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Mendrok, Jana
Publications (10 of 20) Show all publications
Eriksson, P. E., Jamali, M., Mendrok, J. & Buehler, S. (2015). On the microwave optical properties of randomly oriented ice hydrometeors (ed.). Paper presented at . Atmospheric Measurement Techniques, 8(5), 1913-1933
Open this publication in new window or tab >>On the microwave optical properties of randomly oriented ice hydrometeors
2015 (English)In: Atmospheric Measurement Techniques, ISSN 1867-1381, E-ISSN 1867-8548, Vol. 8, no 5, p. 1913-1933Article in journal (Refereed) Published
Abstract [en]

Microwave remote sensing is important for observing the mass of ice hydrometeors. One of the main error sources of microwave ice mass retrievals is that approximations around the shape of the particles are unavoidable. One common approach to represent particles of irregular shape is the soft particle approximation (SPA). We show that it is possible to define a SPA that mimics mean optical particles of available reference data over narrow frequency ranges, considering a single observation technique at the time, but that SPA does not work in a broader context. Most critically, the required air fraction varies with frequency and application, as well as with particle size. In addition, the air fraction matching established density parameterisations results in far too soft particles, at least for frequencies above 90 GHz. That is, alternatives to SPA must be found. One alternative was recently presented by Geer and Baordo (2014). They used a subset of the same reference data and simply selected as "shape model" the particle type giving the best overall agreement with observations. We present a way to perform the same selection of a representative particle shape but without involving assumptions on particle size distribution and actual ice mass contents. Only an assumption on the occurrence frequency of different particle shapes is still required. Our analysis leads to the same selection of representative shape as found by Geer and Baordo (2014). In addition, we show that the selected particle shape has the desired properties at higher frequencies as well as for radar applications. Finally, we demonstrate that in this context the assumption on particle shape is likely less critical when using mass equivalent diameter to characterise particle size compared to using maximum dimension, but a better understanding of the variability of size distributions is required to fully characterise the advantage. Further advancements on these subjects are presently difficult to achieve due to a lack of reference data. One main problem is that most available databases of precalculated optical properties assume completely random particle orientation, while for certain conditions a horizontal alignment is expected. In addition, the only database covering frequencies above 340 GHz has a poor representation of absorption as it is based on outdated refractive index data as well as only covering particles having a maximum dimension below 2 mm and a single temperature

National Category
Aerospace Engineering
Research subject
Atmospheric science
Identifiers
urn:nbn:se:ltu:diva-9329 (URN)10.5194/amt-8-1913-2015 (DOI)000355288900001 ()2-s2.0-84929224489 (Scopus ID)7ee04c9e-a3a0-45e5-a76c-dfb76f111b29 (Local ID)7ee04c9e-a3a0-45e5-a76c-dfb76f111b29 (Archive number)7ee04c9e-a3a0-45e5-a76c-dfb76f111b29 (OAI)
Note
Validerad; 2015; Nivå 2; 20150525 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Larsson, R., Buehler, S., Eriksson, P. & Mendrok, J. (2014). A treatment of the Zeeman effect using Stokes formalism and its implementation in the Atmospheric Radiative Transfer Simulator ARTS (ed.). Paper presented at . Journal of Quantitative Spectroscopy and Radiative Transfer, 133, 445-453
Open this publication in new window or tab >>A treatment of the Zeeman effect using Stokes formalism and its implementation in the Atmospheric Radiative Transfer Simulator ARTS
2014 (English)In: Journal of Quantitative Spectroscopy and Radiative Transfer, ISSN 0022-4073, E-ISSN 1879-1352, Vol. 133, p. 445-453Article in journal (Refereed) Published
Abstract [en]

This article presents the practical theory that was used to implement the Zeeman effect using Stokes formalism in the Atmospheric Radiative Transfer Simulator ARTS. ARTS now treats the Zeeman effect in a general manner for several gas species for all polarizations and takes into account variations in both magnetic and atmospheric fields along a full 3D geometry. We present how Zeeman splitting affects polarization in radiative transfer simulations and find that the effect may be large in Earth settings for polarized receivers in limb observing geometry. We find that not taking a spatially varying magnetic field into account can result in absolute errors in the measurement vector of at least 10 K in Earth magnetic field settings. The article also presents qualitative tests for O2 lines against previous models (61.15 GHz line) and satellite data from Odin-SMR (487.25 GHz line), and the overall consistency between previous models, satellite data, and the new ARTS Zeeman module seems encouraging.

National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
urn:nbn:se:ltu:diva-6366 (URN)10.1016/j.jqsrt.2013.09.006 (DOI)000328868800034 ()2-s2.0-84888055993 (Scopus ID)498ea1f9-5eb8-4dd3-97b2-054c3e7fe98b (Local ID)498ea1f9-5eb8-4dd3-97b2-054c3e7fe98b (Archive number)498ea1f9-5eb8-4dd3-97b2-054c3e7fe98b (OAI)
Note
Validerad; 2014; 20130918 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Nukala, M. & Mendrok, J. (2014). Analysis of light scattering by two-dimensional inhomogeneities in paper using general radiative transfer theory. Paper presented at 10TH INTERNATIONAL CONFERENCE ON MATHEMATICAL PROBLEMS IN ENGINEERING, AEROSPACE AND SCIENCES: ICNPAA 2014;15–18 July 2014; Narvik, Norway. AIP Conference Proceedings, 1637, 750-758
Open this publication in new window or tab >>Analysis of light scattering by two-dimensional inhomogeneities in paper using general radiative transfer theory
2014 (English)In: AIP Conference Proceedings, ISSN 0094-243X, E-ISSN 1551-7616, Vol. 1637, p. 750-758Article in journal (Refereed) Published
Abstract [en]

Lateral light scattering simulations of printed dots are analyzed using general radiative transfer theory. We investigated the appearance of a printed paper in relation to the medium parameters like thickness of the paper sample, its optical properties, and the asymmetry factor. It was found that the appearance of a print greatly depends on these factors making it either brighter or darker. A thicker substrate with higher single scattering albedo backed with an absorbing surface makes the dots brighter due to increased number of scattering events. Additionally, it is shown that the optical effects of print also depend on illuminating and viewing angles along with the depth of ink penetration. A larger single scattering angle implies less intensity and the dots appear much blurred due to the shadowing effect prominent when viewed from sides. A fully penetrated dot of the same extinction coefficient as a partial penetrated one is darker due to increased absorption. These results can be used in applications dealing with lateral light scattering.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2014
National Category
Aerospace Engineering
Research subject
Atmospheric science
Identifiers
urn:nbn:se:ltu:diva-71369 (URN)10.1063/1.4904647 (DOI)000347812200090 ()2-s2.0-85031863476 (Scopus ID)
Conference
10TH INTERNATIONAL CONFERENCE ON MATHEMATICAL PROBLEMS IN ENGINEERING, AEROSPACE AND SCIENCES: ICNPAA 2014;15–18 July 2014; Narvik, Norway
Note

Konferensartikel i tidskrift

Available from: 2018-10-30 Created: 2018-10-30 Last updated: 2018-10-30Bibliographically approved
Schreier, F., García, S. G., Hedelt, P., Hess, M., Mendrok, J., Vasquez, M. & Xu, J. (2014). GARLIC - a general purpose atmospheric radiative transfer line-by-line infrared-microwave code: Implementation and evaluation (ed.). Paper presented at . Journal of Quantitative Spectroscopy and Radiative Transfer, 137, 29-50
Open this publication in new window or tab >>GARLIC - a general purpose atmospheric radiative transfer line-by-line infrared-microwave code: Implementation and evaluation
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2014 (English)In: Journal of Quantitative Spectroscopy and Radiative Transfer, ISSN 0022-4073, E-ISSN 1879-1352, Vol. 137, p. 29-50Article in journal (Refereed) Published
Abstract [en]

A suite of programs for high resolution infrared-microwave atmospheric radiative transfer modeling has been developed with emphasis on efficient and reliable numerical algorithms and a modular approach appropriate for simulation and/or retrieval in a variety of applications. The Generic Atmospheric Radiation Line-by-line Infrared Code — GARLIC — is suitable for arbitrary observation geometry, instrumental field–of–view, and line shape. The core of GARLIC's subroutines constitutes the basis of forward models used to implement inversion codes to retrieve atmospheric state parameters from limb and nadir sounding instruments.This paper briefly introduces the physical and mathematical basics of GARLIC and its descendants and continues with an in-depth presentation of various implementation aspects: An optimized Voigt function algorithm combined with a two-grid approach is used to accelerate the line-by-line modeling of molecular cross sections; various quadrature methods are implemented to evaluate the Schwarzschild and Beer integrals; and Jacobians, i.e. derivatives with respect to the unknowns of the atmospheric inverse problem, are implemented by means of automatic differentiation. For an assessment of GARLIC's performance, a comparison of the quadrature methods for solution of the path integral is provided. Verification and validation are demonstrated using intercomparisons with other line-by-line codes and comparisons of synthetic spectra with spectra observed on Earth and from Venus.

National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
urn:nbn:se:ltu:diva-7932 (URN)10.1016/j.jqsrt.2013.11.018 (DOI)000332805100004 ()2-s2.0-84894083674 (Scopus ID)65f05407-3781-45a5-abb8-7e724fc61ed3 (Local ID)65f05407-3781-45a5-abb8-7e724fc61ed3 (Archive number)65f05407-3781-45a5-abb8-7e724fc61ed3 (OAI)
Note
Validerad; 2014; 20131209 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Holl, G., Eliasson, S., Mendrok, J. & Buehler, S. (2014). SPARE-ICE: Synergistic ice water path from passive operational sensors (ed.). Journal of Geophysical Research: Atmospheres, 119(3), 1504-1523
Open this publication in new window or tab >>SPARE-ICE: Synergistic ice water path from passive operational sensors
2014 (English)In: Journal of Geophysical Research: Atmospheres, ISSN 2169-8996, Vol. 119, no 3, p. 1504-1523Article in journal (Refereed) Published
Abstract [en]

This article presents SPARE-ICE, the Synergistic Passive Atmospheric Retrieval Experiment-ICE. SPARE-ICE is the first Ice Water Path (IWP) product combining infrared and microwave radiances. By using only passive operational sensors, the SPARE-ICE retrieval can be used to process data from at least the NOAA 15 to 19 and MetOp satellites, obtaining time series from 1998 onward. The retrieval is developed using collocations between passive operational sensors (solar, terrestrial infrared, microwave), the CloudSat radar, and the CALIPSO lidar. The collocations form a retrieval database matching measurements from passive sensors against the existing active combined radar-lidar product 2C-ICE. With this retrieval database, we train a pair of artificial neural networks to detect clouds and retrieve IWP. When considering solar, terrestrial infrared, and microwave-based measurements, we show that any combination of two techniques performs better than either single-technique retrieval. We choose not to include solar reflectances in SPARE-ICE, because the improvement is small, and so that SPARE-ICE can be retrieved both daytime and nighttime. The median fractional error between SPARE-ICE and 2C-ICE is around a factor 2, a figure similar to the random error between 2C-ICE ice water content (IWC) and in situ measurements. A comparison of SPARE-ICE with Moderate Resolution Imaging Spectroradiometer (MODIS), Pathfinder Atmospheric Extended (PATMOS-X), and Microwave Surface and Precipitation Products System (MSPPS) indicates that SPARE-ICE appears to perform well even in difficult conditions. SPARE-ICE is available for public use.

National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
urn:nbn:se:ltu:diva-15008 (URN)10.1002/2013JD020759 (DOI)000332994600026 ()2-s2.0-84898968698 (Scopus ID)e778fc98-52a1-4319-b883-6543ee87ed14 (Local ID)e778fc98-52a1-4319-b883-6543ee87ed14 (Archive number)e778fc98-52a1-4319-b883-6543ee87ed14 (OAI)
Note

Validerad; 2014; 20140210 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Larsson, R., Ramstad, R., Mendrok, J., Buehler, S. & Kasai, Y. (2013). A method for remote sensing of weak planetary magnetic fields: Simulated application to Mars (ed.). Paper presented at . Geophysical Research Letters, 40(19), 5014-5018
Open this publication in new window or tab >>A method for remote sensing of weak planetary magnetic fields: Simulated application to Mars
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2013 (English)In: Geophysical Research Letters, ISSN 0094-8276, E-ISSN 1944-8007, Vol. 40, no 19, p. 5014-5018Article in journal (Refereed) Published
Abstract [en]

We present a method for characterizing the magnetic anomalies from the crustal fields in the lower atmosphere of Mars that requires two perpendicular linear polarization measurements of the Zeeman effect. The maximum effect of the magnetic field on the signal is found at the Doppler broadening width at low pressures rather than at the magnetically induced line frequency shift, and the effect strongly increases with increasing magnetic field strength. Based on simulations of the Zeeman-affected spectral cross section of the 119 GHz O2 line in a model Martian atmosphere at various magnetic field strengths, we conclude that it should be possible to probe the strength of the magnetic anomalies remotely with presently available technology. We discuss limitations of the method, how these results could be relevant to the interpretation of residuals in Herschel/HIFI observations of Mars, as well as the application to detection of exoplanetary magnetic fields.

National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
urn:nbn:se:ltu:diva-15186 (URN)10.1002/grl.50964 (DOI)000326311600008 ()2-s2.0-84884766087 (Scopus ID)eacdd49f-739e-48d3-b562-90021db9e1b6 (Local ID)eacdd49f-739e-48d3-b562-90021db9e1b6 (Archive number)eacdd49f-739e-48d3-b562-90021db9e1b6 (OAI)
Note
Validerad; 2013; 20131003 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Mendrok, J., Buehler, S., Eriksson, P., PERRIN, A., HARTOGH, P., REZAC, L. & Lemke, O. (2013). ARTS+ - A toolbox for microwave atmospheric radiative transfer in solar system planets (ed.). Paper presented at AOGS - Australia Oceania Geosciences Society Annual Meeting : 24/06/2013 - 28/06/2013. Paper presented at AOGS - Australia Oceania Geosciences Society Annual Meeting : 24/06/2013 - 28/06/2013.
Open this publication in new window or tab >>ARTS+ - A toolbox for microwave atmospheric radiative transfer in solar system planets
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2013 (Swedish)Conference paper, Oral presentation only (Other academic)
Abstract [en]

Microwave and (sub)millimetre-wave frequencies have long been of interest for remote sensing of the Earth and space objects. They suffer less from interference by small particles (dust, clouds), hence penetrate deeper into atmospheres revealing their deeper structures hidden to shorter wavelengths, and possess characteristic line absorption features of many gaseous species, which are of interest for the understanding of atmospheric chemistry and dynamics.Models simulating radiative transfer and wave propagation (RT/WP) have been developed by many institutions. Most of them are designed for a particular, narrow region of the electromagnetic spectrum, certain instrument types or missions, and specific atmospheric conditions. In particular, they are usually set up for a specific planetary body. This high level of specialisation allows for accurate modelling results. However, it also limits the flexibility of those models and comparability between them.For various applications there is a demand on easy and quick calculations of propagation characteristics, like feasibility estimates of missions proposed to space agencies and performance estimates of radiocommunication links between satellites or orbiter and lander.Within an ESA study we have developed a toolbox for microwave RT/WP in planetary atmospheres. The toolbox consists of the RT/WP model and a data package. The RT/WP model is a largely revised and extended version of ARTS, a sophisticated, flexible RT model for Earth atmosphere (3D spherical geometry, diverse absorption models, scattering, polarization, Jacobians). Focus has been on creating a consistent, physics-based model. Several features have been added (radio link and cloud radar modes, zeeman splitting, doppler shifts). A new spectroscopic approach has been implemented considering effects of a range of broadening/pressure-shifting/refracting species, a corresponding spectroscopic line catalogue designed and prepared. At the current state, the data package contains atmospheric and surface data for Earth and the planets Venus, Mars, and Jupiter, but is easily extendable.We will illustrate the capabilities of the toolbox introducing several example cases and presenting results from the toolbox validation.

Keywords
Other technology - Space engineering, atmospheric science, radiative transfer, Övriga teknikvetenskaper - Rymdteknik
National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
urn:nbn:se:ltu:diva-30371 (URN)427406a5-0f20-4a37-a745-b8b921a49d4b (Local ID)427406a5-0f20-4a37-a745-b8b921a49d4b (Archive number)427406a5-0f20-4a37-a745-b8b921a49d4b (OAI)
Conference
AOGS - Australia Oceania Geosciences Society Annual Meeting : 24/06/2013 - 28/06/2013
Note
Godkänd; 2013; 20130731 (janmen)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved
Millán, L., Read, W., Kasai, Y., Lambert, A., Livesey, N., Mendrok, J., . . . Wu, D. (2013). SMILES ice cloud products (ed.). Journal of Geophysical Research: Atmospheres, 118(12), 6468-6477
Open this publication in new window or tab >>SMILES ice cloud products
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2013 (English)In: Journal of Geophysical Research: Atmospheres, ISSN 2169-8996, Vol. 118, no 12, p. 6468-6477Article in journal (Refereed) Published
Abstract [en]

Upper tropospheric water vapor and clouds play an important role in Earth's climate, but knowledge of them, in particular diurnal variation in deep convective clouds, is limited. An essential variable to understand them is cloud ice water content. The Japanese Superconducting Submillimeter-Wave Limb-Emission Sounder (SMILES) on board the International Space Station (ISS) samples the atmosphere at different local times allowing the study of diurnal variability of atmospheric parameters. We describe a new ice cloud data set consisting of partial Ice Water Path and Ice Water Content. Preliminary comparisons with EOS-MLS, CloudSat-CPR and CALIOP-CALIPSO are presented. Then, the diurnal variation over land and over open ocean for partial ice water path is reported. Over land, a pronounced diurnal variation peaking strongly in the afternoon/early evening was found. Over the open ocean, little temporal dependence was encountered. This data set is publicly available for download in HDF5 format.

National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
urn:nbn:se:ltu:diva-3704 (URN)10.1002/jgrd.50322 (DOI)000322129600041 ()2-s2.0-84880888147 (Scopus ID)18911472-6a64-4203-98a0-3fb3a4f007f8 (Local ID)18911472-6a64-4203-98a0-3fb3a4f007f8 (Archive number)18911472-6a64-4203-98a0-3fb3a4f007f8 (OAI)
Note

Validerad; 2013; 20130624 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Eliasson, S. & Mendrok, J. (2013). Systematic and random errors between collocated satellite ice water path observations (ed.). Paper presented at AOGS - Australia Oceania Geosciences Society Annual Meeting : 24/06/2013 - 28/06/2013. Paper presented at AOGS - Australia Oceania Geosciences Society Annual Meeting : 24/06/2013 - 28/06/2013.
Open this publication in new window or tab >>Systematic and random errors between collocated satellite ice water path observations
2013 (English)Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

There remains large disagreement between ice-water path (IWP) in observational data sets, largely because the sensors observe different parts of the ice particle size distribution. A detailed comparison of retrieved IWP from satellite observations in the Tropics (±30° latitude) in 2007 was made using collocated measurements. The radio detection and ranging(radar)/light detection and ranging (lidar) (DARDAR) IWP data set, based on combined radar/lidar measurements, is used as a reference because it provides arguably the best estimate of the total column IWP. For each data set, usable IWP dynamic ranges are inferred from this comparison. IWP retrievals based on solar reflectance measurements, in the moderate resolution imaging spectroradiometer (MODIS), advanced very high resolution radiometer–based Climate Monitoring Satellite Applications Facility (CMSAF), and Pathfinder Atmospheres-Extended (PATMOS-x) datasets, were found to be correlated with DARDAR over a large IWP range (~20–7000 g m-2). The random errors of the collocated data sets have a close to lognormal distribution, and the combined random error of MODIS and DARDAR is less than a factor of 2, which also sets the upper limit for MODIS alone. In the same way, the upper limit for the random error of all considered data sets is determined. Data sets based on passive microwave measurements, microwave surface and precipitation products system (MSPPS), microwave integrated retrieval system (MiRS), and collocated microwave only (CMO), are largely correlated with DARDAR for IWP values larger than approximately 700 g m-2. The combined uncertainty between these data sets and DARDAR in this range is slightly less MODIS-DARDAR, but the systematic bias is nearly an order of magnitude.

National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
urn:nbn:se:ltu:diva-32870 (URN)782022e1-b607-4243-9212-de89f2d7028e (Local ID)782022e1-b607-4243-9212-de89f2d7028e (Archive number)782022e1-b607-4243-9212-de89f2d7028e (OAI)
Conference
AOGS - Australia Oceania Geosciences Society Annual Meeting : 24/06/2013 - 28/06/2013
Note
Godkänd; 2013; Bibliografisk uppgift: AS11-05-D4-PM2-P-014; 20130731 (janmen)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved
Kasai, Y., Sagawa, H., Kreyling, D., Dupuy, E., Baron, P., Mendrok, J., . . . Yasui, M. (2013). Validation of stratospheric and mesospheric ozone observed by SMILES from International Space Station (ed.). Atmospheric Measurement Techniques, 6(9), 2311-2338
Open this publication in new window or tab >>Validation of stratospheric and mesospheric ozone observed by SMILES from International Space Station
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2013 (English)In: Atmospheric Measurement Techniques, ISSN 1867-1381, E-ISSN 1867-8548, Vol. 6, no 9, p. 2311-2338Article in journal (Refereed) Published
Abstract [en]

We observed ozone (O3) in the vertical region between 250 and 0.0005 hPa (~ 12–96 km) using the Superconducting Submillimeter-Wave Limb-Emission Sounder (SMILES) on the Japanese Experiment Module (JEM) of the International Space Station (ISS) between 12 October 2009 and 21 April 2010. The new 4 K superconducting heterodyne receiver technology of SMILES allowed us to obtain a one order of magnitude better signal-to-noise ratio for the O3 line observation compared to past spaceborne microwave instruments. The non-sun-synchronous orbit of the ISS allowed us to observe O3 at various local times. We assessed the quality of the vertical profiles of O3 in the 100–0.001 hPa (~ 16–90 km) region for the SMILES NICT Level 2 product version 2.1.5. The evaluation is based on four components: error analysis; internal comparisons of observations targeting three different instrumental setups for the same O3 625.371 GHz transition; internal comparisons of two different retrieval algorithms; and external comparisons for various local times with ozonesonde, satellite and balloon observations (ENVISAT/MIPAS, SCISAT/ACE-FTS, Odin/OSIRIS, Odin/SMR, Aura/MLS, TELIS). SMILES O3 data have an estimated absolute accuracy of better than 0.3 ppmv (3%) with a vertical resolution of 3–4 km over the 60 to 8 hPa range. The random error for a single measurement is better than the estimated systematic error, being less than 1, 2, and 7%, in the 40–1, 80–0.1, and 100–0.004 hPa pressure regions, respectively. SMILES O3 abundance was 10–20% lower than all other satellite measurements at 8–0.1 hPa due to an error arising from uncertainties of the tangent point information and the gain calibration for the intensity of the spectrum. SMILES O3 from observation frequency Band-B had better accuracy than that from Band-A. A two month period is required to accumulate measurements covering 24 h in local time of O3 profile. However such a dataset can also contain variation due to dynamical, seasonal, and latitudinal effects

National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
urn:nbn:se:ltu:diva-7479 (URN)10.5194/amt-6-2311-2013 (DOI)000325286500007 ()2-s2.0-84879974659 (Scopus ID)5e02a9f3-9fe7-4ea4-9d04-2db4728b02c7 (Local ID)5e02a9f3-9fe7-4ea4-9d04-2db4728b02c7 (Archive number)5e02a9f3-9fe7-4ea4-9d04-2db4728b02c7 (OAI)
Note

Validerad; 2013; 20131209 (janmen)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-08-23Bibliographically approved
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