2009
DOI: 10.1061/(asce)0733-9437(2009)135:2(200)
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New Paradigm for Sizing Riparian Buffers to Reduce Risks of Polluted Storm Water: Practical Synthesis

Abstract: Riparian buffers are commonly promoted to protect stream water quality. A common conceptual assumption is that buffers "intercept" and treat upland runoff. As a shift in paradigm, it is proposed instead that riparian buffers should be recognized as the parts of the landscape that most frequently generate storm runoff. Thus, water quality can be protected from contaminated storm runoff by disassociating riparian buffers from potentially polluting activities. This paper reviews and synthesizes some simple engine… Show more

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Cited by 30 publications
(17 citation statements)
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References 63 publications
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“…Lyon et al (2004) proposed using topographic indices to map A f , and this concept has been adopted by some watershed modelers who use the SCS-CN to predict VSA storm runoff (Agnew et al, 2006;Schneiderman et al, 2007;Easton et al, 2008;Walter et al, 2009;Buchanan et al, 2012). These studies generally used a version of the soil topographic index (STI) proposed for watersheds dominated by shallow restrictive layers, such as those with a fragipan or are shallow depth to bedrock Where a is the upslope contributing area, D is the soil depth above the impervious layer, K sat is the average soil permeability (or saturated hydraulic conductivity), and tanβ is the local topographic slope.…”
Section: Mapping the Predicted Runoff Producing Areasmentioning
confidence: 99%
“…Lyon et al (2004) proposed using topographic indices to map A f , and this concept has been adopted by some watershed modelers who use the SCS-CN to predict VSA storm runoff (Agnew et al, 2006;Schneiderman et al, 2007;Easton et al, 2008;Walter et al, 2009;Buchanan et al, 2012). These studies generally used a version of the soil topographic index (STI) proposed for watersheds dominated by shallow restrictive layers, such as those with a fragipan or are shallow depth to bedrock Where a is the upslope contributing area, D is the soil depth above the impervious layer, K sat is the average soil permeability (or saturated hydraulic conductivity), and tanβ is the local topographic slope.…”
Section: Mapping the Predicted Runoff Producing Areasmentioning
confidence: 99%
“…: PIONKE et al, 1996;GBUREK et al, 2000;PIONKE et al, 2000;WALTER et al, 2000;WALTER et al, 2001;GBUREK et al, 2002;HEATHWAITE et al, 2005;OCAMPO et al, 2006;SRINIVASAN & MCDOWELL, 2007). Evidenciam-se ainda as propostas de utilização das áreas saturadas como indicadores para a delimitação de buffers de preservação em bacias hidrográficas (QIU, 2003;AGNEW et al, 2006;GORSEVSKI et al, 2008;QIU, 2009;WALTER et al, 2009 Diversos estudos evidenciam a questão do manejo adequado nas áreas críticas de afluência evitando assim a contaminação dos rios e eutrofização de reservatórios devido à dispersão de fósforo (P) por meio de poluição difusa via escoamento superficial (p.ex. : GBUREK & SHARPLEY, 1998;WALTER et al, 2001;GBUREK et al, 2002).…”
Section: Curitiba Departamento De Geografia -Ufpr Issn: 2177-2738unclassified
“…De fato, tais buffers são estabelecidos de acordo com a lei visando proteger os recursos hídricos, entretanto ainda observa-se a necessidade de um maior aprofundamento na relação entre a extensão adequada da faixa de vegetação nativa a ser preservada com a preservação efetiva da funcionalidade hidrológica e ambiental dos corpos hídricos (WALTER et al, 2009). Desta forma, o estabelecimento de APPs a partir de distâncias do canal não garante a plena funcionalidade do ecossistema ripário e abrangência da zona ripária 3 .…”
Section: Introductionunclassified
“…Diversos estudos (AGNEW et al, 2006;EASTON et al, 2008, WALTER et al, 2009SIEFERT & SANTOS, 2010, SILVA, 2012SIEFERT & SANTOS, 2015) buscam descrever os mecanismos de geração de escoamento em bacias a partir de modelos hidrogeomorfológicos (i.e. TOPMODEL, SWAT-VSA, Soil Moisture Routine, GHSSA) com o objetivo de delimitar áreas com maior probabilidade de saturação hídrica, e consequentemente, áreas com maior potencial de gerar escoamento superficial e transportar sedimentos e poluentes em direção aos canais.…”
Section: Introductionunclassified