<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Puck Bay is an unusual and thus interesting coastal water region, as it combines two different environments – a lagoon and the sea. They differ from each other in their seabed morphology, salinity, dynamics and water exchange. Their common elements are the extensive shallows and the vicinity of the Hel Peninsula. The shallows of Puck Bay have developed at various stages of its evolution, which began several thousand years ago and continues to this day. They have been shaped by varying morphogenetic factors resulting from changes in sea level and accompanying evolution phases of sand barriers, e.g. washover fans, as well as the intensity and directions of sediment transport. At present, the shallows cover more than 35% of the seabed area and are influenced by hydrodynamic factors and availability of sediments. The study area was divided into five fields, taking into account morphological and genetic criteria as well as recent hydrodynamic conditions. This study provides an updated map with classification and distribution of surface sediments and describes grain size parameters for sediment samples collected in the selected fields. Based on a comprehensive assessment of grain size parameters, lithodynamic equilibrium zones were determined and areas of sediment deposition and redeposition were identified.</p>
</abstract>

Puck Bay is an unusual and thus interesting coastal water region, as it combines two different environments – a lagoon and the sea. They differ from each other in their seabed morphology, salinity, dynamics and water exchange. Their common elements are the extensive shallows and the vicinity of the Hel Peninsula. The shallows of Puck Bay have developed at various stages of its evolution, which began several thousand years ago and continues to this day. They have been shaped by varying morphogenetic factors resulting from changes in sea level and accompanying evolution phases of sand barriers, e.g. washover fans, as well as the intensity and directions of sediment transport. At present, the shallows cover more than 35% of the seabed area and are influenced by hydrodynamic factors and availability of sediments. The study area was divided into five fields, taking into account morphological and genetic criteria as well as recent hydrodynamic conditions. This study provides an updated map with classification and distribution of surface sediments and describes grain size parameters for sediment samples collected in the selected fields. Based on a comprehensive assessment of grain size parameters, lithodynamic equilibrium zones were determined and areas of sediment deposition and redeposition were identified.

Characteristics of morphodynamic conditions in the shallows of Puck Bay (southern Baltic Sea)

Division of Marine Geology, Faculty of Oceanography and Geography, Institute of Oceanography

Division of Marine Geophysics, Faculty of Oceanography and Geography, Institute of Oceanography

Oceanological and Hydrobiological Studies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Puck Bay is an unusual and thus interesting coastal water region, as it combines two different environments – a lagoon and the sea. They differ from each other...

Surveyed fields			Field in the C/M diagram (percentage of samples)
Surveyed fields			I	II	IV	V
I	Tip of Hel Peninsula		89	-	11	-
II	Long Shoal and Bórzyńska Shoal		13	-	87	-
III	Virgin Sands		45	11	22	22
III	Western Sands		61	-	31	8
IV	Rewa Cape	inner part	100	-	-	-
	Rewa Cape	outer part	50	10	33	7
	Seagull Sandbar		84	3	10	3
V	Delta Reda		88	12	-	-

Grain size parameters of rock debris (phi scale)	Anomalies of lithological parameters
Grain size parameters of rock debris (phi scale)	confidence interval of the mean	positive anomalies	negative anomalies
mean grain size	0	D	R
sorting	0	R	D
skewness	0	D	R
kurtosis	0	R	D

Characteristics of morphodynamic conditions in the shallows of Puck Bay (southern Baltic Sea)

Article Category: Original research paper

Publicado en línea: 05 jun 2021

Páginas: 220 - 231

Recibido: 10 sept 2020

Aceptado: 13 nov 2020

DOI: https://doi.org/10.2478/oandhs-2021-0019

Palabras clave
sediments, coastal shallows, sand barrier, grain size parameters, Puck Bay

© 2021 Ewa Szymczak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Content of samples according to the types of depositional environments (Passega & Byramjee 1969)

Anomalies of lithological parameters

Characteristics of morphodynamic conditions in the shallows of Puck Bay (southern Baltic Sea)

Article Category: Original research paper

Publicado en línea: 05 jun 2021

Páginas: 220 - 231

Recibido: 10 sept 2020

Aceptado: 13 nov 2020

DOI: https://doi.org/10.2478/oandhs-2021-0019

Palabras clavesediments, coastal shallows, sand barrier, grain size parameters, Puck Bay

© 2021 Ewa Szymczak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Content of samples according to the types of depositional environments (Passega & Byramjee 1969)

Anomalies of lithological parameters

Palabras clave
sediments, coastal shallows, sand barrier, grain size parameters, Puck Bay