نتایج جستجو برای: لندست etm

تعداد نتایج: 3519  

2005
D.-Y. Lee

Numerical simulation of the formation of an Estuarine Turbidity Maximum (ETM) using a constant erosion rate with a stipulated condition that erosion only occurs at tidal accelerating phases was successfully implemented in a three-dimensional hydrodynamic model for the York River. Eight slackwater surveys were carried out during 2001 and 2002 to develop ground truths with measurements at 25 stat...

2013
Li Hu Jiajia Zhao Jiarong Liu Niya Gong Lili Chen

[This retracts the article DOI: 10.3892/etm.2013.887.].

Journal: :Engineering With Computers 2022

Abstract Pharmacokinetic (PK) models are used to extract physiological information from dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) sequences. Some of the most common employed in clinical practice, such as standard Tofts model (STM) or extended (ETM), do not account for passive delivery agent (CA) through diffusion. In this work, we introduce a diffusive term based on concept...

Journal: :Remote Sensing 2011
Egidio Arai Yosio Edemir Shimabukuro Gabriel Pereira Nandamudi Lankalapalli Vijaykumar

The analysis of rapid environment changes requires orbital sensors with high frequency of data acquisition to minimize cloud interference in the study of dynamic processes such as Amazon tropical deforestation. Moreover, a medium to high spatial resolution data is required due to the nature and complexity of variables involved in the process. In this paper we describe a multiresolution multitem...

2009
Tobias Hoßfeld David Hausheer Fabio Victora Hecht Frank Lehrieder Simon Oechsner Ioanna Papafili Peter Racz Sergios Soursos Dirk Staehle George D. Stamoulis Phuoc Tran-Gia Burkhard Stiller

Socio-economic aspects play an increasingly important role in the Future Internet. To enable a TripleWin situation for the involved players, i.e. the end users, the ISPs and telecommunication operators, and the service providers, a new, incentive-based concept is proposed referred to as Economic Traffic Management (ETM). It aims at reducing costs within the network while improving the Quality-o...

2013
Ahmet Yilmaz Coban

In recent studies, it was shown that blood agar can be used at least as effectively as Löwenstein-Jensen medium for growing Mycobacterium tuberculosis. It was also shown that susceptibility testing can be performed on blood agar. Additional validation of blood agar was performed on regional M. tuberculosis isolates from Turkey to determine critical concentrations of isoniazid (INH), rifampicin ...

Journal: :Remote Sensing 2014
Nischal Mishra Md. Obaidul Haque Larry Leigh David Aaron Dennis L. Helder Brian L. Markham

This study evaluates the radiometric consistency between Landsat-8 Operational Land Imager (OLI) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+) using cross calibration techniques. Two approaches are used, one based on cross calibration between the two sensors using simultaneous image pairs, acquired during an underfly event on 29–30 March 2013. The other approach is based on using time seri...

Journal: :Remote Sensing 2017
Joan-Cristian Padró Xavier Pons David Aragonés Ricardo Díaz-Delgado Diego García Javier Bustamante Lluís Pesquer Cristina Domingo-Marimon O. González-Guerrero Jordi Cristóbal Daniel Doktor Maximilian Lange

The use of Pseudoinvariant Areas (PIA) makes it possible to carry out a reasonably robust and automatic radiometric correction for long time series of remote sensing imagery, as shown in previous studies for large data sets of Landsat MSS, TM, and ETM+ imagery. In addition, they can be employed to obtain more coherence among remote sensing data from different sensors. The present work validates...

2003
Brian. L. Markham John. L. Barker Julia A. Barsi Ed Kaita Kurtis J. Thome Dennis L. Helder Frank D. Palluconi John R. Schott Pat Scaramuzza

Launched in April 1999, the Landsat-7 ETM+ instrument is in its fourth year of operation. The quality of the acquired calibrated imagery continues to be high, especially with respect to its three most important radiometric performance parameters: reflective band instrument stability to better than ±1%, reflective band absolute calibration to better than ±5%, and thermal band absolute calibratio...

ژورنال: :مجله محیط زیست و مهندسی آب 0
جمیل امان اللهی استادیار، گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه کردستان، سنندج، ایران مرضیه صالحی دانشجوی کارشناسی ارشد محیط زیست، گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه کردستان، سنندج، ایران ندا رستمیان دانشجوی کارشناسی ارشد محیط زیست، گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه کردستان، سنندج، ایران هادیه مولوی دانشجوی کارشناسی ارشد محیط زیست، گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه کردستان، سنندج، ایران شهین مفاخری دانشجوی کارشناسی ارشد محیط زیست، گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه کردستان، سنندج، ایران

در سال های اخیر سنجش از دور به صورت گسترده ای برای شناسایی تغییرات سطح رستنی های مختلف و طبقه بندی آنها به کار رفته است. موضوع افزایش سطح نیزارهای دریاچه زریوار و خطرات آن برای زندگی موجودات آبزی این دریاچه به یکی از موارد مورد بحث تبدیل شده است. در این مطالعه برای شناسایی تغییرات سطح این نیزارها بین سال های 1363 تا 1390 از تصاویر ماهواره لندست tm و etm+ استفاده شد. به این منظور نوارهای 3، 4 و ...

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