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Non-Tidal Station Loading Impact at Lunar Laser Ranging Observatories

Singh, Vishwa Vijay and Biskupek, Liliane and Müller, Jürgen and Zhang, Mingyue (2020) Non-Tidal Station Loading Impact at Lunar Laser Ranging Observatories. Frontiers of Geodetic Science, 2021-09-21 - 2021-09-23, online.

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The distance between the observatories on Earth and the retro-reflectors on the Moon has been regularly observed by the Lunar Laser Ranging (LLR) experiment since 1970. In this study, we add the effect of non-tidal station loading (NTSL) in the analysis of LLR data. The non-tidal loading datasets provided by the German Research Centre for Geosciences (GFZ) and the International Mass Loading Service (IMLS) are used in our study to correct the positions of the LLR observatories. The Earth surface deforms up to the centimetre level due to this effect. With its addition in the Institute of Geodesy (IfE) LLR model, we get an improvement in the uncertainty of the station coordinates at the sub-millimetre level, and an improvement in the LLR residuals of up to centimetre level. Additionally, we also looked at a change of the annual signal in the LLR post-fit residuals, as both NTSL datasets show a dominating signal with an annual period; however a conclusive change could not be observed.

Item URL in elib:https://elib.dlr.de/185893/
Document Type:Conference or Workshop Item (Speech)
Title:Non-Tidal Station Loading Impact at Lunar Laser Ranging Observatories
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Singh, Vishwa VijayInstitut für Erdmessung, Leibniz Universität Hannoverhttps://orcid.org/0000-0003-2973-2435UNSPECIFIED
Biskupek, LilianeLeibniz Universität Hannoverhttps://orcid.org/0000-0002-4204-6838UNSPECIFIED
Müller, JürgenInstitut für Erdmessung, Leibniz Universität Hannover, Germanyhttps://orcid.org/0000-0003-1247-9525UNSPECIFIED
Zhang, MingyueInstitut für Erdmessung, Leibniz Universität Hannoverhttps://orcid.org/0000-0002-2198-1747UNSPECIFIED
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Lunar laser ranging; Non-tidal loading; Station displacements
Event Title:Frontiers of Geodetic Science
Event Location:online
Event Type:national Conference
Event Start Date:21 September 2021
Event End Date:23 September 2021
Organizer:DVW e.V. Gesellschaft für Geodäsie, Geoinformation und Landmanagement
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication, Navigation, Quantum Technology
DLR - Research area:Raumfahrt
DLR - Program:R KNQ - Communication, Navigation, Quantum Technology
DLR - Research theme (Project):R - Lunar Laser Ranging
Location: Hannover
Institutes and Institutions:Institute for Satellite Geodesy and Inertial Sensing > Satellite Geodesy and Geodetic Modelling
Deposited By: Schilling, Manuel
Deposited On:25 Apr 2022 09:25
Last Modified:24 Apr 2024 20:47

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