Trends of mean annual and seasonal discharges of rivers in Serbia

Kovacevic-Majkic, Jelena; Urošev, Marko

doi:10.2298/ijgi1402143k

Cited by 17 publications

(18 citation statements)

References 10 publications

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“…Бројни проблеми, глобалног карактера, јављају се у вези са водним ресурсима: са једне стране све је већи број жртава и материјалне штете које узрокују екстремне поплаве, а са друге стране увек актуелно и отворено питање: "Да ли има довољно воде за укупну светску популацију?" (Kovačević-Majkić & Urošev, 2014). Катастрофалне поплаве у одређеним деловима света, праћене дугим и тешким сушама, последице су варијабилности климатских елемената и фактора, али и све већег антропогеног дејства и антропо-пресије становништва на природно окружење и животни простор (Yazid & Humphries, 2015).…”

Section: уводunclassified

“…A numerous problems of the global character, which are related with the water resources, are appearing: on the one side, the number of victims and material damage is getting bigger because of extreme floods, and on the other side, the always actual and open question: "Is there enough water for the total world's population?" (Kovačević-Majkić & Urošev, 2014). Catastrophic floods in particular parts of the world, followed by long and heavy droughts, are the consequences of the variability of climate elements and factors, as well as a bigger anthropogenic influence and anthropopression of the population on the natural environment and the living space (Yazid & Humphries, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…The method which has been used in this paper is recommended by numerous worlds' authors: Gao et al, 2011;Meysam et al, 2012;Jeneiova et al, 2014, etc. Statistical analysis of the mean annual and seasonal flows was also the object of the hydrological studies in Serbia: Дуцић et al, 2006;Mustafić, 2012;Stojković et al, 2014;Kovačević-Majkić & Urošev, 2014;Ђокић, 2015;Симић, 2016, etc.…”

Section: Introductionmentioning

confidence: 99%

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Trends of mean annual river discharges in the Zapadna Morava river basin

Langović

Manojlović

Cvorovic³

2017

B SERBIAN GEOGRAPHIC

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Zapadna Morava River basin covers a surface of 15850 km2, which is approximately 18% of the territory of the Republic of Serbia. In its basin, 38 active surface stations are registered. The goal of this paper is the trend analysis of the mean annual river discharges in the Zapadna Morava River basin and their noticing in a longer series of time, as well as determining their intensity. Fifty years period of time (1965 - 2014) is taken for a time series. Because there is no empirical data for mean annual discharge values for all stations for the given period, the number of the hydrological stations, which are processed in this paper, is reduced to 21. Mann-Kendall test has been used for noticing the trend, Sen test has been used for estimating the curves inclinations of the linear trend, while Pettitt?s test has been used for determining the turning point of change. Also, classification of the years by water richness has been performed in this paper in order to determine wet and dry periods. For the needs of identification of medium watery, wet and dry years, the combined method has been used on the data examples from representative stations in the basin. Based on the processed data and the obtained results, it has been established that the most rivers in the basin of the Zapadna Morava River have a slightly decreasing trend of the flow values, whereby the change of the trend is not significant. On the most rivers, the change period has begun in the early eighties of the past century. On a large number of profiles, the watery period was appearing in the beginning of eighties, while the dry season is characteristic for the period from 1990 to 1994.

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Section: уводunclassified

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Trends of mean annual river discharges in the Zapadna Morava river basin

Langović

Manojlović

Cvorovic³

2017

B SERBIAN GEOGRAPHIC

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“…Streamflow trends research over southeastern part of Europe, conducted at different spatial scales, also suggest downward tendencies of streamflow in this region. River discharge trends at 94 stations in Serbia displayed downward tendencies of annual, winter, spring, and summer discharges, whereas upward trends occurred in autumn (Kovačević-Majkić and Urošev, 2014). Observed trends were mainly insignificant (73% on annual and 76-86% on seasonal scale).…”

Section: Introductionmentioning

confidence: 87%

Influence of climate change on river discharges over the Sava River watershed in Bosnia and Herzegovina

Gnjato¹,

Popov²,

Adžić³

et al. 2021

Időjárás

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The paper examines changes in air temperature, precipitation, and river discharges on seasonal and annual scale over the Sava River watershed in Bosnia & Herzegovina during the period 1961–2016. Based upon data gathered from 11 meteorological stations and 3 hydrological stations, hydroclimatic variables trends were established by utilizing the nonparametric Mann-Kendall test and the nonparametric Sen’s slope estimator. The results show significant positive seasonal and annual trends (expect for autumn, during which upward trends were insignificant) in air temperature, whereas both positive and negative insignificant seasonal and annual precipitation trends are shown where determined for the entire watershed. Most prominent upward trends in air temperature were found in summer and afterwards in winter and spring, indicating a pronounced warming tendency over the Sava River watershed. Trends in river discharge displayed a negative tendency in all seasons. Nevertheless, a majority of estimated trends of river discharges were weak and statistically insignificant. Throughout the year, river discharges showed significant positive correlation with precipitation, whilst connection with air temperature was mostly significant and negative. The study results suggest that climate is an important factor affecting river regimes, as well as that changes in river discharges are reflecting recent abrupt changes in climatic variables.

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“…The direct dependence of riverbank erosion from the river discharge variations was expected, but there are differences depending on the registered trend of the discharges during the study period. Various studies (Kovačević-Majkić & Urošev, 2014;Langović, 2017;Bloch et al, 2019) have confirmed the existence of a decreasing trend of the mean annual discharge values of the rivers in Serbia, but a growing trend in the occurrence of extreme hydrological conditions under the influence of climate change. Therefore, the pressure on the river banks became more pronounced.…”

Section: Fig 3 Examples Of Two Meanders With Intensive River Bank Erosion and Land Loss: M 1 Velikamentioning

confidence: 94%

Assessment of the soil loss caused by riverbank erosion in Serbia

Langović

Dragićević

Novković

et al. 2021

Glas Srp geogr drus

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Riverbank erosion and lateral channel migration are important geomorphological processes which cause various landscape, socio-economic, and environmental consequences. Although those processes are present on the territory of Serbia, there is no available data about the soil loss caused by riverbank erosion for the entire country. In this study, the spatial and temporal dynamics of the riverbank erosion for the largest internal rivers in Serbia (Velika Morava, Zapadna Morava, Juzna Morava, Pek, Mlava, Veliki Timok, Kolubara) was assessed using remote sensing and GIS. The aim of this paper is to determine the total and average soil loss over large-scale periods (1923-2020), comparing data from the available sources (aerial photographs, satellite images, and different scale paper maps). Results indicated that lateral migration caused significant problems through land loss (approximately 2,561 ha), especially arable land, and land use changes in river basins, but also economic loss due to the reduction of agricultural production. Total and average soil loss was calculated for five most representative meanders on all studied rivers, and on the basis of the obtained values, certain regularities about further development and dynamics of riverbank movement are presented. A better understanding of river channel migration in this area will be of a great importance for practical issues such as predicting channel migration rates for river engineering and planning purposes, soil and water management and land use changes, environment protection.

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Trends of mean annual and seasonal discharges of rivers in Serbia

Cited by 17 publications

References 10 publications

Trends of mean annual river discharges in the Zapadna Morava river basin

Trends of mean annual river discharges in the Zapadna Morava river basin

Influence of climate change on river discharges over the Sava River watershed in Bosnia and Herzegovina

Assessment of the soil loss caused by riverbank erosion in Serbia

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