Oceanography and methane of waters from the Lena Delta, supplement to: Bussmann, Ingeborg (2013): Distribution of methane
in the Lena Delta and Buor-Khaya Bay, Russia. Biogeosciences, 10(7), 4641-4652
Dataset Identification:
Resource Abstract:
Abstract: The Lena River is one of the largest Russian rivers draining into the Laptev Sea. The permafrost areas surrounding
the Lena are predicted to thaw at increasing rates due to global temperature increases. With this thawing, large amounts of
carbon either organic or in the gaseous forms carbon dioxide and methane will reach the waters of the Lena and the adjacent
Buor-Khaya Bay (Laptev Sea). Methane concentrations and the isotopic signal of methane in the waters of the Lena Delta and
estuary were monitored from 2008 to 2010. Creeks draining from permafrost soils produced hotspots for methane input into the
river system (median concentration 1500 nM) compared with concentrations of 30 85 nM observed in the main channels of the
Lena. No microbial methane oxidation could be detected; thus diffusion is the main process of methane removal. We estimated
that the riverine diffusive methane flux is 3 10 times higher than the flux from surrounding terrestrial environment. To maintain
the observed methane concentrations in the river, additional methane sources are necessary. The methane-rich creeks could
be responsible for this input.
Citation
Title Oceanography and methane of waters from the Lena Delta, supplement to: Bussmann, Ingeborg (2013): Distribution of methane
in the Lena Delta and Buor-Khaya Bay, Russia. Biogeosciences, 10(7), 4641-4652
notes: This metadata record was generated by an xslt transformation from a DataCite metadata record; The transform was created by
Damian Ulbricht and Stephen M. Richard. 2017-11-15 these records include new IEDA keywords for geoportal facets Run on 2018-11-28T23:21:33.667Z
Metadata hierarchy level name:
Supplementary Collection of Datasets
Metadata language
eng
Metadata character set encoding:
utf8
Metadata standard for this record:
ISO 19139 Geographic Information - Metadata - Implementation Specification
standard version:
2007
Metadata record identifier:
urn:datacite:metadata:Oceanography-and-methane-of-waters-from-the-Lena-Delta--supplement-to--Bussmann--Ingeborg-(2013)--Distribution-of-methane-in-the-Lena-Delta-and-Buor-Khaya-Bay--Russia.-Biogeosciences--10(7)--4641-4652
Metadata record format is ISO19139-2 XML (MI_Metadata)