Danube River Sediment Input and its Interaction with the North-western Black Sea

Panin, Nicolae; Jipa, Dan C.

doi:10.1006/ecss.2000.0664

Cited by 134 publications

(123 citation statements)

References 2 publications

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“…Within the lower Danube, two barrages (Iron Gates I andII, built up in 1970 and1984, respectively) and the hydrotechnical regulation works along the Danube tributaries have dramatically decreased the sediment discharge at the Danube mouths (within 25-30%) (Panin and Jipa, 2002;Panin, 2003).…”

Section: Control Factorsmentioning

confidence: 99%

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Contrasted sediment processes and morphological adjustments in three successive cutoff meanders of the Danube delta

Duţu

Provansal

Coz³

et al. 2014

Geomorphology

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Since the 1980s intensive anthropogenic disturbances have affected the channel of the St. George branch, the southern distributary of the Danube River. The meander cutoff program since [1984][1985][1986][1987][1988] induced different hydrosedimentary impacts on the local distribution of river flow velocities, discharge, and sediment fluxes between the former meanders and the man-made canals (Ichim and Radoane, 1986;Popa, 1997;Panin, 2003). This paper selects three large cutoff meander reaches of the St. George branch (the Mahmudia,

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Section: Control Factorsmentioning

confidence: 99%

“…Such river training works caused a change in the distribution of the solid as well as the liquid discharges in the whole delta, increasing fluxes through the St. George branch (Popa, 1997;Panin and Jipa, 2002;Panin, 2003). Locally, earth dikes (with 2-3 m in height) were built in the 1980s along the banks.…”

Section: Control Factorsmentioning

confidence: 99%

Contrasted sediment processes and morphological adjustments in three successive cutoff meanders of the Danube delta

Duţu

Provansal

Coz³

et al. 2014

Geomorphology

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“…Gheorghe). The average water ow discharge of the Danube River is 6.300 m /s [30]. The distribution of the water discharge relating to the three main branches is: Chilia 58%, Sulina 19%, and Sf.…”

Section: Study Area and The Environmental Settingmentioning

confidence: 99%

“…Into the Black Sea are downloaded annually about 110.000 tonnes of oil, making the e ects of pollution to manifest in the environmental balance of the entire basin. A high proportion of pollution to the marine environment comes through the Danube River (e.g., discharging a quantity of 53.000 tonnes of oil, annually), domestic sewages (e.g., 30.000 tonnes of oil), industrial wastewaters, oil industry (e.g., 15.000 tonnes of oil) and maritime transport (e.g., 12.000 tonnes of oil), [23]. Although during the recent decades, it has been noticed a decreasing trend of the Danube River sediment input (e.g., due to hydro-technical works along the Danube River and its distributaries), the Danube River is still carrying a considerable amounts of sediments towards the Black Sea [24].…”

Section: Study Area and The Environmental Settingmentioning

confidence: 99%

Environmental impact of the Midia Port - Black Sea (Romania), on the coastal sediment quality

et al. 2016

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Abstract:The aim of the study was to evaluate the impact of potential pollution sources, mainly from the upstream anthropogenic sources and port-related activities. The investigated area covered a wide range of anthropogenic impacts (e.g., industrial wastes, storm water runo , accidental oil spills, intentional discharges and shipping activities). The quality of water and sediments was assessed using standard methods, as physical-chemical parameters, chemistry and biology (microbiology, ecotoxicology) aiming to gure the level of pollution and the e ect of portrelated activities. Seawater quality results agreed generally with environmental standards. Though, in some samples the concentrations of sulphates (mg/l) and heavy metals (µg/l), as B, As and Se exceeded the recommended limits, without posing a serious environmental concern. Most of the surface sediment samples contain critical levels of hydrocarbons (C>12), (mg/kg), polycyclic aromatic hydrocarbons (ng/g) and polychlorobiphenyls (ng/g). For some heavy metals (mg/kg), exchangeable concentrations were found to be very close or above the regulations. The signicance of this study is incontestable taking into account the lack of previous relevant historical data of this area. In this sense, it was possible to indicate, in general, good environmental conditions, despite the industrial and concentrated local port-related activities in the investigated area.

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“…Riverine sediment flux into an estuary usually governs the 10 0~1 0 2 year evolution of deltas (Innocenti and Pranzini, 1993;Fanos, 1995;Guillen and Palanques, 1997;Barusseau et al, 1998;Stanley and Warne, 1998;Carriquiry and Sánchez, 1999;Ly, 1980;Panin and Jipa, 2002;Yang et al, 2003a). It also affects short-term sediment transport in the estuarine and coastal areas (Yang et al, 2003b;Shi, 2004).…”

Section: Introductionmentioning

confidence: 99%

Research Note:Effects of human activities on the Yangtze River suspended sediment flux into the estuary in the last century

Yang

Zhong

Zhao

et al. 2004

Hydrol. Earth Syst. Sci.

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The surface erosion area in the Yangtze River basin increased from 364×10 3 km 2 in the 1950s to 707×10 3 km 2 in 2001 due to a great increase in population. Based on the regression relationship between surface erosion area and population, the surface erosion area was predicted to be about 280×103 km 2 at the beginning of the 20 th century. The sediment yield, which increased by about 30% during the first six decades of the 20 th century, was closely related to the surface erosion area in this river basin. The Yangtze annual suspended sediment flux into the estuary was about 395×106 t a -1 at the beginning of the century, and this gradually increased to an average of 509×10 6 t a -1 in the 1960s. The increase in the suspended sediment flux into the estuary was accelerated in the 1950s and the 1960s due to the rapid increase in population and land use immediately after the Second World War and the Liberation War. After the riverine suspended sediment flux reached its maximum in the 1960s, it decreased to <206×10 6 t a -1 in 2003. Construction of dams was found to be the principal cause for this decreasing trend because, during the same period, (a) the riverine water discharge did not show a decreasing trend, (b) water diversion was not influential and (c) sedimentation in lakes and canals of the middle and lower reaches did not increase. The total storage capacity of reservoirs has increased dramatically over the past half century. The amount of sediment trapped in reservoirs has increased to more than half a billion t a -1 . As a result, the suspended sediment flux into the estuary dramatically decreased, even though the sediment yield from many areas of the basin increased in recent decades. Human activities gradually increased the suspended sediment flux into the estuary before the 1960s and then rapidly decreased it. The last century was a period when the Yangtze suspended sediment flux into the estuary was dramatically affected by human activities.

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Danube River Sediment Input and its Interaction with the North-western Black Sea

Cited by 134 publications

References 2 publications

Contrasted sediment processes and morphological adjustments in three successive cutoff meanders of the Danube delta

Contrasted sediment processes and morphological adjustments in three successive cutoff meanders of the Danube delta

Environmental impact of the Midia Port - Black Sea (Romania), on the coastal sediment quality

Research Note:Effects of human activities on the Yangtze River suspended sediment flux into the estuary in the last century

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