Showing 2,521 - 2,540 results of 2,648 for search '"satellites"', query time: 0.07s Refine Results
  1. 2521

    Dynamic Connectivity Hub: Multiple ISPs Smart Aggregation for Optimized IoT Connectivity by Hany Ali, Mohamed A. Abouelatta, Khaled Y. Youssef

    Published 2025-01-01
    “…., fiber optics, mobile 4G/5G), and satellite networks (e.g., LEO, GEO) - to dynamically distribute traffic to IoT devices. …”
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    Article
  2. 2522

    Impact of COVID-19 Control Measures on Trace Gases (NO2, HCHO and SO2) and Aerosols over India during Pre-monsoon of 2020 by Mriganka Sekhar Biswas, D. C. Ayantika

    Published 2020-10-01
    “…Abstract To prevent the transmission of COVID-19, India implemented country-wide restrictions on socio-economic activities. Using satellite observations for the pre-monsoon (March–April–May) season, we explore the effect of the extended lockdown, on nitrogen dioxide (NO2), formaldehyde (HCHO), sulfur dioxide (SO2) and aerosol optical depth (AOD) over India. …”
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  3. 2523

    GIS and remote sensing based assessment of West Rapti River channel migration in Nepal by Sandesh Gharti, Prabin Poudel, Ramesh Silwal, Suchana Baniya, Jeetendra Gautam, Om Mishra, Sijan Bista, Dipendra Dhungana

    Published 2025-01-01
    “…Using freely available Landsat satellite imagery we extracted water surface features through the Normalized Difference Water Index and generated 27 cross-sections (CS) to track channel shift. …”
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  4. 2524

    Mapping of Agate-like Soil Cover Structures Based on a Multitemporal Soil Line Using Neural Network Filtering of Remote Sensing Data by Dmitry I. Rukhovich, Polina V. Koroleva, Alexey D. Rukhovich, Mikhail A. Komissarov

    Published 2025-01-01
    “…New SCSs of leached chernozems (Luvic Chernic Phaeozem) were discovered, which can produce patterns on satellite images similar to sections of Timan agate—agate-like soil cover structures (ASCS, ASCSs). …”
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  5. 2525

    Land Cover and Forest Type Classification by Values of Vegetation Indices and Forest Structure of Tropical Lowland Forests in Central Vietnam by Hung Nguyen Trong, The Dung Nguyen, Martin Kappas

    Published 2020-01-01
    “…This paper aims to (i) optimize the application of multiple bands of satellite images for land cover classification by using random forest algorithms and (ii) assess correlations and regression of vegetation indices of a better-performed land cover classification image with vertical and horizontal structures of tropical lowland forests in Central Vietnam. …”
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  6. 2526

    Air Quality Improvement during COVID-19 Lockdown in Bangkok Metropolitan, Thailand: Effect of the Long-range Transport of Air Pollutants by Parichat Wetchayont, Tadahiro Hayasaka, Pradeep Khatri

    Published 2021-03-01
    “…This study explores the impact of the COVID-19 outbreak and long-range pollution on air quality in Bangkok Metropolitan, Thailand by using ground-based and satellite measurements such as MODIS and TROPOMI data. …”
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  7. 2527

    Leveraging Social Media Data for Forest Fires Sentiment Classification: A Data-Driven Method by Warih Maharani, Hanita Daud, Noryanti Muhammad, Evizal Abdul Kadir

    Published 2024-10-01
    “…Previous research determined the lack of coverage regarding public response during forest fires with conventional methods such as satellite images and sensor data. However, social media platforms provide real-time information generated by users, along with location information of disaster events. …”
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  8. 2528

    Advanced characterization of deforestation frontiers in Nigeria utilizing deep learning and Bayesian approaches with sentinel-1 SAR imagery by Isiaka Lukman Alage, Yumin Tan, Ahmed Wasiu Akande, Agus Suprijanto

    Published 2025-12-01
    “…Limitations include infrequent high-resolution satellite observations, obscured understory disturbances, and the shortcomings of conventional reflectance-based remote sensing methods, which typically focus on annual changes. …”
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  9. 2529

    Significant Ionospheric Hole and Equatorial Plasma Bubbles After the 2022 Tonga Volcano Eruption by Ercha Aa, Shun‐Rong Zhang, Philip J. Erickson, Juha Vierinen, Anthea J. Coster, Larisa P. Goncharenko, Andres Spicher, William Rideout

    Published 2022-07-01
    “…Abstract This paper investigates the local and global ionospheric responses to the 2022 Tonga volcano eruption, using ground‐based Global Navigation Satellite System total electron content (TEC), Swarm in situ plasma density measurements, the Ionospheric Connection Explorer (ICON) Ion Velocity Meter (IVM) data, and ionosonde measurements. …”
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  10. 2530

    Analysis of the Role of Land use Change on the Flooding of Shahrokh Castle Catchment Area by Saeed Shahmirzaei, Ahmad Mazidi

    Published 2024-03-01
    “…In this research, the effect of land use change on the flooding of Shahrokh Castle catchment basin as one of the sub-basins of Zayandeh Rood dam with an area of 1504 square kilometers in the period from 1999 to 2019 has been tried by preparing vegetation and land use maps and determining the area of each use and finally be evaluated by the equation of the United States Soil Protection Organization. Landsat satellite images were used for the four years of 1999, 2005, 2013 and 2019 in order to evaluate changes and prepare maps of land use and vegetation in the region. …”
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  11. 2531

    Effect of delayed sea ice retreat on zooplankton communities in the Pacific Arctic Ocean: a generalized dissimilarity modeling approach by Yuya Hibino, Kohei Matsuno, Kohei Matsuno, Amane Fujiwara, Yoshiyuki Abe, Nanami Hosoda, Motoyo Itoh, Atsushi Yamaguchi, Atsushi Yamaguchi

    Published 2025-01-01
    “…Subsequently, we assessed the effect of delayed sea ice melt on the zooplankton community by comparing the zooplankton community of the sea ice retreat year with that in 2021.ResultsIn GDM, numerous satellite parameters significantly affected the zooplankton distribution, with the highest effect during the open-water period and annual primary production (APP) and the lowest in water temperature. …”
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  12. 2532

    A Transient Conducted EM Disturbances Source Modeling Method for Electromagnetic Launch System Based on the Cascaded Multi-Port Circuit Model by Bailin Mou, Qi-Feng Liu, Zhenya Chen, Xiaowen Wu, Yongming Li, Chen Huang, Huai-Qing Zhang

    Published 2024-01-01
    “…Electromagnetic launch (EML) systems with energy storage units in transient operating states are gradually being applied in modern ships, satellite launches, etc., power switching devices with higher voltage and switching frequency, Additionally, innovative topologies are being developed to enhance the electromagnetic performance of the EML systems. …”
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  13. 2533
  14. 2534

    Retrieval of Vegetation Indices and Vegetation Fraction in Highly Compact Urban Areas: A 3D Radiative Transfer Approach by Wenya Xue, Liping Feng, Jinxin Yang, Yong Xu, Hung Chak Ho, Renbo Luo, Massimo Menenti, Man Sing Wong

    Published 2025-01-01
    “…In order to correct the effects of scattering caused by building geometry, the reflectance of the Landsat 8/OLI image is corrected using the sky view factor (SVF) and then used to calculate the FVC. Jilin-1 satellite images with high spatial resolution (0.5 m) are used to extract the vegetation cover and then aggregated to 30 m spatial resolution to calculate the FVC for validation. …”
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  15. 2535

    A Reliable Medium for Monitoring Atmospheric Deposition near Emission Sources by Using Snow from Agricultural Areas by Jiayang Liu, Zaijin Sun, Wenkai Lei, Jingwen Xu, Qian Sun, Zhicheng Shen, Yixuan Lyu, Huading Shi, Ying Zhou, Lan Zhang, Zefeng Wu, Yuepeng Pan

    Published 2024-12-01
    “…Moreover, snow samples from sites with high concentrations of cadmium and sulfate can be categorized into different groups via the clustering method, conforming to the spatial distribution of particulate matter emissions and sulfur dioxide satellite column concentrations. Finally, a positive correlation was found between the cadmium content in the snow and the production capacity (<i>R</i><sup>2</sup> = 0.90, <i>p</i> < 0.05) and total permitted emissions (<i>R</i><sup>2</sup> = 0.69, <i>p</i> > 0.05) of the nearby factories. …”
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  16. 2536

    Hydrological Models and Artificial Neural Networks (ANNs) to Simulate Streamflow in a Tropical Catchment of Sri Lanka by Miyuru B. Gunathilake, Chamaka Karunanayake, Anura S. Gunathilake, Niranga Marasingha, Jayanga T. Samarasinghe, Isuru M. Bandara, Upaka Rathnayake

    Published 2021-01-01
    “…The simulations by HEC-HMS were performed by four types of input rainfall data configurations, including observed rainfall data sets and three satellite-based precipitation products (SbPPs), namely, PERSIANN, PERSIANN-CCS, and PERSIANN-CDR. …”
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  17. 2537

    Parent-of-origin effects on nuclear chromatin organization and behavior in a Drosophila model for Williams–Beuren Syndrome by A. V. Medvedeva, E. V. Tokmatcheva, A. N. Kaminskaya, S. A. Vasileva, E. A. Nikitina, A. V. Zhuravlev, G. A. Zakharov, O. G. Zatsepina, E. V. Savvateeva-Popova

    Published 2021-09-01
    “…Bioinformatic analysis reveals that FEC between X:11AB and the other X chromosome bands correlates with the occurrence of short (~30 bp) identical DNA fragments partly homologous to Drosophila 372-bp satellite DNA repeat. Although learning acquisition in a conditioned courtship suppression paradigm is similar in hybrids, the middle-term memory formation shows patroclinic inheritance. …”
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  18. 2538
  19. 2539

    A Study on Dust Storm Pollution and Source Identification in Northwestern China by Hongfei Meng, Feiteng Wang, Guangzu Bai, Huilin Li

    Published 2025-01-01
    “…Backward trajectory analysis using the HYSPLIT model was employed to trace the origins of the dust, while FY-2H satellite data provided high-resolution dust distribution patterns. …”
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  20. 2540

    Research on the possibility of carrying out convoy driving missions using vehicles with varying degrees of autonomy by Tomasz Pusty, Marcin Mieteń, Jarosław Pilich, Przemysław Simiński, Włodzimierz Kupicz, Ryszard Lewiński, Jaromir Mysłowski

    Published 2024-12-01
    “…The tests were carried out on a safe training ground, using inertial-satellite devices mounted on the vehicles; they provide a good basis for planning the minimum passage corridor for a column of vehicles. …”
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