Simultaneous groundwater table fluctuation in different parts of virgin pine mires.

Kurimo, Heikki

doi:10.14214/sf.a15391

Cited by 1 publication

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“…The interpreted history of development for these bogs also conforms closely to that derived from recent hydrodynamic models of bog formation (Clymo 1978, 1984, Ingram 1978. The models in turn describe changes in bog shape and hydrology that may have direct application towards understanding landform changes on the mires.…”

Section: Bog Development: Empirical Results and Theoretical Modelssupporting

confidence: 73%

“…The developmental pattern described by hydrodynamic modelling and conforming generally to the results from Hammarmossen and Nittenmossen (sequence of basal dates; curve of basal age vs. depth) suggest a long continuity of general processes and hydrology on bogs (Clymo 1984). The hydrology, in particular the depth to water table and seepage gradient, should be largely controlled by this gross morphology, especially the topographic gradient (Ivanov 1981, Kurimo 1984. Steep marginal slopes would be expected to have steeper seepage gradients and greater depth to the water table than the increasingly broad and more level bog expanse (Rycroft 1971, Damman and Donham 1981, Bragg 1982.…”

Section: Bog Development: Empirical Results and Theoretical Modelsmentioning

confidence: 99%

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Role of Ecosystem Development and Climate Change in Bog Formation in Central Sweden

Foster¹,

Wright²

1990

Ecology

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Abstract. Bog development, in terms of the rates of horizontal and vertical accumulation of peat and the timing of landform development of open-water pools, was examined on two concentric raised bogs in central Sweden. The results are compared with three models (allogenic, autogenic, and neutral models) of bog development in order to evaluate the relative contribution of environmental factors vs. ecosystem control of developmental processes. Both mires began to grow on discrete upland sites -6000 BP and then spread concentrically and accumulated peat vertically at approximately continuous rates to the present. Radiocarbon dates from pool sediments are progressively younger from the center to the margin of the mire, suggesting that pool formation is triggered autogenically by changes in hydrology. The results conform to hydrological models of mire formation based on groundwater mound equations and suggest that autogenic processes exert a major control over bog expansion, landform development, and the formation of conspicuous features in the stratigraphic record.

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Section: Bog Development: Empirical Results and Theoretical Modelssupporting

confidence: 73%

Section: Bog Development: Empirical Results and Theoretical Modelsmentioning

confidence: 99%

Role of Ecosystem Development and Climate Change in Bog Formation in Central Sweden

Foster¹,

Wright²

1990

Ecology

View full text Add to dashboard Cite

show abstract

Simultaneous groundwater table fluctuation in different parts of virgin pine mires.

Cited by 1 publication

References 0 publications

Role of Ecosystem Development and Climate Change in Bog Formation in Central Sweden

Role of Ecosystem Development and Climate Change in Bog Formation in Central Sweden

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