Comparison of littoral and deep water sampling methods for assessing macroinvertebrate assemblages along the longitudinal profile of a very large river (the Danube River, Europe)

2019 ◽  
Vol 35 (7) ◽  
pp. 989-998
Author(s):  
József Szekeres ◽  
Péter Borza ◽  
Béla Csányi ◽  
Wolfram Graf ◽  
Thomas Huber ◽  
...  
Keyword(s):  
Deep Water ◽  
Sampling Methods ◽  
Large River ◽  
Danube River ◽  
Longitudinal Profile ◽  
Water Sampling ◽  
Macroinvertebrate Assemblages ◽  
The Danube River

A suburban inter-dike river reach of a large river: Modern morphological and sedimentary changes (the Bratislava reach of the Danube River, Slovakia)

Geomorphology ◽  
2010 ◽  
Vol 117 (3-4) ◽  
pp. 298-308 ◽  
Author(s):  
Milan Lehotský ◽  
Ján Novotný ◽  
Jacek B. Szmańda ◽  
Anna Grešková
Keyword(s):  
Large River ◽  
Danube River ◽  
The Danube River ◽  
River Reach

scholarly journals Developments in water quality monitoring and management in large river catchments using the Danube River as an example

2016 ◽  
Vol 64 ◽  
pp. 141-154 ◽  
Author(s):  
Deborah V. Chapman ◽  
Chris Bradley ◽  
Gretchen M. Gettel ◽  
István Gábor Hatvani ◽  
Thomas Hein ◽  
...  
Keyword(s):  
Water Quality ◽  
Water Quality Monitoring ◽  
Large River ◽  
Danube River ◽  
Quality Monitoring ◽  
The Danube River ◽  
River Catchments

scholarly journals Image-Based Bed Material Mapping of a Large River

Water ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 916
Author(s):  
Alexander A. Ermilov ◽  
Sándor Baranya ◽  
Gergely T. Török
Keyword(s):  
Sampling Methods ◽  
Surface Composition ◽  
Large River ◽  
Danube River ◽  
Size Distributions ◽  
Analysis Method ◽  
Fluvial Systems ◽  
Grain Size Distributions ◽  
Material Grain Size ◽  
Bed Material

The composition or bed material plays a crucial role in the physical hydromorphological processes of fluvial systems. However, conventional bed material sampling methods provide only pointwise information, which can be inadequate when investigating large rivers of inhomogeneous bed material characteristics. In this study, novel, image-based approaches are implemented to gain areal information of the bed surface composition using two different techniques: monocular and stereo computer vision. Using underwater videos, captured in shorter reaches of the Hungarian Danube River, a comparison of the bed material grain size distributions from conventional physical samplings and the ones reconstructed from the images is carried out. Moreover, an attempt is made to quantify bed surface roughness, using the so-called Structure from Motion image analysis method. Practical aspects of the applicability of image-based bed material mapping are discussed and future improvements towards an automatized mapping methodology are outlined.

scholarly journals Offshore distribution of invasive gobies (Pisces: Gobiidae) along the longitudinal profile of the Danube River

2015 ◽  
Vol 187 (2) ◽  
pp. 127-133 ◽  
Author(s):  
Z. Szalóky ◽  
V. Bammer ◽  
Á I. György ◽  
L. Pehlivanov ◽  
M. Schabuss ◽  
...  
Keyword(s):  
Danube River ◽  
Longitudinal Profile ◽  
The Danube River

Mollusks of the Genus Corbicula in the Ukrainian Section of the Danube River

2011 ◽  
Vol 47 (3) ◽  
pp. 39-47 ◽  
Author(s):  
V. V. Makovskiy ◽  
A. V. Lyashenko
Keyword(s):  
Danube River ◽  
The Danube River
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