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Manchanda, R. K.; Agrawal, P. C.; Biswas, S.; Gokhale, G. S.; Kunte, P. K.; Sreekantan, B. V. (2011)
Publisher: Co-Action Publishing
Journal: Tellus A
Languages: English
Types: Article
Subjects:
In a balloon flight from Hyderabad, India on 28th April, 1968 with an X-ray telescope recording X-rays in the energy band 16–125 KeV, two stratified layers of high radioactivity in the atmosphere were observed at an altitude of 16–20 km. The excess radiation was concentrated in the layers located at 16.4–17.2 km and 18.6–20.1 km separated by a region of normal counting rate. The two distinct layers of excess radiation were recorded in all the six different energy channels and the energy spectrum of the excess radiation was measured. A subsequent balloon flight from the same location with the same instrument on December 22, 1968 did not show any excess radioactivity in the atmosphere. It is concluded that the excess atmospheric radioactivity on April 28, 1968 origimated from the global fallout from the nuclear detonation, presumably from the air burst by China on June 17, 1967. The interesting aspect of the present observations is the occurrence of stratified layers of activity in the tropopause region near equator several months after the explosion.DOI: 10.1111/j.2153-3490.1971.tb00589.x
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • Hardy, E. P. Jr & Rivera, J. 1969. Fall-out program, quarterly summary report, March I-June 1, 1969, Health and Safety Lab. Report No. 210, July 1, 1969, p. 232. New York Operation Office, A.E.C.
    • Hardy, E, P. Jr. 1970. Fall-out program quarterly summary report, March 1,1970, Health and Safety Lab. Report No. 227, 1 July 1970, p. 190. New York Operations Office, A.E.C.
    • Rangarajan, C. & Gopalakrishnan, S. 1969. Transport and intor-homispheric mixing of radioactive debris from recent nuclear tests. Bhabha Atomic Research Centre (Bombay) Report No. 393.
    • ATMOCl1>EPE HA,ll, XAfi,ll,EPAEA,ll,OM, I1H,ll,I1A, B AIlPEJIE 1968 r Bo BpeMH nOJIeTa crparocrara HaA Xaanepa6aAoM 28 anpena 1968 r. C penerenoncxua TeJIeCHOnOM, perHcTpHpYIO~HM penrr-enoacnae JIyqH B HHTepBaJIe 3HeprHit 16-125 ~3B 6M~H orinapyacener ABa CJIOH BblCOHOit paAHoaHTHBHOCTH na aucorax 16-20 ,.,M,. Ilouuiuenuaa paAHaQHH 6blJIa cHOHQeHTpHpoBaHa B CJIOllX, pacnonoacenuux na nucorax 16,4-17,2 ~M H 18,6-20,1 ~M, pa3AeJIeHHbiX 06JIaCTbIO CHOpMaJIbHoit CHOpOCTblO csera. ,ll,Ba OTqeTJIHBblX CJIOll C nOBblllleHHoit panaauaen 6blJIH aaperHCTpHpOBaHHM na scex lIIeCTH pa3JIHqHbiX no 3HeprHH HaHaJIaX H 6MJI H3MepeH cneHTp 3TOit paAHaQHH. CJIeAYIO~Hit nOJIeT CTpaTOCTaTa C roro me MeCTa H TeM me o6opYAoBaHHeM 22 AeHa6pll 1968 r. He nOHa3aJI HaHOrO-JIH60 nOBMmenan paAHaQHH B arwocrpepe. CAeJIaH BbIBOA, qTO nousnuenaaa paAHoaHTHBHoCTb 28 anpena 1968 r-. npoHCXOAHJIa H3-3a rJI06aJIbHOrO BbInaAeHHH npoAyHToB anepaoro sapsraa, npennOJIOmHTeJIbHO, HHTaitcHoro B3pbIBa B aTMOcrpepe 17 HIOHll 1967 r. I1HTepecHMM acnexrox AaHHMX Ha6JIIOAeHHit llBJIlleTCll orinapyaceaae cTpaTHtPHQHpOBaHHblx aHTHBHblX CJIOeB B 06­ JIaCTH 3HBaTOpHaJIbHoit TpononaY3M qepe3 HeCHOJIbHO MeCHQeB nOCJIe B3pMBa.
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