A topographic fingerprint to distinguish alluvial fan formative processes

Volker, H.; Wasklewicz, Thad; Ellis, Michael A.

doi:10.1016/j.geomorph.2006.10.008

Cited by 53 publications

(39 citation statements)

References 36 publications

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“…Nichols 2009) még a deltákat is beleértik. Az üledéktestet felépítő folyamatok alapján törmelékkúpokat leginkább törmelékfolyások jellemzik, míg a hordalékkúpokat fluviális folyamatok (Harvey 1984, Kochel 1990, Lecce 1990, ugyanakkor köztes állapotú, tehát törmelékfolyások és időszakos vízfolyások által kialakított hordalékkúpok is megkülönböztethetők (Harvey 1990, Guzetti et al 1997, Volker et al 2007. Ez a felosztás egyeztethető a magyar felfogással (Pécsi 1959, Borsy 1989.…”

Section: Hordalékkúpok Típusai Csoportosításukunclassified

A Maros hordalékkúp fejlődéstörténeti rekonstrukciója

Sümeghy

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Section: Hordalékkúpok Típusai Csoportosításukunclassified

A Maros hordalékkúp fejlődéstörténeti rekonstrukciója

Sümeghy

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“…Material is transported to fans by debris flows or water flows which follow the main channel. (Hooke 1965), (Volker et al 2006). Many studies also emphasize on relations between sedimentary processes and morphology and on fan dynamics (Harvey 1997(Harvey , 2002.…”

Section: Geographical Location -Aim Of the Studymentioning

confidence: 99%

Comparative geomorphological observations in two groups of alluvial fans of Sperchios and Eurotas regions, Greece

2007

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“…Alluvial fan flows are two-dimensional; therefore, the application of one-dimensional flow hydraulic models on alluvial fans has the following limitations: (i) difficulties and inaccuracies in determining flow direction on floodplains; (ii) lack of flood volumes in determining the flooding boundaries, and (iii) problem with the uncertain nature of flood discharge calculation (Volker et al, 2007;Yunsheng, 2009). Marchi et al (2010) used an integrated approach to analyze the hydro-geomorphological processes and their interactions with torrent control works and applied it to a large alluvial fan in the southern Carnic Alps (northeastern Italy).…”

Section: Introductionmentioning

confidence: 99%

Enhancing flood hazard estimation methods on alluvial fans using an integrated hydraulic, geological and geomorphological approach

Mollaei

Davary

Hasheminia

et al. 2018

Nat. Hazards Earth Syst. Sci.

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Abstract. Due to the uncertainty concerning the location of flow paths on active alluvial fans, alluvial fan floods could be more dangerous than riverine floods. The United States Federal Emergency Management Agency (FEMA) used a simple stochastic model named FAN for this purpose, which has been practiced for many years. In the last decade, this model has been criticized as a consequence of development of more complex computer models. This study was conducted on three alluvial fans located in northeast and southeast Iran using a combination of the FAN model, the hydraulic portion of the FLO-2D model, and geomorphological information. Initial stages included three steps: (a) identifying the alluvial fans' landforms, (b) determining the active and inactive areas of alluvial fans, and (c) delineating 100-year flood within these selected areas. This information was used as an input in the mentioned three approaches of the (i) FLO-2D model, (ii) geomorphological method, and (iii) FAN model. Thereafter, the results of each model were obtained and geographical information system (GIS) layers were created and overlaid. Afterwards, using a scoring system, the results were evaluated and compared. The goal of this research was to introduce a simple but effective solution to estimate the flood hazards. It was concluded that the integrated method proposed in this study is superior at projecting alluvial fan flood hazards with minimum required input data, simplicity, and affordability, which are considered the primary goals of such comprehensive studies. These advantages are more highlighted in underdeveloped and developing countries, which may well lack detailed data and financially cannot support such costly projects. Furthermore, such a highly cost-effective method could be greatly advantageous and pragmatic for developed countries.

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A topographic fingerprint to distinguish alluvial fan formative processes

Cited by 53 publications

References 36 publications

A Maros hordalékkúp fejlődéstörténeti rekonstrukciója

A Maros hordalékkúp fejlődéstörténeti rekonstrukciója

Comparative geomorphological observations in two groups of alluvial fans of Sperchios and Eurotas regions, Greece

Enhancing flood hazard estimation methods on alluvial fans using an integrated hydraulic, geological and geomorphological approach

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