Abstract
ABSTRACTDetailed maps are important components of fluvial-geomorphological research, connecting several tools, namely field mapping of presented channel and floodplain forms and the assessment of fluvial processes and hydromorphological conditions of current river management. In this paper, we propose a universal map legend for the complex mapping of small stream channels in a detailed scale, which means including both the channel and adjacent floodplain segments. With the help of the symbology we are able to demonstrate both fluvial forms (i.e. individual features, grain size of bed sediments and fluvial deposits) and fluvial processes (i.e. contemporary trends in channels, character of lateral sediment inputs and flow characteristics) in a single map. In total, nearly 150 symbols were proposed and created as a combination of TrueType font and ArcGIS Style files. However, the principle can be used in various software. The work is accompanied by three map examples from the Nízký Jeseník Mts (the Stará Voda Stream) and the Moravskoslezské Beskydy Mts (the Lubina and Bystrý Streams).
Highlights
Fluvial geomorphology is a science investigating c omplex behaviour of river channels at spatial scales from individual cross-sections to entire basins (Newson & Sear, 1998)
We propose a universal map legend for the complex mapping of small stream channels in a detailed scale, which means including both the channel and adjacent floodplain segments
This science contributes to the practical issues of river management and traditional engineering perception of streams and rivers by complex temporal and spatial assessment of fluvial forms and related processes (Dollar, 2002)
Summary
Fluvial geomorphology is a science investigating c omplex behaviour of river channels at spatial scales from individual cross-sections to entire basins (Newson & Sear, 1998). This science contributes to the practical issues of river management and traditional engineering perception of streams and rivers by complex temporal and spatial assessment of fluvial forms and related processes (Dollar, 2002). Common technical plans of river restorations usually only include ‘forms’ (i.e. individual spatial units) in channels and adjacent floodplain area, the information on participating fluvial processes is necessary for successful execution of restoration projects (Dufour & Piégay, 2009). The grain-size parameters of bed sediments or deposited material, which belong to the basic characteristics of fluvial systems included in thematic maps, can be quantified by random pebble counts (Wolman, 1954), visual estimations of main grain-size populations (Buffington & Montgomery, 1999) or software processing of images (Graham, Rice, & Reid, 2005)
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