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Towards the CO2Image mission: performance studies using AVIRIS-NG

Wilzewski, Jonas and Strandgren, Johan and Baumgartner, Andreas and Haschberger, Peter and Köhler, Claas Henning and Krutz, David and Paproth, Carsten and Chapman, John W. and Thompson, David R. and Thorpe, Andrew K. and Mayer, Bernhard and Roiger, Anke-Elisabeth and Butz, Andre (2021) Towards the CO2Image mission: performance studies using AVIRIS-NG. EGU General Assembly 2021, 19.-30.4.2021, online. doi: 10.5194/egusphere-egu21-7165.

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Official URL: https://presentations.copernicus.org/EGU21/EGU21-7165_presentation.pdf

Abstract

Monitoring of anthropogenic carbon dioxide (CO2) emission sources with air- and space-borne remote sensing instruments relies on high-spatial resolution measurements. Such observations can be achieved at the expense of decreasing the spectral resolution of the instrument, which in turn complicates CO2 retrieval techniques due to the reduced information content of the spectra. In preparation for the CO2IMAGE mission (FWHM ~ 1.3 nm) - a compact satellite proposal currently in phase A at the German Aerospace Center (DLR) - we present here a dedicated study of CO2 monitoring capabilities with the airborne AVIRIS-NG sensor (FWHM ~ 5 nm). We conduct CO2 retrievals of several clear-sky AVIRIS-NG point source observations with the RemoTeC algorithm, based on the short-wave infrared absorption bands of CO2. Favorable state vector and spectral retrieval window configurations are identified that reduce correlations between the carbon dioxide and water vapor column concentrations and surface reflection properties. We also discuss the use of a posteriori correction methods to minimize biases in the retrieved CO2 fields and, finally, we carry out source rate estimates for these case studies.

Item URL in elib:https://elib.dlr.de/142598/
Document Type:Conference or Workshop Item (Poster)
Title:Towards the CO2Image mission: performance studies using AVIRIS-NG
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Wilzewski, JonasDLR, IPAhttps://orcid.org/0000-0002-1392-2966
Strandgren, JohanDLR, IPAhttps://orcid.org/0000-0001-7876-5845
Baumgartner, AndreasAndreas.Baumgartner (at) dlr.dehttps://orcid.org/0000-0002-8495-5407
Haschberger, PeterPeter.Haschberger (at) dlr.dehttps://orcid.org/0000-0001-8259-652X
Köhler, Claas Henningclaas.koehler (at) dlr.dehttps://orcid.org/0000-0003-0127-935X
Krutz, DavidDavid.Krutz (at) dlr.deUNSPECIFIED
Paproth, CarstenCarsten.Paproth (at) dlr.deUNSPECIFIED
Chapman, John W.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USAUNSPECIFIED
Thompson, David R.JPL, USAUNSPECIFIED
Thorpe, Andrew K.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USAUNSPECIFIED
Mayer, BernhardDLR, IPA / LMUUNSPECIFIED
Roiger, Anke-ElisabethDLR, IPAUNSPECIFIED
Butz, AndreDLR, IPAUNSPECIFIED
Date:30 April 2021
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.5194/egusphere-egu21-7165
Status:Published
Keywords:CO2, monitoring, CO2Image, satellite, aircraft, remote sensing
Event Title:EGU General Assembly 2021
Event Location:online
Event Type:international Conference
Event Dates:19.-30.4.2021
Organizer:ESA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Project CO2-Emission monitoring, CO2Mon, R - Spectroscopic methods of the atmosphere
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Trace Species
Remote Sensing Technology Institute > Experimental Methods
Institute of Optical Sensor Systems
Deposited By: Wilzewski, Jonas
Deposited On:07 Jun 2021 08:06
Last Modified:28 Jun 2021 10:56

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