Crustal Heterogeneity Onshore Central Spitsbergen: Insights
From New Gravity and Vintage Geophysical Data

J 2025

Crustal Heterogeneity Onshore Central Spitsbergen: Insights From New Gravity and Vintage Geophysical Data

SENGER, Kim; Fenna AMMERLAAN; Peter BETLEM; Marco BROENNER; Marie-Andree DUMAIS et al.

Základní údaje

Originální název

Crustal Heterogeneity Onshore Central Spitsbergen: Insights From New Gravity and Vintage Geophysical Data

Autoři

Vydání

GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, UNITED STATES, AMER GEOPHYSICAL UNION, 2025, 1525-2027

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10500 1.5. Earth and related environmental sciences

Stát vydavatele

Spojené státy

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 3.000 v roce 2024

Označené pro přenos do RIV

Ano

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

OCEAN-BOTTOM SEISMOMETER; LARGE IGNEOUS PROVINCE; BARENTS SEA; ;BILLEFJORDEN TROUGH; CONTINENTAL-MARGIN; KNIPOVICH RIDGE; UPPER-MANTLE; 3D GRAVITY; SVALBARD; BASEMENT

Štítky

rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 5. 3. 2025 11:31, Mgr. Marie Novosadová Šípková, DiS.

Anotace

V originále

Gravity data provide constraints on lateral subsurface density variations and thus provide crucial insights into the geological evolution of the region. Previously, gravity data from the Norwegian Arctic archipelago of Svalbard comprised an onshore regional gravity database with coarse station spacing of 2-20 km, offshore gravity profiles acquired in some fjords, airborne gravity, and satellite altimetry. The sparse regional point-based onshore coverage hampered the direct integration of gravity data with seismic profiles acquired onshore Svalbard in the late 1980s and early 1990s. In April 2022, we acquired gravity data at 260 new stations along seven profiles from western to eastern Spitsbergen, with a cumulative length of 329 km. The profiles were acquired directly along selected seismic profiles and provide much closer station spacing (0.5-2 km) compared to the regional inland grid (2-20 km) acquired in the late 1980s (total number of onshore stations: 1,037). Having processed the data, we compared the first-order density trends of our new data with the legacy regional grid. The new gravity data are consistent with the regional data, imaging a gravity low in the western part of the area underlying a foreland basin and a gravity high in the northwestern part of the area likely associated with a basement high or denser basement. We compare the new and vintage gravity using maps and profiles, linked to the known major tectonic features such as major basinal axes and fault zones, as well as other geophysical data sets including seismics and magnetics.

Citovat

SENGER, Kim; Fenna AMMERLAAN; Peter BETLEM; Marco BROENNER; Marie-Andree DUMAIS; Jomar GELLEIN; Tormod HENNINGSEN; Julian JANOCHA; Erik P JOHANNESSEN; Jonas LIEBSCH; Jakob MACHLEIDT; Tereza MOSOČIOVÁ; Snorre OLAUSSEN; Bo OLOFSSON; Nil RODES; Sofia RYLANDER; Grace E SHEPHARD; Aleksandra SMYRAK-SIKORA; Juan D SOLANO-ACOSTA a Anna STERLEY. Crustal Heterogeneity Onshore Central Spitsbergen: Insights From New Gravity and Vintage Geophysical Data. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS. UNITED STATES: AMER GEOPHYSICAL UNION, 2025, roč. 26, č. 1, s. 1-26. ISSN 1525-2027. Dostupné z: https://doi.org/10.1029/2024GC011563.

@article{2481817,
   author = {Senger, Kim and Ammerlaan, Fenna and Betlem, Peter and Broenner, Marco and Dumais, MarieandAndree and Gellein, Jomar and Henningsen, Tormod and Janocha, Julian and Johannessen, Erik P and Liebsch, Jonas and Machleidt, Jakob and Mosočiová, Tereza and Olaussen, Snorre and Olofsson, Bo and Rodes, Nil and Rylander, Sofia and Shephard, Grace E and SmyrakandSikora, Aleksandra and SolanoandAcosta, Juan D and Sterley, Anna},
   article_location = {UNITED STATES},
   article_number = {1},
   doi = {https://doi.org/10.1029/2024GC011563},
   keywords = {OCEAN-BOTTOM SEISMOMETER; LARGE IGNEOUS PROVINCE; BARENTS SEA; ;BILLEFJORDEN TROUGH; CONTINENTAL-MARGIN; KNIPOVICH RIDGE; UPPER-MANTLE; 3D GRAVITY; SVALBARD; BASEMENT},
   language = {eng},
   issn = {1525-2027},
   journal = {GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS},
   title = {Crustal Heterogeneity Onshore Central Spitsbergen: Insights From New Gravity and Vintage Geophysical Data},
   url = {https://doi.org/10.1029/2024GC011563},
   volume = {26},
   year = {2025}
}

TY  - JOUR
ID  - 2481817
AU  - Senger, Kim - Ammerlaan, Fenna - Betlem, Peter - Broenner, Marco - Dumais, Marie-Andree - Gellein, Jomar - Henningsen, Tormod - Janocha, Julian - Johannessen, Erik P - Liebsch, Jonas - Machleidt, Jakob - Mosočiová, Tereza - Olaussen, Snorre - Olofsson, Bo - Rodes, Nil - Rylander, Sofia - Shephard, Grace E - Smyrak-Sikora, Aleksandra - Solano-Acosta, Juan D - Sterley, Anna
PY  - 2025
TI  - Crustal Heterogeneity Onshore Central Spitsbergen: Insights From New Gravity and Vintage Geophysical Data
JF  - GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
VL  - 26
IS  - 1
SP  - 1-26
EP  - 1-26
PB  - AMER GEOPHYSICAL UNION
SN  - 15252027
KW  - OCEAN-BOTTOM SEISMOMETER
KW  - LARGE IGNEOUS PROVINCE
KW  - BARENTS SEA
KW  - ;BILLEFJORDEN TROUGH
KW  - CONTINENTAL-MARGIN
KW  - KNIPOVICH RIDGE
KW  - UPPER-MANTLE
KW  - 3D GRAVITY
KW  - SVALBARD
KW  - BASEMENT
UR  - https://doi.org/10.1029/2024GC011563
N2  - Gravity data provide constraints on lateral subsurface density variations and thus provide crucial insights into the geological evolution of the region. Previously, gravity data from the Norwegian Arctic archipelago of Svalbard comprised an onshore regional gravity database with coarse station spacing of 2-20 km, offshore gravity profiles acquired in some fjords, airborne gravity, and satellite altimetry. The sparse regional point-based onshore coverage hampered the direct integration of gravity data with seismic profiles acquired onshore Svalbard in the late 1980s and early 1990s. In April 2022, we acquired gravity data at 260 new stations along seven profiles from western to eastern Spitsbergen, with a cumulative length of 329 km. The profiles were acquired directly along selected seismic profiles and provide much closer station spacing (0.5-2 km) compared to the regional inland grid (2-20 km) acquired in the late 1980s (total number of onshore stations: 1,037). Having processed the data, we compared the first-order density trends of our new data with the legacy regional grid. The new gravity data are consistent with the regional data, imaging a gravity low in the western part of the area underlying a foreland basin and a gravity high in the northwestern part of the area likely associated with a basement high or denser basement. We compare the new and vintage gravity using maps and profiles, linked to the known major tectonic features such as major basinal axes and fault zones, as well as other geophysical data sets including seismics and magnetics.
ER  -

SENGER, Kim; Fenna AMMERLAAN; Peter BETLEM; Marco BROENNER; Marie-Andree DUMAIS; Jomar GELLEIN; Tormod HENNINGSEN; Julian JANOCHA; Erik P JOHANNESSEN; Jonas LIEBSCH; Jakob MACHLEIDT; Tereza MOSOČIOVÁ; Snorre OLAUSSEN; Bo OLOFSSON; Nil RODES; Sofia RYLANDER; Grace E SHEPHARD; Aleksandra SMYRAK-SIKORA; Juan D SOLANO-ACOSTA a Anna STERLEY. Crustal Heterogeneity Onshore Central Spitsbergen: Insights From New Gravity and Vintage Geophysical Data. \textit{GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS}. UNITED STATES: AMER GEOPHYSICAL UNION, 2025, roč.~26, č.~1, s.~1-26. ISSN~1525-2027. Dostupné z: https://doi.org/10.1029/2024GC011563.

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