Are calanco landforms similar to river basins?

Caraballo-Arias, Nathalie Almaru; Ferro, Vito

doi:10.1016/j.scitotenv.2017.06.009

Cited by 10 publications

(2 citation statements)

References 44 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…An extensive geomorphological analysis of the Adriatic hilly-piedmont area of the Central Apennines allowed researches focused on the geomorphological evolution, morphotectonic implications, and climatic characterization of badland systems, since the first half of the 1900s (Alexander, 1980;Castiglioni, 1933;Ciccacci et al, 2008;Coltorti et al, 1979;Demangeot, 1965;Farabollini et al, 1992;Magny et al, 2002;Moretti & Rodolfi, 2000;Nisio et al, 1996;Rodolfi & Frascati, 1979;Vittorini, 1971); more recent studies concentrate on morphometric analysis highlighting similarities between badlands and fluvial systems (Buccolini & Coco, 2010;Buccolini & Coco, 2013;Buccolini et al, 2012;Caraballo-Arias et al, 2015;Caraballo-Arias & Ferro, 2017;Di Stefano & Ferro, 2019;Neugirg et al, 2016;Vergari et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Geomorphology of the Anversa degli Abruzzi badlands area (Central Apennines, Italy)

et al. 2020

View full text Add to dashboard Cite

This work presents the geomorphology of the Anversa degli Abruzzi badlands (also called calanchi, a typical italian landform) area, located in the Abruzzo Region (Central Apennines, Italy). The map is the result of morphometric and geomorphological analyses, performed at the badland scale, and incorporates three main sections including orography and hydrography, main geomorphological map, and multi-temporal photogeological analysis. The aim of this work is to provide the basis for the recognition of geomorphological features linked to the fluvial environment. Specifically, the study is focused on the Anversa degli Abruzzi calanchi system and it contributes to improving the understanding of this landscape evaluating the geomorphological processes that control its morphometric features and its spatial and temporal evolution.

show abstract

Section: Introductionmentioning

confidence: 99%

Geomorphology of the Anversa degli Abruzzi badlands area (Central Apennines, Italy)

et al. 2020

View full text Add to dashboard Cite

show abstract

“…In other words, changing the soil use (from vegetated to bare) and the morphological characters of an affected area, the development of calanchi influences both the hydrological and sedimentological response and the long‐term landscape evolution. Furthermore, calanchi can be considered as ideal field laboratories for studying landscape evolution because of their geometrical similarity to larger fluvial systems (Caraballo‐Arias & Ferro, ; Coco & Buccolini, ).…”

Section: Introductionmentioning

confidence: 99%

Morphological characterization of calanchi (badland) hillslope connectivity

2017

View full text Add to dashboard Cite

Calanchi, a type of Italian badlands created by a combination of water erosion processes and local geomorphological and tectonic controls, is a striking example of long‐term landscape evolution. In small temporal/spatial scales, the calanchi exhibit many of the geomorphic processes and landforms that may be observed in fluvial landscapes; hence, they may be considered as microbasins where geomorphic dynamics and landscape features can be related. The goal of this research is testing the use of simple morphometric variables for assessing sediment connectivity of calanchi landforms. In order to detect the morphological characteristics controlling the landscape connectivity of calanchi basins, 2 areas located in Sicily (Italy) were examined. The investigated features were identified on 119 calanchi basins and mapped using orthophotographs and 2‐m‐resolution digital elevation models. Application of Hack's law to the calanchi basins showed that the width/length ratio increases with the drainage area, suggesting that calanchi may have a limited connectivity of their hillslopes to the main channel. Moreover, the analysis of the drainage network composition suggested that calanchi are sediment removal systems more efficient than river basins. The empirical frequency distribution of the travel time, which is the ratio between the length and the square root of the hillslope steepness, of each cell of the calanchi digital elevation model was established. Finally, for each calanchi basin, an index of hillslope connectivity was devised. This was explored as a function of the sediment transport efficiency itself estimated by the travel time and the corresponding sediment delivery ratio of each calanco hillslope cell.

show abstract

Evaluating the effect of the actual eroded badland area on the estimate of eroded volume in Italiancalanchi areas

Guida,

Nicosia,

Palmeri

et al. 2024

Land Degrad Dev

View full text Add to dashboard Cite

According to the available literature, the morphometric characteristics of badland basins (e.g., area of the badland drainage basin, A, and actual eroded badland area, AE) can be used for deducing an empirical model able to predict the eroded volume, V. The main aim of this investigation is to implement a model to estimate the volume of eroded sediments, which uses widely applied morphological indices. This model, deduced by applying dimensional analysis and self‐similarity theory, was calibrated and verified using the badland morphometric characteristics of five datasets (four available in the literature and one presented in this investigation). The results showed that the estimate of the eroded volume is reliable only for the data characterized by V/A values higher than a threshold (0.1 m) corresponding to the vertical resolution of the investigated digital terrain models (DTMs). For considering that the actual eroded badland area AE can be different from the respective drainage area A, as badland erosion induces a headward extension, the model for estimating the eroded volume was calibrated by differentiating between partially (AE/A < 1) and totally (AE/A = 1) eroded badland basins. The analysis highlighted that the actual eroded badland area, which is the area that more contributes to the active erosion process, remarkably influences the estimate of V, and the inclusion of the ratio AE/A in the model is useful to improve this estimate. The estimate of the eroded sediment volume from calanchi areas has a scientific and practical relevance as the high erosion rates of small badland areas can disproportionately contribute to the basin‐scale sediment budget.

show abstract

Are calanco landforms similar to river basins?

Cited by 10 publications

References 44 publications

Geomorphology of the Anversa degli Abruzzi badlands area (Central Apennines, Italy)

Geomorphology of the Anversa degli Abruzzi badlands area (Central Apennines, Italy)

Morphological characterization of calanchi (badland) hillslope connectivity

Evaluating the effect of the actual eroded badland area on the estimate of eroded volume in Italiancalanchi areas

Contact Info

Product

Resources

About