نتایج جستجو برای: karstic water
تعداد نتایج: 551116 فیلتر نتایج به سال:
Abstract According to geographic possibilism, environment does not determine socio-economic development. However, the sets certain constraints and limitations for How do natural settings influence population dynamics? In this study, we examine question using example of Šibenik-Knin County, which includes Krka National Park (NP) with a GIS-based statistical approach. The following parameters rep...
Key parameters controlling the recharge and behavior of Mediterranean karsts were selected in order to make a quantitative description of northeastern Mediterranean karsts on a regional scale. The methodology was applied to an actual karstic aquifer on the Siou-Blanc Plateau (France). For the recharge study, it was observed that the average yearly rainfall value and δ18O measurements in springs...
The technique of stable hydrogen and oxygen isotope tracing has become an important means to study the mechanism water movement due its high sensitivity traceability. In this study, four dominant tree species in karst forest Maolan, Guizhou Province, were selected, their water-use strategies maintenance diversity investigated using technique. results show that: (1) regional precipitation varied...
Karst environments are characterized by peculiar hydrologic features, and in particular by a very limited, if not absent, surface hydrography. Water tends to infiltrate rapidly underground through the complex network of fractures and karstic conduits in the rock mass. However, on the occasion of concentrated rainfall, as well as in case of prolonged precipitation, such network might not be able...
Numerical modelling is an important key for the management and remediation of groundwater resources. As opposed to surface water and to highly karstic geologies, groundwater does not flow in well-identified open streams but is like water flowing in the voids of a sponge. Several field experiments show that the natural geological formations are highly heterogeneous, leading to preferential flow ...
Karstic landscape is a specific heritage, where surface and underground are part of single landscape. Where underground (caves, shafts...) played an important role in the development of surface. Landscape where natural an anthropogenic processes worked hand in hand. Caves were often treated as being separate from the outside landscape, recorded in isolation form landscape which they are part of...
Abstract Univariate and bivariate spectral analyses were applied to the study of two karstic systems in the Central Apennines (Italy). The analyses allowed the characterization of the transformations between the input rainfall and the output discharge. Although the development of the karstification is very different, the two aquifers show very similar behaviour. Both systems present very high m...
The Mediterranean freshwater resources, mostly represented by groundwater, are under increasing pressure due to natural and anthropogenic factors. In this study, we investigated possible negative effects of climate change land-use practices on water quality availability from five springs in the karstic catchments southern Croatia. used regional public supply system. Firstly, employed hydrogeoch...
The Swanscombe area of Kent, SE England represents a typical example of a heavily quarried Chalk area currently undergoing re-development. Because the Chalk is also an important aquifer, a good understanding of groundwater movement is required if environmental impacts are to be minimised and the water resource maximised. In particular, the nature of the relationship between the River Darent and...
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