Download - Cs-137 – radijus 30 i 60 km
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Cs-137 – radijus 30 i 60 km
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Ukrajina – Cs-137
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Bjelorusija – Cs-137
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Bivši SSSR – Cs-137
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Populacija na kontaminiranom području – 1987.
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Rasprostranjenost radijacije - prije
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Rasprostranjivanje radioaktivnosti
• 1 - 26.4. - 0:00h
• 2 - 27.4. - 0:00h
• 3 - 27.4. - 12:00h
• 4 - 29.4. - 0:00h
• 5 - 2.5. - 0:00h
• 6 - 4.5. - 12:00h
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Rasprostranjivanje radioaktivnosti
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Rasprostranjenost radijacije - poslije
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Pu – koncentracija veća od 3.7kBq/m2
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Sr-90
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I-131
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Sakupljanje podataka• filmske značke
• termo - luminiscentni dozimetri
• ozračenost cijelog tijela
• ozračenost štitne žlijezde
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Ugroženost od malih doza
• linearna hipoteza• rak štitne žlijezde• leukemija• očne bolesti• rak kostiju• utjecaj na kromosome• mentalno i psihičko zdravlje
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Štitna žlijezda
• preko 4000 registrirane djece do 2002. godine
• 90-95% stopa preživljavanja
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Mentalno i psihičko zdravlje
• istraživanja pokazuju da je nivo tjeskobe dvostruko veći nego kod kontrolne skupine
• 3-4 puta je veća vjerojatnost da se žale na neobjašnjive fizičke simptome i loše zdravlje
• generalno je mišljenje te populacije da su žrtve i kao takve za sve krive Černobilj
• nemaju osjećaj kontrole svoje sudbine
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Oporavak• do kraja 1990-ih vlasti su dale više od 50 različitih
privilegija za černobiljske žrtve• u Bjelorusiji gotovo 500 000 ljudi, od kojih 400
000 djece ima pravo na besplatan odmor od 2000. na dalje
• u Ukraini vlast je financirala 0.4-0.5 mil. zdravstvenih odmora između 1994. i 2000. godine
• Od stranih zemalja isto tako imaju pravo na besplatan zdravstveni odmor (skandinavske zemlje)
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Kolektivna doza
• ukupna doza do 2005. godine bez doze za štitnu žlijezdu
• ukupna doza za štitnu žlijezdu do 2005. godine
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Kolektivna doza - usporedbe
razlike su nastale zbog :• neodređenosti• drugačije klasifikacije kontaminiranog područja
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Buduća smrtnost
• IAEA – do 2005. godine
• Cardis et al – do 2056. godine
• Malko – do kraja života
• US DoE – do 2036. godine• UNSCEAR – do 2056. godine izračunato s modelom korištenim u TORCH studiji (600 000 manSv)
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Ekološke posljedice
• hrana
• biljna i životinjska staništa
• voda
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Biljke
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Ribe
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Černobiljski eko-paradoks
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• Bjelorepi orao – povećana populacija
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• porast broja divljih životinja
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Slike napuštenih gradova
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Sarkofag
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Mjerenje pored sarkofaga
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• potrebno je trajno rješenje za sarkofag
• 20 godina ostavilo je posljedice
• postoji malo ali konstantno curenje radioaktivnosti:– 10 GBq/god – Cs-137 – 0.1 GBq/god – plutonij i ostali transurani
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Budućnost
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Elektrana Elektrana danas
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