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Statistical study of the GNSS phase scintillation associated with two types of auroral blobs
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| Zeitschriftentitel: | Journal of Geophysical Research: Space Physics |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Journal of Geophysical Research: Space Physics, 121, 2016, 5, S. 4679-4697 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Jin, Yaqi Moen, Jøran I. Miloch, Wojciech J. Clausen, Lasse B. N. Oksavik, Kjellmar Jin, Yaqi Moen, Jøran I. Miloch, Wojciech J. Clausen, Lasse B. N. Oksavik, Kjellmar |
|---|---|
| author |
Jin, Yaqi Moen, Jøran I. Miloch, Wojciech J. Clausen, Lasse B. N. Oksavik, Kjellmar |
| spellingShingle |
Jin, Yaqi Moen, Jøran I. Miloch, Wojciech J. Clausen, Lasse B. N. Oksavik, Kjellmar Journal of Geophysical Research: Space Physics Statistical study of the GNSS phase scintillation associated with two types of auroral blobs Space and Planetary Science Geophysics |
| author_sort |
jin, yaqi |
| spelling |
Jin, Yaqi Moen, Jøran I. Miloch, Wojciech J. Clausen, Lasse B. N. Oksavik, Kjellmar 2169-9380 2169-9402 American Geophysical Union (AGU) Space and Planetary Science Geophysics http://dx.doi.org/10.1002/2016ja022613 <jats:title>Abstract</jats:title><jats:p>This study surveys space weather effects on GNSS (Global Navigation Satellite System) signals in the nighttime auroral and polar cap ionosphere using scintillation receivers, all‐sky imagers, and the European Incoherent Scatter Svalbard radar. We differentiate between two types of auroral blobs: blob type 1 (BT 1) which is formed when islands of high‐density <jats:italic>F</jats:italic> region plasma (polar cap patches) enter the nightside auroral oval, and blob type 2 (BT 2) which are generated locally in the auroral oval by intense particle precipitation. For BT 1 blobs we have studied 41.4 h of data between November 2010 and February 2014. We find that BT 1 blobs have significantly higher scintillation levels than their corresponding polar cap patch; however, there is no clear relationship between the scintillation levels of the preexisting polar cap patch and the resulting BT 1 blob. For BT 2 blobs we find that they are associated with much weaker scintillations than BT 1 blobs, based on 20 h of data. Compared to patches and BT 2 blobs, the significantly higher scintillation level for BT 1 blobs implies that auroral dynamics plays an important role in structuring of BT 1 blobs.</jats:p> Statistical study of the GNSS phase scintillation associated with two types of auroral blobs Journal of Geophysical Research: Space Physics |
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| title |
Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_unstemmed |
Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_full |
Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_fullStr |
Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_full_unstemmed |
Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_short |
Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_sort |
statistical study of the gnss phase scintillation associated with two types of auroral blobs |
| topic |
Space and Planetary Science Geophysics |
| url |
http://dx.doi.org/10.1002/2016ja022613 |
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2016 |
| physical |
4679-4697 |
| description |
<jats:title>Abstract</jats:title><jats:p>This study surveys space weather effects on GNSS (Global Navigation Satellite System) signals in the nighttime auroral and polar cap ionosphere using scintillation receivers, all‐sky imagers, and the European Incoherent Scatter Svalbard radar. We differentiate between two types of auroral blobs: blob type 1 (BT 1) which is formed when islands of high‐density <jats:italic>F</jats:italic> region plasma (polar cap patches) enter the nightside auroral oval, and blob type 2 (BT 2) which are generated locally in the auroral oval by intense particle precipitation. For BT 1 blobs we have studied 41.4 h of data between November 2010 and February 2014. We find that BT 1 blobs have significantly higher scintillation levels than their corresponding polar cap patch; however, there is no clear relationship between the scintillation levels of the preexisting polar cap patch and the resulting BT 1 blob. For BT 2 blobs we find that they are associated with much weaker scintillations than BT 1 blobs, based on 20 h of data. Compared to patches and BT 2 blobs, the significantly higher scintillation level for BT 1 blobs implies that auroral dynamics plays an important role in structuring of BT 1 blobs.</jats:p> |
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| author | Jin, Yaqi, Moen, Jøran I., Miloch, Wojciech J., Clausen, Lasse B. N., Oksavik, Kjellmar |
| author_facet | Jin, Yaqi, Moen, Jøran I., Miloch, Wojciech J., Clausen, Lasse B. N., Oksavik, Kjellmar, Jin, Yaqi, Moen, Jøran I., Miloch, Wojciech J., Clausen, Lasse B. N., Oksavik, Kjellmar |
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| description | <jats:title>Abstract</jats:title><jats:p>This study surveys space weather effects on GNSS (Global Navigation Satellite System) signals in the nighttime auroral and polar cap ionosphere using scintillation receivers, all‐sky imagers, and the European Incoherent Scatter Svalbard radar. We differentiate between two types of auroral blobs: blob type 1 (BT 1) which is formed when islands of high‐density <jats:italic>F</jats:italic> region plasma (polar cap patches) enter the nightside auroral oval, and blob type 2 (BT 2) which are generated locally in the auroral oval by intense particle precipitation. For BT 1 blobs we have studied 41.4 h of data between November 2010 and February 2014. We find that BT 1 blobs have significantly higher scintillation levels than their corresponding polar cap patch; however, there is no clear relationship between the scintillation levels of the preexisting polar cap patch and the resulting BT 1 blob. For BT 2 blobs we find that they are associated with much weaker scintillations than BT 1 blobs, based on 20 h of data. Compared to patches and BT 2 blobs, the significantly higher scintillation level for BT 1 blobs implies that auroral dynamics plays an important role in structuring of BT 1 blobs.</jats:p> |
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| spelling | Jin, Yaqi Moen, Jøran I. Miloch, Wojciech J. Clausen, Lasse B. N. Oksavik, Kjellmar 2169-9380 2169-9402 American Geophysical Union (AGU) Space and Planetary Science Geophysics http://dx.doi.org/10.1002/2016ja022613 <jats:title>Abstract</jats:title><jats:p>This study surveys space weather effects on GNSS (Global Navigation Satellite System) signals in the nighttime auroral and polar cap ionosphere using scintillation receivers, all‐sky imagers, and the European Incoherent Scatter Svalbard radar. We differentiate between two types of auroral blobs: blob type 1 (BT 1) which is formed when islands of high‐density <jats:italic>F</jats:italic> region plasma (polar cap patches) enter the nightside auroral oval, and blob type 2 (BT 2) which are generated locally in the auroral oval by intense particle precipitation. For BT 1 blobs we have studied 41.4 h of data between November 2010 and February 2014. We find that BT 1 blobs have significantly higher scintillation levels than their corresponding polar cap patch; however, there is no clear relationship between the scintillation levels of the preexisting polar cap patch and the resulting BT 1 blob. For BT 2 blobs we find that they are associated with much weaker scintillations than BT 1 blobs, based on 20 h of data. Compared to patches and BT 2 blobs, the significantly higher scintillation level for BT 1 blobs implies that auroral dynamics plays an important role in structuring of BT 1 blobs.</jats:p> Statistical study of the GNSS phase scintillation associated with two types of auroral blobs Journal of Geophysical Research: Space Physics |
| spellingShingle | Jin, Yaqi, Moen, Jøran I., Miloch, Wojciech J., Clausen, Lasse B. N., Oksavik, Kjellmar, Journal of Geophysical Research: Space Physics, Statistical study of the GNSS phase scintillation associated with two types of auroral blobs, Space and Planetary Science, Geophysics |
| title | Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_full | Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_fullStr | Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_full_unstemmed | Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_short | Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| title_sort | statistical study of the gnss phase scintillation associated with two types of auroral blobs |
| title_unstemmed | Statistical study of the GNSS phase scintillation associated with two types of auroral blobs |
| topic | Space and Planetary Science, Geophysics |
| url | http://dx.doi.org/10.1002/2016ja022613 |