نتایج جستجو برای: groundwater drought
تعداد نتایج: 58751 فیلتر نتایج به سال:
The Nebraska Sand Hills (NSH) lies in the western part of Nebraska, United States. We chose north-eastern, central, and parts NSH with distinct climate, topography, hydrology. study assesses response hundreds shallow groundwater-fed lakes to drought. Total lake area (TLA), determined by classifying Landsat satellite images from 1984 2018, was juxtaposed published Palmer Drought Severity Index (...
The 10-year drought event from 2007 to 2017 caused a completely different behavior of groundwater of the Ilam-Sarvak karstic aquifers in northern Khuzestan in two regions Izeh (with a drop of about 120 meters) and Lali (with a drop of about 20 meters). In this paper, the drawdown in the Izeh karstic aquifers and the reduction of discharge of karstic wells are compared to the Lali aquifer based ...
The main aim of flood water spreading in Iran is to recharge groundwater. Understanding the effect and efficiency of such projects is one of the most important activities in managing and implementing water spreading. The purpose of this study was to investigate the effects of water spreading on groundwater resources in Kohdasht plain. Data and information required including precipitation rate, ...
We examine the evidence for climate-change impacts on groundwater levels provided by studies of the historical observational record, and future climate-change impact modelling. To date no evidence has been found for systematic changes in groundwater drought frequency or intensity in the UK, but some evidence of multi-annual to decadal coherence of groundwater levels and large-scale climate indi...
In this study, the quality of groundwater aquifer of Gavkhooni basin was investigated in agriculture. For this purpose, water quality data related to 96 wells prepared by Isfahan Regional Water Authority during the statistical period 2015-2016 were used. In this study, sodium parameters, electrical conductivity, chloride, hydrogen bicarbonate and sodium absorption ratio (SAR) were used. Then, g...
yazd province is one of the most arid regions of iran and its agriculture particularly pistachio cultivation depends on groundwater resources. in the recent decades, natural factors (drought and severe evaporation) and human activities (over- exploitation of groundwater) caused a sharp decline in the quality and quantity of groundwater in this province. in the present study, the spatial and tem...
Abstract Drought and water scarcity can significantly impair the sustainable development of groundwater resources, a scenario commonly found in aquifers Mediterranean region. Water management measures to address these drivers depletion are highly relevant, especially considering increasing severity droughts under climate change. This study evaluates potential managed aquifer recharge (MAR) offs...
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