نتایج جستجو برای: physical characteristics of watershed

تعداد نتایج: 21220890  

Journal: :علوم باغبانی 0
مهدی زارعی مجید عزیزی

abstract pomegranate (punica granatum l.) is an important iranian-native fruit, and many of its varieties are cultivated. this research was conducted to evaluate some of the major physical and chemical properties of six pomegranate cultivars at ripening stage in a completely randomized design with 4 replications. the investigated traits were fruit fresh weight, fruit volume, peel thickness, pee...

Journal: :iranian journal of applied animal science 2013
m. salehi a. lavvaf t. farahvash

to investigate the characteristics of skin and leather of hairy goats according to their sex and age, 120 goat skins were selected from the western part of iran. results indicated that sex and age had significant effects on weight and area of skin and leather. moreover, sex and age had significant effects on thickness in different parts of skin except the belly. in this regard, the overall mean...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

Journal: :Water research 2007
Michele A Burford Suzanne A Johnson Andrew J Cook Timothy V Packer Bradley M Taylor E Robert Townsley

This study examined the correlations between watershed and reservoir characteristics, and water quality parameters related to algal blooms in seven subtropical reservoirs. Analysis of the dissimilarity of physico-chemical parameters resulted in separation of the reservoirs into three main groups: four reservoirs with the highest proportion of agriculture and/or urban land use in their watershed...

2012
Mark A. Hanson Brian R. Herwig Kyle D. Zimmer John Fieberg Sean R. Vaughn Robert G. Wright Jerry A. Younk

Constraints on lake communities are complex and are usually studied by using limited combinations of variables derived from measurements within or adjacent to study waters. While informative, results often provide limited insight about magnitude of simultaneous influences operating at multiple scales, such as lake- vs. watershed-scale. To formulate comparisons of such contrasting influences, we...

Journal: :Jurnal Teknologi dan Rekayasa Sumber Daya Air 2021

A process of converting rain data to runoff or discharge flow is called the transformation process. The into affected by physical characteristics watershed and its land used. Discharge in a functions as measure amount available river which useful improving management water resources. This study purpose determine results calculation located Metro DAS, Malang Regency. methods analyzed researchers...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1391

the present dissertation aims to investigate four-word lexical bundles in applied linguistics research articles by iranian and internationally-published writers. the aims of this study are two-fold: first of all, attempts have been made to create a comprehensive list of the most commonly used four-word lexical bundles categorized by their type and token frequency, their structural characteristi...

حسین شمس, , سعید محتشم‌نیا, , مجید آقامحسنی فشمی, , محمد جنگجو, , احسان شهریاری, , حسن احمدی, , حسین ارزانی, , علی اصغر درویش صفت, , محمد جعفری, ,

Range suitability and its grazing capability are the most important criteria in rangeland analysis and monitoring. Determination and monitoring of factors affecting on range suitability and diagnosis of them are important .All range ecosystem components affect range suitability. Which among them physical and vegetational factors, forage production, water resources and sensitivity to erosion wer...

2002
Kimberly E. Medley Brian W. Okey Gary W. Barrett

Specialized cash grain production, emergent in the midwestern United States during the post-WWII era, typifies the Upper Four Mile Creek watershed in southwestern Ohio. This style of agriculture intensifies cropland use, with consequent increases in soil erosion and stream sedimentation a serious problem in the lower reservoir, Acton Lake. Agricultural statistics and aerial photographs compiled...

ژورنال: علوم آب و خاک 2006
حسین شمس, , سعید محتشم‌نیا, , مجید آقامحسنی فشمی, , محمد جنگجو, , احسان شهریاری, , حسن احمدی, , حسین ارزانی, , علی اصغر درویش صفت, , محمد جعفری, ,

Range suitability and its grazing capability are the most important criteria in rangeland analysis and monitoring. Determination and monitoring of factors affecting on range suitability and diagnosis of them are important .All range ecosystem components affect range suitability. Which among them physical and vegetational factors, forage production, water resources and sensitivity to erosion wer...

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