2012
DOI: 10.2166/hydro.2012.085
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Estimating the impacts and uncertainty of changing spatial input data resolutions on streamflow simulations in two basins

Abstract: The impact of different grid resolutions of spatial input data on modelled river runoff are investigated using the simple rainfall-runoff model KIDS (Kielstau Discharge Simulations) in PCRaster modelling language for two watersheds -Kielstau and XitaoXi. In this study, the grid-based spatial data are aggregated to coarser resolutions to support the multi-resolution, multi-calibration and multi-site analysis for grid-scale investigations. Daily streamflow is simulated and model parameters are calibrated at each… Show more

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Cited by 5 publications
(4 citation statements)
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“…The predominant soil type is yellowish red earth which accounts for 49.2% of the study area, followed by paddy soil and yellow earth which account for 21.2% and 11.5%, respectively [ 47 ]. Although the watershed is predominantly rural, land use in this watershed is diversiform, of which approximately 65% and 26.3% was covered by forest land and agriculture land, respectively.…”
Section: Methodsmentioning
confidence: 99%
“…The predominant soil type is yellowish red earth which accounts for 49.2% of the study area, followed by paddy soil and yellow earth which account for 21.2% and 11.5%, respectively [ 47 ]. Although the watershed is predominantly rural, land use in this watershed is diversiform, of which approximately 65% and 26.3% was covered by forest land and agriculture land, respectively.…”
Section: Methodsmentioning
confidence: 99%
“…Dentre as várias suscetibilidades que a população urbana está exposta, no Brasil, os desastres que mais impactam são os relacionados à seca e estiagem, às enxurradas e às inundações (UFSC, 2013). No espaço urbano, a ocorrência de inundações está ligada às condições propiciadas pelo estado natural da bacia hidrográfica (relevo, tipo de precipitação, cobertura vegetal, capacidade de drenagem, dentre outros), como também podem ser intensificados por processos de caráter antrópico, a exemplo da mudança de uso e ocupação dos solos e a impermeabilização (Tucci, 2003;Reis & Schmidt, 2017).…”
Section: Introductionunclassified
“…A influência significativa das resoluções no detalhamento e na qualidade das representações tem levado diversos estudos a analisarem os efeitos da resolução espacial sobre a acurácia dos atributos derivados de MDEs de diferentes resoluções (Florinsky et al, 2002;Zhang et al, 2012;Neuman et al, 2018). O impasse da utilização de dados de alta resolução envolve a necessidade de grande capacidade de armazenamento, tempo elevado de processamento e em certos casos a existência de informações redundantes.…”
Section: Introductionunclassified
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