The changing climatic conditions are imposing a vital re-consideration on the hydro-chemical pathways for contaminants. The circumference Mediterranean countries will be possibly under imminent water stress. The present study attempts to identify the sources and the leaching capacity of Cr(VI) in a coastal alluvial fan and aeolian soil and in a serpentine soil in an area offering an aridity analogue, like Oman. Magnetic separation and different leaching media were applied along with Cr(VI) sorption experiments in daylight (open air) and in laboratory conditions (without direct sunlight). In most of the samples the released Cr(VI) concentration was higher that the drinking water standard (50 μg L⁻¹). Magnetic soil fraction has the highest bulk Cr concentration, however, the leaching of Cr with phosphate extraction solution was high in the no-magnetic fraction. Immobilization of Cr(VI) was higher in the sunlight conditions for the serpentine soil and not for the alluvial/aeolian soils.

气候条件的变化正在重新考虑水化学路径中的污染物。地中海沿岸国家可能将面临迫在眉睫的缺水压力。本研究试图在提供干旱类似物的区域（如阿曼）中识别沿海冲积扇和风积土以及蛇形土壤中Cr（VI）的来源和溶出能力。在白天（露天）和实验室条件（无阳光直射）下，采用了磁选和不同的浸出介质以及Cr（VI）吸附实验。在大多数样品中，释放的Cr（VI）浓度高于饮用水标准品（50μgL ^-1）。磁性土壤部分具有最高的总Cr浓度，但是，在无磁性部分中，用磷酸盐萃取液浸出的Cr较高。Cr（VI）的固定在日光条件下对于蛇形土壤而不是对于冲积/风积土壤更高。