Drainage ditch erosion history as record
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Olavi Sandman; Anita Lichu; Heikki Simola
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Article
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1990
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Springer Netherlands
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English
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Short core stratigraphy of total N, P, Zn, Hg and diatoms were investigated in the varved sediment of Lake Hein~lampi, a small 8 m deep pond in East Finland. The sediment has recently changed from organic mud to minerogenic silt. The presence of varved sediment offers independent control for 2~~ and