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Dunes of the European Coasts

Geomorphology - Hydrology - Soils

Ed.: Th. W. Bakker; P. D. Jungerius; J. A. Klijn

1990. 223 pages, 92 figures, 19 tables, Catena ISBN 978-3-923381-23-4, US-ISBN 978-1-59326-226-6, 17x24cm, 770 g
Language: English

(Catena Supplements, Volume 18)

ISBN 978-3-510-65359-1, bound, price: 71.00 €

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Keywords

soil sciencewaterlandscapegeoecologyvegetation

Contents

Synopsis top ↑

With the integration of the European Community there is a growing awareness among scientists that landscapes which the participating countries have in common should be studied within a European framework. One of these landscapes is formed by the coastal dunes found from northernmost Norway to the extreme south of Spain. Together with other coastal areas their economic and ecological importance is great. Moreover, man-induced or natural threats, such as large-scale construction, reclamation or sea level rise, ask for continual measures based on scientific insight.
Awareness that the coastal zone merits communal concern has led to the recent foundation of two organizations: the European Union for Dune Conservation and Coastal Management (EUDC) and Eurocoast. Both are active in pooling knowledge of the coastal zone, organizing meetings, and promoting other related matters. This Supplement of CATENA should be seen as another effort to stimulate interest in one of the most striking aspects of the coastal zone: the dune landscape.
The diversity of dune landscapes is astonishing. There is probably no other type of landscape in the world which in its two main elements, land form and land cover, shows so much variation over such short distances. The spectacular variety of form elements is above all a consequence of the combination of wind and sand, with the former representing a process capable of acting independent of gravity, and the latter constituing a substrate which deforms easily. The variety of land cover is related to plant-growth conditions which change drastically over short distances depending on differences in microclimate, groundwater regime, soil type and distance from the sea. Added to this there is the diversity caused by humans who intervene in a number of ways in their efforts to adapt the landscape to their needs. These needs spring from the many functions the dunes can have for society: recreation, building, nature conservation, protection against the sea, agriculture, water extraction, etc.
Thus far, coastal dune landscapes have received little attention from the scientists who usually fill the contents of CATENA with contributions concerning “soil science, hydrology and geomorphology, focusing on geoecology and landscape evolution”. It is mostly from botanists and vegetation ecologists that we have gained some understanding of dune ecosystems. They were among the first who realized the importance of environmental stress to the development of dune-building plants, thus drawing our attention to abiotic processes active in the dune ecosystem.
The fact that few geomorphologists and pedologists have shown interest in the coastal dunes is amazing considering that dune landscapes form one of the few remaining natural regions not being located in remote and inaccessible corners of the world. Moreover, all sorts of geomorphological processes typical of widely different climates are active here at a truly exceptional speed. In this respect coastal dunes can be regarded as a genuine ‘field laboratory’. The study of soil formation in dunes is much neglected even though pedological processes here are far more natural than are those found in agricultural regions with their man-made surface horizons. Those active in the dunes have noticed to their satisfaction that their studies are highly appre- dated by the managers of dune terrains, owing to the relevance that their findings have to nature conservation and other dune functions.
Coastal dunes have scientific value to soil scientists, hydrologists and geomorphologists in at least two respects. First of all, there is a great need for a better understanding of the abiotic part of the ecosystems as a complement to the ecological research of biologists. Such studies should be carried out at three levels: those of individual plants (autecology), the entire vegetation complex (vegetation ecology), and the landscape (landscape ecology). Each of these levels requires an appropriate scale of approach. It is only by studying the biotic-abiotic relationships at these three levels that the functioning of the dune ecosystem will eventually be understood.
Secondly, coastal dunes deserve scientific attention from a disciplinary point of view. Few environments are more dynamic in terms of geomorphological, pedological and hydrological processes. For the geomorphologists there are processes not only of wind action but also of water erosion to be studied. Those interested in the genesis of landscapes, find opportunities to match their conclusions with the information provided by other disciplines like palynology, archaeology and historical geography. Pedologists can study processes like the formation of organic soil profiles and the beginning of podzolization. Hydrologists encounter important problems which are incompatible with accepted hydrological models, e.g. water repellency and other small-scale matters such as water quality as affected by micro-geomorphological patterns. All of them find a wide variety of conditions at different spatial or time levels.

Table of Contents top ↑

Editorial
European coastal dunes from the bird’s eye
J.A. Klijn
Dune forming factors in a geographical context 1
E.C.F. Bird
Classification of European dune coasts 15
Regional studies in geomorphology
R.K. Borowka
Coastal dunes in Poland 25
R.W.G. Carter
The geomorphology of coastal dunes in Ireland 31
M. Robertson-Rintoul & W. Ritchie
The geomorphology of coastal sand dunes in Scotland: a
review 41
H. Tsoar
Trends in the development of sand dunes along the southeastern
Mediterranean coast 51
Dating of dune systems
Ch. Christiansen, K. Dalsgaard, J.T. Møller & D. Bowman
Coastal dunes in Denmark; chronology in relation to sea level 61
R. Wilson
Coastal dune chronology in the north of Ireland 71
M.J. Tooley
The chronology of coastal dune development in the United Kingdom 81
J.A. Klijn
The younger dunes in The Netherlands; chronology and causation 89
C. Bressolier, J.-M. Froidefond & Y.-F. Thomas
Chronology of coastal dunes in the south-west of France 101
Geohydrology
T.W.M. Bakker
The geohydrology of coastal dunes 109
R.J. Stuyfzand
Hydrochemical facies analysis of coastal dunes and adjacent low lands:
The Netherlands as an example 121
T.W.M. Bakker & R.R. Nienhuis
Geohydrology of Les Dunes de Mont Saint Frieux, Boulonnais, France 133
M.R. Llamas
Geohydrology of the eolian sands of the Donana National Park (Spain)
145
Aspects of dune soils
R.D. Jungerius
The characteristics of dune soils 155
H.J. Mücher
Micromorphology of dune sands and soils 163
L.W. Dekker & P.D. Jungerius
Water repellency in the dunes with special reference to
the Netherlands 173
Erosion and stabilization
P.D. Jungerius & L.W. Dekker
Water erosion in the dunes 185
J.L.A. Pluis & B. De Winder
Natural stabilization 195
Future developments
F. van der Meulen
European dunes: consequences of climate change and sealevel rise 209
Epilogue
Appendix