Video Experimental Relacionado

Updated: Sep 9, 2025

Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration

Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration

Published on: June 7, 2024

Restauración funcional de los ríos como palanca para la adaptación al cambio climático desde un escaparate

Valentin Chardon¹, Cassandra Euzen¹, Laurent Schmitt¹

¹Laboratoire Image, Ville, Environnement (LIVE UMR 7362), Université de Strasbourg, CNRS, ENGEES, ZAEU LTER, 3 rue de l'Argonne, Strasbourg, 67083, France.

Journal of environmental management

|September 4, 2025

Resumen

La regulación fluvial y el cambio climático han degradado los hábitats acuáticos en el Rin. La restauración debe mejorar la conectividad y el intercambio de agua para mejorar la resistencia del ecosistema.

Área de la Ciencia:

Ecología fluvial
Hidrología
Impactos del cambio climático

Sus antecedentes:

La regulación de los ríos para uso humano altera la dinámica natural.
Los grandes ríos como el Rin se enfrentan a importantes presiones antropogénicas.
El cambio climático agrava la degradación ecológica.

Objetivo del estudio:

Evaluar los impactos de la regulación del río Rin y el cambio climático en Rhinau-Taubergiessen.
Desarrollar una estrategia de restauración basada en procesos.
Comprender los cambios ecológicos e hidrológicos a largo plazo.

Principales métodos:

Análisis de los cambios planimétricos, del nivel del agua y del nivel de las aguas subterráneas (1778-2020).
Investigación de la distribución del sedimento fino.
Análisis de datos hidrológicos y de temperatura del agua (1869-2020).

Principales resultados:

Significativa disminución de la dinámica de los hábitats acuáticos y ribereños.
Reducción de las fluctuaciones de las aguas subterráneas y la frecuencia de las inundaciones.
Aumento de 2,9 °C de la temperatura media del agua en 50 años.

Conclusiones:

La regulación fluvial y el cambio climático tienen un impacto negativo en los ecosistemas fluviales.
La restauración requiere mejorar la conectividad lateral y el intercambio de agua entre la superficie y el subsuelo.
La integración de la adaptación al cambio climático en la restauración es crucial para el éxito a largo plazo.

Palabras clave:

El cambio climático Sedimentos finos Escalas espaciales entrelazadas El Rin Restauración de los ríos

Más Videos Relacionados

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Videos de Conceptos Relacionados

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

Rapidly Varying Flow

Rapidly Varying Flow

Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...

Adaptations that Reduce Water Loss

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.

Responses to Drought and Flooding

Responses to Drought and Flooding

Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.

Typical Model Studies

Typical Model Studies

Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.

Design Example: Creating a Hydraulic Model of a Dam Spillway

Design Example: Creating a Hydraulic Model of a Dam Spillway

Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.