نتایج جستجو برای: tarim river

تعداد نتایج: 84301  

2015
Jie Xue Dongwei Gui Ying Zhao Jiaqiang Lei Xinlong Feng Fanjiang Zeng Jie Zhou Donglei Mao Magaly Koch

Recently, a wide range of quantitative research on the identification of environmental flow requirements (EFRs) has been conducted. However, little focus is given to EFRs to maintain multiple ecosystem services in oasis areas. The present study quantifies the EFRs in oasis areas of Tarim Basin, Xinjiang, Northwest China on the basis of three ecosystem services: (1) maintenance of riverine ecosy...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعت آب و برق (شهید عباسپور) - دانشکده مهندسی عمران 1389

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...

Journal: :Sustainability 2023

Microscopic understanding of tree xylogenesis processes and their relationships with environmental factors is important for conservation. To assess the relationship between Euphrates poplar (Populus euphratica) radial growth on short time scales, micro-core samples were collected in lower Tarim River northwest China 2020. We analyzed intra-annual variation P. euphratica its environment. Our res...

Journal: :Gaziosmanpasa Universitesi Sosyal Bilimler Arastirmalari Dergisi 2020

Journal: :Abant sosyal bilimler dergisi 2021

Bu çalışmada mevsimlik tarım işçilerinin gıda güvencesizliği durumlarının tespit edilerek, sosyo demografik değişkenlerin üzerine etkisinin belirlenmesi amaçlanmıştır.Giresun ilinde işinde çalışan 65 hane ile görüşülerek, güvencesi düzeyleri, ABD hanehalkı anket modeli (HFSSM) belirlenmiştir. Hanelerin güvence düzeyleri belirlenerek, özellikleri ve tüketim davranışları sıralı lojistik regresyon...

Journal: :Atmosphere 2022

The Kaidu River plays an important role in the water development and utilization Tarim basin northwestern China. In this study, we used a modified Budyko framework, which considered snowmelt to analyze attribute runoff change upper based on observations during period of 1960–2010. time series was divided into two periods: 1960–1995 1996–2010. contribution rate between these periods elasticity c...

Journal: :Water 2021

Accurate determination of annual leaf litter amount constitutes the basis scientific nutrient release assessment. In this study, we tried to establish an equation between and relevant tree characteristics Populus euphratica (P. euphratica) on individual scale, find content variation within 760 d incubation experiment in main channel Tarim River, China. Results showed that there was no proper he...

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