The red soils, their origin, properties, use and management in Greece
Special Issue. Red Mediterranean soils
Agricultural land use ; Clay mineral ; Concept ; Greece ; Irrigation ; Land use ; Mediterranean climate ; Pedogenesis ; Red soil ; Soil ; Soil properties
The objectives of this paper are to discuss concepts regarding the geographic distribution and the origin of the Greek red soils, to present basic data on their properties and to discuss their use and management.
Aeolian dust ; Arid area ; Carbonate ; Clay mineral ; Climatic variation ; Concept ; Dating ; Geochemistry ; Lateritic soil ; Mediterranean States ; Mediterranean area ; Red soil ; Soil ; Soil classification ; Soil properties ; Taxonomy
This paper shows the reality of clay illuviation in Red Mediterranean soils under present day environmental conditions, and examines the effects of time and climatic fluctuations during Holocene and Pleistocene on this soil forming process. Textural
features and fabrics existing in Red Mediterranean soils are inventoried. The problem of age determination is also addressed, through the use of radiometric dates and correlation with archaeological artifacts.
U- and Th-series disequilibria in coastal infill sediments from Praia da Rocha (Algarve Region, Portugal) : a contribution to the study of late Quaternary weathering and erosion
U- and Th-series disequilibria observed in a sequence of infill sediments from Praia da Rocha, southern Portugal, were used in combination with geochemical and particle size data to investigate sediment provenance with a view to resolving the late
Quaternary weathering and erosion history of the Algarve region, and the stratigraphy of coastal karstic exposures of the Faro/Quarteira (FQ) formation. The red infill units can be distinguished from the brown and buff units on the basis of their lower
residual U- and Th- concentrations, their differing post-depositional histories, and their greater degree of sediment processing.
Thermochronological data from Sudan in the frame of the denudational history of the Nubian Red Sea margin
Absolute dating ; Cenozoic ; Continental margin ; Egypt ; Erosion ; Escarpment ; Model ; Nubia ; Red Sea ; Regional geology ; Sudan ; Tectonics ; Thermochronology ; Vertical movement
Here, the AA. present new apatite fission-track (AFT) data from Sudan northern hinterland and Red Sea coastal areas. These data prompted a review and comparison with low-temperature thermochronological data from the whole Nubian Red Sea Margin
, and a discussion on their implication in assessing the margin evolutionary style. As to the mode of margin evolution, AFT age patterns both in Egypt and Eritrea are incompatible with a downwarp model. The distribution of apatite (U-Th)/He (AHe) ages across
In order to elucidate the taxomical position of the zonal soils of the island, three representative soil profiles of latosol, lateritic red earth and ferric latosol were selected to analyze general chemical properties, clay-mineralogical composition
and the mode of existence of iron compounds. Based on these properties correlation with the categories in the U. S. Soil Taxonomy, FAO/Unesco system and the ecological soil classification system of France are made.
India ; Paleo-environment ; Paleoclimate ; Paleosols ; Pedogenesis ; Red soil ; Semi-arid area ; Soil ; Soil property ; Tropical zone
The purpose of this study was to distinguish between recent and relict features in the red soils of South India. The most so-called alfisols in South India are paleosols formed under a much more humid climate. The results show that under present day
of spectrum : green, red and infrared were investigated. Among them red zone is the more informated infrared is on the second place, green is on the third one. In the case of using for natural objects identification of all 3 zones, probability of correct
. L'ACZ oscille du N au S sur des périodes de quelques jours| elle met en contact des masses d'air pratiquement indifférenciées| elle ressemble à la fois à la Zone Intertropicale de Convergence (ZIC) et à un phénomène de convergence sous-le-vent d'un
Distribution and nature of Red Mediterranean soils in lebanon along an altitudinal sequence
Special Issue. Red Mediterranean soils
Altitude ; Clay mineral ; Lebanon ; Mediterranean area ; Micromorphology ; Red soil ; Soil ; Soil classification ; Soil moisture ; Soil properties ; Taxonomy
In Lebanon, the Red soils have been described as Terra-Rossa, Red Mediterranean, Red Fersiallitic, Red Partly Brunified, and Xeralfs. The objectives of this study are: to study the distribution of these soils at various altitudes, and their chemical
Red-brown and meadow-gley soils of the dry regions are potentially very fertile. Rice cultivation does not induce visible changes in the mineral part of the soils. Soils on interstream areas and those in the lower parts of the slopes are shown
The Neogene red clays of the Carpathian basin in Problems of the Neogene and Quaternary in the Carpathian Basin.
Opinions differ as to whether the true red clays mostly deposited on Upper Pannonian lacustrine sediments are dated as Pliocene or early Quaternary. Biostratigraphic and lithostratigraphic data show that these non-rewashed residual deposits of red