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Semi-Arid Basin

Using the IHACRES model to investigate the impacts of changing climate on streamflow in a semi-arid basin in north-central Iran

Using the IHACRES model to investigate the impacts of changing climate on streamflow in a semi-arid basin in north-central Iran

... a semi- arid basin in north-central Iran, is ...the basin under ...the basin, monthly flows associated to each return period would ...

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Connections between meteorological and hydrological droughts in a semi-arid basin of the middle Yellow River

Connections between meteorological and hydrological droughts in a semi-arid basin of the middle Yellow River

... typical semi-arid basin of the middle Yellow River (Qingjianhe River basin), annual precipitation and air temperature showed significantly downward and upward trends, respectively, with the ...

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Research Note:Determination of soil hydraulic properties using pedotransfer functions in a semi arid basin, Turkey

Research Note:Determination of soil hydraulic properties using pedotransfer functions in a semi arid basin, Turkey

... Spatial and temporal variations in soil hydraulic properties such as soil moisture q(h) and hydraulic conductivity K(q) or K(h), may affect the performance of hydrological models. Moreover, the cost of determining soil ...

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Influences of Leaf Area Index estimations on water balance modeling in a Mediterranean semi-arid basin

Influences of Leaf Area Index estimations on water balance modeling in a Mediterranean semi-arid basin

... For this purpose, several hydrological models may be used for rainfall-runoff simulations and water balance analysis: TOPMODEL (Beven and Kirkby, 1979; Sivapalan et al., 1987), THALES (Grayson et al., 1995), TOPKAPI ...

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Empirical and analytical methods to characterize the efficiency  of floods to move sediment in a small semi arid basin

Empirical and analytical methods to characterize the efficiency of floods to move sediment in a small semi arid basin

... Abstract. Over a long multi-year period, flood events can be classified according to their effectiveness in moving sed- iments. Efficiency depends both on the magnitude and fre- quency with which events occur. The ...

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Impact of climate change on the severity, duration, and frequency of drought in a semi-arid agricultural basin

Impact of climate change on the severity, duration, and frequency of drought in a semi-arid agricultural basin

... In this study, climate change impacts on the severity, duration and frequency of drought were investigated in a semiarid basin in south-west Iran. A combination of fifteen GCMs and three scenarios ...

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GIS Based Vulnerability Assessment of the Semi Arid Ecosystem to Land Degradation:  Case Study of Sokoto Rima Basin

GIS Based Vulnerability Assessment of the Semi Arid Ecosystem to Land Degradation: Case Study of Sokoto Rima Basin

... to-Rima basin as well as impact of climate change on the nature and dynamics of the basin was sought via the instrumentation of Key Informants Interview ...integrated basin management, climate change ...

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SOIL SPECTRAL PROPERTIES OF ARID REGION, KASHAN AREA, IRAN

SOIL SPECTRAL PROPERTIES OF ARID REGION, KASHAN AREA, IRAN

... This study determined some spectral characteristics and relationship between Landsat spectral reflectance and soil surface color in the arid region of Iran (Kashan). The study carried out in the kashan area that ...

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The Effect of Shelterbelts on Ecosystem Stabilization and Improvement of Local Communities Livelihood

The Effect of Shelterbelts on Ecosystem Stabilization and Improvement of Local Communities Livelihood

... in semi-arid zones. Decades ago semi-arid areas, as stated by Al-Amin (1999), were relatively free from major human influence and activities accelerate desertification ...the ...

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Green Grab by Bricolage - The Institutional Workings of Community Conservancies in Kenya

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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Effects of antecedent soil moisture on runoff modeling in small semiarid watersheds of southeastern Arizona

Effects of antecedent soil moisture on runoff modeling in small semiarid watersheds of southeastern Arizona

... in arid/semi-arid areas, the objectives of this study were: (1) to examine the sensitivity of the measured runoff to rainfall ratio to measured antecedent soil water con- tent, (2) to analyze the ...

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Viability of indigenous knowledge based strategies in mitigation of drought in Gachoka Division, Embu County-Kenya

Viability of indigenous knowledge based strategies in mitigation of drought in Gachoka Division, Embu County-Kenya

... the arid and semi-arid areas in Kenya which experience drought almost every year and techno-science based strategies are always overstretched when drought is experienced despite use of indigenous ...

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Assessing Sprinkler Irrigation Performance Using Field Evaluations at the Medjerda Lower Valley of Tunisia

Assessing Sprinkler Irrigation Performance Using Field Evaluations at the Medjerda Lower Valley of Tunisia

... Irrigation uniformity and wind drift and evaporation losses (WDEL) are major concerns for the design and management of sprinkler irrigation systems under arid or semi-arid conditions. Field trials ...

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Statistical model of daily flow in arid and semi arid regions

Statistical model of daily flow in arid and semi arid regions

... It has been introduced an approach for modeling stream flow by determination of dry /wet days based on the system transfer function. The transfer function of a system is the relationship of the system's output to its ...

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Socio-economic effect on socially-deprived communities of developing drinking water quality problems in arid and semi- arid area of central Rajasthan

Socio-economic effect on socially-deprived communities of developing drinking water quality problems in arid and semi- arid area of central Rajasthan

... Groundwater occurs almost everywhere beneath the Earth surface. It is not in a single widespread aquifer, but in thousands of local aquifer systems and compartments that have similar characters. Knowledge of the ...

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VARIETAL RESISTANCE TO SALINITY IN MAIZE M. RAl*

VARIETAL RESISTANCE TO SALINITY IN MAIZE M. RAl*

... Maize is a crop of the arid and semi-arid tracks of India. Keeping ever increasing salinity problem in view, it is worthwhile to assess the impact of saline water irri[r] ...

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Farmlands Feature Greater Woody Cover than Savannas in Semi-Arid West Africa

Farmlands Feature Greater Woody Cover than Savannas in Semi-Arid West Africa

... In arid and semi-arid Sahel, areas of more people are associated with more trees: mean woody cover is greater in farmlands (12%) than in savannas (6%), and likewise it is higher close to villages ...

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Modeling crop cultivation pattern based on virtual water trade: evidence from Marvdasht in southern Iran

Modeling crop cultivation pattern based on virtual water trade: evidence from Marvdasht in southern Iran

... in arid and semi-arid countries such as Iran where efficiency of water consumption is typically very low and farming depends mainly on irrigation and to prevent over pressure on water resources in ...

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Indigenous Knowledge and Techniques of Runoff Harvesting (Bandsar and Khooshab) in Arid and Semi Arid Regions of Iran

Indigenous Knowledge and Techniques of Runoff Harvesting (Bandsar and Khooshab) in Arid and Semi Arid Regions of Iran

... Khooshab is the other indigenous water harvesting system developed in arid southeastern regions of Iran, Sistan Va Baluchistan. It is similar to a cross-dam constructed by combination of soil and stone materials ...

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Large reservoirs: are they the last Oasis for the survival of cities in India?

Large reservoirs: are they the last Oasis for the survival of cities in India?

... Urban water demand is rapidly growing in India due to high growth in urban population and rapid indus- trialization. Meeting this growing demand is a big challenge for the urban planners in India. Incidentally, urban ...

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