Abstract
ABSTRACTIn the present study, groundwater-level monitoring has been carried out on 26 observation dug wells in the Aosta Valley region, Italy, during the dry season (June 2013) and wet season (November 2013) in order to assess the water-level fluctuation (WLF). The depth to water level varied from 3.04 to 28.70 metres below ground level (mbgl) in the dry season and from 2.92 to 25.62 mbgl in the wet season. The WLF of the study area varied from 0.01 to 6.80 mbgl, and the western and north-western regions of the study area showed higher WFL. The WLF map was validated with a statistical analysis and elevation value of the area in a geographic information system environment, and this indicated that validation can be accepted for the WLF in the Aosta Valley. The results of the study demonstrated that the eastern region could be considered as a safe and good recharge zone for the groundwater in the Aosta Valley region. The WLF map generated in this study could also be used for the management of future groundwater resources and environmental planning of the area.
Highlights
Water is an essential natural resource for sustaining life and the environment which we have always considered to be available in abundance and a free gift of nature
The water-level fluctuation (WLF) map was validated with a statistical analysis and elevation value of the area in a geographic information system environment, and this indicated that validation can be accepted for the WLF in the Aosta Valley
The lower (
Summary
Water is an essential natural resource for sustaining life and the environment which we have always considered to be available in abundance and a free gift of nature. It is an essential ingredient of animal and plant life. Water is a human need and a precious national asset. The remaining 2% is locked in polar ice caps and only 1% is available as fresh water in rivers, lakes, streams, reservoirs and groundwater, suitable for human consumption. The global water demand is highly influenced by population growth, urbanization, food and energy security policies, and macro-economic processes such as trade globalization and changing consumption patterns (WWAP 2015). The strong income growth and rising living standards of a growing middle class have led to sharp increases in water use, which can be unsustainable, especially where supplies are vulnerable or scarce and where its use, distribution, price, consumption and management are poorly managed or regulated (WWAP 2015)
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