Surface and subsurface hydrology in arid and semi-arid regions
Exploring the relationship between land use and surface water quality using multivariate statistics in arid and semi-arid regions
... The map of the 10-digit Hydrological Units for the Iran central plateau was obtained from Watershed Management and Soil Conservation Research Center (WSRC). The surface catchments for each of the sites were ...
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Water Management in Arid and Semi Arid Regions:Interdisciplinary Perspectives
... of agricultural land is irrigated, ranging from 8.8 in Mallorca up to 33.4 per cent in Crete. In all islands water for agriculture comes mainly from groundwater sources, while only in Corsica surface water is the ...
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Indigenous Knowledge and Techniques of Runoff Harvesting (Bandsar and Khooshab) in Arid and Semi Arid Regions of Iran
... in arid and semi arid and sedimentation it is necessary to spend time and expendi- ture to maintane and thus the ancient Bandsars are too scarce (Anonymous, ...the surface soil moist and fit ...
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Assessing Sprinkler Irrigation Performance Using Field Evaluations at the Medjerda Lower Valley of Tunisia
... and semi-arid regions are characterized by an acute imbalance between rainfall and ...canals. Surface irrigation is by far the most common irrigation method in the region ...from ...
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Eco geomorphology of banded vegetation patterns in arid and semi arid regions
... Tongway and Ludwig (2001; and references therein) dis- cuss some of the theories for the formation of banded land- scapes. Some suggest that band formation is recent and due to the impact of humans in a previously ...
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Trend analysis and detection of precipitation fluctuations in arid and semi-arid regions
... seasonal rainfall changes in the central basin of Iran. They were found; in most cases, Mann– Kendall test and Sen’s slope estimator have the same performance in terms of trend determination. Annual and monthly rainfall ...
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Long Lead Flood Simulation Using Downscaled GCM Data in Arid and Semi-arid Regions: A Case Study
... employed to demonstrate the relationship between rainfall and the selected set of predictors. Finally the set of predictors has been selected for long lead rainfall simulation as based on maximum correlation with daily ...
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Statistical model of daily flow in arid and semi arid regions
... in arid regions, however they have attracted limited ...which surface water ceases to flow at some point in space and ...earth's surface and for many years, determination of the best ...
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Cross-Sectional Spatial Simulation of Groundwater Resource Aquifers in Arid and Semi-Arid Regions of Nigeria
... of surface water and also about 50 million trillion l/year of groundwater ...the arid and semi-arid regions coupled with lack of infrastructural facilities and absence of a working ...
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A Typology of Economic Instruments and Methods for Efficient Water Resources Management in Arid and Semi Arid Regions
... in arid and semi-arid regions and existing water shortages are predicted to escalate in both frequency and duration over the next century (UNEP, ...scarce surface and groundwater ...
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Climate, vegetation cover and dust storm events in arid and semi-arid regions of Australia - relationships, models and predictions
... physical surface crusts (Strong 2007) are important in stabilising the soils surface in arid and semi-arid ...soil surface resistance to wind erosion (Belnap & Gillette ...
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PHYTOREMEDIATION - A SUSTAINABLE APPROACH FOR CONTAMINANT REMEDIATION IN ARID AND SEMI-ARID REGIONS – A REVIEW
... need for a cost-effective, and an environment- friendly technology for the remediation of these contaminants. Today, environmental management can gain from a variety of approaches to remediate metal and ...
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Simulation of the catchments hydrological processes in arid, semi-arid and semi-humid areas
... a hydrology model with the following components: weather, surface runoff, return flow, percolation, evapotranspiration, transmission losses, pond and reservoir storage, crop growth and irrigation, ...
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Assessment of spatial distributions of some climate indices in Iraq
... wet regions turns out to be dry and arid areas to be drier (Ma et ...The arid and semi-arid areas involve right around 40% of the earth's property ...population arid area like ...
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Adaptation strategy to mitigate the impact of climate change on water resources in arid and semi arid regions : a case study
... basin hydrology by considering the impacts of the reservoir operational probability of failure and storage in the water resources system on a typical example reservoir, which is the Dokan multi-purpose dam located ...
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Water harvesting technologies in semi-arid and arid areas
... most semi-arid and arid ...the surface, and size of the ground where water is stored determine the amount of volume of collected water (Oweis et ...
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Estimation of Runoff Peak Flow by El-Hames Empirical Method for Ungauged Catchments: A Case Study Iranshahr
... these regions (Pilgrim et ...in arid areas; these methods, which use physical and geomorphological characteristics or statistical techniques to achieve their objectives, have been presented by Hames et ...
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Effects of antecedent soil moisture on runoff modeling in small semiarid watersheds of southeastern Arizona
... Several studies have examined the effect of antecedent soil moisture on runoff simulation in physically based mod- els (Goodrich et al., 1994; Castillo et al., 2003; Zehe and Bl¨oschl, 2004; Brocca et al., 2008; Sheikh ...
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Green Grab by Bricolage - The Institutional Workings of Community Conservancies in Kenya
... Kenya’s arid and semi-arid lands, vast rangelands are being transformed into community conservancies – common property arrangements managed for transhumance pastoralism and biodiversity ...
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Flood Flow Frequency Model Selection Using L-moment Method in Arid and Semi Arid Regions of Iran
... the arid and semi-arid countries of the world, which is mostly encountered with lack of ...in arid regions of Iran are seasonal and their flood flows may become unavailable during a ...
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