Solar magnetic feature detection and tracking for space weather monitoring
نویسندگان
چکیده
منابع مشابه
Improvement of Solar Magnetic Field Data for Space Weather Applications
We have three primary scientific objectives for this project: (1) to continue to improve the accuracy and utility of archival and current solar magnetic field data that are used to help understand and predict space weather; (2) to develop ways of utilizing the significantly improved data to be provided by the SOLIS instruments starting in 2002; and (3) To investigate the predictive potential of...
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[1] We discuss the polar field precursor method of solar activity forecasting, first developed 3 decades ago. Using this method the peak amplitude of the next solar cycle (24) is estimated at 124 ± 30 in terms of smoothed F10.7 Radio Flux and 80 ± 30 in terms of smoothed international or Zurich Sunspot number (Ri or Rz). This may be regarded as a ‘‘fair space weather’’ long term forecast. To su...
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Space Weather is the study of the conditions in the solar wind that can affect life on the surface of the Earth, particularly the increasingly technologically sophisticated devices that are part of modern life. Solar radio observations are relevant to such phenomena because they generally originate as events in the solar atmosphere, including flares, coronal mass ejections and shocks, that prod...
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Magnetic Bright Points (MBPs) in the internetwork are among the smallest objects in the solar photosphere and appear bright against the ambient environment. An algorithm is presented that can be used for the automated detection of the MBPs in the spatial and temporal domains. The algorithm works by mapping the lanes through intensity thresholding. A compass search, combined with a study of the ...
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The Low Frequency array (LOFAR) will be a next generation digital aperture synthesis radio telescope covering the frequency range from 10 to 240MHz. The instrument will feature full polarisation and multi-beaming capability, and is currently in its design phase. This work highlights the solar, heliospheric and space weather applications where LOFAR, with its unique and unprecedented capabilitie...
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ژورنال
عنوان ژورنال: Advances in Space Research
سال: 2011
ISSN: 0273-1177
DOI: 10.1016/j.asr.2010.06.024