Assessment of morphological and hydrological parameters of Oyun River Basin, Nigeria
نویسندگان
چکیده
منابع مشابه
technical and legal parameters for determination of river boundary,( case study haraz river)
چکیده با توسعه شهر نشینی و دخل و تصرف غیر مجاز در حریم رودخانه ها خسارات زیادی به رودخانه و محیط زیست اطراف آن وارده می شود. در حال حاضر بر اساس آئین نامه اصلاح شده بستر و حریم رودخانه ها، حریم کمی رودخانه که بلافاصله پس از بستر قرار می گیرد از 1 تا20 متر از منتهی الیه طرفین بستر رودخانه تعیین، که مقدار دقیق آن در هر بازه از رودخانه مشخص نیست. در کشورهای دیگر روشهای متفاوتی من جمله: درصد ریسک...
15 صفحه اولQuality Assessment of Edible Fish Species at Flood Basin of Omambala River, South East Nigeria
Background: Food poisoning resulting from microbial and heavy metals pollution is commonplace. These contaminants do not only reduce the nutritional value of the food but are in many cases toxic. In this study, the proximate composition, bacterial quality and some heavy metals (Cd, Pb, Hg) concentration in three common fish species (Claria gariepinus, Heterobrachus bidorsalis and Channa obscura...
متن کاملHydrological changes in the Mekong River Basin
Aalto University, P.O. Box 11000, FI-00076 Aalto www.aalto.fi Author Timo A. Räsänen Name of the doctoral dissertation Hydrological changes in the Mekong River Basin – The effects of climate variability and hydropower development Publisher School of Engineering Unit Department of Civil and Environmental Engineering Series Aalto University publication series DOCTORAL DISSERTATIONS 114/2014 Field...
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Physically based model of the hydrological cycle of a forest basin was developed. The model includes description of processes of liquid water and snow interception by forest canopy, snow accumulation and melt, vertical soil moisture transfer and evapotranspiration, overland, subsurface and channel flow. The case-study has been carried out on the basis of experimental observations on the Valday ...
متن کاملassessment of deep word knowledge in elementary and advanced iranian efl learners: a comparison of selective and productive wat tasks
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
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ژورنال
عنوان ژورنال: Ethiopian Journal of Environmental Studies and Management
سال: 2016
ISSN: 1998-0507
DOI: 10.4314/ejesm.v9i4.7