نتایج جستجو برای: formed coastal boundaries

تعداد نتایج: 279829  

Emami, S. , Hajizadeh, M. , Saeid, T. ,

Friction stir welding was conducted on AISI 304 austenitic stainless steel sheet with dimensions of 100 mm × 100 mm × 2 mm. The FSW was performed at a welding speed of 150 mm/min and rotational speeds of 400 and 800 rpm. The results showed that high frequency of low angle grain boundaries (LAGBs) were formed through dynamic recovery in the thermo-mechanically affected zone (TMAZ). Higher amoun...

Journal: :ISPRS Int. J. Geo-Information 2014
Amaneh Jadidi Mir Abolfazl Mostafavi Yvan Bédard Kyarash Shahriari

Spatial information for coastal risk assessment is inherently uncertain. This uncertainty may be due to different spatial and temporal components of geospatial data and to their semantics. The spatial uncertainty can be expressed either quantitatively or qualitatively. Spatial uncertainty in coastal risk assessment itself arises from poor spatial representation of risk zones. Indeed, coastal ri...

2006
P. Vaattovaara P. E. Huttunen A. Laaksonen

Newly-formed nanometer-sized particles have been observed at coastal and marine environments world wide. Organic species have so far not been detected in those newly-formed nucleation mode particles. In this study, we applied the ultrafine organic tandem differential mobility analyzer method to study the possible existence of an organic fraction in recently formed coastal nucleation mode partic...

Journal: :جغرافیای سیاسی 0
عمران راستی علی اشرفی

1. introduction seas and oceans comprise over 70 percent of the planet earth always taken into attention in the history. however, the most important official and legal actions to regularize a number of claims made by coastal countries regarding the demand of the territorial and marine control and exclusive ownership date the 20th century. the first conference on marine international law was hel...

Journal: :محیط شناسی 0
رسول مهدوی نجف آبادی عضو هیات علمی و مدیر تحصیلات تکمیلی دانشگاه هرمزگان محمد قاسمی دانشجوی کارشناسی ارشد دانشگاه هرمزگان مسعود بختیاری کیا هیات علمی گروه جغرافیا دانشگاه هرمزگان ماریا محمدی زاده استادیار گروه محیط زیست دانشگاه آزاد اسلامی واحد بندرعباس

modeling areas exposed to oil pollution in the coastal city of bandar abbas using electre-i and ahp models 1-introduction persian gulf coasts, is considered if the beach oil - gas, fisheries, trading and residential. during the persian gulf coast of the role of communication and sea transportation due to the national and international trade, legal and illegal, from oil and gas activities and fi...

Emami, S. , Hajizadeh, M. , Saeid, T. ,

Friction stir welding was conducted on AISI 304 austenitic stainless steel sheet with dimensions of 100 mm × 100 mm × 2 mm. The FSW was performed at a welding speed of 150 mm/min and rotational speeds of 400 and 800 rpm. The results showed that high frequency of low angle grain boundaries (LAGBs) were formed through dynamic recovery in the thermo-mechanically affected zone (TMAZ). Higher amoun...

2018
Claudia Wolff Athanasios T Vafeidis Sanne Muis Daniel Lincke Alessio Satta Piero Lionello Jose A Jimenez Dario Conte Jochen Hinkel

We have developed a new coastal database for the Mediterranean basin that is intended for coastal impact and adaptation assessment to sea-level rise and associated hazards on a regional scale. The data structure of the database relies on a linear representation of the coast with associated spatial assessment units. Using information on coastal morphology, human settlements and administrative bo...

Journal: :international journal of mathematical modelling and computations 0
m. mizanur rahman shahjalal university of science & technology, sylhet 3114, bangladesh bangladesh department of mathematics g. chandra paul university of rajshahi, rajshahi-6205, bangladesh bangladesh department of mathematics a. hoque university of rajshahi, rajshahi-6205, bangladesh bangladesh department of mathematics

the coast of bangladesh has a specialty in terms of high bending and many off- shore islands. incorporation of the coastline and island boundaries properly in the numerical scheme is essential for accurate estimation of water levels due to surge. for that purpose a numerical scheme consisting of very fine mesh is required along the coastal belt, whereas this is unnecessary away from the coast. in...

Hossein Negarestan, Mohammad Afarin, Mohammad Ali Hamzeh,

In the present paper various transects perpendicular to Iranian Makran coasts (Chabahar-Gawater) were studied using satellite image processing, field observations, sandy shore profiling and grain size analysis to evaluate sedimentology and geomorphology of the area. Data revealed that the study area includes exposed rocky shores (52%), sandy shores (40%), and mud flats (8%) sheltered in estuari...

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