Gravity change in the Fennoscandian uplift area observed by absolute gravimetry.
The Nordic countries Norway, Sweden, Finland and Denmark are a key study region for the research of glacial isostasy. In addition, it offers a unique opportunity for absolute gravimetry to show its capability as a geodetic tool for geophysical research. Within a multi-national cooperation, annual ab...
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ftgfzpotsdam:oai:gfzpublic.gfz-potsdam.de:item_238765 2023-05-15T16:11:51+02:00 Gravity change in the Fennoscandian uplift area observed by absolute gravimetry. Timmen, L. Gitlein, O. Klemann, V. Wolf, D. 1.3 Earth System Modelling, 1.0 Geodesy and Remote Sensing, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum 2009 https://gfzpublic.gfz-potsdam.de/pubman/item/item_238765 unknown https://gfzpublic.gfz-potsdam.de/pubman/item/item_238765 Geophysical Research Abstracts Vol. 11, EGU2009-1834-1 550 - Earth sciences info:eu-repo/semantics/conferenceObject 2009 ftgfzpotsdam 2022-09-14T05:53:53Z The Nordic countries Norway, Sweden, Finland and Denmark are a key study region for the research of glacial isostasy. In addition, it offers a unique opportunity for absolute gravimetry to show its capability as a geodetic tool for geophysical research. Within a multi-national cooperation, annual absolute gravity measurements have been performed in Fennoscandia by IfE since 2003. For the Hannover gravimeter FG5-220, an overall accuracy of +-30nm/s2 is indicated for a single station determination. First results of linear gravity changes are derived for 11 stations in the central and southern part of the uplift area. Comparing with the predicted rates of a glacial rebound modelling, the gravity trends of the absolute measurements differ by 20% (r.m.s. discrepancy) from the uplift model. The mean difference between observed and predicted rates is -0.6 nm/s2 per year only. Conference Object Fennoscandia Fennoscandian GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam) Norway |
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Open Polar |
collection |
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam) |
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ftgfzpotsdam |
language |
unknown |
topic |
550 - Earth sciences |
spellingShingle |
550 - Earth sciences Timmen, L. Gitlein, O. Klemann, V. Wolf, D. Gravity change in the Fennoscandian uplift area observed by absolute gravimetry. |
topic_facet |
550 - Earth sciences |
description |
The Nordic countries Norway, Sweden, Finland and Denmark are a key study region for the research of glacial isostasy. In addition, it offers a unique opportunity for absolute gravimetry to show its capability as a geodetic tool for geophysical research. Within a multi-national cooperation, annual absolute gravity measurements have been performed in Fennoscandia by IfE since 2003. For the Hannover gravimeter FG5-220, an overall accuracy of +-30nm/s2 is indicated for a single station determination. First results of linear gravity changes are derived for 11 stations in the central and southern part of the uplift area. Comparing with the predicted rates of a glacial rebound modelling, the gravity trends of the absolute measurements differ by 20% (r.m.s. discrepancy) from the uplift model. The mean difference between observed and predicted rates is -0.6 nm/s2 per year only. |
author2 |
1.3 Earth System Modelling, 1.0 Geodesy and Remote Sensing, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum |
format |
Conference Object |
author |
Timmen, L. Gitlein, O. Klemann, V. Wolf, D. |
author_facet |
Timmen, L. Gitlein, O. Klemann, V. Wolf, D. |
author_sort |
Timmen, L. |
title |
Gravity change in the Fennoscandian uplift area observed by absolute gravimetry. |
title_short |
Gravity change in the Fennoscandian uplift area observed by absolute gravimetry. |
title_full |
Gravity change in the Fennoscandian uplift area observed by absolute gravimetry. |
title_fullStr |
Gravity change in the Fennoscandian uplift area observed by absolute gravimetry. |
title_full_unstemmed |
Gravity change in the Fennoscandian uplift area observed by absolute gravimetry. |
title_sort |
gravity change in the fennoscandian uplift area observed by absolute gravimetry. |
publishDate |
2009 |
url |
https://gfzpublic.gfz-potsdam.de/pubman/item/item_238765 |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Fennoscandia Fennoscandian |
genre_facet |
Fennoscandia Fennoscandian |
op_source |
Geophysical Research Abstracts Vol. 11, EGU2009-1834-1 |
op_relation |
https://gfzpublic.gfz-potsdam.de/pubman/item/item_238765 |
_version_ |
1765997051382857728 |