Sedimentary Dynamics in Sustainable Management of Rivers and Coasts

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IAHR-SPAIN WATER Day

Sedimentary Dynamics in Sustainable Management of Rivers and Coasts 

Date: Wednesday, February 26th  2020. From 9 A.M. to 6 P.M. (Spain time)

Event location: Assembly Hall of the Center of Studies of Applied Techniques of CEDEX. Calle de Alfonso XII, 3, 28014 Madrid.

See it in the map:  http://www.cedex.es/CEDEX/LANG_CASTELLANO/ORGANISMO/CENTYLAB/CETA/LOCACONT/

INTRODUCTION

The sedimentary dynamics from the headwaters of the rivers and streams to their mouth in the sea and the movement of sediments along the coast are two of the most important elements in the sustainable management of rivers and coasts, also representing one of the factors which most affect the distribution of habitats of numerous aquatic organisms and the morphology of rivers and coasts. However, human activity has often disturbed this transit. In fact, the sedimentary imbalance, induced by the interaction of different human infrastructures with the transport of solid cargo, is behind many of the dysfunctions and management problems observed in our rivers and coasts during the last decades.

Human action and infrastructure can greatly alter the amount of sediment available in a river course and on the coast, as well as its ability to mobilize such solid cargo. In fact, numerous Spanish rivers and coasts show unequivocal symptoms of important hydrosedimentary imbalances, which appear to be the result of the installation of different types of infrastructure, as well as other human actions at the hydrographic demarcation scale.

Therefore, a good diagnosis of the hydromorphological state of the Spanish channels and coasts implies a good identification of the functioning of river basins and coastal areas. However, given the lack of information on the processes of transport of river sediment in our rivers, the realization of a good diagnosis can be complicated.

Due to the complexity of the study and the measurement of the sedimentary load - river and coastal -, the various agencies and agencies responsible for the management of the river and coastal environment have, in general, insufficient information to be able to evaluate, in detail, the solid load in terms of management. It is necessary, therefore, to diagnose the state of Spanish rivers and coasts in terms of hydro-alimentary continuity and identify the best management and / or recovery strategies, in order to guarantee a long-term use of the river and coastal environment that is sustainable.

In this context, during this day the possibility of creating a “Sediment Observatory” will be considered, which will represent a unique opportunity to generate hydromorphological and quality databases in the Spanish channels and coasts and, above all, for the development and development of diagnostic tools and protocols that allow us to properly characterize the situation of our rivers and coasts.

As a result of the content of the Day, it is intended to facilitate a vision of the integral cycle of sedimentary dynamics in the river and coastal environment, so that as in relation to the ecological flow in the rivers that, to date, this consider as liquid flow, in the near future, both the liquid and the solid are the ones that conform the concept of ecological flow and this taking into account both the river and the sea environment.

PROGRAM

1- Reception of assistants (8: 00-9: 00)

2- Inauguration (9: 00-9: 30)

  • José Trigueros Rodrigo, Director of CEDEX.

  • Teodoro Estrela Monreal, General Director of Water.

  • Ana María Oñoro Valenciano, General Director of the Coast and the Sea.

3- Introductory presentations (9: 30-10: 10)

  • Main challenges in sediment management in rivers and coasts in Spain

  • Francisco Javier Sánchez Martínez and Fernando Magdaleno Mas, General Directorate of Water.

  • Ángel Muñoz Cubillo, Deputy Director General for the Protection of the Coast, General Directorate of the Coast and the Sea.

4- International Presentation (10: 10-11: 10)

  • Reservoir Sedimentation: processes, problems and management strategies.

  • Kamal El Kadi Abderrezzak. Electricidad de Francia (EDF) and Chairman of the IAHR Sedimentation Working Group.

5- Coffee & Networking (11: 10-11: 30)

6- Session 1 (11: 30-13: 30)

  • Moderator: Luis Balairón Pérez, Center for Hydrographic Studies of CEDEX.

  • - The incision in the Bernesga River, León: problems and future challenges. Ignacio Rodríguez Muñoz. Hydrographic Confederation of the Duero Carles Ferrer Boix. Polytechnic University of Catalonia.

  • - Sedimentation problems in the Marmolejo Reservoir. Towards sustainable management. David López Gómez, Center for Hydrographic Studies of CEDEX.

  • - Relations between coastal sediment and river contributions in the Cantabrian. Jorge Marquínez García. Institute of Natural Resources and Territorial Planning (INDUROT). Oviedo University.

  • - Studies on the management of river sedimentation in the Llobregat and Ter basins in Catalonia. Ramón Bella Piñeiro, Suez. Monica Bardina Martín, Catalan Water Agency.

  • - Study of the temporary changes of the sediments of the vessel of the La Requejada reservoir. Pisuerga River, Palencia. Alfonso Pisabarro Pérez, University of Valladolid Ignacio Rodríguez Muñoz, Hydrographic Confederation of the Duero.

  • - The role of estuaries as a source / sink for sediments. Implications of climate change on this role. Raúl Medina Santamaría. Institute of Environmental Hydraulics. University of cantabria.

7- Food (13: 30-14: 30)

8- Session 2 (14: 30-17: 00)

  • Moderator: José Mª Valdés Fernández de Alarcón. Center of Studies of Ports and Coasts of the CEDEX

  • - Tools for studies of coastal dynamics and sedimentary management alternatives for the control of coastal erosion and adaptation to climate change. José Francisco Sánchez González. Center of Studies of Ports and Coasts of the CEDEX.

  • - The Rhone River Sediment Observatory. Daniel Vázquez Tarrio. Institute of Natural Resources and Territorial Planning (INDUROT). Oviedo University.

  • - Solid contribution of the Llobregat river. Factors that control it and relationship with the retreat of the delta and the coast. Juan Pedro Martín Vide. Polytechnic University of Catalonia.

  • - Current state of numerical modeling of solid transport in rivers. Ernest Bladé Castellet. Flumen Group Higher Technical School of Civil Engineers, Channels and Ports. Polytechnic University of Catalonia.

  • - Characterization of the morphosedimentary dynamics of the Mediterranean beaches from Sentinel 2 and Landsat 8 images. Josep E. Pardo Pascual. Polytechnic university of Valencia.

  • - Sediment management on the Spanish coast. Regulatory constraints and impact on the sedimentary balance. Ana Lloret Capote. Center of Studies of Ports and Coasts of the CEDEX.

  • - Links between the sedimentary contribution of rivers and coastal morphology. Leonardo Monzonís Forner. General Directorate of the Coast and the Sea Fernando Pérez Burgos. General Directorate of the Coast and the Sea Mª Auxiliadora Jordá Guijarro. General Directorate of the Coast and the Sea.

9- Round Table (17: 00-18: 00)

Moderators: Francisco Javier Sánchez Martínez, General Water Directorate. Ana García Fletcher, General Directorate of the Coast and the Sea.

10- Closing (18: 00-18: 15)

Federico Estrada Lorenzo (Director of the Center for Hydrographic Studies of CEDEX) and Ramón Mª Gutiérrez Serret (Director of the Center for Studies of Ports and Coasts of CEDEX).

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