Shallow horizontal groundwater flow in peatlands is reduced by bacteriogenic gas production | Zendy

Baird Andrew J. | Zendy; Waldron Susan | Zendy

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Shallow horizontal groundwater flow in peatlands is reduced by bacteriogenic gas production

Author(s) -

Baird Andrew J.,

Waldron Susan

Publication year - 2003

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/2003gl018233

Subject(s) - peat , water table , geology , groundwater , hydrology (agriculture) , environmental science , table (database) , soil science , geotechnical engineering , ecology , computer science , data mining , biology

We tested the extent to which horizontal hydraulic conductivity ( K h ) below the water table in near‐surface peats is affected by the accumulation of biogenic gas bubbles. We found: (1) Immediately after water table rise the peat is not saturated. Levels of initial undersaturation were between 1 and 9 percent. (2) The production of biogenic gas bubbles below the water table causes large reductions (typically more than a factor of two) in K h .

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