Showing 1,361 - 1,380 results of 1,484 for search '"satellites"', query time: 0.06s Refine Results
  1. 1361

    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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  2. 1362

    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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  3. 1363

    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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  4. 1364

    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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  5. 1365

    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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  6. 1366

    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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  7. 1367

    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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  8. 1368

    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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  9. 1369

    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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  10. 1370

    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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  11. 1371

    The responses of vegetation water use efficiency to biomass density and CO2 balance in dryland of Central Asia during 21st century by Alphonse Kayiranga, Xi Chen, Xuexi Ma, Dative Ingabire, Tie Liu, Yaoming Li, Emeka Edwin Igboeli, Eldiiar Duulatov, Hubert Hirwa, Clement Nzabanita, Ping Hu

    Published 2025-02-01
    “…In this study, we examined the patterns and magnitude of WUE effects on desert vegetation aboveground biomass (AGB) and carbon stocks (C. stocks) and related fluxes by utilizing multiple streams of state-of-the-art multispectral satellite imagery and polynomial model across the temperate drylands of Central Asia (CA) from 2000 to 2023. …”
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  12. 1372

    Comparative Analysis of Higher‐Order Ionospheric Delay on PPP Long‐Term Coordinate Time Series and Residual Modeling Using Horizontal Gradients and RINEX Data by Kaichun Yang, Weiping Jiang, Zhao Li, Xin Ding, Ran Lu

    Published 2024-12-01
    “…Abstract Higher‐order ionospheric corrections, including second‐ and third‐order effects and signal bending, are essential for improving Global Navigation Satellite System (GNSS) time series accuracy. However, their influence on long‐term Precise Point Positioning (PPP) time series, particularly signal bending, remains underexplored. …”
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  13. 1373

    Effects of permafrost stability changes on vegetation dynamics in the middle part of the Greater Khingan Mountains by Jiaman Sun, Wei Shan, Chengcheng Zhang

    Published 2025-01-01
    “…This study utilized vegetation and climate data, along with 30-meter high-resolution frozen soil distribution data from 2003 to 2021, to investigate the impact of changes in frozen soil stability on vegetation dynamics and phenology. Analysis of satellite observations reveals significant changes in the spatiotemporal distribution of permafrost in the area, with the stability of permafrost in low-altitude regions being particularly affected. …”
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  14. 1374

    Distinct expression profile reveals glia involvement in the trigeminal system attributing to post-traumatic headache by Gurueswar Nagarajan, Yumin Zhang

    Published 2024-11-01
    “…In situ assays also revealed that gliosis of satellite glial cells in the TG and astrocytes in the Sp5C were prominent days after injury. …”
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  15. 1375
  16. 1376

    PM2.5 in Sri Lanka: Trend Analysis, Low-cost Sensor Correlations and Spatial Distribution by Ranil Dhammapala, Ashani Basnayake, Sarath Premasiri, Lakmal Chathuranga, Karen Mera

    Published 2022-03-01
    “…With these corrected data, we interpolated satellite and model-derived PM2.5 annual averages at 1 km intervals. …”
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  17. 1377

    Lighting Spectrum Optimization With Deep Learning for Moss Species Classification by Kenichi Ito, Pauli Falt, Markku Hauta-Kasari, Shigeki Nakauchi

    Published 2025-01-01
    “…Remote sensing technology using satellite imagery and unmanned aerial vehicles (UAVs) reduces labor, but it is difficult to determine the species that are surrounded by a canopy in forests. …”
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  18. 1378

    Evaluation of Zenith Tropospheric Delay Derived from Ray-Traced VMF3 Product over the West African Region Using GNSS Observations by Samuel Osah, Akwasi A. Acheampong, Collins Fosu, Isaac Dadzie

    Published 2021-01-01
    “…The growing demand for Global Navigation Satellite System (GNSS) technology has necessitated the establishment of a vast and ever-growing network of International GNSS Service (IGS) tracking stations worldwide. …”
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  19. 1379

    UAV-Based Survey of the Earth Pyramids at the Kuklica Geosite (North Macedonia) by Ivica Milevski, Bojana Aleksova, Slavoljub Dragićević

    Published 2024-12-01
    “…Given the site’s small size (0.5 km<sup>2</sup>), the freely available satellite images and digital elevation models are not suitable for comprehensive analysis and monitoring of the site, especially in terms of the individual forms within the site. …”
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  20. 1380

    The effects of meteorological drought on oak forest dieback in Ilam province by shamsallah Asgari, tayeb razi, Mohamadreza Jafari, Ali Akbar noroozi

    Published 2025-03-01
    “…Moreover, a land survey of oak drying points and simulation using Landsat satellite images, with a 15×15 pixel output from GIS software, indicate that approximately 17,894 hectares of forests in the region experienced drying and destruction between 2000 and 2016. …”
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