نتایج جستجو برای: distance from river

تعداد نتایج: 5759812  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Journal: :اکو هیدرولوژی 0
محسن ذبیحی دانشجوی دکتری علوم و مهندسی آبخیزداری، باشگاه پژوهشگران جوان و نخبگان دانشگاه آزاد اسلامی واحد بجنورد حمیدرضا پورقاسمی استادیار گروه مهندسی منابع طبیعی و محیط زیست، دانشکدۀ کشاورزی، دانشگاه شیراز مرتضی بهزادفر دکتری علوم و مهندسی آبخیزداری، سازمان مدیریت و برنامه ریزی استان خراسان شمالی

nowadays, water supply for sustainable development is one of the most important concerns and challenges in most countries of the world. due to determination of groundwater potential zones are one of the important tools in the conservation, management and utilization of water resources. thus, the present study aimed to prioritize the effective factors on groundwater potential and its susceptibil...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی شیمی 1391

there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...

Journal: :پژوهش های جغرافیای انسانی 0
میثم جمالی دانشجوی دکتری ژئومورفولوژی دانشگاه آزاد اسلامی، واحد علوم تحقیقات تهران ابراهیم مقیمی استاد ژئومورفولوژی دانشگاه تهران زین العابدین جعفرپور استادیار اقلیم شناسی دانشگاه آزاد اسلامی، واحد علوم تحقیقات تهران پرویز کردوانی استاد جغرافیای طبیعی، دانشگاه آزاد اسلامی، واحد علوم تحقیقات تهران

introduction the khoshk river is originated from golestan and ghalat highlands and flow in a northwest and southeast direction. after traversing a short distance it covers golestan and dukohak from the right and the ghasr ghomshe tributary from the left. then, in a direct cross from the middle of shiraz metro police, it will divide it into half in south and east and at the end it will pour into...

Journal: :Water research 2009
Eric Money Gail P Carter Marc L Serre

Understanding surface water quality is a critical step towards protecting human health and ecological stability. Because of resource deficiencies and the large number of river miles needing assessment, there is a need for a methodology that can accurately depict river water quality where data do not exist. The objective of this research is to implement a methodology that incorporates a river me...

حبیب نژاد روشن, محمود, حیدری, ارکان, خسروی, خه بات, رسایی, آرمان, مشایخان, آرمین,

Identification of factors affecting on existing of landslide as well as its zonation in the given watershed is one of the basic tools for landslide control and selection of approach and effective solution as well. In this study landslide hazard mapping provided using previous landslide distribution and multivariate regression model in GIS environment in Aghmashhad. With reviewing previous resou...

Fang Chen Qiqun Cheng,

 An analysis of eight microsatellite loci in 90 individuals was performed to define the genetic structure and variability of three estuarine populations of Coilia mystus: 30 individuals each  collected from ChangJiang River (Yangtze River) estuary-CJ, MinJiang River estuary-MJ, and ZhuJiang River (Pearl River) estuary-ZJ. The results showed polymorphic information contents (PIC) of 0.78, 0.77, a...

Journal: :international journal of preventive medicine 0
arun kumar md. samiur rahman md. asif iqubal mohammad ali pintoo kumar niraj gautam anand

background: in the present times, arsenic poisoning contamination in the ground water has caused lots of health‑related problems in the village population residing in middle gangetic plain. in bihar, about 16 districts have been reported to be affected with arsenic poisoning. for the ground water and health assessment, simri village of buxar district was undertaken which is a flood plain region...

Fang Chen, Qiqun Cheng,

 An analysis of eight microsatellite loci in 90 individuals was performed to define the genetic structure and variability of three estuarine populations of Coilia mystus: 30 individuals each  collected from ChangJiang River (Yangtze River) estuary-CJ, MinJiang River estuary-MJ, and ZhuJiang River (Pearl River) estuary-ZJ. The results showed polymorphic information contents (PIC) of 0.7...

صیاد, احسان, طالشی, حمید, عسکرپور, محمد رضا,

In this study, the abundance and biomass of soil macrofauna were investigated in natural forests of tamarisk and Euphrates poplar in riparian forests of Maroon River in Khuzestan province. Soil macrofauna were collected using 175 sampling plots 50 meter distance from each other on 21 parallel lines with 100 meters distance from each other and perpendicular to the river. Soil macrofauna sampling...

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