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Biogeochemical Interactions between Soil, Soil Solution and Stream Water
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för naturvetenskap.
2007 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Ort, förlag, år, upplaga, sidor
Sundsvall: Mittuniversitetet , 2007. , s. 32
Serie
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 16
Nyckelord [en]
discharge area, dissolved organic carbon, Norway spruce, parent material, recharge area
Nationell ämneskategori
Annan medicinsk grundvetenskap
Identifikatorer
URN: urn:nbn:se:miun:diva-8884ISBN: 978-91-85317-40-0 (tryckt)OAI: oai:DiVA.org:miun-8884DiVA, id: diva2:216074
Disputation
2007-03-29, Sundsvall, 00:00 (Engelska)
Opponent
Tillgänglig från: 2009-05-06 Skapad: 2009-05-06 Senast uppdaterad: 2018-01-13Bibliografiskt granskad
Delarbeten
1. The influence of alkaline and non-alkaline parent material on soil chemistry
Öppna denna publikation i ny flik eller fönster >>The influence of alkaline and non-alkaline parent material on soil chemistry
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2006 (Engelska)Ingår i: Geoderma, ISSN 0016-7061, E-ISSN 1872-6259, Vol. 135, s. 97-106Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The gneiss bedrock at Alnö Island, (62o24N, 17o30E) in the middle of Sweden, has alkaline intrusions interspersed in narrow dikes. This gives an opportunity to study the impact of different parent material on soil solution in a homogeneous spruce stand. In this study, the alkaline parent materials gave rise to a soil solution with significantly (p 0.05) higher concentrations of DOC, SO4, NO3, Ca and Mg compared to the non-alkaline sites. For the deepest mineral horizons, 25-30cm, F and pH were also higher in the alkaline soil solutions. There were almost no differences between the organic horizons at alkaline and non-alkaline sites, probably explained by the influence of litter and recirculation of nutrients. The multivariate analyses emphasized the correlation between the parent material and the soil solution concentrations of Ca, Mg, PO4 and Al. The data were statistically evaluated by t-tests, ANOVA (Analysis of variances), PCA (Principal Component Analysis) and PLS (Partial Least Squares regression).

Nyckelord
parent material, soil solution chemistry, calcareous soil, nitrification
Nationell ämneskategori
Kemi
Identifikatorer
urn:nbn:se:miun:diva-2961 (URN)10.1016/j.geoderma.2005.11.013 (DOI)000241705200009 ()2-s2.0-33749537315 (Scopus ID)2695 (Lokalt ID)2695 (Arkivnummer)2695 (OAI)
Anmärkning

VR-Ecology

Tillgänglig från: 2008-12-04 Skapad: 2008-12-04 Senast uppdaterad: 2017-12-12Bibliografiskt granskad
2. Growth and chemical characterisation of Norway spruce grown on alkaline and non-alkaline soil
Öppna denna publikation i ny flik eller fönster >>Growth and chemical characterisation of Norway spruce grown on alkaline and non-alkaline soil
(Engelska)Manuskript (Övrigt vetenskapligt)
Nyckelord
parent material, nutrients, soil solution, tree growth
Nationell ämneskategori
Kemi
Identifikatorer
urn:nbn:se:miun:diva-6312 (URN)4462 (Lokalt ID)4462 (Arkivnummer)4462 (OAI)
Tillgänglig från: 2009-01-28 Skapad: 2009-01-28 Senast uppdaterad: 2010-01-14Bibliografiskt granskad
3. Soil solution and stream water chemistry in a forested catchment I: Dynamics
Öppna denna publikation i ny flik eller fönster >>Soil solution and stream water chemistry in a forested catchment I: Dynamics
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2008 (Engelska)Ingår i: Geoderma, ISSN 0016-7061, E-ISSN 1872-6259, Vol. 144, nr 1/2, s. 256-270Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Soil solution and stream water chemistry were studied during two years in a catchment in Bispgården in central Sweden (63°07′N, 16°70′E). Soil samples and soil solution were collected in a slope at two distances (10 and 80 m) from a stream. The aims were to examine interactions between recharge (podzol) and discharge (arenosol) areas and to investigate the relations between soil solution and stream water chemistry. The parent material was similar within the catchment, but the content of C and N were higher in the discharge area most likely due to the difference in hydrological conditions compared to the recharge area. Exchangeable cations and base saturation were higher in the discharge area than in the recharge area, which may be due to the higher content of C. The concentrations in soil solution of H, DOC, NO3, SO4, Al, Si, Ca and K charge area compared to the recharge area which was probably caused by transportation of elements in soil and retention due to the increased content of C. During snow melt, the concentrations in soil solution of DOC, SO4, Al, Si, Ca and K were low due to dilution and low biological activity. The concentrations were then increasing during the seasons as an effect of biological activity and mineral weathering. NO3 concentration in soil solution was found in higher concentrations during snow melting and was then diminishing during summer likely as a result of biological uptake. After a dry period followed by an intensive rain in August 2003, the stream water chemistry was markedly altered for a few days. The concentrations of H, DOC SO4, Al and Ca were increased and the concentration of Si was decreased in the stream water. It therefore appeared that the stream water mirrored the upper soil horizons in the discharge area during high flows, while reflecting the lower soil horizons and ground water during low flows.

Nyckelord
Catchment, soil solution
Nationell ämneskategori
Kemi
Identifikatorer
urn:nbn:se:miun:diva-3614 (URN)10.1016/j.geoderma.2007.11.026 (DOI)000254473000024 ()2-s2.0-39549097317 (Scopus ID)5600 (Lokalt ID)5600 (Arkivnummer)5600 (OAI)
Anmärkning
VR-EcologyTillgänglig från: 2008-12-04 Skapad: 2008-11-19 Senast uppdaterad: 2017-12-12Bibliografiskt granskad
4. Soil solution and stream water chemistry in a forested catchment II: Influence of organic matter
Öppna denna publikation i ny flik eller fönster >>Soil solution and stream water chemistry in a forested catchment II: Influence of organic matter
2008 (Engelska)Ingår i: Geoderma, ISSN 0016-7061, E-ISSN 1872-6259, Vol. 144, nr 2008, s. 271-278Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Differences between recharge and discharge areas in soil forming processes and nutrient conditions were observed in an earlier study of a catchment area in central Sweden (63°07′N, 16°70′E; Vestin, J.L.K., Norström, S.H., Bylund, D., Mellander, P-E., Lundström, U.S., submitted for publication to Geoderma. Soil solution and stream water chemistry in a forested catchment, I Dynamics.). To further examine the factors that determine the soil and stream water properties in the catchment area, the present study focused on the organic dynamics and the association of cations to different size fractions of organic matter. Six sampling plots were established in each of the recharge and discharge areas, respectively, with samples taken in June 2004. Dissolved organic carbon (DOC) and cation concentrations in the soil solution and stream water were determined. In the recharge area, low molecular mass (LMM) organics played an important role in transportation of several cations through the soil profile, inducing the podzolisation process by associating with Al and Fe. In the discharge area close to the stream, high molecular mass (HMM) organics appeared to play a crucial role in transportation of cations. Here the majority of recovered cations were associated with HMM organic matter, inhibiting the podzolisation process. The total concentration of C and DOC was higher than in the recharge area, and the concentration of cations increased with depth in the mineral soil. In the stream water, as in the discharge area soil solution, all carboxylic groups were associated to cations. Both Al and Fe were completely associated with the HMM DOC fraction, which indicated a rapid turnover of LMM DOC in stream water. Thus we conclude that DOC plays an important role in soil forming processes, and that its different size fractions have large effects on the transportation of elements in different soils and in stream water.

Nyckelord
Stream water, DOC, LMWOA, Ca, Al, Fe
Nationell ämneskategori
Kemi
Identifikatorer
urn:nbn:se:miun:diva-4531 (URN)10.1016/j.geoderma.2007.11.027 (DOI)000254473000025 ()2-s2.0-39549106689 (Scopus ID)5601 (Lokalt ID)5601 (Arkivnummer)5601 (OAI)
Anmärkning
VR-EcologyTillgänglig från: 2008-12-08 Skapad: 2008-11-19 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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