نتایج جستجو برای: zagros mountain

تعداد نتایج: 27551  

2002
Vahid Tabatabaee

He has published several papers in the communication networks field. His area of research is focused on scheduling and quality of service (QoS) provisioning techniques for high speed switch fabrics and cable modems. About Zagros Networks Zagros Networks is a fabless semiconductor company headquartered in Rockville, Maryland focused on building silicon and software solutions for next generation ...

2007
BENJAMIN F. ZAITCHIK JASON P. EVANS ROLAND A. GEERKEN RONALD B. SMITH

The Euphrates Plain (EP) experiences large interannual variability in vegetation cover, especially in areas of marginal rain-fed agriculture. Vegetation in this region is primarily limited by available soil moisture, as determined by winter precipitation, spring precipitation, and air temperature. Satellite analyses indicate that the springtime normalized difference vegetation index (NDVI) is n...

ژورنال: ژئوفیزیک ایران 2018

The Zagros collision zone is known as an active tectonic zone that represents the tectonic boundary between the Eurasian and Arabian plates. A popular strategy for gaining insight into the upper mantle processes is to examine the splitting of seismic shear waves and interpret them in terms of upper mantle anisotropy and deformation. Core phases SK(K)S from over 278 earthquakes (MW ≥ ...

Journal: :Solid Earth 2021

Abstract. Recognition of a new angular unconformity and the synthesis detrital zircon U–Pb (U–Th) / He provenance records, including double dating, from NW Zagros region elucidate basin dynamics foreland wedge-top intermontane units, as well tectonic processes in source terranes response to different geodynamic phases. In this contribution, we present field observations data hinterland basins r...

Journal: :Geosphere 2022

Abstract The Turkish-Iranian Plateau and the Zagros highlands are among most prominent physiographic features in Middle East were formed as a result of continental collision between Arabian Eurasian plates. To better understand nature lithospheric mantle origin observed seismic anomalies this region, we investigated attenuation uppermost by detailed measurements quality factor Sn phase (Sn Q). ...

2011

Quantified balanced and restored crustal cross-sections across the NW Zagros Mountains are presented in this work integrating geological and geophysical local and global datasets. The balanced crustal cross-section reproduces the surficial folding and thrusting of the thick cover succession, including the near top of the Sarvak Formation (∼ 90 Ma) that forms the top of the restored crustal cros...

2013
M. J. Nazemosadat

Introduction The Islamic Republic of Iran (Figure 1) has an area of 1,648,000 km 2 and a population of 65 million people (1995 estimate). The country has arid and semiarid climates and the occurrence of rainfall is unreliable, with a coefficient of variation as high as 70%. The average annual precipitation over the country is around 250 mm. Two mountain ridges, the Alborz and Zagros (Figure 1),...

Journal: :Science 2016
Farnaz Broushaki Mark G Thomas Vivian Link Saioa López Lucy van Dorp Karola Kirsanow Zuzana Hofmanová Yoan Diekmann Lara M Cassidy David Díez-Del-Molino Athanasios Kousathanas Christian Sell Harry K Robson Rui Martiniano Jens Blöcher Amelie Scheu Susanne Kreutzer Ruth Bollongino Dean Bobo Hossein Davudi Olivia Munoz Mathias Currat Kamyar Abdi Fereidoun Biglari Oliver E Craig Daniel G Bradley Stephen Shennan Krishna Veeramah Marjan Mashkour Daniel Wegmann Garrett Hellenthal Joachim Burger

We sequenced Early Neolithic genomes from the Zagros region of Iran (eastern Fertile Crescent), where some of the earliest evidence for farming is found, and identify a previously uncharacterized population that is neither ancestral to the first European farmers nor has contributed substantially to the ancestry of modern Europeans. These people are estimated to have separated from Early Neolith...

Journal: Geopersia 2016

Equilibrium-line altitudes (ELAs) of former glaciers in the Zardkuh Mountain of the Zagros Mountain Range were reconstructed from glacial-geologic data on former ice limits by using various methods. In the study area various types of glacial landforms such as outwash fans, moraines and well developed glacial cirques are observed. The results suggest that ELA were depressed 1433 m below to prese...

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