Showing 2,481 - 2,500 results of 2,648 for search '"satellites"', query time: 0.05s Refine Results
  1. 2481

    Braiding archaeology, geomorphology and indigenous knowledge to improve the understanding of local-scale coastal change by Benjamin D. Jones, Mark E. Dickson, Murray Ford, Daniel Hikuroa, Emma Ryan, Ari Carrington, Juliane Chetham

    Published 2025-01-01
    “…Anthropogenic deposits within dune stratigraphy are radiocarbon-dated and used as chronological markers to constrain coastal evolution, alongside geomorphological analyses of topographic data, historical aerial photographs and satellite imagery. These investigations revealed that the barrier is eroding at a rate of 0.45 m/year. …”
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  2. 2482

    Evaluating the Performance of Low-cost PM Sensors over Multiple COALESCE Network Sites by Vishal R. Dharaiya, Vasudev Malyan, Vikas Kumar, Manoranjan Sahu, Chandra Venkatraman, Pratim Biswas, Kajal Yadav, Diksha Haswani, Ramya Sunder Raman, Ruqia Bhat, Tanveer Ahmad Najar, Arshid Jehangir, Rohit P. Patil, G. Pandithurai, Sandeep Singh Duhan, Jitendra Singh Laura

    Published 2023-02-01
    “…In this work, PM concentrations measured by deploying low-cost sensors at four regional sites are evaluated through comparison with satellite-based model MERRA-2 and the SASS reference instrument. …”
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  3. 2483

    Longitudinal Range of the Eastward‐Traveling Equatorial Plasma Bubble Inducing Ionospheric Scintillation by P. Abadi, Y. Otsuka, S. Saito, M. Yamamoto, S. Perwitasari, I. N. Muafiry, A. Y. Putra, A. Faturahman

    Published 2024-08-01
    “…Abstract Equatorial Plasma Bubbles (EPBs) can generate ionospheric scintillation at GHz frequencies used in the Global Navigation Satellite System (GNSS). Emerging at any longitude following sunset and typically moving eastward, monitoring the EPBs is essential for space weather services. …”
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  4. 2484

    ESTIMACIÓN DE EROSIÓN HIDRICA DE SUELOS PARA PLAN DE MANEJO DEL CAMPO FORESTAL AGUAS FRÍAS, PATAGONIA ARGENTINA by Ana C. Dufilho, María C. Frugoni, Pablo Macchi, Alan Toth

    Published 2011-12-01
    “…Paper presents, pedology map by interpreting and georreferencing satellite images by a Geographical Information System. …”
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  5. 2485

    3D highly isolated 6-port tri-band MIMO antenna system with 360° coverage for 5G IoT applications based machine learning verification by Md Afzalur Rahman, Samir Salem Al-Bawri, Sultan S. Alharbi, Wazie M. Abdulkawi, Noorlindawaty Md Jizat, Mohammad Tariqul Islam, Abdel-Fattah A. Sheta

    Published 2025-01-01
    “…This MIMO antenna module is a shining example of the future, with the potential to completely alter the state of affairs in terms of 5G IoT connectivity in settings such as smart homes, offices, cities, vehicle-to-everything communications, and broadcast satellite service (BSS).…”
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  6. 2486

    Time-series Spectroscopy and TESS Photometry of the Oscillating Eclipsing Algol System V389 Cassiopeiae by Pakakaew Rittipruk, Kyeongsoo Hong, Jae Woo Lee, Anirut Phriksee, Supachai Awiphan, Jae-Rim Koo, Jang-Ho Park

    Published 2025-01-01
    “…We present the results from a detailed analysis of our time-series spectroscopic observations and the Transiting Exoplanet Survey Satellite (TESS) photometric data of the eclipsing binary V389 Cas. …”
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  7. 2487

    Asymmetries and Circumstellar Interaction in the Type II SN 2024bch by Jennifer E. Andrews, Manisha Shrestha, K. Azalee Bostroem, Yize Dong, Jeniveve Pearson, M. M. Fausnaugh, David J. Sand, S. Valenti, Aravind P. Ravi, Emily Hoang, Griffin Hosseinzadeh, Ilya Ilyin, Daryl Janzen, M. J. Lundquist, Nicolás Meza, Nathan Smith, Saurabh W. Jha, Moira Andrews, Joseph Farah, Estefania Padilla Gonzalez, D. Andrew Howell, Curtis McCully, Megan Newsome, Craig Pellegrino, Giacomo Terreran, Patrick Wiggins, Brian Hsu, Collin T. Christy, Noah Franz, Xiaofeng Wang, Jialian Liu, Liyang Chen

    Published 2025-01-01
    “…High-cadence photometry from the ground and Transiting Exoplanet Survey Satellite show that the SN brightened quickly and reached a peak M _V  ~ −17.8 mag within a week of explosion, and late-time photometry suggests a ^56 Ni mass of 0.050 M _⊙ . …”
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  8. 2488

    An Initial Validation of the NASA TROPICS Pathfinder Microwave Radiometer Observations by Amelia Gagnon, Samantha N. Hasler, Juliana Chew, William J. Blackwell, R. Vincent Leslie, Michael DiLiberto, Kerri Cahoy

    Published 2025-01-01
    “…The NASA Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats (TROPICS) Pathfinder CubeSat was placed into a sun-synchronous orbit by a SpaceX Falcon 9 launch vehicle during the June 30, 2021 Transporter-2 rideshare mission. The Pathfinder satellite carries a microwave radiometer with 12 channels (spanning 90–205 GHz) that are sensitive to the precipitation, humidity, and temperature structure of Earth's atmosphere. …”
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  9. 2489

    Modeling TEC Maps Over China Using Particle Swarm Optimization Neural Networks and Long‐Term Ground‐Based GPS, COSMIC, and Fengyun Data by Shuangshuang Shi, Kefei Zhang, Jiaqi Shi, Andong Hu, Dongsheng Zhao, Zhongchao Shi, Peng Sun, Huajing Wu, Suqin Wu

    Published 2023-04-01
    “…The new model is developed using a hybrid method composed of the particle swarm optimization (PSO) and artificial neural network and long‐term observations from 257 ground‐based global navigation satellite systems (GNSS) stations and space‐borne GNSS radio occultation systems (COSMIC and Fengyun) during the 14‐year period of 2008–2021. …”
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  10. 2490

    High-time-cadence Spectroscopy and Photometry of Stellar Flares on M dwarf YZ Canis Minoris with the Seimei Telescope and TESS. I. Discovery of Rapid and Short-duration Prominence... by Yuto Kajikiya, Kosuke Namekata, Yuta Notsu, Hiroyuki Maehara, Bunei Sato, Daisaku Nogami

    Published 2025-01-01
    “…We conducted spectroscopic monitoring observations of the active M dwarf YZ Canis Minoris with an ∼1 minute time cadence using the Seimei telescope, simultaneously with the optical photometric observations by Transiting Exoplanet Survey Satellite. We detected 27 H α flares with H α energies ranging from 1.7 × 10 ^29 to 3.8 × 10 ^32 erg and durations from 8 to 319 minutes. …”
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  11. 2491

    The Effects of Low-Impact Development Best Management Practices on Reducing Stormwater Caused by Land Use Changes in Urban Areas: A Case Study of Tehran City, Iran by Sajedeh Rostamzadeh, Bahram Malekmohammadi, Fatemeh Mashhadimohammadzadehvazifeh, Jamal Jokar Arsanjani

    Published 2024-12-01
    “…For this purpose, land use maps were extracted for a period of 23 years from 2000 to 2022 using Landsat satellite images. Then, by using a combination of geographic information system-based multi-criteria decision analysis (GIS-MCDA) method and spatial criteria, four types of LID-BMPs, including bioretention basin, green roof, grass swale, and porous pavement, were located in the study area. …”
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  12. 2492

    A hyperspectral and multi-angular synthetic dataset for algorithm development in waters of varying trophic levels and optical complexity by J. Pitarch, V. E. Brando, V. E. Brando

    Published 2025-02-01
    “…Employing the HydroLight scalar radiative transfer equation solver, above-surface and submarine light fields between 350 and 800 nm at 1 nm steps were generated, facilitating algorithm development and assessment for present and forthcoming hyperspectral satellite missions. A smaller version of the dataset, delivered at 12 Sentinel-3 Ocean and Land Colour Instrument (OLCI) bands (400 to 753 nm), was also produced, targeting multispectral sensor algorithm research. …”
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  13. 2493

    Testing the Applicability and Transferability of Data-Driven Geospatial Models for Predicting Soil Erosion in Vineyards by Tünde Takáts, László Pásztor, Mátyás Árvai, Gáspár Albert, János Mészáros

    Published 2025-01-01
    “…RS data were represented by multi-temporal Sentinel-2 satellite imagery data, which were supplemented by (i) topographic covariates derived from a UAV-based digital surface model and (ii) digital primary soil property maps. …”
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  14. 2494

    Machine learning-based monitoring of land cover and reclamation plantations on coal-mined landscape using Sentinel 2 data by Mayank Pandey, Alka Mishra, Singam L. Swamy, James T. Anderson, Tarun Kumar Thakur

    Published 2025-02-01
    “…This study examines the reclamation of coal mine overburdens through reforestation, using high-resolution Sentinel 2 satellite data classified by various Machine Learning (ML) algorithms. …”
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  15. 2495

    Optimized Gross Primary Productivity Over the Croplands Within the BEPS Particle Filtering Data Assimilation System (BEPS_PF v1.0) by Xiuli Xing, Mousong Wu, Huajie Zhu, Wenzhuo Duan, Weimin Ju, Xiaorong Wang, Youhua Ran, Yongguang Zhang, Fei Jiang

    Published 2025-01-01
    “…We demonstrated that the BEPS_PF is an efficient tool for optimizing different processes in the ecosystems, and with the satellite data it can be extended to regional and global scales for more accurate estimation of carbon fluxes.…”
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  16. 2496

    Pre-Season Precipitation and Temperature Have a Larger Influence on Vegetation Productivity than That of the Growing Season in the Agro-Pastoral Ecotone in Northern China by Yuanyuan Zhang, Qingtao Wang, Xueyuan Zhang, Zecheng Guo, Xiaonan Guo, Changhui Ma, Baocheng Wei, Lei He

    Published 2025-01-01
    “…This study utilizes satellite-derived vegetation indices, land cover datasets, and climate data to investigate the influence of both land cover and climate changes on vegetation growth in the agro-pastoral ecotone of northern China (APENC) from 2001 to 2022. …”
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  17. 2497

    Prebreeding studies of leaf rust resistant <i>Triticum aestivum/T. timopheevii</i> line L624 by S. N. Sibikeev, I. G. Adonina, A. E. Druzhin, O. A. Baranova

    Published 2023-11-01
    “…Introgressions from T. timopheevii in L624 were detected by the FISH method with probes pSc119.2, pAs1 and Spelt1, as well as micro satellite markers Xgwm312, Xgpw4480 and Xksum73. Translocations of 2AS.2AL-2AtL and on 2DL were detected as well. …”
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  18. 2498

    Estimation of the drift velocity of Equatorial Plasma Bubbles using GNSS and digisonde data by Navas-Portella Víctor, Altadill David, Blanch Estefania, Altadill Mar, Segarra Antoni, de Paula Víctor, Timoté Cristhian Camilo, Juan José Miguel

    Published 2025-01-01
    “…., 8, 38–32) for detecting EPBs using data from the Global Navigation Satellite System (GNSS). The enhancements introduced in this version significantly improve the EPB detection process, achieving a notable reduction in the false positive rate compared to the previous approach. …”
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  19. 2499

    GIS-based assessment of soil erosion impact and mitigation strategies for sustainable agriculture in Ghana's most vulnerable region by Stephen Sodoke, Samuel Ato Andam-Akorful, Ebenezer Ebo Yahans Amuah, Ebenezer Gyampoh Amoah, Kwame Anokye, Douti Biyogue Nang, Raymond Webrah Kazapoe

    Published 2025-02-01
    “…Rainfall data from Climate Hazards Group InfraRed Precipitation with Station data (CHIRPS) was used to determine the rainfall erosivity, soil erodibility from the Harmonized World Soil Database, the Slope Length and Steepness from the Shuttle Radar Topographic Mission data, the Cover Management and Control Practices from Landsat satellite data from the years 2000, 2010 and 2020. …”
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  20. 2500

    Study on Strength Variation of Permeable Concrete Based on Differential Calorimetry Method and Multi-Index Test by Sanqiang Yang, Meng Guo, Shichao Duan, Na Liu, Haonan Wu, Erxia Du, Meichen Liang

    Published 2019-01-01
    “…With the implementation of the Xiongan New Area and the urbanization construction plan surrounding the Beijing-Tianjin satellite, it is urgent to study and apply the sponge-permeable paving materials to solve the “urban waterlogging and heat island effect.” …”
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