Blar i Institutt for miljø- og naturvitskap på forfatter "Jessen, Søren"
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Numerical modelling of permafrost spring discharge and open-system pingo formation induced by basal permafrost aggradation
Hornum, Mikkel Toft; Hodson, Andrew; Jessen, Søren; Bense, Victor; Senger, Kim (Journal article; Peer reviewed, 2020)In the high Arctic valley of Adventdalen, Svalbard, sub-permafrost groundwater feeds several pingo springs distributed along the valley axis. The driving mechanism for groundwater discharge and associated pingo formation ... -
Sub-permafrost methane seepage from open-system pingos in Svalbard
Hodson, Andrew; Nowak, Aga; Hornum, Mikkel Toft; Senger, Kim; Redeker, Kelly Robert; Christiansen, Hanne H; Jessen, Søren; Betlem, Peter; Thornton, Steve F.; Turchyn, Alexandra V.; Olaussen, Snorre; Marca, Alina (Journal article; Peer reviewed, 2020)Methane release from beneath lowland permafrost represents an important uncertainty in the Arctic greenhouse gas budget. Our current knowledge is arguably best developed in settings where permafrost is being inundated by ...