2003
DOI: 10.1016/j.jappgeo.2003.08.005
|View full text |Cite
|
Sign up to set email alerts
|

Geophysical investigation of buried Pleistocene subglacial valleys in Northern Germany

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
1
1
1
1

Citation Types

3
63
0
1

Year Published

2011
2011
2022
2022

Publication Types

Select...
6
2

Relationship

0
8

Authors

Journals

citations
Cited by 87 publications
(67 citation statements)
references
References 12 publications
3
63
0
1
Order By: Relevance
“…Very localised, fresh groundwater discharge occurs, for example, near Sahlenburg (cf. Gabriel et al 2003) or near the island of Sylt (cf. Zipperle and Reise 2005).…”
Section: Study Areasmentioning
confidence: 99%
See 1 more Smart Citation
“…Very localised, fresh groundwater discharge occurs, for example, near Sahlenburg (cf. Gabriel et al 2003) or near the island of Sylt (cf. Zipperle and Reise 2005).…”
Section: Study Areasmentioning
confidence: 99%
“…Somewhat unrelated to the large-scale trends are the long-lived Ra isotope activities in our fresh groundwater, which originates from an aquifer related to a buried valley from a past glacial period (Gabriel et al 2003 Moore et al 1995), the absolute magnitude of Ra activities in the open North Sea is distinctly smaller. At a distance of 60 km offshore, only a negligible activity of short-lived Ra was measured, whereas in the Amazon shelf and the Gulf of Mexico, the decrease of the coastal Ra signal could be followed over tens to hundreds of kilometres.…”
mentioning
confidence: 99%
“…However, the majority of studies to date have focused on the use of gravity (e.g., Greenhouse and Monier-Williams 1986;Gabriel et al 2003;Gabriel 2006;Møller et al 2007;Zweirs et al 2008;Bajc and Rainsford 2010;Burt and Rainsford 2010), which exploits changes in subsurface bulk density and ground and airborne transient electromagnetic methods (e.g., Jørgensen et al 2003aJørgensen et al , 2003bJørgensen et al , 2013Sørensen and Auken 2004;Steuer et al 2009;Høyer et al 2015;Oldenborger et al 2016). While gravity methods can be highly effective in mapping changes in bedrock elevation, they provide limited insight about Quaternary infill and architecture, and are frequently accompanied by significant uncertainty in the true bedrock elevation in the absence of borehole logs.…”
Section: Geophysical Investigations Of Buried Valleysmentioning
confidence: 99%
“…Studies utilizing multiple geophysical methods combined with geologic and hydrogeologic data are particularly effective for 3D mapping of hydrostratigraphic units (e.g., Gabriel et al 2003;Jørgensen et al 2003aJørgensen et al , 2003bSteuer et al 2009; Stumpf and Ismail 2013;Cassidy et al 2014;Sapia et al 2014). In Ontario, shallow seismic reflection, gravity, and electromagnetic surveys have been used at mostly regional scales to delineate the nature of the infilled sediment and bedrock valley geometry (e.g., Greenhouse and Monier-Williams 1986;Greenhouse and Karrow 1994;Zweirs et al 2008;Burt 2011;Bajc et al 2012;Pugin et al 2013).…”
Section: Introductionmentioning
confidence: 99%
“…Ground-penetrating radar studies of eskers, push moraines and outwash deposits yield amazingly detailed images on an outcrop scale (Bakker & van der Meer 2003;Winsemann et al 2009). Because of the cost and impracticalities of acquiring reflection seismic data in populated onshore areas, and because of the ability of electromagnetic and electrical methods to image resistivity changes between sands and clays and salinity changes in groundwater, potential field and electromagnetic methods, in particular using airborne electromagnetic equipment, have been employed with impressive results to locate groundwater reserves hosted in tunnel valleys (Danielsen et al 2003;Gabriel et al 2003;Jørgen-sen & Sandersen 2006;Kehew et al 2012;Sandersen & Jørgensen 2012). Potential field methods have also been used offshore where high-pass or gradient processed gravity and aero-magnetic data sets can yield spectacularly continuous images of nearsurface tunnel valley systems (Olesen et al 2010).…”
Section: Geophysical Imaging Of Glaciogenic Reservoirsmentioning
confidence: 99%