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Hauptverfasser:	Claesson Liljedahl, Lillemor, Hansson, Kent, Sundberg, Jan, Andersson, Lars, Kontula, Anne, Ruskenieemi, Timo, Henkemans, Emily, Mikkelsen, Per
Format:	Dataset Open Access
Sprache:	en
Veröffentlicht:	PANGAEA 2021
Schlagworte:	Boreholes; DATE/TIME; Depth, description; DEPTH, sediment/rock; DH-GAP04; DRILL; Drilling/drill rig; Greenland; groundwater; Head, hydraulic; hydraulic head; Kangerlussuaq; Monitoring; Permafrost; pressure; Pressure transducer (Druck PTX 1830)
Online-Zugang:	https://doi.org/10.1594/PANGAEA.928193
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

_version_	1867171025216602112
author	Claesson Liljedahl, Lillemor Hansson, Kent Sundberg, Jan Andersson, Lars Kontula, Anne Ruskenieemi, Timo Henkemans, Emily Mikkelsen, Per
author_facet	Claesson Liljedahl, Lillemor Hansson, Kent Sundberg, Jan Andersson, Lars Kontula, Anne Ruskenieemi, Timo Henkemans, Emily Mikkelsen, Per
collection	Datos científicos de ciencias marinas y ambientales
contents	The 650 m long proglacial bedrock borehole DH-GAP04 is angled under the Greenland Ice Sheet and is the only bedrock borehole in the Arctic providing deep groundwater information at an active ice sheet setting. DH-GAP04 is drilled at the Greenland ice sheet margin and the lower part of the borehole extends in under the ice sheet. Permafrost is observed in the upper ~400 m of the borehole. DH-GAP04 is outfitted with a downhole instrument cluster that includes two inflatable packers, which divides the borehole in three sections: Section Up (400-561 m), Section Mid (561-571 m) and Section Low ( 571-651 m). Absolute pressure is measured in each section at 1-4 hour intervals and converted to hydraulic head. This dataset presents the daily average hydraulic head record spanning July, 2011 to December, 2018. Details on how absolute pressure is converted to hydraulic head is found in the accompanying "READ ME" file.
format	Dataset Open Access
id	pangaea_https___doi_org_10_1594_PANGAEA_928193
institution	PANGAEA
language	en
publishDate	2021
publisher	PANGAEA
record_format	pangaea
spellingShingle	DH-GAP04 borehole hydraulic head, 2011 to 2018, Greenland Claesson Liljedahl, Lillemor Hansson, Kent Sundberg, Jan Andersson, Lars Kontula, Anne Ruskenieemi, Timo Henkemans, Emily Mikkelsen, Per Boreholes; DATE/TIME; Depth, description; DEPTH, sediment/rock; DH-GAP04; DRILL; Drilling/drill rig; Greenland; groundwater; Head, hydraulic; hydraulic head; Kangerlussuaq; Monitoring; Permafrost; pressure; Pressure transducer (Druck PTX 1830) The 650 m long proglacial bedrock borehole DH-GAP04 is angled under the Greenland Ice Sheet and is the only bedrock borehole in the Arctic providing deep groundwater information at an active ice sheet setting. DH-GAP04 is drilled at the Greenland ice sheet margin and the lower part of the borehole extends in under the ice sheet. Permafrost is observed in the upper ~400 m of the borehole. DH-GAP04 is outfitted with a downhole instrument cluster that includes two inflatable packers, which divides the borehole in three sections: Section Up (400-561 m), Section Mid (561-571 m) and Section Low ( 571-651 m). Absolute pressure is measured in each section at 1-4 hour intervals and converted to hydraulic head. This dataset presents the daily average hydraulic head record spanning July, 2011 to December, 2018. Details on how absolute pressure is converted to hydraulic head is found in the accompanying "READ ME" file.
title	DH-GAP04 borehole hydraulic head, 2011 to 2018, Greenland
topic	Boreholes; DATE/TIME; Depth, description; DEPTH, sediment/rock; DH-GAP04; DRILL; Drilling/drill rig; Greenland; groundwater; Head, hydraulic; hydraulic head; Kangerlussuaq; Monitoring; Permafrost; pressure; Pressure transducer (Druck PTX 1830)
url	https://doi.org/10.1594/PANGAEA.928193

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

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