South African Journal of Antarctic Research
Suid-Afrikaanse Tydskrif vir Antarktiese Navorsing
A South African National Antarttic Publica- tion issued under the auspices of the Scien- tific Committee for Antarctic Research, P.O.
Box 395, Pretoria, Republic of South Africa.
'n Suid-Atrikaanse Nasionale Antarktiese Publikasie uitgegee onder beskerming van die Wetenskaplike Komitee vir Antarktiese Navorsing, Posbus 396, Pretoria, Republiek van Suid-Afrika.
Price/Prys: R2,00 Scientific Editor:
Wetenskaplike Redakteur: R.W. Vice All contributions and correspondent::e to be addressed to the Editor, P.O. Box 3718, Johannesburg.
Aile bydraes en korrespondensie moet gerig word aan die Redakteur, Posbus 3718, Johannesburg.
Produced and distributed by the Publishing Division, CSIR, P.O. Box 395, Pretoria.
Versorg en versprei deur die Publikasieaf·
deling, WNNR, Posbus 395, Pretoria.
Printed in the Republic of South Africa
by
Heer Printing Co. (Ply.) Ltd., P.O. Box 2655, PretoriaIn die Republiek van Suid-Atrika gedruk deur Heer Drukkers Kie. (Edms.) Bpk., Posbus 2655, Pretoria.
No.3 1973 Contents - lnhoud
Research Conununications/
Navorsings:m.ededelinge
Page/Biadry
The geology of the Nashornet- Viddal- skollen area, \Vestern Dronning Maud
Land .
J
H Brede//Temperature profiles obtained from boreholes on the ice shelf in the vici- nity of Sanae, western Drenning
2
Maud Land . . A d1t Plessis 11
Ten-metre snow studies at Grunehogna
Base, western Dronning 1laud Land
J
1-l Brede/1 Pulsation phenomena observed duringa magnetospheric substorm at Sanae P R Stttc!iffe Some aspects of Sq at Sanae G
J
Kiihn andP R Stttc!iffe Horizontal heat conduction during elec-
tron precipitation :into the upper at-
16
22 26
mosphere .
J
A Gledhill 33'fhe use of the neutron moderated detec-
tor for analysing cosmic ray events . PH Stoker and 38 The effect of the rising snow level on
the counting rate of the Sanae neutron
C FW' Mischke
monitor .
J
N Kriel, 42Short Reports/Kort Berigte
Radio echo sounding in western Dron-
C F fV Mischke a11d PH Stoker
ning 1Iaud Land, 1971 TG Schaefer 45 Radio echo sounding in western Dron-
ning I\'faud Land, 1972 . RB tall Z)'l 53 The second South African Biological
Expedition to Marion Island, 1971-72 EM IJalt Zinderm 60 Bakker Sr.
Nitrogen .fi.'>ation in the algal mires on.
Marion Island . RL Cro0111e 64
Notes and News/Nuus en Notas
South African representation at international meetings in
1973 68
International meetings to be held in 1974 68 South African Scientific Com1nittee for Antarctic Research
(SASCAR) 1973 68
South African members of SCAR Working Groups . 69 Sduth African National Antarctic Research Programmes
1972-73 69
Members of the 14th South African National Antarctic
Expedition 1973-1974 70
1lembers of the 30th South African Expedition to Marion
Island 1973-1974 71
Members of the 4th South African Biological Expedition to
Marion Island 1973~1974 71
