Polder Effects on Sediment‐to‐Soil Conversion: Water Table, Residual Available Water Capacity, and Salt Stress Interdependence

Radimy, Raymond Tojo; Dudoignon, P.; Hillaireau, J.M.; Deboute, Elise

doi:10.1155/2013/451710

Cited by 5 publications

(7 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The grasslands are localized on undrained fields. The grassland parcels are commonly characterized by a typical microtopography resulting of the recurrent "mud cleaning" of the peripheral ditch and deposit of the scoured muds along the ditch banks [19].…”

Section: Materials and Geological Settingmentioning

confidence: 99%

“…The chemical analyses give global and average chemical compositions characteristic of fresh water and seawater mixtures: i.e. dominant fresh water near the surface and rich seawater mixture in depth [19]. To obtain accurate vertical salinity gradients, the soil sodicity profiles were characterized by electrical conductivity ( 1 5CE ) measurements.…”

Section: Cementioning

confidence: 99%

“…Through the season, the RUr profiles shift from the initial linear theoretical RUi profile according to 1) the moisture profiles behavior and 2) the "surface" ETP and/or ETM evolutions. Consequently, for grassland or different cultivated fields, the RUr profiles may be calculated for the successive dates following two methods: 1) a "textural" method by replacing the field capacity (Wfc) by the real water content (Wn) of the soil at each depth, for the successive dates, as follows [19] In the "ETP or ETM" method, the RUr ETP and RUr ETM are also calculated as a characteristic of "surface" in mm. In these conditions, the RUr ETP and RUr ETM profiles may be represented as a simple linear RUr-depth relationship.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, in such territories, the desiccation phenomenon increases the salinity of the residual water in soil up to conditions of salt stress. Following the field locations and associated farming conditions, such desiccation profiles and associated water stress and salt stress couple act on the crop yields [19]- [24].…”

Section: Introductionmentioning

confidence: 99%

“…The present paper is based on works made on the French Atlantic coast wetlands since many years [19] [25]- [31]. Thanks to the mineralogical and textural homogeneity of the consolidated sediments, the initial works were firstly focused on the relationships which can exist between the microstructure evolution of clay matrices and the macroscopic hydro-mechanical properties of the clay dominant soils.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Evapotranspiration―Soil Structure Relationship in West Marshes of France

Radimy¹,

Dudoignon²,

Hillaireau³

et al. 2014

JWARP

View full text Add to dashboard Cite

The soil potentials, facing to the crop fields, are commonly estimated through the calculation of their available water capacity based on the ETP or ETM estimation. The present work introduces the comparison between theoretical and real available water capacity profiles calculated down to 1.00 m depth. The evapotranspiration data are used to the calculation of ETP in an undrained grassland and ETM in two drained corn fields located in the French Atlantic marshlands. The studied soils have acquired specific properties in response to the reclaiming of the clay; dominant primary sediments began since the Middle Age and late drainage works. The theoretical and real available water capacity profiles are calculated from the ETP and ETM data and from the soil moisture profiles respectively, from June to October 2013. The theoretical and real profiles are confronted to the tensiometric pressure recording at 30, 60 and 90 cm. The tensiometric pressure behavior and associated premature disconnections of the tensiometric plugs are explained thanks to the soil structure-hydromechanical property relationships: i.e. from ductile state in depth to brittle state in surface. The vertical evolutions of the real profiles are explained facing to the plant growing, pluviometry and water nape levels. Their behavior and their shifts from the linear "theoretical" ETP or ETM profiles clearly show the advance of the desiccation front and consequently the kinetics of water consumption by plants. This simple method of calculation and comparison between the real and theoretical ETM or ETP profiles allows the quantitative discussion: 1) on the role of the soil microstructure behavior on the root growing and, 2) on the realism of the crop coefficient taken into account in the ETP or ETM estimation. In these coastal marsh fields, it also argues on the difficulty of management facing to the water and/or salt stresses.

show abstract

Section: Materials and Geological Settingmentioning

confidence: 99%

Section: Cementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Evapotranspiration―Soil Structure Relationship in West Marshes of France

Radimy¹,

Dudoignon²,

Hillaireau³

et al. 2014

JWARP

View full text Add to dashboard Cite

show abstract

Effect of particle size distribution of sediments on development of polder soils in Japan

Nishikura,

Kawahigashi

2024

J Soils Sediments

View full text Add to dashboard Cite

Purpose Polder soils develop from oceanic and lacustrine sediments covered with seawater, brackish water, and freshwater after artificial drainage. Because there are several concerns regarding the agricultural use of polder soils, soil genesis and properties have been considerably surveyed, mainly focusing on problematic soils developed from fine sediments. Although sediments have a wide range of particle size distributions due to different sedimentary conditions, particle size of parent materials have not been well addressed to understand the soil developmental process. In this study, Japanese polders with different reclamation ages and sedimentary conditions were surveyed to clarify the soil formation process and factors affecting pedogenesis. Materials and methods Soil samples were collected from 15 soil profiles in six Japanese polders under different land use types. Sedimentary conditions of polders were evaluated from particle size distributions using the hydrodynamic classification proposed by Pejrup (The triangular diagram used for classification of estuarine sediments: a new approach. Tide-influenced Sediment Environ Facies, pp 289–300, 1988). The major soil-forming factors of polders were extracted by principal component analysis (PCA) using general soil properties. Results and discussion Brackish lake and inner bay polders were characterized by calm hydrodynamic conditions comprising fine particles. Two polders reclaimed from a shallow inland sea were characterized by violent hydrodynamic conditions. Sandy sediments were also characteristic of immature soils reclaimed from a freshwater lake and an estuarine tidal flat. Soils on polders developed under calm hydrodynamic conditions enabled the accumulation of high total carbon content. The soil-forming process in the brackish bay oxidized pyrite, leading to an acidic soil reaction. Conversely, soils developed from sandy sediments were characterized by low iron content. The PCA extracted two factors explained by particle size and soil reaction relating to acidification and salt leaching. Conclusion Polder soils can be mainly discriminated by their particle size distributions, which are characterized by hydrodynamics under the sedimentary conditions, and the polder soil development is affected by water management in land uses after artificial drainage.

show abstract