PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses


    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

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    mail icon WUR Library, 9 july 2012

     

Record number 104572
Title De geologie, de bodemvorming en de waterstaatkundige ontwikkeling van het Land van Maas en Waal en een gedeelte van het Rijk van Nijmegen
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door Leendert Japhet Pons
Title-variation: Land van Maas en Waal en Rijk van Nijmegen
Author(s) Pons, L.J.
Publisher 's-Gravenhage : Staatsdrukkerij en Uitgeverijbedrijf
Publication year 1957
Description X, 156 p + 11 krt ill
Notes Rugtitel : Land van Maas en Waal en Rijk van Nijmegenshow all notes
Proefschrift Wageningen
Ook verschenen als handelsuitgave
Tutors Edelman, Prof. Dr. Ir. C.H.
Graduation date 1957-12-13
Dissertation no. 237
Author abstract show abstract
Geology, soil science and the history of water management were surveyed between the rivers Meuse and Waal. Two terrace-shaped sand plains, covered by loamy aeolian sands border the Nymegen ice-pushed ridge. Further west were well formed soils with manganese banks developed in unpushed High Terrace material. The fluvial Low Terrace developed as a braided river system, leaving a meandering river system just before the Allerod period.

Decalcification and soil formation under wet conditions yielded gley and pseudogley soils. The few well drained profiles developed brown soils, sometimes with textural B layers. Aeolian sands of different grain sizes blown from periglacial rivers, form cover sands and inland dunes. These richer sands formed brown podsolic soils or, with secondary blowing, podsols. Holocene alluvium was laid down in cycles of 550 years, of which the most recent ones were of Roman times and medieval.

Meuse alluvial soils are primarily non-calcareous in contrast to the Waal. The oldest ones from Roman times yielded a brown soil with a weak textural B. The younger ones developed alluvial soils with different textures, contents of lime and degrees of gleying.

Cultivation was first without dikes, Which were first round small village units in the 12th century and protected the whole area by the end of the 13th century. Similarly drainage developed from small units to greater units, which lasted until modern times when the whole area was drained in a modern way.

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Keyword(s) soil surveys / land evaluation / horizons / soil suitability / maps / reclamation / land development / hydraulic engineering / geology / netherlands / earth sciences / gelderland / land van maas en waal / rijk van nijmegen
Categories Soil Classification / Land Evaluation / Historical Geography
Publication type PhD thesis
Language Dutch; Flemish
About (Dutch) Bodemonderzoek Stiboka
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