Observing Atmosphere and Climate with Occultation Techniques - Results from the OPAC-IROWG 2013 Workshop
Observing Atmosphere and Climate with Occultation Techniques - Results from the OPAC-IROWG 2013 Workshop
Editor(s): U. Foelsche, A. K. Steiner, R. Anthes, J.-Y. Liu, A. von Engeln, and S. Bühler
Use of the occultations for observing the Earth’s atmosphere and climate meanwhile comprises solar, lunar, stellar, navigation and satellite-crosslink methods, employing the electromagnetic spectrum from UV to Radio signals, to obtain atmospheric parameters from bending angle, refractivity, pressure, geopotential height, temperature, water vapour and ozone via a multitude of important trace species to particulate species such as aerosols and cloud liquid water. Ionospheric electron density is sensed as well.

Occultation methods share the unique properties of self-calibration, high accuracy and vertical resolution, global coverage, and, if using radio signals, all-weather capability. They thus bear great utility for meteorology and climate science, and other fields.

The OPAC-IROWG-1 2013 Workshop brought together members from the different sub-communities and users of occultation data. The present AMT special issue is dedicated to the results of this conference.

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14 Oct 2015
A perspective on the fundamental quality of GPS radio occultation data
T.-K. Wee and Y.-H. Kuo
Atmos. Meas. Tech., 8, 4281–4294, https://doi.org/10.5194/amt-8-4281-2015,https://doi.org/10.5194/amt-8-4281-2015, 2015
25 Aug 2015
Dynamic statistical optimization of GNSS radio occultation bending angles: advanced algorithm and performance analysis
Y. Li, G. Kirchengast, B. Scherllin-Pirscher, R. Norman, Y. B. Yuan, J. Fritzer, M. Schwaerz, and K. Zhang
Atmos. Meas. Tech., 8, 3447–3465, https://doi.org/10.5194/amt-8-3447-2015,https://doi.org/10.5194/amt-8-3447-2015, 2015
Short summary
21 Aug 2015
A modification to the standard ionospheric correction method used in GPS radio occultation
S. B. Healy and I. D. Culverwell
Atmos. Meas. Tech., 8, 3385–3393, https://doi.org/10.5194/amt-8-3385-2015,https://doi.org/10.5194/amt-8-3385-2015, 2015
Short summary
21 Aug 2015
A simulation study with a new residual ionospheric error model for GPS radio occultation climatologies
J. Danzer, S. B. Healy, and I. D. Culverwell
Atmos. Meas. Tech., 8, 3395–3404, https://doi.org/10.5194/amt-8-3395-2015,https://doi.org/10.5194/amt-8-3395-2015, 2015
14 Aug 2015
Retrieval and validation of carbon dioxide, methane and water vapor for the Canary Islands IR-laser occultation experiment
V. Proschek, G. Kirchengast, S. Schweitzer, J. S. A. Brooke, P. F. Bernath, C. B. Thomas, J.-G. Wang, K. A. Tereszchuk, G. González Abad, R. J. Hargreaves, C. A. Beale, J. J. Harrison, P. A. Martin, V. L. Kasyutich, C. Gerbig, O. Kolle, and A. Loescher
Atmos. Meas. Tech., 8, 3315–3336, https://doi.org/10.5194/amt-8-3315-2015,https://doi.org/10.5194/amt-8-3315-2015, 2015
03 Aug 2015
Electron density profiles probed by radio occultation of FORMOSAT-7/COSMIC-2 at 520 and 800 km altitude
J. Y. Liu, C. Y. Lin, and H. F. Tsai
Atmos. Meas. Tech., 8, 3069–3074, https://doi.org/10.5194/amt-8-3069-2015,https://doi.org/10.5194/amt-8-3069-2015, 2015
29 Jul 2015
Quantifying residual ionospheric errors in GNSS radio occultation bending angles based on ensembles of profiles from end-to-end simulations
C. L. Liu, G. Kirchengast, K. Zhang, R. Norman, Y. Li, S. C. Zhang, J. Fritzer, M. Schwaerz, S. Q. Wu, and Z. X. Tan
Atmos. Meas. Tech., 8, 2999–3019, https://doi.org/10.5194/amt-8-2999-2015,https://doi.org/10.5194/amt-8-2999-2015, 2015
17 Jul 2015
Application of the locality principle to radio occultation studies of the Earth's atmosphere and ionosphere
A. G. Pavelyev, Y. A. Liou, S. S. Matyugov, A. A. Pavelyev, V. N. Gubenko, K. Zhang, and Y. Kuleshov
Atmos. Meas. Tech., 8, 2885–2899, https://doi.org/10.5194/amt-8-2885-2015,https://doi.org/10.5194/amt-8-2885-2015, 2015
16 Jul 2015
Use of radio occultation to probe the high-latitude ionosphere
A. J. Mannucci, B. T. Tsurutani, O. Verkhoglyadova, A. Komjathy, and X. Pi
Atmos. Meas. Tech., 8, 2789–2800, https://doi.org/10.5194/amt-8-2789-2015,https://doi.org/10.5194/amt-8-2789-2015, 2015
Short summary
16 Jul 2015
Profiling wind and greenhouse gases by infrared-laser occultation: results from end-to-end simulations in windy air
A. Plach, V. Proschek, and G. Kirchengast
Atmos. Meas. Tech., 8, 2813–2825, https://doi.org/10.5194/amt-8-2813-2015,https://doi.org/10.5194/amt-8-2813-2015, 2015
Short summary
23 Jun 2015
Systematic evaluation of the impacts of GPSRO data on the prediction of typhoons over the northwestern Pacific in 2008–2010
Y.-C. Chen, M.-E. Hsieh, L.-F. Hsiao, Y.-H. Kuo, M.-J. Yang, C.-Y. Huang, and C.-S. Lee
Atmos. Meas. Tech., 8, 2531–2542, https://doi.org/10.5194/amt-8-2531-2015,https://doi.org/10.5194/amt-8-2531-2015, 2015
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24 Apr 2015
The Radio Occultation Processing Package, ROPP
I. D. Culverwell, H. W. Lewis, D. Offiler, C. Marquardt, and C. P. Burrows
Atmos. Meas. Tech., 8, 1887–1899, https://doi.org/10.5194/amt-8-1887-2015,https://doi.org/10.5194/amt-8-1887-2015, 2015
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23 Apr 2015
Climate intercomparison of GPS radio occultation, RS90/92 radiosondes and GRUAN from 2002 to 2013
F. Ladstädter, A. K. Steiner, M. Schwärz, and G. Kirchengast
Atmos. Meas. Tech., 8, 1819–1834, https://doi.org/10.5194/amt-8-1819-2015,https://doi.org/10.5194/amt-8-1819-2015, 2015
17 Apr 2015
On the comparisons of tropical relative humidity in the lower and middle troposphere among COSMIC radio occultations and MERRA and ECMWF data sets
P. Vergados, A. J. Mannucci, C. O. Ao, J. H. Jiang, and H. Su
Atmos. Meas. Tech., 8, 1789–1797, https://doi.org/10.5194/amt-8-1789-2015,https://doi.org/10.5194/amt-8-1789-2015, 2015
16 Mar 2015
Implementation of a GPS-RO data processing system for the KIAPS-LETKF data assimilation system
H. Kwon, J.-S. Kang, Y. Jo, and J. H. Kang
Atmos. Meas. Tech., 8, 1259–1273, https://doi.org/10.5194/amt-8-1259-2015,https://doi.org/10.5194/amt-8-1259-2015, 2015
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16 Mar 2015
Implementation of a quality control for radio occultation observations in the presence of large gradients of atmospheric refractivity
L. Cucurull
Atmos. Meas. Tech., 8, 1275–1285, https://doi.org/10.5194/amt-8-1275-2015,https://doi.org/10.5194/amt-8-1275-2015, 2015
Short summary
12 Jan 2015
Ionospheric assimilation of radio occultation and ground-based GPS data using non-stationary background model error covariance
C. Y. Lin, T. Matsuo, J. Y. Liu, C. H. Lin, H. F. Tsai, and E. A. Araujo-Pradere
Atmos. Meas. Tech., 8, 171–182, https://doi.org/10.5194/amt-8-171-2015,https://doi.org/10.5194/amt-8-171-2015, 2015
Short summary
12 Jan 2015
Case study on complex sporadic E layers observed by GPS radio occultations
X. Yue, W. S. Schreiner, Z. Zeng, Y.-H. Kuo, and X. Xue
Atmos. Meas. Tech., 8, 225–236, https://doi.org/10.5194/amt-8-225-2015,https://doi.org/10.5194/amt-8-225-2015, 2015
Short summary
09 Jan 2015
Generation of a bending angle radio occultation climatology (BAROCLIM) and its use in radio occultation retrievals
B. Scherllin-Pirscher, S. Syndergaard, U. Foelsche, and K. B. Lauritsen
Atmos. Meas. Tech., 8, 109–124, https://doi.org/10.5194/amt-8-109-2015,https://doi.org/10.5194/amt-8-109-2015, 2015
03 Dec 2014
Analysis of internal gravity waves with GPS RO density profiles
P. Šácha, U. Foelsche, and P. Pišoft
Atmos. Meas. Tech., 7, 4123–4132, https://doi.org/10.5194/amt-7-4123-2014,https://doi.org/10.5194/amt-7-4123-2014, 2014
Short summary
02 Dec 2014
CHAMP climate data based on the inversion of monthly average bending angles
J. Danzer, H. Gleisner, and S. B. Healy
Atmos. Meas. Tech., 7, 4071–4079, https://doi.org/10.5194/amt-7-4071-2014,https://doi.org/10.5194/amt-7-4071-2014, 2014
26 Nov 2014
Assimilation of GNSS radio occultation observations in GRAPES
Y. Liu and J. Xue
Atmos. Meas. Tech., 7, 3935–3946, https://doi.org/10.5194/amt-7-3935-2014,https://doi.org/10.5194/amt-7-3935-2014, 2014
26 Nov 2014
Characteristics of tropopause parameters as observed with GPS radio occultation
T. Rieckh, B. Scherllin-Pirscher, F. Ladstädter, and U. Foelsche
Atmos. Meas. Tech., 7, 3947–3958, https://doi.org/10.5194/amt-7-3947-2014,https://doi.org/10.5194/amt-7-3947-2014, 2014
Short summary
12 Nov 2014
Application of GPS radio occultation to the assessment of temperature profile retrievals from microwave and infrared sounders
M. Feltz, R. Knuteson, S. Ackerman, and H. Revercomb
Atmos. Meas. Tech., 7, 3751–3762, https://doi.org/10.5194/amt-7-3751-2014,https://doi.org/10.5194/amt-7-3751-2014, 2014
09 Oct 2014
Improving the bias characteristics of the ROPP refractivity and bending angle operators
C. P. Burrows, S. B. Healy, and I. D. Culverwell
Atmos. Meas. Tech., 7, 3445–3458, https://doi.org/10.5194/amt-7-3445-2014,https://doi.org/10.5194/amt-7-3445-2014, 2014
09 Sep 2014
Influence of changes in humidity on dry temperature in GPS RO climatologies
J. Danzer, U. Foelsche, B. Scherllin-Pirscher, and M. Schwärz
Atmos. Meas. Tech., 7, 2883–2896, https://doi.org/10.5194/amt-7-2883-2014,https://doi.org/10.5194/amt-7-2883-2014, 2014
24 Jun 2014
An introduction to the FY3 GNOS instrument and mountain-top tests
W. H. Bai, Y. Q. Sun, Q. F. Du, G. L. Yang, Z. D. Yang, P. Zhang, Y. M. Bi, X. Y. Wang, C. Cheng, and Y. Han
Atmos. Meas. Tech., 7, 1817–1823, https://doi.org/10.5194/amt-7-1817-2014,https://doi.org/10.5194/amt-7-1817-2014, 2014
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