Sažetak

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Gnuplot script:

# data source: http://www.temis.nl/uvradiation/info/uvindex.html
# solar spectrum: in Netherlands, noon, clear blue sky

action(l) = (l<297) ? 1 : ((l<327) ? 0.0015**((l-297)/30) : 1.5e-3*(1.2e-4/1.5e-3)**((l-327)/73))

set xlabel 'Wavelength (nm)'
set ylabel 'Irradiance (W/m^2/nm)'

set xrange [280:390]
set yrange [8e-5:2]
set log y
set grid
set style data lines
set nokey
set label 'Sunlight spectrum' at 330,0.3
set label "Erythemal action\nspectrum" at 320,0.025
set label 'Effective spectrum' at 300,2.5e-4

set terminal svg enhanced fsize 18
set output 'erythemal_spectrum.svg'

plot \
 'sunNL.dat', \
  action(x), \
  'sunNL.dat' using 1:(action($1)*$2)

unset output

Datafile sunNL.dat:

295 1e-4
300 3e-3
305 3.1e-2
310 0.1
315 0.2
320 0.3
325 0.42
330 0.48
340 0.55
350 0.60
365 0.65

Licenciranje

Dozvoljeno je kopirati, distribuirati i/ili mijenjati ovaj članak pod uslovima navedenim u GNU licenci za slobodnu dokumentaciju, verzija 1.2 ili kasnijom verzijom izdatom od Free Software Foundation; bez nepromjenljivih dijelova, te bez sadržaja na naslovnoj i zadnjoj strani. Kopija licence se nalazi pod poglavljem GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

	Ova datoteka je licencirana pod Creative Commons Attribution-Share Alike 3.0 neportiranom licencom.
	Slobodni ste: da dijelite – da kopirate, distributirate i prenosite djelo da remiksate – da prilagodite djelo Pod sljedećim uslovima: pripisivanje – Morate pripisati odgovarajuće autorske zasluge, osigurati link ka licenci i naznačiti jesu li napravljene izmjene. To možete uraditi na bilo koji razumni način, ali ne tako da se sugerira da davalac licence odobrava Vas ili Vašu upotrebu njegovog djela. dijeli pod istim uslovima – Ako mijenjate, transformišete ili nadograđujete ovaj materijal, morate ga objaviti i distribuirati samo pod istom ili sličnom licencom poput ove.
	Ova oznaka licence je dodana na ovu datoteku kao dio GFDL ažuriranja licence.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue

Originalni zapisnik postavljanja

Transferred from en.wikipedia to Commons by Leyo using CommonsHelper.

• 2006-07-10 22:30 Hankwang 600×480× (8848 bytes) Reference: http://www.temis.nl/uvradiation/info/uvindex.html