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Semiarid karst landscapes represent an important ecosystem surrounding the Mediterranean Basin for which little is known on runoff generation. Knowledge of the sources and patterns of variation in infiltration–runoff processes and their controls is important for understanding and modelling the hydrological functions of such ecosystems. The objectives of this paper are to determine the infiltration...
Vegetation and rock fragments have a profound impact on runoff generation in the dolines of the Sierra de Gádor, southeastern Spain. This study investigated the effect of vegetation and rock fragments on unsaturated hydraulic conductivity [K(h)] in three limestone dolines and examined whether variation in K(h) was consistent with differences in runoff from simulated rainfall. Tension infiltrometers...
Rock fragments (RFs) at the soil surface have great effects on the intensity of various hydrologic and geomorphic processes. However, little information is available on the spatial distribution of rock fragments (RF) in the dolines, which may be of importance in understanding overland flow and subsequent recharge in limestone karst landscapes. This study analysed spatial variability of RF cover and...
Rock fragments are a common occurrence in many arid and semiarid areas and can act as an effective dust trap. In the previous studies, dust accumulation on rock fragment substrata was investigated in a single stone layer, with stones of an identical size. The objective of the present study was to explore the effect of the number and the textural composition of pebble layers on aeolian dust accumulation...
Rainfall interception by surface rock fragments may be an important component of the water balance of the stone mulched fields. However, interception loss by rock fragment layer receive only slight attention and field studies under natural rainfall are still scarce. A field study was conducted to investigate the effects of pebble size and cover percentage on interception during naturally occurring...
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