JUPITER - EVIDENCE FOR A PHOSPHINE ENHANCEMENT AT HIGH NORTHERN LATITUDES

被引:35
作者
DROSSART, P
LELLOUCH, E
BEZARD, B
MAILLARD, JP
TARRAGO, G
机构
[1] UNIV PARIS 11,INFRAROUGE LAB,F-91405 ORSAY,FRANCE
[2] INST ASTROPHYS,F-75014 PARIS,FRANCE
关键词
D O I
10.1016/0019-1035(90)90018-5
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
High-resolution observations of the Q branch of the 2ν2 band of phosphine at 1972 cm-1 on Jupiter show an enhancement of the PH3 concentration in the deep troposphere (p≥1 bar) by about 60% at high Northern (∼50°N) latitudes compared to both the North Equatorial Belt and the Great Red Spot. Difference in photochemistry or in deep vertical diffusion of PH3 could be involved to interpret such variations. © 1990.
引用
收藏
页码:248 / 253
页数:6
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