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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Cloud thermodynamic phase detection with the GLORIA limb imager during the StratoClim campaign in the Asian monsoon

Carlsen, Tim, Bartolome Garcia, Irene, Ehrlich, André, Ungermann, Jörn, Wendisch, Manfred 08 March 2021 (has links)
One major source of uncertainty in current climate projections is the effect of clouds on the Earth’s climate system due to a direct influence on the radiative energy budget as well as through complex feedback mechanisms. The radiative properties of clouds are governed by their microphysical properties, e.g. the thermodynamic phase. However, the interactions of cloud and aerosol particles leading to complex vertical structures of the thermodynamic phase and their influence on the optical properties of clouds are not yet fully understood. Therefore, measurements with the Gimballed Limb Observer for Radiance Imaging of the Atmosphere (GLORIA) are utilized during the StratoClim (Stratospheric and upper tropospheric processes for better climate predictions) campaign in the Asian monsoon to detect cloud thermodynamic phase in the terrestrial infrared wavelength range for cloud-side observations. / Der Einfluss von Wolken auf das Klimasystem der Erde bildet einen großen Unsicherheitsfaktor in aktuellen Klimaprojektionen durch einen direkten Effekt auf den Strahlungshaushalt sowie über komplexe Feedbackmechanismen. Die Streueigenschaften von Wolken werden durch deren mikrophysikalische Eigenschaften (z.B. die thermodynamische Phase) bestimmt. Allerdings sind die Wechselwirkungen zwischen Wolken- und Aerosolpartikeln, welche zu komplexen vertikalen Strukturen der thermodynamischen Phase führen und damit die optischen Eigenschaften derWolke beeinflussen, noch nicht endgültig verstanden. Deshalb werden in dieser Studie Messungen mit dem Gimballed Limb Observer for Radiance Imaging of the Atmosphere (GLORIA) während der Messkampagne StratoClim (Stratospheric and upper tropospheric processes for better climate predictions) in der asiatischen Monsunregion verwendet, um die thermodynamische Phase von Wolken aus Wolkenseitenbeobachtungen im terrestrischen infraroten Wellenlängenbereich abzuleiten.

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