Norbert E Kaul
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View article: Influence of Transient Bottom Water Temperature Variations on Geothermal Heat Flow Measurements From the Bellingshausen Sea, West Antarctica, and the Baltic Sea
Influence of Transient Bottom Water Temperature Variations on Geothermal Heat Flow Measurements From the Bellingshausen Sea, West Antarctica, and the Baltic Sea Open
Geothermal heat flow (GHF) data provide important constraints for ice‐sheet flow dynamics as GHF affects sliding conditions at the ice‐bed contact and englacial temperatures. However, marine measurements of the geothermal gradients can get…
View article: High variability and exceptionally low thermal conductivities in nearshore sediments: a case study from the Eckernförde Bay
High variability and exceptionally low thermal conductivities in nearshore sediments: a case study from the Eckernförde Bay Open
Heat flow measurements are a standard technique in Geophysics both onshore and offshore. Recently, such measurements became increasingly important in shallow waters. The increasing amount of offshore power installations makes it necessary …
View article: Recent and episodic activity of decoupled mud/fluid discharge at Sartori mud volcano in the Calabrian Arc, Mediterranean Sea
Recent and episodic activity of decoupled mud/fluid discharge at Sartori mud volcano in the Calabrian Arc, Mediterranean Sea Open
Mud volcanoes (MVs) are surface structures typically created by episodic discharge of fluids and solids, often associated to onshore and offshore accretionary prisms on convergent plate boundaries. Detailed investigations of ongoing activi…
View article: Quality-assurance of heat-flow data: The new structure and evaluation scheme of the IHFC Global Heat Flow Database
Quality-assurance of heat-flow data: The new structure and evaluation scheme of the IHFC Global Heat Flow Database Open
Since 1963, the International Heat Flow Commission has been fostering the compilation of the Global Heat Flow
\nDatabase to provide reliable heat-flow data. Over time, techniques and methodologies evolved, calling for a
\nreorganization of…
View article: Fluid Dynamics of the São Jorge Channel, Azores Plateau – First results of RV Meteor expedition M18
Fluid Dynamics of the São Jorge Channel, Azores Plateau – First results of RV Meteor expedition M18 Open
Young oceanic plateaus are important for fluid exchange between the lithosphere and the ocean. Increased heat fluxes can lead to a large-scale upwelling of fluids that play a role in global elemental cycles. In addition, variations in flui…
View article: High Heat Flow Anomaly Within the St Paul Fracture Zone: Heat Advection and/or Inherent Thermal Structure?
High Heat Flow Anomaly Within the St Paul Fracture Zone: Heat Advection and/or Inherent Thermal Structure? Open
Heat flow across oceanic transform faults (TFs) and fracture zones (FZs) has rarely been studied in detail, despite these features representing distinct thermal boundaries within the oceanic lithosphere. Here, we present heat flow measurem…
View article: Clumped methane isotopologue-based temperature estimates for sources of methane in marine gas hydrates and associated vent gases
Clumped methane isotopologue-based temperature estimates for sources of methane in marine gas hydrates and associated vent gases Open
Earth and Space Science Open Archive This work has been accepted for publication in Geochimica et Cosmochimica Acta. Version of RecordESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary. Learn …
View article: Clumped methane isotopologue-based temperature estimates for sources of methane in marine gas hydrates and associated vent gases
Clumped methane isotopologue-based temperature estimates for sources of methane in marine gas hydrates and associated vent gases Open
Earth and Space Science Open Archive This work has been accepted for publication in Geochimica et Cosmochimica Acta. Version of RecordESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary. Learn …
View article: Oceanic strike-slip faults represent active fluid conduits in the abyssal sub-seafloor
Oceanic strike-slip faults represent active fluid conduits in the abyssal sub-seafloor Open
We present pore-fluid geochemistry and heat-flow data along the SWIM1 fault in the Horseshoe Abyssal Plain (northeastern Atlantic Ocean). The SWIM1 fault is part of the transcurrent plate boundary between Africa and Eurasia and cuts throug…
View article: Bathymetric and Seismic Data, Heat Flow Data, and Age Constraints of Le Gouic Seamount, Northeastern Atlantic
Bathymetric and Seismic Data, Heat Flow Data, and Age Constraints of Le Gouic Seamount, Northeastern Atlantic Open
Until the year 2019 only around 15% of the Earth’s seafloor were mapped at fine spatial resolution (<800 m) by multibeam echosounder systems (Wölfl et al., 2019). Most of our knowledge of global bathymetry is based on depths predicted by grav…
View article: Heat flow data at station HF1626 during RV SONNE cruise SO247
Heat flow data at station HF1626 during RV SONNE cruise SO247 Open
We used the 6 m long Bremen heat flow probe also called Giant Heat Flow Probe (GHF). The heat probe is constructed in the classical “violin bow” design (Hyndman et al., 1979; Hartmann and Villinger, 2002, Villinger et al., 2010), with 21 t…
View article: Hydrothermal Activity at a Cretaceous Seamount, Canary Archipelago, Caused by Rejuvenated Volcanism
Hydrothermal Activity at a Cretaceous Seamount, Canary Archipelago, Caused by Rejuvenated Volcanism Open
Our knowledge of venting at intraplate seamounts is limited. Almost nothing is known about past hydrothermal activity at seamounts, because indicators are soon blanketed by sediment. This study provides evidence for temporary hydrothermal …
View article: Quest for Fluid Flow along the Gloria Fault &#8211; First results of R/V Meteor expedition 162
Quest for Fluid Flow along the Gloria Fault – First results of R/V Meteor expedition 162 Open
<p>Vast areas of the deep ocean floor are still insufficiently explored with respect to tectonic processes, exchange processes between the lithosphere and the ocean, and potential deep chemosynthetic energy sources for life. Transfor…
View article: Exploring subsurface fluid flow and active dewatering along the oceanic plate boundary between Africa and Eurasia (Gloria Fault), Cruise No. M162, 06.03.2020 - 11.04.2020, Ponta Delgada (Portugal) - Emden (Germany)
Exploring subsurface fluid flow and active dewatering along the oceanic plate boundary between Africa and Eurasia (Gloria Fault), Cruise No. M162, 06.03.2020 - 11.04.2020, Ponta Delgada (Portugal) - Emden (Germany) Open
R/V Meteor cruise M162 was conducted as a systematic continuation of ongoing work dedicated to understand if and howfluid flow through crust and sedimentscontinues along transform-type plate boundaries and fracture zones away from mid-ocea…
View article: Heat flows and chemical composition of volcanic samples from Henry Seamount, Meteor cruise M146
Heat flows and chemical composition of volcanic samples from Henry Seamount, Meteor cruise M146 Open
Our knowledge of venting at intraplate seamounts is limited. Almost nothing is known about past hydrothermal activity at seamounts, because indicators are soon blanketed by sediment. This study provides evidence for temporary hydrothermal …
View article: Report and preliminary results of R/V SONNE cruise SO251, Extreme events Archived in the GEological Record of Japan s Subduction margins (EAGER-Japan), Leg A SO251-1, Yokohama - Yokohama, 04.10.2016 - 15.10.2016, Leg B SO251-2, Yokohama - Yokohama, 18.10.2016 - 02.11.2016.
Report and preliminary results of R/V SONNE cruise SO251, Extreme events Archived in the GEological Record of Japan s Subduction margins (EAGER-Japan), Leg A SO251-1, Yokohama - Yokohama, 04.10.2016 - 15.10.2016, Leg B SO251-2, Yokohama - Yokohama, 18.10.2016 - 02.11.2016. Open
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View article: A Fluid Pulse on the Hikurangi Subduction Margin: Evidence From a Heat Flux Transect Across the Upper Limit of Gas Hydrate Stability
A Fluid Pulse on the Hikurangi Subduction Margin: Evidence From a Heat Flux Transect Across the Upper Limit of Gas Hydrate Stability Open
A transect of seafloor heat probe measurements on the Hikurangi Margin shows a significant increase of thermal gradients upslope of the updip limit of gas hydrate stability at the seafloor. We interpret these anomalously high thermal gradi…
View article: Marine in-situ heat flow data from West Antarctica during POLARSTERN cruise ANT-XXIV/3
Marine in-situ heat flow data from West Antarctica during POLARSTERN cruise ANT-XXIV/3 Open
Focused research on the Pine Island and Thwaites glaciers, which drain the West Antarctic Ice Shelf (WAIS) into the Amundsen Sea Embayment (ASE), revealed strong signs of instability in recent decades that result from variety of reasons, s…
View article: Report and preliminary results of R/V SONNE Cruise SO251 - Extreme events Archived in the GEologial Record of JAPAN's subduction margins (EAGER-JAPAN)
Report and preliminary results of R/V SONNE Cruise SO251 - Extreme events Archived in the GEologial Record of JAPAN's subduction margins (EAGER-JAPAN) Open
Leg A SO251-1, Yokohama - Yokohama, 04.10.2016 - 15.10.2016, Leg B SO251-2, Yokohama - Yokohama, 18.10.2016 - 02.11.2016
View article: Marine heat flow data from the South West Indian Ridge during POLARSTERN cruise ANT-XXIX/8
Marine heat flow data from the South West Indian Ridge during POLARSTERN cruise ANT-XXIX/8 Open
The relation of tectonics and geochemical cycling at magma-starved ultraslow spreading ridges are hardly understood. Here we present yield-strength profiles, heat flow determinations, geochemical- and microbiological results from the axial…
View article: Heat flow profile HF1625 across Hikurangi Margin, New Zealand during SONNE cruise SO247 (SlamZ)
Heat flow profile HF1625 across Hikurangi Margin, New Zealand during SONNE cruise SO247 (SlamZ) Open
A transect of seafloor heat probe measurements on the Hikurangi Margin shows a significant increase of thermal gradients upslope of the pinchout of the base of gas hydrate stability. We attribute these anomalously high thermal gradients to…
View article: MATLAB scripts to calculate the water budget in the Kumano Basin, offshore Japan
MATLAB scripts to calculate the water budget in the Kumano Basin, offshore Japan Open
Two matlab scripts which simulate water emission from the subducting plate and in the inner accretionary prism.
View article: Formation of hydrothermal pits and the role of seamounts in the Guatemala Basin (Equatorial East Pacific) from heat flow, seismic, and core studies
Formation of hydrothermal pits and the role of seamounts in the Guatemala Basin (Equatorial East Pacific) from heat flow, seismic, and core studies Open
We acquired seismic and heat flow data and collected sediment cores in three areas in the Guatemala Basin (Cocos Plate, Eastern Pacific) to investigate the process by which depressions (pits) in the sedimentary cover on young oceanic crust…