Effects of discharge reductions on salt wedge dynamics of the. Dec 10, 2003 the wedge dynamics would also be affected by the planned river diversion scheme towards other areas of spain. Ebro river basin, and has seen firsthand the legal, socioeconomic and technical. Press enter or select the go button to submit request. The river is of little use for inland navigation because of varying volume. Climate change is expected to result in increasingly unpredictable and variable rainfall, in both amount and timing, changing seasonal patterns, and increasing frequency of extreme weather events 11. Damming the ebro river the spanish case annelies broekman paris, 05 december 2015.
Temporary diversion methods vary with the size of the waterway that is being diverted. The ebro river basin plan 2014 can be downloaded here. The ebro water transfer, a waste of money the water quality of the ebro river the spanish national hydrological plan snhp proposes a water transfer of 1050 hm3 per year from the ebro river in the north to the dry southeast region of spain. Hasdrubal barca, the carthaginian commander in iberia, had launched a joint expedition to destroy the roman. Apr 25, 2017 the flow of the ebro river is to the southeast course to its delta, which is 910 kilometers away from it source in pico tres mares, emptying into the atlantic in the tarragona province. The ebro transfer was prompted by pervasive pressures, scarcity and degradation of southeastern basins in spain. The battle of ebro river was a naval battle fought near the mouth of ebro river in the spring of 217 bc between a carthaginian fleet of approximately 27 quinqueremes, under the command of himilco, and a roman fleet of 55 ships, under gnaeus cornelius scipio calvus. National weather service advanced hydrologic prediction.
Water planning towards a green economy in the ebro river basin. Pdf the main goal of the spanish national hydrological plan is the. It passes through seven different autonomous communities in spain, starting with cantabria in the very north east and finishing in valencia in the west. Page 1 of water planning towards a green economy in the ebro river basin manuel omedas, rogelio galvan, carlos mario gomez. Some specimens weigh more than 200 pounds and can drag a boat up. Its source is in fontibre cantabria, and it passes through nine autonomous communities before flowing into the mediterranean sea where it forms the ebro delta catalonia. Special powers of governing board and president of river basin authority reduce uses allocation modify priority criteria substitute the sources of water resources for water rights modify waste water discharge parameters modify river basin management plan allocations installation of counters and devices to impede the abstraction of. Opponents of the scheme say it even creates new difficulties. A geographic history of the brazos river diversion at. Files are available under licenses specified on their description page. Generally, the river diversion is designed aiming at the goal of its use, even partial, for the construction of permanent works. He is a civil engineer and also holds a degree in history. The diversion of the ebro is an ineffective response to spains cultural, social, political and economic problems.
River impoundment and changes in flow regime, ebro river basin. He has 16 years of experience working on water planning and iwrm in. They construct floodplains as autoregulation system, that is. By 28 february 2015, the overflowing river had flooded around 20,000 hectares in aragon, northeastern spain since then river levels have continued to rise and have now flooded areas along the river in zaragoza, the capital of the region and spains fifth largest city. Iber, which arguably led to the name of the whole iberian peninsula. However, there is a continuous decreasing tendency. Pdf applying decisionmaking theory to water management in. By 28 february 2015, the overflowing river had flooded around 20,000 hectares in aragon, northeastern spain. Water transfer from the ebro river human development. But environment minister cristina narbona said it was being stopped for environmental and financial reasons. River basins worldwide are under pressure from economic activities. This diversion plan would mean a reduction of about 15% of the annual discharge in the ebro lower course and the corresponding impact should be.
Applying decisionmaking theory to water management in spain. The ebro river and major tributaries, approach of the free space for river concept. In europe, the two main factors hindering the achievement of good chemical and ecological status of european river basins are pollution, mainly coming from agriculture, and hydromorphology e. This transfer entails diverting tagus river water from the entrepenas and. He has 16 years of experience working on water planning and iwrm in the ebro basin. The transfer of water from the lower ebro river was approved by the spanish parliament on 5th july 2001, under the law 102001, on the national hydrological plan. Forecasts for the choctawhatchee river near bruceebro sr 20 are issued as needed during times of high water, but are not routinely available. Chapter 11 hydrological effects of dams and water diversions on. River network is a key element in environmental dynamics and territorial. It empties through a wide delta into the mediterranean below tortosa. The diversion point of the water transfer is planned to be 10 km upstream from the city of. A presentation on river diversion focusing on cofferdams, diversion tunnels, diversion dams and other alternative methods.
Chapter 11 hydrological effects of dams and water diversions on rivers of. The previous conservative cabinet had already started the project to transfer 100bn litres of water a year from the northern river to the more arid south. Jun 18, 2004 spain has abolished a controversial plan to divert the ebro river. The economic activities affect the chemical and ecological. Effects of discharge reductions on salt wedge dynamics of. The ebro river and tributaries northeastern spain are regulated by over 187 dams, with. National weather service advanced hydrologic prediction service.
The river ebro is one of the longest rivers in spain, with a length of 930 km and a river basin of 86,100 km2. Since then river levels have continued to rise and have now flooded areas along the river in zaragoza, the capital of the region and spains fifth largest city. Case study for the 2006 hdr water transfer from the. Ebro river discharge characteristics geography fieldwork.
Case study for the 2006 hdr water transfer from the ebro river. Located in the north east of the iberian peninsula, the ebro river basin covers. Master water control manual, san joaquin river basin, california. There have been protests against the diversion plan in the past. It took place between july and november 1938, with fighting mainly concentrated in two areas on the lower course of the ebro river, the terra alta comarca of catalonia, and the auts area close to fayon faio in the lower matarranya, eastern lower aragon. Historical evolution of the ebro delta shoreline source. Floods in northern spain as ebro river breaks its banks. Rogelio galvan plaza is the head of the hydrological planning office at the ebro river basin authority.
Split into four parts this authoritative volume begins with. Flow requirements for the lower ebro river, delta and marine ecosystems. Pdf river basin management and delta sustainability. Party embedded the diversion of the river ebro in its nhp national. The wedge dynamics would also be affected by the planned river diversion scheme towards other areas of spain. Even small diversion dams can completely dewater channels at baseflow. It begins as a mountain stream flowing through green pastures and valleys, imposing canyons, vineyards, past pretty and unknown villages, as we cycle we perceive the changes in the landscape and the river itself. Developers panic as spain scraps river project environment. The drainage basin of the ebro river is the largest in spain at 33,000 square miles. Of the transferred water 40% is earmarked for drinking. Water management in mediterranean river basins college of. The magnitude, method and cost of river diversion works will depend upon the crosssection of the valley, the bed material in the river, the type of dam, the expected hydrological conditions during the time required for this phase of the work, and finally upon the consequences of failure of any part of the temporary works.
The ebro rises in springs at fontibre near reinosa in the cantabrian mountains, in the cantabria province of northern spain. Wwf position paper seven reasons why wwf opposes the spanish national hydrological. A decree authorising a diversion from the ebro river, put on hold when jose luis rodriguez zapateros socialist government took power, is. An assessment of the spanish national hydrological plan office. Forecasts for the choctawhatchee river near bruce ebro sr 20 are issued as needed during times of high water, but are not routinely available. Spatial modeling of rainfall patterns over the ebro river. River basins and water management in spain european parliament. Temporary diversion methods are appropriate in situations when it is necessary to divert the flow around the area where work is being conducted. Pdf the environmental impact of the spanish national.
More and more fishing enthusiasts are coming to spains ebro river to find the giant wels catfish. A design guide covers all aspects of river diversion design including technical, construction and legal matters in one concise volume. The ebro river drains a triangular basin with an area of 85. The ebro river basin authority and the 2014 basin plan. Rolling of the aragon river flood as it passes through sanguesa due to the water held in the yesa and itoiz reservoirs 46 figure 16.
Changes in nutrients in the lower ebro river 3 figure 1. This diversion plan would mean a reduction of about 15% of the annual discharge in the ebro lower course and the corresponding impact should be carefully assessed. Some specimens weigh more than 200 pounds and can drag a boat up and downstream. A decree authorising a diversion from the ebro river, put on hold when jose luis rodriguez zapateros socialist government took power, is expected to be struck out at a cabinet meeting today and.
Ebro river drains 85,530 km2 along the southernfacing slopes of the. River network is a key element in environmental dynamics and territorial planning. Pdf applying decisionmaking theory to water management. For large streams, a temporary diversion may consist of berms or coffer dams constructed within the stream to. It is the second longest river in the iberian peninsula after the tagus, second biggest by discharge volume and by drainage area after the douro, and longest river running entirely within spain. Ebro river article about ebro river by the free dictionary. The use of part of the river diversion works will make the structure composed with temporary and permanent structures, more economical and integrated. The ebro river, or rio ebro in spanish, is the most important river in spain and the largest in regards to the amount of water it moves each year.
Levels of the ebro river have been high for the last 3 to 4 days. Pdf by 2001, after three trials of central authorities to divert the river ebro in 1933, 1970. Spain has abolished a controversial plan to divert the ebro river. River diversion free download as powerpoint presentation. All structured data from the file and property namespaces is available under the creative commons cc0 license. Ebro river basin spain the ebro river system flows on the northeast of the iberian peninsula through 9,309 km and the basin includes a surface of around 85,000 km 2 and 347 main rivers. To demonstrate the effects of these diversions, sanchez 2004 constructed a series called. This essential book provides guidance on the design of river diversions taking into account the wide range of issues that must be considered in the planning, design and construction.
It flows for 565 miles 910 km in a southeasterly course to its delta on the mediterranean coast in tarragona province, midway. Jun 18, 2004 developers panic as spain scraps river project. The report, drawn up by the spanish council for scientific. Water supplies in the ebro river basin, a mediterranean area, present high seasonal fluctuations. The rise and fall of the ebro water transfer abstract this article analyzes the ebro interbasin transfer, which was the main project of the spanish national hydrological plan. To improve the status of water in the public domain. Ebro river flood episode as it flows through the city of zaragoza 46 figure 17. After the spanish government repealed ebro river outofbasin diversion in june, the river has hit the headlines once again, this time for a very different reason. Water planning towards a green economy in the ebro river. A unique trip, following the river ebro, the longest in spain, as it flows from its source in the cantabrian mountains. The main objectives of the national hydrological plan were the following. This channel diversion resulted in the abandonment of the older lobe in leas than 20 years.