo citar

IEEE

[1]
D. A. Arias-Choquehuanca, B. I. Campos-Neciosup, y K. Quiroz-Jiménez, «Flooding mapping detection and urban affectation using Google Earth Engin», DYNA, vol. 90, n.º 229, pp. 129–136, oct. 2023.

ACM

[1]
Arias-Choquehuanca, D.A., Campos-Neciosup , B.I. y Quiroz-Jiménez, K. 2023. Flooding mapping detection and urban affectation using Google Earth Engin. DYNA. 90, 229 (oct. 2023), 129–136. DOI:https://doi.org/10.15446/dyna.v90n229.111063.

ACS

(1)
Arias-Choquehuanca, D. A.; Campos-Neciosup , B. I.; Quiroz-Jiménez, K. Flooding mapping detection and urban affectation using Google Earth Engin. DYNA 2023, 90, 129-136.

APA

Arias-Choquehuanca, D. A., Campos-Neciosup , B. I. & Quiroz-Jiménez, K. (2023). Flooding mapping detection and urban affectation using Google Earth Engin. DYNA, 90(229), 129–136. https://doi.org/10.15446/dyna.v90n229.111063

ABNT

ARIAS-CHOQUEHUANCA, D. A.; CAMPOS-NECIOSUP , B. I.; QUIROZ-JIMÉNEZ, K. Flooding mapping detection and urban affectation using Google Earth Engin. DYNA, [S. l.], v. 90, n. 229, p. 129–136, 2023. DOI: 10.15446/dyna.v90n229.111063. Disponível em: https://revistas.unal.edu.co/index.php/dyna/article/view/111063. Acesso em: 22 mar. 2026.

Chicago

Arias-Choquehuanca, Diego Alonso, Brayan Indalecio Campos-Neciosup, y Karena Quiroz-Jiménez. 2023. «Flooding mapping detection and urban affectation using Google Earth Engin». DYNA 90 (229):129-36. https://doi.org/10.15446/dyna.v90n229.111063.

Harvard

Arias-Choquehuanca, D. A., Campos-Neciosup , B. I. y Quiroz-Jiménez, K. (2023) «Flooding mapping detection and urban affectation using Google Earth Engin», DYNA, 90(229), pp. 129–136. doi: 10.15446/dyna.v90n229.111063.

MLA

Arias-Choquehuanca, D. A., B. I. Campos-Neciosup, y K. Quiroz-Jiménez. «Flooding mapping detection and urban affectation using Google Earth Engin». DYNA, vol. 90, n.º 229, octubre de 2023, pp. 129-36, doi:10.15446/dyna.v90n229.111063.

Turabian

Arias-Choquehuanca, Diego Alonso, Brayan Indalecio Campos-Neciosup, y Karena Quiroz-Jiménez. «Flooding mapping detection and urban affectation using Google Earth Engin». DYNA 90, no. 229 (octubre 24, 2023): 129–136. Accedido marzo 22, 2026. https://revistas.unal.edu.co/index.php/dyna/article/view/111063.

Vancouver

1.
Arias-Choquehuanca DA, Campos-Neciosup BI, Quiroz-Jiménez K. Flooding mapping detection and urban affectation using Google Earth Engin. DYNA [Internet]. 24 de octubre de 2023 [citado 22 de marzo de 2026];90(229):129-36. Disponible en: https://revistas.unal.edu.co/index.php/dyna/article/view/111063

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CrossRef citations3

1. Pouya Ahmadi, Mohammad Javad Valadan Zoej, Mehdi Mokhtarzade, Nazila Kardan Halvaie, Ebrahim Ghaderpour. (2025). A capsule network framework for flood mapping integrating remote sensing fusion techniques. Environmental Research Communications, 7(6), p.065031. https://doi.org/10.1088/2515-7620/ade6d0.

2. Umair Rasool, Xinan Yin, Zongxue Xu, Muhammad Awais Rasool, Mureed Hussain, Jamil Siddique, Nguyen Thanh Hai. (2025). Quantifying pluvial flood simulation in ungauged urban area; A case study of 2022 unprecedented pluvial flood in Karachi, Pakistan. Journal of Hydrology, 655, p.132905. https://doi.org/10.1016/j.jhydrol.2025.132905.

3. Mohammad Imroz, M.P. Akhtar, Meena Kumari Sharma, Fahad Alshehri. (2025). Integrated assessment of urban flooding and heat island interactions: A systematic review of geospatial technologies, machine learning approaches, and microclimate dynamics. Journal of Environmental Management, 395, p.127984. https://doi.org/10.1016/j.jenvman.2025.127984.

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