By Jorge Guillén, Juan Acosta, Francesco Latino Chiocci, Albert Palanques
This atlas illustrates the features of present-day bedforms, from the coastline to deep-sea environments, and it is also brief studies of the most mechanisms that generate such bedforms. The atlas is aimed toward the examine neighborhood, as well as scholars, the general public at huge and firms with pursuits within the marine atmosphere. The booklet is split into seven sections composed of a couple of brief chapters: 1) bedform research and the most actual methods, 2) bedforms within the coastal sector, three) bedforms on prodeltas and taken care of bedforms, four) bedforms at the continental shelf, five) bedforms and benthos, 6) bedforms in submarine canyons and seven) slope and deep-sea bedforms. This atlas bargains a finished, even though no longer exhaustive, view of the variety of bedforms and linked tactics and of the morphological and temporal scales within the enclosed tideless western Mediterranean Sea.
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Extra info for Atlas of Bedforms in the Western Mediterranean
1 Á Bedform stability diagram Turbidity Current Bedforms Compared with the well-studied range of bedforms occurring in river systems, very little is known about the equivalent range of bedforms that are observed in turbidity current systems. g. Normark et al. 1980; Migeon et al. 2001; Zhong et al. g. Walker 1967; Skipper 1971; Mutti 1992; Postma et al. 2014; Ventra et al. 2015). B. uk G. Postma Faculty of Geosciences, Utrecht University, Utrecht, The Netherlands © Springer International Publishing Switzerland 2017 J.
2009; Sequeiros et al. 2010), it is emphasised that the bedform stability diagram presented here is based on many assumptions, and should be seen as a ﬁrst attempt to estimate the impact of differences in flow dynamics of rivers and turbidity currents on bedform formation. Although the existence of denser basal layers in turbidity currents is now becoming more widely accepted after they were directly observed from a submersible caught in a turbidity current (Sumner and Paull 2014), the morphodynamics of these basal layers still remains virtually unstudied.
2013). 2 Bedform Stability Diagram for Turbidity Currents The tendencies of turbidity currents to be supercritical and to form dense basal layers are now taken into account and introduced in a bedform stability diagram originally developed for river flows (Cartigny et al. 2014). Five examples of turbidity currents with increasing basal sediment concentrations, will now be discussed in more detail. In panel I of Fig. 1b the bedform stability diagram is drawn for a dilute, 10 m thick turbidity current without a dense basal layer.