Hydrologic (dis)connectivity of the fluvial systems Senguerr and Chubut due to natural and cultural factors in the 20th century
The Senguerr and Chubut River systems constitute the most important water resource in the extra-Andean region of the Chubut Province. Both systems were connected at the beginning of the Holocene. However, the more arid climatic conditions prevailing in the area from the Middle Holocene onwards led t...
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| Formato: | Artículo revista |
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CURIHAM: Centro Universitario Rosario de Investigaciones Hidroambientales Facultad de Ciencias Exactas, Ingeniería y Agrimensura. Universidad Nacional de Rosario Director: Dr. Ing. Hernán Stenta Riobamba 245 bis, 2000 Rosario (Santa Fe), Argentina. Telefa
2025
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| Acceso en línea: | https://cuadernosdelcuriham.unr.edu.ar/index.php/CURIHAM/article/view/276 |
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I15-R229-article-276 |
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ojs |
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Universidad Nacional de Rosario |
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I-15 |
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R-229 |
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Cuadernos del CURIHAM |
| language |
Español |
| format |
Artículo revista |
| topic |
Conectividad Hidrológica Paleohidrología Modelación Hidráulica río Senguerr Hydrological Connectivity Paleohydrology Hydraulic Modeling Senguerr River Chico River |
| spellingShingle |
Conectividad Hidrológica Paleohidrología Modelación Hidráulica río Senguerr Hydrological Connectivity Paleohydrology Hydraulic Modeling Senguerr River Chico River Kaless, Gabriel Marguet, Alan Bastida, Rodrigo Hydrologic (dis)connectivity of the fluvial systems Senguerr and Chubut due to natural and cultural factors in the 20th century |
| topic_facet |
Conectividad Hidrológica Paleohidrología Modelación Hidráulica río Senguerr Hydrological Connectivity Paleohydrology Hydraulic Modeling Senguerr River Chico River |
| author |
Kaless, Gabriel Marguet, Alan Bastida, Rodrigo |
| author_facet |
Kaless, Gabriel Marguet, Alan Bastida, Rodrigo |
| author_sort |
Kaless, Gabriel |
| title |
Hydrologic (dis)connectivity of the fluvial systems Senguerr and Chubut due to natural and cultural factors in the 20th century |
| title_short |
Hydrologic (dis)connectivity of the fluvial systems Senguerr and Chubut due to natural and cultural factors in the 20th century |
| title_full |
Hydrologic (dis)connectivity of the fluvial systems Senguerr and Chubut due to natural and cultural factors in the 20th century |
| title_fullStr |
Hydrologic (dis)connectivity of the fluvial systems Senguerr and Chubut due to natural and cultural factors in the 20th century |
| title_full_unstemmed |
Hydrologic (dis)connectivity of the fluvial systems Senguerr and Chubut due to natural and cultural factors in the 20th century |
| title_sort |
hydrologic (dis)connectivity of the fluvial systems senguerr and chubut due to natural and cultural factors in the 20th century |
| description |
The Senguerr and Chubut River systems constitute the most important water resource in the extra-Andean region of the Chubut Province. Both systems were connected at the beginning of the Holocene. However, the more arid climatic conditions prevailing in the area from the Middle Holocene onwards led to their disconnection. The (dis)connection of the systems was studied through an integrated approach using, hydraulic modelling, hydrological balance and fluvial geomorphology analysis. The former connection was characterized in terms of the paleo-discharges of the Chico River (module of 15.6 m3/s, mean maximum monthly flow of 36.3 m3/s and a dominant flow of 70 m3/s) and its frequency. Due to the high evaporation rate, high areal extension of the Colhué Huapi and Musters Lakes, and the obstruction of the beginning of the Chico River, the current frequency of connectivity is very low and depends on the occurrence of several consecutive wet years. On the other hand, the connectivity of the systems Chico-Chubut was characterized, estimating floods of 80 m3/s and an average annual contribution of 20.1 Hm3 to the Chubut system. The results of the present study suggest that the current disconnection in the Senguerr-Chubut River systems began before the cultural changes in the use of the water resources during the 20th century. |
| publisher |
CURIHAM: Centro Universitario Rosario de Investigaciones Hidroambientales Facultad de Ciencias Exactas, Ingeniería y Agrimensura. Universidad Nacional de Rosario Director: Dr. Ing. Hernán Stenta Riobamba 245 bis, 2000 Rosario (Santa Fe), Argentina. Telefa |
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2025 |
| url |
https://cuadernosdelcuriham.unr.edu.ar/index.php/CURIHAM/article/view/276 |
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I15-R229-article-2762025-11-12T02:37:57Z Hydrologic (dis)connectivity of the fluvial systems Senguerr and Chubut due to natural and cultural factors in the 20th century (Des)Conexión hidrológica de los sistemas fluviales Senguerr y Chubut por factores naturales y culturales en el siglo XX Kaless, Gabriel Marguet, Alan Bastida, Rodrigo Conectividad Hidrológica Paleohidrología Modelación Hidráulica río Senguerr Hydrological Connectivity Paleohydrology Hydraulic Modeling Senguerr River Chico River The Senguerr and Chubut River systems constitute the most important water resource in the extra-Andean region of the Chubut Province. Both systems were connected at the beginning of the Holocene. However, the more arid climatic conditions prevailing in the area from the Middle Holocene onwards led to their disconnection. The (dis)connection of the systems was studied through an integrated approach using, hydraulic modelling, hydrological balance and fluvial geomorphology analysis. The former connection was characterized in terms of the paleo-discharges of the Chico River (module of 15.6 m3/s, mean maximum monthly flow of 36.3 m3/s and a dominant flow of 70 m3/s) and its frequency. Due to the high evaporation rate, high areal extension of the Colhué Huapi and Musters Lakes, and the obstruction of the beginning of the Chico River, the current frequency of connectivity is very low and depends on the occurrence of several consecutive wet years. On the other hand, the connectivity of the systems Chico-Chubut was characterized, estimating floods of 80 m3/s and an average annual contribution of 20.1 Hm3 to the Chubut system. The results of the present study suggest that the current disconnection in the Senguerr-Chubut River systems began before the cultural changes in the use of the water resources during the 20th century. Los sistemas fluviales Senguerr y Chubut constituyen el recurso hídrico más importante en la región extraandina de la provincia de Chubut. Ambos sistemas estuvieron conectados al inicio del Holoceno. Sin embargo, las condiciones climáticas de mayor aridez prevalentes en la zona a partir del Holoceno Medio propiciaron su desconexión. Se estudió la (des)conexión de los sistemas mediante un abordaje integral con modelación hidráulica, balance hidrológico y análisis de la morfología fluvial. Se caracterizó la conexión pretérita en términos de paleocaudales del río Chico (módulo de 15.6 m3/s, caudal máximo medio mensual de 36.3 m3/s y un caudal dominante de 70 m3/s). Debido a la alta tasa de evaporación, elevada extensión areal de los lagos Colhué Huapi y Musters, y obturación del nacimiento del río Chico, la frecuencia actual de conectividad es muy baja y depende de la ocurrencia de varios años húmedos consecutivos. Por otro lado, se caracterizó la conexión de los sistemas Chico-Chubut, registrándose crecidas de 80 m3/s y aporte medio anual de 20.1 Hm3 al sistema Chubut. Los resultados del presente estudio sugieren que la desconexión observada actualmente en los sistemas fluviales Senguerr-Chubut inició antes de los cambios culturales en el uso del recurso hídrico del siglo XX. CURIHAM: Centro Universitario Rosario de Investigaciones Hidroambientales Facultad de Ciencias Exactas, Ingeniería y Agrimensura. Universidad Nacional de Rosario Director: Dr. Ing. Hernán Stenta Riobamba 245 bis, 2000 Rosario (Santa Fe), Argentina. Telefa 2025-05-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://cuadernosdelcuriham.unr.edu.ar/index.php/CURIHAM/article/view/276 10.35305/curiham.v31.e08 Cuadernos del CURIHAM is a half-year publication of the Centro Universitario de Rosario of hydro-environmental research directed by Adelma Mancinelli. It is dedicated to spreading the results of basic and applied research as well as technological innovations on the realm of hidro-environmental issues. It may include field study results, interdisciplinary studies or studies on the state of art on the field: basic hydraulics, fluvial and hydrodinamics, superficial and underground hydrology, urban and stochastic hydrology, planning and management of hydric resources, environmental evaluation, pollution and quality of the water, politics and water legislation, regional hydro-environmental management, hydraulic construction, methods and techniques and everything related to hydro-environmental sciences.; Vol. 31 (2025); 08 Cuadernos del CURIHAM; Vol. 31 (2025); 08 2683-8168 spa https://cuadernosdelcuriham.unr.edu.ar/index.php/CURIHAM/article/view/276/330 https://creativecommons.org/licenses/by-nc-sa/4.0 |