نتایج جستجو برای: estimation of evapo

تعداد نتایج: 21190380  

Journal: :Agronomy 2023

Cotton is a precious commodity that offers raw material to the textile industry. This crop grown in tropical and sub-tropical regions of world. Abiotic stresses exerts negative impact on cotton production, but water scarcity has worst impact. It rising due current situation, which global warming producing decrease precipitation while an increase evapo-transpiration causing agricultural drought....

Journal: :Geoscientific instrumentation, methods and data systems 2022

Abstract. Soil evaporation concerns water and our life support sources, which are important for agriculture or climate change prediction science. A simple instrument based on the nonsteady-state (NSS) technique soil measurement appears suitable. However, because NSS chamber is highly invasive, special care should be provided to correct wind speed influence process. a complex process that involv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1390

تخمین دقیق مشخصات کانال در سیستم های مخابراتی یک امر مهم محسوب می گردد. این امر به ویژه در کانال های بیسیم با ‏خاصیت فرکانس گزینی و زمان گزینی شدید، چالش بزرگی است. مقالات متعدد پر از روش های مبتکرانه ای برای طراحی و آنالیز ‏الگوریتم های تخمین کانال است که بیشتر آنها از روش های خاصی استفاده می کنند که یا دارای عملکرد خوب با پیچیدگی ‏محاسباتی بالا هستند و یا با عملکرد نه چندان خوب پیچیدگی پایینی...

Journal: :Geospatial health 2006
Azeb Tadesse Argaw E J Shannon Abraham Assefa Fekade Silassie Mikru Berhane Kidane Mariam John B Malone

Geospatial methods were used to study the associations of the environmental thermal-hydrological regime with leprosy prevalence in the Oromia and Amhara regions of Ethiopia. Prediction models were developed that indicated leprosy prevalence was related to: (i) long-term normal climate grid data on temperature and moisture balance (rain/potential evapo-transpiration); (ii) satellite surveillance...

2017
E. E. Stüeken E. J. Bellefroid A. Prave D. Asael N. J. Planavsky T. W. Lyons

doi: 10.7185/geochemlet.1725 The Poll a’Mhuilt Member of the Stoer Group (Torridonian Supergroup) in Scotland has been heralded as a rare window into the ecology of Mesoproterozoic terrestrial environments. Its unusually high molybdenum concentrations and large sulphur isotope fractionations have been used as evidence to suggest that lakes 1.2 billion years ago were better oxygenated and enrich...

Journal: :زمین شناسی مهندسی 0

the andeka earthquake of 25/09/2002 (mw = 5.6) shocked the northeast region of the city of masjed-soleyman in zagros folded belt. the event caused no life loss but 4 people were reported to be injured. the quake occurred in the southern parts of the zagros belt in an oil-rich area. no damage could be observed in the masjed-soleyman dam site, which is the most important hydroelectric infrastruct...

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