Events

14
2021. szeptember 14., kedd

Hydrologist Club launches at the South-Transdanubian Water Management Directorate September 13, 2021

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From the year of 2021, monthly lectures are planned to be held by the Hungarian Hydrological Society’s Territorial Organization of County Baranya -from September till the end of next May-, in the official premises ...

5
2021. június 5., szombat

World Environment Day - June 5th, 2021

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The first major conference on environmental issues was held in 1972 by the United Nations, which is known as the Conference on the Human Environment or the Stockholm Conference. Resolution A/RES/2994 (XXVII) was set out and adopted ...

27
2021. május 27., csütörtök

Internal training in Kaposvár at Kapos flood defence structure - for water management operators and water security guards – May 26, 2021

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Within the framework of the education program for civil servants employed by water management entities, internal training was held for colleagues employed in the job categories of water management operators and water security guards on May 27, 2021 in Kaposvár, at Kapos flood defence structure ...

2
2020. december 2., szerda

Blood Donation Campaign Was Organized At The South-Transdanubian Water Management Directorate – December 2, 2020

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Blood donation campaign was organized at the premises of the South-Transdanubian Water Management Directorate on Wednesday December 2, 2020. Blood donation events are considered as a tradition

14
2020. július 14., kedd

Short film, which summarises the events of the flood protection exercise

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Joint flood protection exercise was held by the General Directorate of Water Management and the South-Transdanubian Water Management Directorate at several locations in the area of ??its operation on July 14, 2020.

22
2020. április 22., szerda

The final of the National Vocational Training Competition

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National Vocational Education Competition (OSZTV) was published this year as well in accordance with traditions and in line with Section 73(2)(h) of Act 187 of 2011 on Vocational Education and Training. In 2020, out of six schools, which provide secondary education on water management in the country, 32 students entered for the competition in the field of water management technician.

13
2020. február 13., csütörtök

National Vocational Training Competition was organized at Drava Valley High School in Barcs

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National Vocational Education Competition (OSZTV) was published this year as well in accordance with traditions and in line with Section 73(2)(h) of Act 187 of 2011 on Vocational Education and Training. In 2020, out of six schools, which provide secondary education on water management in the country, 32 students entered for the competition in the field of water management technician.

Events Archive
Content manager: Pinczehelyi-Tátrai Tímea, PR-munkatárs

The impact of climate change on the hydrometeorological extremes 21/11/16

2016. november 23., szerda 09:27

The urbanization, the development of technology, the exploitation of environmental resource and all these are closely related to, that the climate of the Earth is constantly always in changing. It is, however, what extent it can be natural processes and what size is the role of the anthropogenic factors next to the natural processes. Due to the increasing in the intensity of the hydrological cycle, the extreme weather phenomena are increasingly frequent, for example droughts or intense precipitation intensity. (Balatonyi, 2016)

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Extreme rainfall event

The climate of the Carpathian basin is going to be change, whose sings have been detected by the water maagement sector. The waters of Hungary, the following changes can be observed: the realignment of annual runoff of River Danube, decreasing of summer low waters, increasing of the water temperature as well as decreasing of ice phenomenas. In the area between the Danube and the Tisza rivers the water runoff is down and it observed the lowering of the groundwater table, next to the decreasing of the annual runoff the flash floods are frequently at the Tisza.

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Flood wave at River Danube 2013

Flash floods are the consequences of multiple hydrologic, pedologic and meteorologic phenomena. One of the most adequate descriptions of floods is summarized in the definition of ‘too much water in too little time’. Flash floods are also called rapid-response floods, as typical times of concentrations for flash floods are usually less than six hours (Georgakakos 1987; Georgakakos 2002; Georgakakos 2006; Georgakakos és Hudlow 1984). Flash floods are relatively common phenomena, although not as frequent as in the Alps or other terrains with high relief. Unsurprisingly, disastrous events rapidly sink into oblivion, thus the regular maintenance of flood mitigation facilities, like flood detention pools and levees, is often ignored and neglected (Balatonyi 2016).

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Small stream

The process of climate change have a significant impact on the domestic water management. The current forecast is that the surface runoff have being rearranged and the most of flood waves will be concentred in the winter and the early spring time caused of the rainfall fallen during the winter time and early snowmelt as well as at the end of summer, autumn the runoff is expected to decrease. The water resources will be decreased by the loss of precipitation volume, becoming extraordinary snow- precipitation for a longer period and the rate of growth of potential evapotranspiration. Depending on the the extent of climate change the surface runoff should be from 10 to 50% at River Danube and form 20-70% at River Tisza. (Nováky, 2005)

An another result of climate change is the increasing in the frequency of high intensity rainfall events, which increase the regional water damage events. If the precipitation volume decreases in summer time and increases in winter time, then it will be lower infiltration and more runoffs. In addition to the usual spring and autumn floods it have to be prepared for sudden, significant flood waves in the most unexpected times too.

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Flood wave at River Drava 2014

In summary, the climate change does not mean that more is expected of drought, but more wet and dry period will be evolved, more variable weather comes and thus more floods and more droughts will be expected in the future. The hazardous situations relating to the extreme floods and droughts are the major expenditure in the current budget. The supervising of the Flood Risk Management project, which is an underlying water development for a future and introduction of the Differentiated flood protection, it should try to compensate the the potential effects of climate change. The money spent on the pre-developments can be used more efficiently than the resources spent on damage control, therefore it must spend more financial expenses in the future.
 

Last modifying: 2016. november 23., szerda 09:41