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1 MB1 2 Clause No./ Subclause No./ Annex (e.g. 3.1) (3) Paragraph/ Figure/Table/ Note (e.g. Table 1) 4 Type of comment2 5 Comment (justification for change) by the MB

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Proposed change by the MB

BE

1. 2. 2.

Applicabilit y scope General General

ge ge ge

BE BE

With respect to the applicability, the lower energy limit has changed from 5 MeV to 4 MeV. The higer energy limit is not listed. The usage of roman, bold, and italic notation is not consistent Not all symbols used in the document are listed in the definitions

The specification established a probabilistic model for the 4 В104 MeV SEP event proton....... Text of the Specification is looked over and corrected In the Specificationis used lot of formulas with large number of subsidiary indexes, symbols etc., sence of which difficult to explain independent from the formulas and their local or foregoing explanations. Therefore it is not possible to list all secondary symbols in this section. Besides, the definitions of energy and rigidity are added. Solar activity level:13-month smoothed month sunspot number or predicted by NOAA month sunspot number: by INTERNET http://www.sec.noaa.gov/Data/ Time period for that the calculations by the Specification are possible. Definition dont needs define more precisely Proton fluence

CLOSED: Accepted and changed CLOSED: Accepted and text is corrected CLOSED: Not accepted on the whole.

BE

2.

ge

Solar activity level: mean monthly.......

CLOSED: Accepted

BE BE BE BE BE BE BE BE

2. 2 2 2 2 2

ge ge ed te te te te

Observation or space mission time: - time period for that.... Events number: .....events during the some.... Particle fluence: proton fluence Proton peak flux: units in denominator are not placed between parentheses()..... Differential proton (peak) flux....... Units: middle dots are disappeared

CLOSED: Accepted CLOSED: Not accepted CLOSED: Accepted CLOSED: Accepted

Parentheses in term are excluded Corrected Corrected Corrected

CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted

Fluence probability function: Notation:now italic. Notation of symbols used; Bold, italic, roman...

3

te

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Proposed change by the MB

BE BE

Eq.1 Eq.2

ge ge

Differs completely from the previous version of TS Power in nominator was changed from -1.41 to -1.32. This seems o lot when doing statistical analysis. The value in the terminator was changed from 4·109 to 9·10

Version 2004 was essential treated In this version was used new, more autthentic database (GOES uncorrected) instead of previous, (mixed data from IMP, GOES,Meteor.....) according to Feynman et al., 1990. The eventsused in models were: 6 2 For fluences F3010 protons/cm , for peak fluxes 2 f301.2 protons/(cm ·s·sr). These events sets are a little different in range of thresholds. Author of the Equations 3 and 4 used this termin in all of his publications. Nobody uses these expressions else. Author of the Specification was not in Tsukuba and is not agree with this new name. Perhaps, it may be the error of the Referee's computer Corrected Corrected `lg' is replaced by `log' Corrected. x is the deviation of lognormal distribution....... Replaced by Replaced by

CLOSED: Not accepted CLOSED: Not accepted

9

BE

Eq.s 2a,b

ge

The distribution functions for the events for fluence and for peak flux are now different. Does that mean, that different events were used to developed the models? is still called the "droop index". It was agreed in Tsukuba to change this name to "roll over" (suggestion of E.Daly) The alignment of the description of the three parameters coiuld be improved. There is not subsection 3.7 There is mistake in Eq. 6 x=lg(y ). As far as I know `lg" is not generally accepted The same sentence says, that x is the deviation of log distribution....... Eq. 6a gives =0.77 Eq. 6b gives
lg
o

CLOSED: Not accepted

BE

3.6

ed

CLOSED: Not accepted

BE BE BE BE BE BE BE BE BE

3.6 3.7 Eq.6 Eq.6 Eq.6 3.7.2. 3.7.2 3.7.3 3.7.4

te te te te ed ed te te te

CLOSED: Not accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Not accepted

i

=0.77

= 0.15



log (

o

)

= 0.15

Looking on the Eq. in the text A=+1, and Eq. 8a =10 A-1 , it is not clear how A and are related. In Eq. 9 o apeears. Is this correct?

Corrected: =10 -1 Yes, it is

A

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Proposed change by the MB

BE

4.1,4.2 4.2

ed ed

Calculations Calculation What does "with a sum" mean?

Replaced The sentence is re-formed. 4.2 Calculation of N mission versions ­ n "random" SEP events being calculated for each of version. The cumulative fluences F(E) of every version are the sum of fluences each from n events, the peak flux of version f(e) is maximum peak flux from all n events. It is debatable problem. By authors calculation, the difference in results (fluences or peak fluxes) in case of using these different distributions at =8 is very small. Corrected Corrected The Equation is valid for Gaussian approximation

CLOSED: Accepted CLOSED: Accepted

ge

I still do not agree that the Poisson distribution can be approximated with the Gaussian distribution, when 8. I think the mean value shoult at least be 12 There is mistake in Equation 11 form. werewhere

BE BE BE

Eq.11 Eq.11 Next line The same line

te te ge

CLOSED: Accepted CLOSED: Accepted CLOSED: Not accepted

=

n . It is correct in case of a Poisson distribution.

Is it still valid if the Gaussian approximation is used. ge If the number of events follows a Poisson distribution (i.e.random interval between occurences), why is it dependent on the sunspot number? I can agree< that for "short"missions the mean of distribution can depend on the solat activity level, and aPoisson distribution can be used. I only ask if it is still can be applaied the mission duration extend more years, including Solar min and max, and where the number ofevents is "automatically controlled by Eq.1. Is the mean Sunspot number still a good, unbiased estimation for the number of events? Typo the units of f30 (space) ????? "event" "events" If the mission duration extend more years, including Solar min and max, and you are interested in minimum period separately, it needed to calculate seperately the fluences (peak fuxes) for full mission and separatly for the periods, in what you are interested (for example minimum years or part of them).
CLOSED: Not accepted

BE

Be

4.2.2

ed

Corrected to "events".

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Proposed change by the MB

BE BE

4.2.3 4.2.3

The Monte-Carlo method is used o.... The indetation of point 3 is not consistent with tho others, and this one should be ended by a point and not a semicolon. Integration to infinity: formula looks simple. How do to it on a compoter? I use Romberg's adaptive integration method, but with integration points equal in 1/x rather than in x. Thisallows to numerically integrate from any positive value to infinity. Does this look a valid procedure? ... is found for each of the each mission version......? Eq. 14 uses the symbol . How should this be interpreted? ......selected energies Ek.......I guess the best way is to select them in a geometrical series, but how many values should be used? ....fluxes with a step....... ...... proton fluences or peak fluxes.... .......values for where...... .......the sizes of the proton fluences.... Incomprehensible Notation of integral/differential fluence/peak flux is unclear .... StandardSpecification

Perhaps these are refrees computer program errors Corrected

CLOSED: Not accepted CLOSED: Accepted

BE

4.2.4

The numerical integration is recommendby small logarithmically equal intervals of E.

CLOSED: Accepted

BE BE BE

4.2.5 Eq. 14 4.2.5

There is no such sentence in original Is it not logical symbol to choise one from multitude? This point and the following points up to point 4.2.6 are re-formed for achievement larger clarity.

CLOSED:Notacepted

CLOSED: Accepted

BE BE BE BE BE BE BE

4.2.4.1 4.2.4.2 4.2.4.3 4.2.4 4.2.5 4.2.6 5.1

-.-.-.-.-.-.Corrected

CLOSED: Accepted

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Proposed change by the MB

BE

5.1

Most frequently used integral probability sequence: No ideea, but ECSS-E-10-04 lisis the values 0.50, 0.75, 0.9, 0.95, and o.99. The list given in the TS also contains less values than in previous version. The information is presented to be the parameters The information presented consist of the parameters... .... Formulas....Throuth the document Eq. and Eq.s isused Calculation three parameters Calculation of three parameters Tables 4-6 for proton peak fluxes; Tables 4-6 for proton peak fluxes. + extra lline feed after this line?

The most frequently used integral probability sequence should be fixed on the final stage of the discussion, according presentation of the national delegations. Corrected Corrected Corrected Corrected Depends from needed exactness of the result. It's a users problem

CLOSED: Accepted

BE BE BE BE BE

5.1 5.1 5.1.2 5.1.2 5.1.2

CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Accepted CLOSED: Not accepted

Be

Table 1

Interpolating the tabulated data: How? Linear interpolation? So far, I have used the bi-cubic normal spline interpolation. Again,the semicolon should be a period. The values, given for =2 and =0.5 (5.77 E+07)......look quite strange.... .....
The case where =512 has disappeared from all tables, as well as the cases =0.05and 0.316

The data in Tables 1,2,3 are recalculated and noticed errors corrected

CLOSED: Accepted

Tables

The =512 corresponds to the 3 SA long

missions, and don't have a practice significance. About = see above (5.1)

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