Monitoring the impact of urbanisation on the Glinscica stream

Brilly, Mitja; Rusjan, Simon; Vidmar, Andrej

doi:10.1016/j.pce.2006.07.005

Cited by 40 publications

(31 citation statements)

References 14 publications

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“…1). Because of the removal of rainfall water with a sewage system in urban area the orographic water divide does not coincide with precipitation drainage area (Brilly et al, 2006). The precipitation drainage area comprises 16,85 km 2 .…”

Section: The Study Areamentioning

confidence: 99%

“…Most of the watershed is forested (48.6 %), followed by agricultural land (22.9 %) (Brilly et al, 2006). The urbanised areas represents 19.6 % of the Glinscica watershed.…”

Section: The Study Areamentioning

confidence: 99%

“…Údaje o využívaní krajiny boli získané z databázy CORINE (Heymann, 1993). Väčšia časť povodia je zalesnená (48,6 %), poľ-nohospodárska pôda zaberá 22,9 % (Brilly et al, 2006 Syntetické hyetografy sa v modelovaní hydrologických javov často používajú na určenie návrhového prietoku (maximálnych prietokov) pre zrážku s daným ča-som opakovania. Používajú sa syntetické hyetografy rôznych pravdepodobností a trvania.…”

Section: Mojca šRaj Luka Dirnbek Mitja Brillyunclassified

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The influence of effective rainfall on modeled runoff hydrograph

Šraj¹,

Dirnbek²,

Brilly³

2010

Journal of Hydrology and Hydromechanics

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Influence of the pattern of effective rainfall on modeled hydrograph was investigated in the study. The modelling was performed with the U.S. Army Corps of Engineers hydrograph package HEC-HMS 3.2 and calibrated and validated on measured hydrographs of Glinscica watershed. Six different models of rainfall loss were applied and their effect on modeled hydrograph was evaluated. Peak discharge, time of peak discharge and runoff volume were compared. The best results with the lowest RMSE in the study was obtained with the SCS curve number loss method. Also synthetic hyetographs of different probability and duration were used. Three positions of the maximum rainfall intensity at 25, 50 and 75 % of the rainfall duration were applied. The results showed essential differences in simulated time to peak and also differences in peak discharge. The differences in time to peak increases considerably with the increasing of the rainfall duration. Finally, the results of constant intensity distribution of rainfall of different durations were compared with those obtained with typical rainfall distribution with the position of the maximum intensity at 50 %. Results showed considerable differences in peak discharge and time to peak by longer durations of the rainfall. Práca obsahuje výsledky výskumu vplyvu efektívnych zrážok na modelovaný hydrograf. Odtok bol modelovaný pomocou nástroja U.S. Army Corps of Engineers hydrograph package HEC-HMS 3.2, potom kalibrovaný a verifikovaný na meraných hydrografoch povodia Glinscica.Vplyv zrážok na modelovaný hydrograf bol vypočítaný pre šesť rôznych modelov priebehu zrážok. Porovnali sme maximálne prietoky, časy ich trvania a odtečené množstvá. Najlepšie výsledky s najnižším RMSE sme získali s SCS modelom odtoku. Použili sme tiež syntetické hyetografy rozdielnej pravdepodobnosti a trvania. Použili sa tri polohy maximálnych intenzít zrážok; pre 25, 50 a 75 % ich trvania. Výsledky ukázali zásadný rozdiel v simulovaných časoch maximálneho prietoku a tiež rozdiely v maximálnych prietokoch. Rozdiely v časoch dosiahnutia maximálnych odtokov sa výrazne zvyšovali s časom trvania zrážky. Nakoniec sme porovnali výsledky výpočtov s konštantnými intenzitami rozdelenia s rôznym trvaním zrážky s tými, ktoré boli vypočítané s použitím typických rozdelení, s polohou maximálnej intenzity zrážok pri 50 % ich trvania. Výsledky ukazujú významné rozdiely v maximálnych prietokoch a v časoch ich dosiahnutia v závislosti od trvania zrážky. KĽÚČOVÉ SLOVÁ: model odtoku, časová závislosť rozdelenia intenzít zrážok, čas maximálnej intenzity zrážky, závislosť zrážka-odtok, syntetický hyetograf, HEC-HMS.

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Section: The Study Areamentioning

confidence: 99%

“…Most of the watershed is forested (48.6 %), followed by agricultural land (22.9 %) (Brilly et al, 2006). The urbanised areas represents 19.6 % of the Glinscica watershed.…”

Section: The Study Areamentioning

confidence: 99%

Section: Mojca šRaj Luka Dirnbek Mitja Brillyunclassified

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The influence of effective rainfall on modeled runoff hydrograph

Šraj¹,

Dirnbek²,

Brilly³

2010

Journal of Hydrology and Hydromechanics

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“…Impervious area development on the surface of the watershed will include the increase in peak discharge and runoff volume of the watershed (Brilly et al 2006;Pappas et al 2008). Forests caused a reduction of runoff generation and flood hazard by increasing the permeability of soil and water-holding capacity of the watershed area (Wahl et al 2005).…”

Section: Discussionmentioning

confidence: 99%

The influence of deforestation on runoff generation and soil erosion (Case study: Kasilian Watershed)

Gholami¹

2013

J. For. Sci.

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Destroying of forest lands and landuse changes have caused undesirable effects in the watershed hydrologic conditions. Landuse and vegetation are important factors in soil erosion and runoff generation. This research has been done using a runoff-rainfall model, sediment-erosion model, Geographical Information System and remote sensing to determine the hydrologic effects of deforestation on Kasilian watershed (north of Iran). A runoff-rainfall model has been presented using GIS (HEC-GeoHMS extension) and hydrologic model (HEC-HMS). The SCS method has been used for presenting the hydrologic model. It is to note that the optimized model is evaluated by other six events of floods. Then, the optimized model has been validated. Erosion potential method model has been applied in GIS environment to simulate soil erosion and sediment rate. According to the obtained results, the runoff and sediment generation potential have been increased in the Kasilian watershed due to deforestation during the last forty years.

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“…Also in that same direction, Teng et al (2011, p. 658) have ascertained that "[...] the most direct interaction between human activities and the surface water quality took place in the city and its areas surrounding the water." This is due to multiple factors, especially those linked to disorganized economic, industrial and urban development, which, combined with uncontrolled demographic growth, cause greater water consumption and contamination by populations (Almeida et al, 2007;Brilly et al, 2006). Furthermore, the relationship between water quality and the urbanization process in cities and urban centers is not a new one, and many correlations have already been established.…”

Section: At the Tip Of The Pipette Stream Waters: Or On What Researmentioning

confidence: 99%

For an ecology of scientific work: science, politics and the case of streams Pampa and Luiz Rau in Novo Hamburgo, Brazil

2015

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If, like Weber writes, every knowledge is objective in terms of evolving the interests of researchers and the agencies, in this article, we investigate that, which has been researched about two streams: Pampa and Luiz Rau. In doing so, in addition to highlighting what has caught the researchers' attention, this paper manages to point out a few gaps and fruitful fields of study which extend beyond the hard sciences. This study is, therefore, characterized as an essay review paper that sets out to use anthropology of science to think about the limitations and advances the studies about the two streams have achieved, as well as their social impact.Keywords: Pampa Stream, Luiz Rau Stream, Novo Hamburgo, Brazil, anthropology of science, environment. Por uma ecologia do trabalho científico: a ciência e a política e caso dos arroios Pampa e Luiz Rau em Novo Hamburgo, Brasil ResumoSe como escreve Weber, todo o conhecimento é objetivo na medida em que envolve interesses de pesquisadores e agências nos questionamos nesse texto sobre, quando falamos nos arroios Pampa e Luiz Rau, aquilo que têm sido pesquisado sobre esses dois arroios. Desta feita, além de colocar em evidência o que têm despertado o interesse, seu mérito reside em apontar algumas lacunas e campos profícuos de estudo que vão para além das ciências duras. Esse estudo se caracteriza, portanto, por um estudo bibliográfico e ensaístico que busca através da antropologia ciência pensar os limites e avanços que se obteve nos últimos anos nesse estudos e seu impacto social.Palavras-chave: Arroio Pampa, Arroio Luiz Rau, Novo Hamburgo/RS, antropologia da ciência, meio ambiente.

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Monitoring the impact of urbanisation on the Glinscica stream

Cited by 40 publications

References 14 publications

The influence of effective rainfall on modeled runoff hydrograph

The influence of effective rainfall on modeled runoff hydrograph

The influence of deforestation on runoff generation and soil erosion (Case study: Kasilian Watershed)

For an ecology of scientific work: science, politics and the case of streams Pampa and Luiz Rau in Novo Hamburgo, Brazil

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