Showing 61 - 80 results of 98 for search '"OLiS"', query time: 0.04s Refine Results
  1. 61

    The impact of temporary occupation and hostilities on the water conditions of the North Crimean and Kakhovka Main Canals by K. Borovyk, S. Gapon, I. Pyshnograiev

    Published 2024-12-01
    “…The study utilised satellite imagery from Landsat 8 OLI/TIRS L2 (2013-2015) and Sentinel-2 L1C (2016-2024). …”
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  2. 62

    Adult L1 users’ attitudes towards their proficiency in written Estonian as evidence of deep-rooted language ideologies by Kristel Algvere

    Published 2025-02-01
    “…Andmeid koguti 668 osalejalt, kelle keskmine vanus oli 48 aastat, kellest 89% olid naised ja 71% kõrgharidusega. …”
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  3. 63

    Assessing spatiotemporal trends of riverbank erosion using a GIS-DSAS-based integrated approach by Jahid Hasan, Md. Alif Uz Zaman, Mst Ilme Faridatul

    Published 2025-01-01
    “…We used the USGS’s cloud-free Landsat 4–5 TM and Landsat 8 OLI satellite data, with analyses performed using ENVI 5.1 and ArcGIS 10.8. …”
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  4. 64

    Análise de mudanças na cobertura vegetal do Pará utilizando o Google Earth Engine by Laízy de Santana Azevedo, Evely Ferreira do Nascimento, Leonardo Carlos Barbosa, Willian dos Santos Ferreira, José Rubens Scatimburgo Silva, Karoline Borges

    Published 2021-03-01
    “…Foram utilizadas imagens do satélite Landsat-5/TM e Landsat-8/OLI-TIRS. Os resultados mostraram uma redução significativa na cobertura vegetal entre 1989 e 2019 principalmente na região leste do Estado. …”
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  5. 65

    Land Use Change Detection Between Tarsus - Karataş in Lower Seyhan Plain with Spectral Angle Mapper Technique by Mamadou Traore, Senem Tekin, Tolga Çan

    Published 2020-07-01
    “…Landsat-5TM 1985, Landsat-5TM 2000 and Landsat-8 OLI 2019 satellite images with a spatial resolution of 30 m were used in the analyzes. …”
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  6. 66

    Quantifying urbanization-induced dynamics of urban sprawl using spatial metrics method in Adama City, Ethiopia by Shimelis Sishah Dagne, Hurgesa Hundera Hirpha, Addisu Teshome Tekoye, Zenebe Reta Roba, Mitiku Badasa Moisa

    Published 2025-12-01
    “…Time series Landsat TM, ETM+, and OLI/TIRS datasets were utilized to prepare LULC maps of the study area for the years 1992, 2002, 2012, and 2022 using supervised classification technique. …”
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  7. 67
  8. 68

    تحلیل زمانی _ مکانی جزیرۀ حرارتی شهر ارومیه با استفاده از سنجش از دور و سیستم اطلاعات جغرافیایی by ساجده مرادی, محمد حسین رضایی مقدم

    Published 2020-08-01
    “…جهت استحصال نقشه‌های جزیرۀ حرارتی، دمای سطح زمین با روش حد آستانۀ NDVI و قانون پلانک بر اساس محاسبات آرتیس‌ و کارناهان برای تصاویر TM و الگوریتم پنجرۀ مجزا برای تصویر OLI/TIRS محاسبه شد. با استفاده از تصاویر NDVI و نقشه‌های کاربری اراضی، ارتباط دمای سطحی با پوشش گیاهی و کاربری‌های مختلف مورد بررسی قرار گرفت. …”
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  9. 69

    Longterm temporal analysis of vegetation cover and soil use on Ilha de Mosqueiro, Belém, Pará, Amazonian Brazil by Larissa de Carvalho Lima, Alberto Bentes Brasil Neto, Cassio Rafael Costa dos Santos, Aline Nascimento Braga, Suany Couto Teixeira Nunes

    Published 2017-12-01
    “…These comprised of Landsat 5 Satellite, Sensor TM, images for the years 1984, 1996 and 2008, and 2014 images from the Landsat Satellite 8, OLI sensor. These images were processed so as to classify and determine the area occupied by the following classes: dense vegetation, secondary vegetation, low growth, exposed soil, urban area and other. …”
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  10. 70

    Automation of image processing through ML algorithms of GRASS GIS using embedded Scikit-Learn library of Python by Polina Lemenkova

    Published 2025-06-01
    “…The data are obtained from the United States Geological Survey (USGS) and include the Landsat 8 Operational Land Imager/Thermal Infrared Sensor (OLI/TIRS) multispectral satellite images. The images were collectedon 2013 and 2023 to evaluate land cover categories in each of the year. …”
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  11. 71

    Determination of Fire Damage and Fire Susceptible Areas Using Remote Sensing and Geographic Information Systems: A Case Study Aydıncık (Mersin) District, Türkiye by Fatih Ocak, Feride Cesur, Amira İsmail Aden, Sevim Keklik

    Published 2024-07-01
    “…In the first part of the study, NDVI (Normalized Difference Vegetation Index), NBR (Normalized Burn Ratio) and dNBR (Differenced Normalized Burn Ratio) indices were calculated using Landsat 8 OLI/TIRS satellite images to determine the difference between before and after the fire with Remote Sensing (RS) techniques. …”
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  12. 72

    بررسی ارتباط آلاینده‌های هوا با شاخص‌های سنجش‌ازدور (NDVI،NDBI، LST و ATI) در شهر تهران by سیده زینب شگرخدایی, امان اله فتح نیا, سیروس هاشمی دره بادامی

    Published 2023-09-01
    “…شاخص‌های مورداستفاده در این مطالعه شامل: دمای سطح زمین (LST)، شاخص نرمال شده تفاضلی پوشش گیاهی (NDVI)، اینرسی حرارتی ظاهری (ATI) و شاخص تفاضلی نرمال شده مناطق ساخته شده (NDBI) استخراج شده از داده‌های تصاویر سنجنده OLI و مودیس، همچنین پارامترهای آلاینده هوا شامل CO،  NO2و SO2 طی ماه‌های آگوست، جولای و آوریل سال 2017 است. …”
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  13. 73

    Assessment of soil erosion and sediment yield in response to land use and land cover changes using geospatial techniques in Dumuga Watershed, Ethiopia by Zenebe Reta Roba, Mitiku Badasa Moisa, Sanju Purohit, Kiros Tsegay Deribew, Dessalegn Obsi Gemeda

    Published 2025-12-01
    “…Utilising a time series of Landsat data (TM, ETM+, OLI/TIRS), the study analyzes key factors influencing erosion, including rainfall erosivity, soil erodibility, slope steepness, cover management, and conservation practice. …”
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  14. 74

    Identification of Spectrally Similar Materials From Multispectral Imagery Based on Condition Number of Matrix by Maozhi Wang, Shu-Hua Chen, Jun Feng, Wenxi Xu, Daming Wang

    Published 2025-01-01
    “…The results for a case study to identify water, ice, snow, shadow, and other materials from Landsat 8 OLI data indicate that SF-CNM can identify the materials specified by the given samples successfully and accurately and that SF-CNM significantly outperforms those of spectral angle mapper algorithm, Mahalanobis classifier, maximum likelihood, and artificial neural network, and produces the performance similar to, even slightly better than that of support vector machine.…”
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  15. 75

    ارزیابی تغییرات فضایی- زمانی شکل شهرهای ساحلی استان خوزستان با به کارگیری سنجه‌های سیمای سرزمین by سکینه فجر, مریم ایلانلو

    Published 2019-09-01
    “…برای استخراج نقشة پوشش اراضی داده‌ها از طریق تصاویر ماهواره‌ای حاصل از ماهوارة لندست متعلق به دوسال 2018 و 1998 که توسط سنجنده‌های OLI و MSS5 برداشت شده است، تصاویر در چهار طبقة اصلی مسکونی (شهر)، مناطق دارای پوشش گیاهی، زمین‌های مرطوب (رودخانه) و بایر دسته‌بندی شدند. …”
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  16. 76

    Spatial Differentiation in Urban Thermal Environment Pattern from the Perspective of the Local Climate Zoning System: A Case Study of Zhengzhou City, China by Jinghu Pan, Bo Yu, Yuntian Zhi

    Published 2025-01-01
    “…In order to assess the spatial and temporal characteristics of the urban thermal environment in Zhengzhou City to supplement climate adaptation design work, based on the Landsat 8–9 OLI/TIRS C2 L2 data for 12 periods from 2019–2023, combined with the lLocal climate zone (LCZ) classification of the urban subsurface classification, in this study, we used the statistical mono-window (SMW) algorithm to invert the land surface temperature (LST) and to classify the urban heat island (UHI) effect, to analyze the differences in the spatial distribution of thermal environments in urban areas and the aggregation characteristics, and to explore the influence of LCZ landscape distribution pattern on surface temperature. …”
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  17. 77

    ارزیابی و شبیه‌سازی تغییرات کاربری اراضی با استفاده از طبقه‌بندی شی گرا و مدل زنجیره مارکوف (مورد مطالعه: شهر بیرجند و پیرامون آن)... by سعید حسین آبادی, ابراهیم اکبری, افسانه نقدبیشی

    Published 2020-05-01
    “…در این نوشتار با استفاده از تصاویر ماهواره‌ای لندست، سنجنده ETM و OLI و روش طبقه‌بندی شی‌گرا به طبقه‌بندی کاربری‌ها در بازه زمانی پرداخته­‌شده­است. …”
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  18. 78

    Modeling of soil salinity in Rheris Oasis (Southeastern of Morocco) using satellite spectral indices by Ait Lahssaine Ismail, Kabiri Lahcen, Messaoudi Badre, El Hafyani Mohammed, Essafraoui Badre, Kadiri Abdelhakim, El Ouali Mohamed, Canas Kurz Edgardo, Hellriegel Ulrich, Kretzschmar Helen Alice, Hoinkis Jan

    Published 2025-01-01
    “…This work aims to propose a spatiotemporal monitoring method of soil salinization in the Rheris oasis using spectral indices derived from Thematic Mapper (TM) and Operational Land Imager (OLI) data. The most used indices in the literature were (14 indices) tested and correlated with the results obtained from 50 samples taken from the first soil horizon at a constant depth of 0.20 m from the November 2022 campaign. …”
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  19. 79

    Satellite Image Classification Using a Hybrid Manta Ray Foraging Optimization Neural Network by Amit Kumar Rai, Nirupama Mandal, Krishna Kant Singh, Ivan Izonin

    Published 2023-03-01
    “…The proposed method is applied on pre and post flooding Landsat 8 Operational Land Imager (OLI) images of New Brunswick area. The method was applied to identify and classify the land cover changes in the area induced by flooding. …”
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  20. 80

    Exploring advanced nanostructures and functional materials for efficient hydrogen storage: a theoretical investigation on mechanisms, adsorption process, and future directions by Gourhari Jana, Pratim Kumar Chattaraj

    Published 2025-02-01
    “…Functionalization of γ-GNT with OLi2 at boron-doped sites significantly enhances storage potential, achieving optimal hydrogen binding energies for practical applications. …”
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