نتایج جستجو برای: داده های etm

تعداد نتایج: 520120  

2018
Huiying Zhao Xiujiao Qin Shuai Wang Xiwei Sun Bin Dong

[This corrects the article DOI: 10.3892/etm.2017.4935.].

2017
Yunzhi Chen Fang Guo Zheng Ru Hongru Kong Hongwei Sun Huajun Yu Wenjun Yang Qiyu Zhang Mengtao Zhou

[This corrects the article DOI: 10.3892/etm.2017.4999.].

ژورنال: :پژوهش های دانش زمین 0
مهناز خادمی پارسا دانشجوی دکترای پترولوژی، دانشگاه شهید بهشتی فریبرز مسعودی استاد دانشکده علوم زمین، دانشگاه شهید بهشتی

در شمال شرقی دلیجان، در زون ساختاری ایران مرکزی و کمربند ماگمایی ارومیه دختر مجموعه­ای از سنگ­های رسوبی، پیروکلاستیک، آتشفشانی و توده­های نفوذی و نیمه عمیق رخنمون دارد. جایگیری توده نفوذی در درون رسوبات آهکی و سنگ­های پیروکلاستیک سبب کانی­سازی آهن اسکارنی و آلتراسیون سنگ­های میزبان شده است. جهت بررسی آلتراسیون­ها و تعیین الگوهای شناسایی کانی­سازی آهن­های اسکارنی منطقه، دورسنجی با استفاده از روش...

2017
Chengwei Chen Qiujing Wang Xifeng Li Ziming Lu Jian He Qinrui Fang Xunchang Ke Chuanzhi Duan Tielin Li

[This corrects the article DOI: 10.3892/etm.2017.5043.].

2012
Fabio Victora Hecht Burkhard Stiller

The paradigm shift from centralized services into hundreds of thousands of decentralized services changes traffic directions and patterns in the Internet. In that light, overlay providers form logical communication topologies, which effect the underlying telcos’ as well as Internet Service Providers’ (ISP) traffic and network management. Thus, Economic Traffic Management (ETM) principles deal w...

2016
Lei Zhu Feizhou Huang Gang Deng Wanpin Nie Wei Huang Hongbo Xu Shaopeng Zheng Zhongjie Yi Tao Wan

[This retracts the article DOI: 10.3892/etm.2016.3824.].

2005
Qiming Qin Abduwasit Ghulam Dongdong Wang Lin Wang

High-resolution narrowband satellite data such as Enhanced Thematic Mapper Plus (ETM+) contain important information that enables us to map land surface albedos and interrelated phenomenon in high precision. In this paper, land cover of study area is classified into three classes as to surface features so that it is less expensive to eliminate the adjacency effect and to reduce the uncertainty ...

2008
S. A. Talke H. E. de Swart H. M. Schuttelaars

Motivated by field studies of the Ems estuary which show longitudinal gradients in bottom sediment concentration as high as O(0.01 kg/m), we develop an analytical model for estuarine residual circulation based on currents from salinity gradients, turbidity gradients, and freshwater discharge. Salinity is assumed to be vertically well mixed, while the vertical concentration profile is assumed to...

2001
P. M. Teillet J. L. Barker B. L. Markham R. R Irish G. Fedosejevs J. C. Storey

Early in its mission, the Landsat-7 spacecraft was temporarily placed in a ‘‘tandem’’ orbit very close to that of the Landsat-5 spacecraft in order to facilitate the establishment of sensor calibration continuity between the Landsat-7 Enhanced Thematic Mapper Plus (ETM+) and Landsat-5 Thematic Mapper (TM) sensors. The key period for the tandem configuration was June 1–4, 1999, during which hund...

2008
Ruiliang Pu Peng Gong Qian Yu

In this study, a comparative analysis of capabilities of three sensors for mapping forest crown closure (CC) and leaf area index (LAI) was conducted. The three sensors are Hyperspectral Imager (Hyperion) and Advanced Land Imager (ALI) onboard EO-1 satellite and Landsat-7 Enhanced Thematic Mapper Plus (ETM+). A total of 38 mixed coniferous forest CC and 38 LAI measurements were collected at Blod...

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