Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24

The solar wind was originally envisioned using a simple dipolar corona/polar coronal hole sources picture, but modern observations and models, together with the recent unusual solar cycle minimum, have demonstrated the limitations of this picture. The solar surface fields in both polar and low-to-m...

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Main Authors:	Janet G. Luhmann, Gordon Petrie, Pete Riley
Format:	Article
Language:	English
Published:	Elsevier 2013-05-01
Series:	Journal of Advanced Research
Subjects:	Solar corona Solar cycle Solar wind
Online Access:	http://www.sciencedirect.com/science/article/pii/S2090123212000665

id	doaj-31ed60e710574518b2f6990d493c29fd
record_format	Article
spelling	doaj-31ed60e710574518b2f6990d493c29fd2020-11-25T01:12:47ZengElsevierJournal of Advanced Research2090-12322090-12242013-05-014322122810.1016/j.jare.2012.08.008Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24Janet G. Luhmann0Gordon Petrie1Pete Riley2Space Sciences Laboratory, University of California, Berkeley, CA, USANational Solar Observatory, Tucson, AZ, USAPredictive Science Inc., San Diego, CA, USA The solar wind was originally envisioned using a simple dipolar corona/polar coronal hole sources picture, but modern observations and models, together with the recent unusual solar cycle minimum, have demonstrated the limitations of this picture. The solar surface fields in both polar and low-to-mid-latitude active region zones routinely produce coronal magnetic fields and related solar wind sources much more complex than a dipole. This makes low-to-mid latitude coronal holes and their associated streamer boundaries major contributors to what is observed in the ecliptic and affects the Earth. In this paper we use magnetogram-based coronal field models to describe the conditions that prevailed in the corona from the decline of cycle 23 into the rising phase of cycle 24. The results emphasize the need for adopting new views of what is ‘typical’ solar wind, even when the Sun is relatively inactive. http://www.sciencedirect.com/science/article/pii/S2090123212000665Solar coronaSolar cycleSolar wind
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Janet G. Luhmann Gordon Petrie Pete Riley
spellingShingle	Janet G. Luhmann Gordon Petrie Pete Riley Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24 Journal of Advanced Research Solar corona Solar cycle Solar wind
author_facet	Janet G. Luhmann Gordon Petrie Pete Riley
author_sort	Janet G. Luhmann
title	Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24
title_short	Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24
title_full	Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24
title_fullStr	Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24
title_full_unstemmed	Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24
title_sort	solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24
publisher	Elsevier
series	Journal of Advanced Research
issn	2090-1232 2090-1224
publishDate	2013-05-01
description	The solar wind was originally envisioned using a simple dipolar corona/polar coronal hole sources picture, but modern observations and models, together with the recent unusual solar cycle minimum, have demonstrated the limitations of this picture. The solar surface fields in both polar and low-to-mid-latitude active region zones routinely produce coronal magnetic fields and related solar wind sources much more complex than a dipole. This makes low-to-mid latitude coronal holes and their associated streamer boundaries major contributors to what is observed in the ecliptic and affects the Earth. In this paper we use magnetogram-based coronal field models to describe the conditions that prevailed in the corona from the decline of cycle 23 into the rising phase of cycle 24. The results emphasize the need for adopting new views of what is ‘typical’ solar wind, even when the Sun is relatively inactive.
topic	Solar corona Solar cycle Solar wind
url	http://www.sciencedirect.com/science/article/pii/S2090123212000665
work_keys_str_mv	AT janetgluhmann solaroriginsofsolarwindpropertiesduringthecycle23solarminimumandrisingphaseofcycle24 AT gordonpetrie solaroriginsofsolarwindpropertiesduringthecycle23solarminimumandrisingphaseofcycle24 AT peteriley solaroriginsofsolarwindpropertiesduringthecycle23solarminimumandrisingphaseofcycle24
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Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24

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