Although central Iran is pivotal for palaeoclimatic correlations, palaeoenvironmental data this region very sparse and a reliable chronology pedogenic features lacking. We therefore tried to answer the question how environmental conditions and, in particular, climate developed over time by using isotopic signatures of carbonates. present carbonates association with stable carbon oxygen isotopes...

Converting natural vegetation to other types of land utilization is presently the most common use change around world. Conversion grassland plays an important role in estimating regional nutrients budget and assessing ecological effects. However, few studies have estimated impacts conversion on soil under different pedogenic horizons. This study selected three sites, which were covered by grass...

quaternary sediments have occupied most of the agricultural and natural resources of urmia region. recognition of physicochemical and mineralogical properties of these soils is essential to optimum and stable use of these lands. in this study, eight soils profiles excavated on quaternary sediments of urmia region were investigated. the results showed that little thickness and evolution of studi...

despite of suitable geological and climatic conditions for forming and evolution of alluvial fans and importance of this landform as soil and water resources in arid regions, there are limited studies about this landform in iran. in the present study, evolution and pedogenic development of geomorphic surfaces of an alluvial fan in eastern isfahan were studied by using remote sensing, field and ...

The geographical distributions of Cd and several other heavy metals (HMs) (Hg, Cu, Ni, Pb, Zn, Cr, As, Co, V) were characterized in 90 (p > 0.05) terra rossa samples across the Anhui karst area. Significant enrichment HM was observed this soil, mainly associated with weathering Cd-enriched carbonate rocks. Then, developed 31 profiles. Our investigations revealed pedogenic processes as domina...

The stable carbon isotope composition of both soil organic matter (SOM) and pedogenic carbonate are widely used as paleoenvironmental proxies. This study utilizes δ13C analyses to reconstruct bioclimatic change from a series buried soils in the central Great Plains North America that developed between ca. 44–24 ka. Results revealed paradoxical isotopic disequilibrium bulk SOM (δ13CSOM) (δ13Ccar...

To spatially characterize the palaeolakeshore environment at archaeological kill site Schöningen 13 II-4 of Middle Pleistocene Reinsdorf sequence, in-depth palynological, geochemical, aquatic microfossil and analyses were undertaken on sediment sections with an average thickness about 15 cm, concordantly overlain by faunal remains, dominated horse, from unique ‘Spear Horizon’ layers 1995 excava...