Peter Hedin
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View article: Passive seismic imaging of the Lower Palaeozoic in the Sudret area of Gotland, Sweden
Passive seismic imaging of the Lower Palaeozoic in the Sudret area of Gotland, Sweden Open
Passive seismic data were acquired together with active seismic data along a 2.8 km long profile in the Sudret area of Gotland, Sweden, as part of a feasibility study for storage of CO2 below the Baltic Sea. Seismic interferometry using cr…
View article: Passive seismic imaging of the Lower Palaeozoic in the Sudret area of Gotland, Sweden
Passive seismic imaging of the Lower Palaeozoic in the Sudret area of Gotland, Sweden Open
Passive seismic data were acquired together with active seismic data along a 2.8 km long profile in the Sudret area of Gotland, Sweden, as part of a feasibility study for storage of CO2 below the Baltic Sea. Seismic interferometry using cr…
View article: Reflection seismic investigations on south Gotland, Sweden, to evaluate CO <sub>2</sub> storage strategies
Reflection seismic investigations on south Gotland, Sweden, to evaluate CO <sub>2</sub> storage strategies Open
Reflection seismic data were acquired in the Sudret area of Gotland between the 6th and 13th of November, 2023. Objectives of the survey were to obtain images of the subsurface down to the Precambrian basement in the vicinity of two cored …
View article: Crustal Structure of the Lofoten Shelf, NE North Atlantic,along the Silver-Road refraction profile
Crustal Structure of the Lofoten Shelf, NE North Atlantic,along the Silver-Road refraction profile Open
The Lofoten continental shelf is located at the edge of the Baltic Shield in the northeastern North Atlantic Ocean. It was formed during continental break up in early Eocene associated with intense magmatism, leading to large intrusions an…
View article: 3D reflection seismic surveying and borehole DAS measurements to image the sedimentary structure in the Sudret area of Gotland, Sweden
3D reflection seismic surveying and borehole DAS measurements to image the sedimentary structure in the Sudret area of Gotland, Sweden Open
Reflection seismic data were acquired in the Sudret area of Gotland in the time window 6 to 13 November, 2023. Objectives of the survey were to obtain images of the subsurface down to the Precambrian basement in the vicinity of two corehol…
View article: Passive seismic imaging for CO2 geological storage in the Sudret area of Gotland, Sweden
Passive seismic imaging for CO2 geological storage in the Sudret area of Gotland, Sweden Open
Carbon capture and storage (CCS) is a strategy that can be employed to reducing human impact on climate change In the 21st century. Geological storage has been currently considered the most promising strategy. It is reported that there is …
View article: Crustal Structure across Central Scandinavia along the Silver-Road refraction profile
Crustal Structure across Central Scandinavia along the Silver-Road refraction profile Open
The western edge of the Baltic Shield is covered by the northeast – southwest oriented, 2500 m high mountain range, the Scandes at the northwestern Atlantic Ocean. This mountain range is located far from any active plate boundary and…
View article: Crustal Structure across Central Scandinavia&#160;along the Silver-Road refraction profile
Crustal Structure across Central Scandinavia along the Silver-Road refraction profile Open
<p>The Baltic Shield is located in the northern part of Europe. It formed by amalgamation of a series of terranes and microcontinents during the Archean to the Paleoproterozoic, followed by significant modification in Neoproterozoic …
View article: Large-scale, flat-lying mafic intrusions in the Baltican crust and their influence on basement deformation during the Caledonian orogeny
Large-scale, flat-lying mafic intrusions in the Baltican crust and their influence on basement deformation during the Caledonian orogeny Open
The Fennoscandian Shield in central Sweden displays a complex structural and compositional architecture that is mainly related to the Proterozoic history of the Baltica paleocontinent. In its western parts, the Precambrian basement is cove…
View article: Anisotropic velocity models for (3-D) seismic imaging of the Lower Seve Nappe in Jämtland, Sweden
Anisotropic velocity models for (3-D) seismic imaging of the Lower Seve Nappe in Jämtland, Sweden Open
SUMMARY Strong anisotropy of seismic velocity in the Earth's crust poses serious challenges for seismic imaging. Where in situ seismic properties are not available, the anisotropy can be determined from velocity analysis of surface and bor…
View article: Large-scale flat-lying mafic intrusions in the granitic Baltica crust of central Sweden and implications for basement deformation during Caledonian orogeny
Large-scale flat-lying mafic intrusions in the granitic Baltica crust of central Sweden and implications for basement deformation during Caledonian orogeny Open
<p>The role of inheritance in localizing basement deformation in the foreland has been demonstrated in orogens in different parts of the world. In the external domain of the central Scandinavian Caledonides, questions remain about th…
View article: The derivation of an anisotropic velocity model from a combined surface and borehole seismic survey in crystalline environment at the COSC-1 borehole, central Sweden
The derivation of an anisotropic velocity model from a combined surface and borehole seismic survey in crystalline environment at the COSC-1 borehole, central Sweden Open
The Scandinavian Caledonides provide a well preserved example of a Palaeozoic continent-continent collision, where surface geology in combination with geophysical data provide information about the geometry of parts of the Caledonian struc…
View article: Two‐dimensional magnetotelluric inversion using reflection seismic data as constraints and application in the COSC project
Two‐dimensional magnetotelluric inversion using reflection seismic data as constraints and application in the COSC project Open
We present a novel 2‐D magnetotelluric (MT) inversion scheme, in which the local weights of the regularizing smoothness constraints are based on the envelope attribute of a reflection seismic image. The weights resemble those of a previous…
View article: Seismic imaging in the eastern Scandinavian Caledonides: siting the 2.5 km deep COSC-2 borehole, central Sweden
Seismic imaging in the eastern Scandinavian Caledonides: siting the 2.5 km deep COSC-2 borehole, central Sweden Open
The Collisional Orogeny in the Scandinavian Caledonides (COSC) project, a contribution to the International Continental Scientific Drilling Program (ICDP), aims to provide a deeper understanding of mountain belt dynamics. Scientific invest…
View article: Response to review comments
Response to review comments Open
1 we agree that there could be more discussion.However, the main focus of the paper has been to present new geophysical data and to justify the need to drill.We expect a number of followup papers after publication that deal with the more g…
View article: Borehole seismic in crystalline environment at the COSC-project in Central Sweden
Borehole seismic in crystalline environment at the COSC-project in Central Sweden Open
As support for the COSC drilling project (Collisional Orogeny in the Scandinavian Caledonides), an extensiveseismic survey took place during September and October 2014 in and around the newly drilled 2.5 km deepCOSC-1 borehole. The main ai…
View article: The derivation of an anisotropic velocity model from combined surface and borehole seismic experiments at the COSC-1 borehole, central Sweden
The derivation of an anisotropic velocity model from combined surface and borehole seismic experiments at the COSC-1 borehole, central Sweden Open
The Scandinavian Caledonides provide a well preserved example of a Paleozoic continent-continent collision,where the surface geology in combination with geophysical data provide control of the geometry of parts of theCaledonian structure. …
View article: Seismic imaging in the eastern Scandinavian Caledonides: siting the 2.5 km deep COSC-2 borehole, central Sweden
Seismic imaging in the eastern Scandinavian Caledonides: siting the 2.5 km deep COSC-2 borehole, central Sweden Open
The Collisional Orogeny in the Scandinavian Caledonides (COSC) project, a contribution to the International Continental Scientific Drilling Program (ICDP), aims to provide a deeper understanding of mountain belt dynamics. Scientific invest…
View article: 3D reflection seismic imaging at the 2.5km deep COSC-1 scientific borehole, central Scandinavian Caledonides
3D reflection seismic imaging at the 2.5km deep COSC-1 scientific borehole, central Scandinavian Caledonides Open
The 2.5 km deep scientific COSC-1 borehole (ICDP 5054-1-A) was successfully drilled with nearly complete core recovery during spring and summer of 2014. Downhole and on-core measurements through the targeted Lower Seve Nappe provide a comp…
View article: Geophysical studies of the upper crust of the central Swedish Caledonides in relation to the COSC scientific drilling project
Geophysical studies of the upper crust of the central Swedish Caledonides in relation to the COSC scientific drilling project Open
The Collisional Orogeny in the Scandinavian Caledonides (COSC) project aims to provide a deeper understanding of mountain belt dynamics through scientific deep drilling in the central parts of the mountain belt of western Sweden. The main …