STUDY OF COSMIC RAY PRODUCED SHORTLIVED P$sup 32$, P$sup 33$, Be$sup 7$, AND S$sup 35$ IN TROPICAL LATITUDES

Journal Article · Thu Jan 01 04:00:00 EST 1959 · Tellus (Sweden)

DOI:https://doi.org/10.1111/j.2153-3490.1959.tb00008.x· OSTI ID:4781968

Goel, P S; Narasappaya, N; Prabhakara, C; Thor, R; Zutshi, P K

ABS>The fall-out rate of the four short-lived isotopes P/sup 32/, ons of cosmic ray particles with air nuclei, is measured at a number of stations in India and compared with the calculated rate of production. In the case of Be/sup 7/, the agreement between the calculated and measured values is good. The fall- out rates of P/sup 32/ and P/sup 33/ are not inconsistent with the calculated values; that of S35, however, is about five times higher than expected. The absolute concentrations of an individual isotope in various rainfalls are found to vary by more than a factor of forty; relative concentrations of the different isotopes, however, stay within fairly narrow limits. The ratio of the concentration of Be/sup 7/ to that of P/sup 32/ in individual rain samples is used to determine the periods for which various air masses are irradiated in the interval between two successive precipitations. The mean period of irradiation is found to be about thirty-five days. The results are consistent with the view that, in these tropical latitudes~ intrusions of stratospheric air into the troposphere are either rare or weak in intensity. (auth)

• Research Organization: Tata Inst. of Fundamental Research, Bombay
• Sponsoring Organization: USDOE
• NSA Number: NSA-16-016589
• OSTI ID: 4781968
• Journal Information: Tellus (Sweden), Journal Name: Tellus (Sweden) Vol. Vol: 11: No. 1; ISSN TELLA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ADSORPTION
AIR
ATMOSPHERE
BERYLLIUM 7
CORROSION
COSMIC RADIATION
CRACKS
DISTRIBUTION
FALLOUT
FILMS
GEOLOGY, MINERALOGY, AND METEOROLOGY
HIGH TEMPERATURE
INTERACTIONS
MECHANICS
MIXING
NUCLEI
OXIDES
PHOSPHORUS 32
PHOSPHORUS 33
QUANTITY RATIO
RAIN
STEAM
STRATOSPHERE
SULFUR 35
SURFACES
VARIATIONS
WATER
ZIRCONIUM
ZIRCONIUM ALLOYS