First lidar observations of mesospheric hydroxyl

被引:13
作者
Brinksma, EJ
Meijer, YJ
McDermid, IS
Cageao, RP
Bergwerff, JB
Swart, DPJ
Ubachs, W
Matthews, WA
Hogervorst, W
Hovenier, JW
机构
[1] Free Univ Amsterdam, Dept Phys & Astron, NL-1081 HV Amsterdam, Netherlands
[2] CALTECH, Jet Prop Lab, Table Mt Facil, Wrightwood, CA 92397 USA
[3] Natl Inst Publ Hlth & Environm, Air Res Lab, NL-3720 BA Bilthoven, Netherlands
[4] Natl Inst Water & Atmospher Res Ltd, Lauder, New Zealand
关键词
D O I
10.1029/97GL53561
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Ground-based lidars have been used to detect and identify ground-state (v "=0) hydroxyl radicals (OH) in the mesosphere between about 75 and 85 km altitude. These lidars operate near 308 nm and OH is observed through laser-induced-fluorescence on the A(2) Sigma(+)-X-2 Pi(0, 0) band. The results expose a valuable global set of nighttime OH observations, since existing long-term lidar data at several NDSC sites contain the (serendipitous) OH information. Results of lidar observations are presented from two mid-latitude sites, one in each hemisphere: Table Mountain (34 degrees N), California, and Lauder (45 degrees S), New Zealand. They show observations of a geometrically thin (similar to 3 km) nocturnal layer of OH near 80 km. For the Table Mountain observations, the derived values for the OH density at 80 km typically are 2 - 4 x 10(5) cm(-3) which is in accordance with model predictions [Dodd et al., 1994]. The temporal behavior of the mesospheric OH signal, following sunset; that was found, supports previous model predictions [Alien et al., 1984] in a qualitative fashion.
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收藏
页码:51 / 54
页数:4
相关论文
共 15 条
[1]   THE VERTICAL-DISTRIBUTION OF OZONE IN THE MESOSPHERE AND LOWER THERMOSPHERE [J].
ALLEN, M ;
LUNINE, JI ;
YUNG, YL .
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1984, 89 (ND3) :4841-4872
[2]   ROCKET-BORNE ULTRAVIOLET SPECTROMETER MEASUREMENT OF OH RESONANCE FLUORESCENCE WITH A DIFFUSIVE TRANSPORT MODEL FOR MESOSPHERIC PHOTOCHEMISTRY [J].
ANDERSON, JG .
JOURNAL OF GEOPHYSICAL RESEARCH, 1971, 76 (19) :4634-+
[3]   ROCKET MEASUREMENT OF OH IN MESOSPHERE [J].
ANDERSON, JG .
JOURNAL OF GEOPHYSICAL RESEARCH, 1971, 76 (31) :7820-+
[4]   Calculated hydroxyl A(2)Sigma->X-2 Pi(0,0) band emission rate factors applicable to atmospheric spectroscopy [J].
Cageao, RP ;
Ha, YL ;
Jiang, Y ;
Morgan, MF ;
Yung, YL ;
Sander, SP .
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1997, 57 (05) :703-717
[5]   Satellite measurements of hydroxyl in the mesosphere [J].
Conway, RR ;
Stevens, MH ;
Cardon, JG ;
Zasadil, SE ;
Brown, CM ;
Morrill, JS ;
Mount, GH .
GEOPHYSICAL RESEARCH LETTERS, 1996, 23 (16) :2093-2096
[6]  
DAAN PJS, 1994, 17 INT LAS RAD C SEN, P405
[7]  
Demtro?der W, 1982, Laser spectroscopy, Vsecond
[8]   ANALYSIS OF HYDROXYL EARTHLIMB AIRGLOW EMISSIONS - KINETIC-MODEL FOR STATE-TO-STATE DYNAMICS OF OH(V,N) [J].
DODD, JA ;
LIPSON, SJ ;
LOWELL, JR ;
ARMSTRONG, PS ;
BLUMBERG, WAM ;
NADILE, RM ;
ADLERGOLDEN, SM ;
MARINELLI, WJ ;
HOLTZCLAW, KW ;
GREEN, BD .
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1994, 99 (D2) :3559-3585
[9]   RADIATIVE AND PREDISSOCIATIVE LIFETIMES OF V'=0,1, AND 2 LEVELS OF A2SIGMA+ STATE OF OH AND OD [J].
GERMAN, KR .
JOURNAL OF CHEMICAL PHYSICS, 1975, 63 (12) :5252-5255
[10]   GROUND-BASED LASER DIAL SYSTEM FOR LONG-TERM MEASUREMENTS OF STRATOSPHERIC OZONE [J].
MCDERMID, IS ;
GODIN, SM ;
LINDQVIST, LO .
APPLIED OPTICS, 1990, 29 (25) :3603-3612