Synoptic Analyses of Chemical constituents by Advances Data Assimilation (SACADA) (2005)
Elbern, H., Baier, Frank, Bittner, Michael, Bochorisvili, R., Bovensmann, Heinrich, Hoffmann, L., ...
Clarmann Von, Thomas, Hoepfner, Michael, Funke, Bernd, Lopez-Puertas, Manuel, Dudhia, Anu, Jay, Victoria, ...
When retrieving atmospheric parameters from radiance spectra, the forward modelling of radiative transfer through the Earth's atmosphere plays a key role, since inappropriate modelling directly maps...
Advanced MIPAS-Level-2 Data Analysis (AMIL2DA) (2003)
Clarmann Von, Thomas, Birk, Manfred, Bovensmann, Heinrich, Bracher, Astrid, Burgess, Alastair, Cecherini, Simone, ...
The Michelson Interferometer for Passive Atmospheric Sounding (MIPAS), which is a core instrument of the Envisat polar platform launched on 1 March 2002 by the European Space Agency (ESA), is a...
Advanced MIPAS level-2 Data Analysis (AMIL2DA) (2003)
Clarmann Von, Thomas, Birk, Manfred, Bovensmann, Heinrich, Burgess, Alastair, Ceccherini, Simone, Doicu, Adrian, ...
AMIL2DA - Advanced MIPAS level 2 Data Analysis (2003)
Clarmann Von, Thomas, Birk, Manfred, Bovensmann, Heinrich, Bracher, Astrid, Burgess, Alastair, Ceccherini, Simone, ...
A blind test retrieval experiment for infrared limb emission spectrometry (2003)
Clarmann Von, Thomas, Ceccherini, Simone, Doicu, Adrian, Dudhia, Anu, Funke, Bernd, Grabowski, U., ...
The functionality and characteristics of six different data processors (i.e., retrieval codes in their actual software and hardware environment) for analysis of high-resolution limb emission infrared...
Comparison of AMIL2DA results for MIPAS-ENVISAT data with external data (2003)
Milz, Mathias, Bovensmann, Heinrich, Bracher, Astrid, Clarmann Von, Thomas, Dudhia, Anu, Funke, Bernd, ...
Die Ergebnisse der AMIL2DA-Vergleiche werden mit externen Daten verglichen.
Sequential and Joint Retrieval of Trace Gas Profiles (2002)
Schwarz, Gottfried, Hilgers, Siegfried, Kemnitzer, Holger, Steck, Tilman, Clarmann Von, Thomas, Höpfner, Michael, ...
A purely sequential retrieval of trace gas profiles from limb sounding measurements may lead to error propagation, especially in the case of water vapor retrieval. A joint (i.e. simultaneous)...
Advanced MIPAS Level 2 Data Analysis (AMIL2DA) (2002)
Clarmann Von, Thomas, Ceccherini, Simone, Doicu, Adrian, Dudhia, Anu, Funke, Bernd, Grabowski, U., ...
Es wird eine Beschreibung des EU-Projekts AMIL2DA gegeben.
Trace Gas Retrieval Including Horizontal Gradients (2002)
Kemnitzer, Holger, Hilgers, Siegfried, Schwarz, Gottfried, Steck, Tilman, Clarmann Von, Thomas, Höpfner, Michael, ...
Der Einfluss horizontaler Gradienten auf das Retrieval von Vertikalprofilen wird demonstriert und analysiert.
Advanced MIPAS Level 2 Data Processing (AMIL2DA) (2001)
Clarmann Von, Thomas, Hilgers, Siegfried, Schreier, Franz, Schwarz, Gottfried
First results of the AMIL2DA project show that various processors available for the retrieval of special constituents from MIPAS data deliver comparable results. Remaing differences are mainly due to...
Constrained Constituent Retrieval in the MIPAS ENVISAT Level 2 Off-Line Processor (2001)
Steck, Tilman, Clarmann Von, Thomas
The retrieval method applied in the MIPAS level 2 off-line processor is described with regard to specific constraints aiming at optimised data quality. The data quality can be optimized either with...
Experience Gained with the MIPAS Level 2 Off-Line Processor (2001)
Hilgers, Siegfried, Kemnitzer, Holger, Ressel, Klaus, Schwarz, Gottfried, Steck, Tilman, Clarmann Von, Thomas, ...
Performance tests of the MIPAS level 2 off-line processor led to in-depth experiences with retrieval options and performance characteristics. These depend on various parameters like microwindows,...
Trace Gas Retrieval Including Horizontal Gradients (2000)
Kemnitzer, Holger, Hilgers, Siegfried, Schwarz, Gottfried, Steck, Tilman, Clarmann Von, Thomas, Höpfner, Michael, ...
The results of trace gas retrievals of limb sounding measurements will be affected by a horizontally inhomogeneous atmosphere. In this case, the horizontal gradients should be included in the...
Sequential and Joint Retrieval of Trace Gas Profiles (2000)
Schwarz, Gottfried, Hilgers, Siegfried, Kemnitzer, Holger, Steck, Tilman, Clarmann Von, Thomas, Höpfner, Michael, ...
We demonstrate that a joint (i.e. simultaneous) retrieval of atmospherical trace gases from limb sounding measurements can outperform a purely sequential retrieval of the same trace gases. The reason...
Tools for the Analysis of Residual Spectra Affecting MIPAS Level 2 Products (2000)
Hilgers, Siegfried, Kemnitzer, Holger, Schwarz, Gottfried, Clarmann Von, Thomas, Milz, Mathias
The use of various automated tools was shown that allow the identification and quantitative analysis of residual spectra resulting after a retrieval of trace gas profiles. The tools include...
Experience Gained with the MIPAS Level 2 Off-Line Processor (2000)
Hilgers, Siegfried, Kemnitzer, Holger, Ressel, Klaus, Schwarz, Gottfried, Steck, Tilman, Clarmann Von, Thomas, ...
The experience gained with the MIPAS level 2 offline processor will be described. In particular, the layout of the processor will be explained and results for various trace gas retrievals will be...
Regularisation in MIPAS ENVISAT Off-Line Constituent Retrieval: Strategy and Diagnostics (2000)
Steck, Tilman, Clarmann Von, Thomas
The regularisation applied in the MIPAS Level 2 off-line processor was outlined. Particular emphasis was put on strategic aspects and diagnosic tools allowing a quantitative assessment of the...
The MIPAS level 2 off-line processor: Requirements and concepts (1999)
Clarmann Von, Thomas, Stiller, G.P., Friedle, Achim, Ressel, Klaus, Steck, Tilman
The MIPAS level 2 off-line processor: Realization and test results (1999)
Friedle, Achim, Göbel, M., Hilgers, Siegfried, Kemnitzer, Holger, Ressel, Klaus, Schwarz, Gottfried, ...