[Loops] type II spicule paper

[Hugh S. Hudson]

It may be a great paper, but why is there no citation of Scudder's work?

Hugh

On 31 Jul 2012, at 16:12, Petrus Martens wrote:

> Hey, great paper!  Glad that someone looked into that.
>
> Cheers,
>
> Piet
>
> On 7/31/12 7:47 AM, Klimchuk, James A. (GSFC-6710) wrote:
>> Dear friends,
>>
>>       You might be interested in my recent paper on “The Role of Type
>> II Spicules in the Upper Solar Atmosphere,”  which can be  
>> downloaded at
>> http://arxiv.org/abs/1207.7048
>>
>> Cheers,
>>
>> Jim
>>
>> ABSTRACT:
>>
>> We examine the suggestion that most of the hot plasma in the Sun's
>>
>> corona comes from type II spicule material that is heated as it is
>>
>> ejected from the chromosphere.  This contrasts with the traditional
>>
>> view that the corona is filled via chromospheric evaporation that
>>
>> results from coronal heating.  We explore the observational
>>
>> consequences of a hypothetical spicule dominated corona and conclude
>>
>> from the large discrepancy between predicted and actual observations
>>
>> that only a small fraction of the hot plasma can be supplied by
>>
>> spicules (<2% in active regions and <5% in the quiet Sun).  The
>>
>> red-blue asymmetries of EUV spectral lines and the ratio of lower
>>
>> transition region (LTR; T<0.1 MK) to coronal emission measures
>>
>> are both predicted to be 2 orders of magnitude larger than observed.
>>
>> Furthermore, hot spicule material would cool dramatically by
>>
>> adiabatic expansion as it rises into the corona, so coronal heating
>>
>> would be required to maintain the high temperatures that are seen at
>>
>> all altitudes.  The necessity of coronal heating is inescapable.
>>
>> Traditional coronal heating models predict far too little emission
>>
>> from the LTR, and we suggest that this emission comes primarily from
>>
>> the bulk of the spicule material that is heated to <0.1 MK and
>>
>> is visible in He II (304 A) as it falls back to the surface.
>>
>> ********************************************************************************
>>
>> James A. Klimchuk
>>
>> NASA Goddard Space Flight Center
>>
>> Solar Physics Lab, Code 671
>>
>> Bldg. 21, Rm. 158
>>
>> Greenbelt, MD  20771
>>
>> USA
>>
>> Phone:  1-301-286-9060
>>
>> Fax:      1-301-286-7194
>>
>> E-mail: James.A.Klimchuk at nasa.gov <mailto:James.A.Klimchuk at nasa.gov>
>>
>> Homepage:
>> https://sedupdate.gsfc.nasa.gov/sed/index.cfm?fuseAction=people.jumpBio&&iPhonebookId=15844
>>
>> No endorsement by NASA is implied for any correspondence related to  
>> my
>> role as an officer of professional organizations (American  
>> Geophysical
>> Union, International Astronomical Union, American Astronomical  
>> Society).
>>
>> ********************************************************************************
>>
>>
>>
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>
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