Showing 1,421 - 1,440 results of 1,484 for search '"satellites"', query time: 0.07s Refine Results
  1. 1421

    Comprehensive health risk assessment of urban ambient air pollution (PM2.5, NO2 and O3) in Ghana by Boansi Adu Ababio, Gerheart Winfred Ashong, Thomas Peprah Agyekum, Blessed Adjei Yeboah, Marian Asantewah Nkansah, Jonathan Nartey Hogarh, Michael Kweku Commeh, Edward Ebow Kwaansa-Ansah, Kwabena Dabie, Felix Adulley, Eldad Boansi, Lorenda Sarbeng, Birago Adu Ababio, Maame Serwaa Boapea, Nana Kwabena Oduro Darko, Meshach Kojo Appiah

    Published 2025-01-01
    “…This study evaluated the annual concentrations of PM2.5, NO2 and O3 in the ambient air of 57 cities in Ghana for two decades using historical and forecasted data from satellite measurements. The study assessed urban air quality and evaluated both carcinogenic and non-carcinogenic health risks associated with human exposure to ambient air pollutants. …”
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  2. 1422

    Global decadal measurements of methanol, ethene, ethyne, and HCN from the Cross-track Infrared Sounder by K. C. Wells, D. B. Millet, J. F. Brewer, V. H. Payne, K. E. Cady-Pereira, R. Pernak, S. Kulawik, S. Kulawik, C. Vigouroux, N. Jones, E. Mahieu, M. Makarova, T. Nagahama, I. Ortega, M. Palm, K. Strong, M. Schneider, D. Smale, R. Sussmann, M. Zhou

    Published 2025-02-01
    “…We present here the development of new retrievals for four key VOCs (methanol, ethene, ethyne, and HCN) based on thermal infrared radiance observations from the satellite-borne Cross-track Infrared Sounder (CrIS). …”
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  3. 1423

    Multi-Feature Driver Variable Fusion Downscaling TROPOMI Solar-Induced Chlorophyll Fluorescence Approach by Jinrui Fan, Xiaoping Lu, Guosheng Cai, Zhengfang Lou, Jing Wen

    Published 2025-01-01
    “…However, the current SIF satellite products have low spatial resolution, limiting their application in fine-scale agricultural research. …”
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  4. 1424

    Multi-decade northward shift of loggerhead sea turtle pelagic habitat as the eastern North Pacific Transition Zone becomes more oligotrophic by Dana K. Briscoe, Dana K. Briscoe, Larry B. Crowder, George H. Balazs, Jeffrey A. Seminoff, Alberto Abreu, Catherine A. Lee Hing, Masanori Kurita, Masanori Mori, Denise M. Parker, Marc R. Rice, Tomomi Saito, Bianca S. Santos, Calandra N. Turner Tomaszewicz, Noah Yamaguchi, Jeffrey J. Polovina

    Published 2025-01-01
    “…Here, we integrate nearly 3 decades of satellite tracking data from a climate sentinel, the juvenile North Pacific loggerhead sea turtle (Caretta caretta), with concurrent observations of sea surface temperature (SST) and chlorophyll-a concentrations to examine higher trophic level response to climate-induced changes within the eastern bounds of the NPTZ. …”
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  5. 1425

    Enhanced CyGNSS Soil Moisture Retrieval Validated by In-Situ Data in Argentina's Pampas by Javier Arellana, Francisco Grings, Mariano Franco

    Published 2025-01-01
    “…Specifically, with the Cyclone Global Navigation Satellite System (CyGNSS), the reflected signal is often modeled in its simplest form, utilizing the Fresnel reflection coefficients for a semi-infinite dielectric medium corrected with an effective roughness parameter. …”
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  6. 1426
  7. 1427
  8. 1428

    Changes in climate extreme indices and agricultural drought monitoring in the semi-arid areas of Borana zone, southern Ethiopia by Girma Asefa Bogale, Asfaw Kebede Kassa, Mengistu Mengesha Maja

    Published 2025-01-01
    “…We demonstrate that the study area experienced moderate to severe drought frequent over the study years, and multiple satellite-based drought indices are necessary for better early warning and assessment of agricultural drought in the study area. …”
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  9. 1429

    Surrogate-based model parameter optimization in simulations of the West African monsoon by M. Fischer, P. Knippertz, C. Proppe

    Published 2025-01-01
    “…As reference data, Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement (GPM IMERG) mission are used for precipitation, and the ERA5 reanalysis data from the European Centre for Medium-Range Weather Forecasts are used for all other quantities. …”
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  10. 1430

    Land surface temperature changes caused by land cover/land use properties and their impact on rainfall characteristics by A. Suharyanto, A. Maulana, D. Suprayogo, Y.P. Devia, S. Kurniawan

    Published 2023-07-01
    “…The increase in land surface temperature will increase the rainfall intensity. Satellite remote sensing imagery is effective and efficient for analyzing vegetation index, built-up index, and land surface temperature.…”
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  11. 1431
  12. 1432

    The Impact of Lockdown on Air Quality in Pakistan during the COVID-19 Pandemic Inferred from the Multi-sensor Remote Sensed Data by Rehana Khan, Kanike Raghavendra Kumar, Tianliang Zhao

    Published 2021-02-01
    “…We focused on assessing the significant changes of pollutant concentrations during March–May for the years 2019 and 2020 utilizing the satellite datasets observed from the Moderate Resolution Imaging Spectroradiometer (MODIS), Ozone Monitoring Instrument (OMI), Atmospheric Infrared Sounder (AIRS), and Modern-Era Retrospective analysis for Research and Applications (MERRA-2) reanalysis data. …”
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  13. 1433

    High-resolution mapping of evapotranspiration over heterogeneous cropland affected by soil salinity by Meihan Liu, Huimin Lei, Xingwang Wang, Paula Paredes

    Published 2025-03-01
    “…Using a spatiotemporal image fusion algorithm implemented on the Google Earth Engine (GEE) platform, daily NDVI and LST datasets with a 30 m resolution were generated by fusing Landsat 8 and MODIS satellite data. Subsequently, the high-resolution datasets were fed into the revised Priestley Taylor Jet Propulsion Laboratory (PT-JPL) model, which incorporates salinity effects, to generate the final ET estimates. …”
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  14. 1434

    Zenith Tropospheric Delay Forecasting in the European Region Using the Informer–Long Short-Term Memory Networks Hybrid Prediction Model by Zhengdao Yuan, Xu Lin, Yashi Xu, Jie Zhao, Nage Du, Xiaolong Cai, Mengkui Li

    Published 2024-12-01
    “…Zenith tropospheric delay (ZTD) is a significant atmospheric error that impacts the Global Navigation Satellite System (GNSS). Developing a high-precision, long-term forecasting model for ZTD can provide valuable insights into the overall trends of predicted ZTD, which is essential for improving GNSS positioning and analyzing changes in regional climate and water vapor. …”
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  15. 1435

    An Interpretable Model for Salinity Inversion Assessment of the South Bank of the Yellow River Based on Optuna Hyperparameter Optimization and XGBoost by Xia Liu, Yu Hu, Xiang Li, Ruiqi Du, Youzhen Xiang, Fucang Zhang

    Published 2024-12-01
    “…The soil salinity was estimated with the multi-source remote sensing satellite data by combining the extreme gradient boosting model (XGBoost), Optuna hyper-parameter optimization, and Shapley addition (SHAP) interpretable model. …”
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  16. 1436
  17. 1437

    Greenness and averted mortality in 390 cities in China (2000–2020)Research in context by John S. Ji, Zheng Tao, Hui Miao, Tom Cole-Hunter, Xuecao Li, David Rojas-Rueda, Wenjia Cai

    Published 2025-01-01
    “…Methods: In China, we mapped the urban human population distribution aged 20 and above with a 1 km grid (30 arc-second) and used satellite-based remote sensing to measure green space over time to create population-weighted normalized difference vegetation index (NDVI). …”
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  18. 1438

    Quantification of Soil–Water Erosion Using the RUSLE Method in the Mékrou Watershed (Middle Niger River) by Rachid Abdourahamane Attoubounou, Hamidou Diawara, Ralf Ludwig, Julien Adounkpe

    Published 2025-01-01
    “…Land use and land cover data were extracted from satellite imagery, enabling the analysis of vegetation cover and anthropogenic impacts over four decades. …”
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  19. 1439
  20. 1440

    Potential and actual evapotranspiration and Landsat derived indices by P. Kumar, D. Deka, A. Yadav, Ashwani ., M. Kumar, J.P. Das, A. Singh, A. Gurjar

    Published 2024-07-01
    “…The study aims to examine the correlation between actual evapotranspiration and potential evapotranspiration by assessing the linkages with vegetation and snow cover in an ecologically fragile located in the northwestern Himalaya.MATERIALS AND METHODS: The present study uses remote sensing Landsat satellite data series to map vegetation cover and snow cover in the area. …”
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