Validation of UARS microwave limb sounder 183 GHz H2O measurements

被引:34
作者
Lahoz, WA
Suttie, MR
Froidevaux, L
Harwood, RS
Lau, CL
Lungu, TA
Peckham, GE
Pumphrey, HC
Read, WG
Shippony, Z
Suttie, RA
Waters, JW
Nedoluha, GE
Oltmans, SJ
Russell, JM
Traub, WA
机构
[1] CALTECH, JET PROP LAB, PASADENA, CA 91109 USA
[2] UNIV READING, DEPT METEOROL, CGAM, READING RG6 2AU, BERKS, ENGLAND
[3] HERIOT WATT UNIV, DEPT PHYS, EDINBURGH EH14 4AS, MIDLOTHIAN, SCOTLAND
[4] USN, RES LAB, WASHINGTON, DC 20375 USA
[5] NASA, LANGLEY RES CTR, HAMPTON, VA 23665 USA
[6] NOAA, CLIMATE MONITORING & DIAGNOST LAB, BOULDER, CO 80303 USA
[7] HARVARD SMITHSONIAN CTR ASTROPHYS, CAMBRIDGE, MA 02138 USA
关键词
D O I
10.1029/95JD01703
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
The Upper Atmosphere Research Satellite (UARS) microwave limb sounder (MLS) makes measurements of thermal emission at 183.3 GHz which are used to infer the concentration of water vapor over a pressure range of 46 - 0.2 hPa (similar to 20 to similar to 60 km). We provide a validation of MLS H2O by analyzing the integrity of the measurements, by providing an error characterization, and by comparison with data from other instruments. It is estimated that version 3 MLS H2O retrievals are accurate to within 20-25 % in the lower stratosphere and to within 8-13 % in the upper stratosphere and lower mesosphere, The precision of a single profile is estimated to be similar to 0.15 parts per million by volume (ppmv) in the midstratosphere and 0.2 ppmv in the lower and upper stratosphere, In the lower mesosphere the estimate of a single profile precision is 0.25-0.45 ppmv. During polar winter conditions, H2O retrievals at 46 hPa can have a substantial contribution from climatology. The vertical resolution of MLS H2O retrievals is similar to 5 km.
引用
收藏
页码:10129 / 10149
页数:21
相关论文
共 30 条
  • [1] UNIQUENESS IN INVERSION OF INACCURATE GROSS EARTH DATA
    BACKUS, G
    GILBERT, F
    [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1970, 266 (1173) : 123 - &
  • [2] THE UPPER-ATMOSPHERE RESEARCH SATELLITE MICROWAVE LIMB SOUNDER INSTRUMENT
    BARATH, FT
    CHAVEZ, MC
    COFIELD, RE
    FLOWER, DA
    FRERKING, MA
    GRAM, MB
    HARRIS, WM
    HOLDEN, JR
    JARNOT, RF
    KLOEZEMAN, WG
    KLOSE, GJ
    LAU, GKK
    LOO, MS
    MADDISON, BJ
    MATTAUCH, RJ
    MCKINNEY, RP
    PECKHAM, GE
    PICKETT, HM
    SIEBES, G
    SOLTIS, FS
    SUTTIE, RA
    TARSALA, JA
    WATERS, JW
    WILSON, WJ
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1993, 98 (D6) : 10751 - 10762
  • [3] BARNETT JJ, 1989, HDB MIDDLE ATMOSPHER
  • [4] TEMPERATURE AND PERTURBER DEPENDENCES OF WATER-VAPOR LINE-BROADENING - EXPERIMENTS AT 183 GHZ - CALCULATIONS BELOW 1000 GHZ
    BAUER, A
    GODON, M
    KHEDDAR, M
    HARTMANN, JM
    [J]. JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1989, 41 (01) : 49 - 54
  • [5] MEASUREMENTS OF MESOSPHERIC WATER-VAPOR IN 1984 AND 1985 - RESULTS AND IMPLICATIONS FOR MIDDLE ATMOSPHERIC TRANSPORT
    BEVILACQUA, RM
    WILSON, WJ
    SCHWARTZ, PR
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1987, 92 (D6) : 6679 - 6690
  • [6] POSSIBLE SEASONAL VARIABILITY OF MESOSPHERIC WATER-VAPOR
    BEVILACQUA, RM
    WILSON, WJ
    RICKETTS, WB
    SCHWARTZ, PR
    HOWARD, RJ
    [J]. GEOPHYSICAL RESEARCH LETTERS, 1985, 12 (06) : 397 - 400
  • [7] Bevington R., 1969, DATA REDUCTION ERROR
  • [8] THE PRESSURE BROADENING OF THE 31,3-22,0 TRANSITION OF WATER BETWEEN 80-K AND 600-K
    GOYETTE, TM
    DELUCIA, FC
    [J]. JOURNAL OF MOLECULAR SPECTROSCOPY, 1990, 143 (02) : 346 - 358
  • [10] SMITHSONIAN STRATOSPHERIC FAR-INFRARED SPECTROMETER AND DATA REDUCTION SYSTEM
    JOHNSON, DG
    JUCKS, KW
    TRAUB, WA
    CHANCE, KV
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1995, 100 (D2) : 3091 - 3106