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Folia Geographica 10. sējums - Latvijas Universitāte

Folia Geographica 10. sējums - Latvijas Universitāte

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DABAS PĒTĪJUMIReferencesAiken G. R., McKnight D.M. and Wershaw R.L. (Eds.) (1985). Humic Substances in Soil,Sediment, and Water. Geochemistry, Isolation and Characterization. Wiley, New York, 550 p.Barančikova G., Senesi N. and Brunetti G. (1997). Chemical and spectroscopiccharacterization of humic acids isolated form different Slovak soil types. Geoderma, vol. 78,pp.251-266.Chefetz B., Deshmukh A.P. and Hatcher P.G. (2000). Pyrene sorption by natural organicmatter. Environ. Sci. Technol., vol. 34(14), pp. 2925-2930.Chen Y., Senesi N. and Schnitzer M. (1977). Information provided on humic substances byE 4 /E 6 ratios. Soil Sci. Soc. Amer J., vol. 41(2), pp. 352-358.Chin Y-P., Aiken G. and O'Loughlin E. (1994). Molecular weight, polydispersity, andspectroscopic properties of aquatic humic substances. Environ. Sci. Technol., vol. 28(11), pp.1853-1858.Frimmel F.H. and Kumke M.U. (1998). Fluorescence decay of humic substances. Acomparative study. In: G.Davies and E.A.Ghabour (Eds.), Humic substances: structures,properties and uses. Royal Society of chemistry. Cambridge, pp. 113-123Hautala K., Peuravuori J. and Pihlaja K. (2000). Measurement of aquatic humus content byspectroscopic analyses. Wat. Res., vol. 34(1), pp.246-258.Kļaviņš M., Apsīte E. and Parele E. (1997). Humic substances in surface waters of Latvia.Proc. Latv. Acad. Sci., Ser. B, vol. 51 (3/4), pp. 143-153.Kļaviņš M., Seržāne J. and Supe A. (1999) Properties of soil and peat humic substances fromLatvia. Proc. Latv. Acad. Sci, ser B, vol. 53(5), pp. 249-256.Kļaviņš M. (1998). Aquatic humic substances: Characterisation, Structure and Genesis.Rīga:LU, 286 p.Louchouarn P., Apsahl S. and Benner R. (2000). Isolation and quantification of dissolvedlignin from natural waters using solid-phase extraction and GC-MS. Anal. Chem., vol. 72(13),pp. 2780-2787.Lu Q.X., Hanna J.V. and Johnson W.D. (2000). Source indicators of humic substances: anelemental composition, solid state 13 C CP/MAS NMR and Py-GC/MS study. Appl. Geochem.,vol. 15, pp. 1019-1033.Methods of Soil Analysis (1989). Madison, Wisconsin: American Society of Agronomy Inc.Publisher, 1247 p.Remaury M., Benmouffok A., Dagnac J. and Gauquelin Th. (1999). Pedogenesis anddistribution of humic substances in Pyrenean soils, France. Analusis, vol. 27(5), pp. 402-404.Senesi N. and Sakallariadou F. (1994). Structural and functional chemical properties ofmarine and coastal sedimentary humic acids. Environ. Internat., vol.20(1), pp.3-9.Senesi N. and Steelink C. (1989). Application of ESR spectroscopy to the study of humicsubstances. In: Humic substances II. In search of structure. M.B.H. Hayes, P. MacCarthy, R.L.Malcolm and R.S. Swift (Eds.). New York :Wiley, pp. 373-408.Thurman E. M. (1985). Organic Geochemistry of Natural Waters. Wageningen: MartinusNijhoff/Dr.W.Junk Publishers, 234 p.Thurman E. M. and Malcolm R.L. (1981). Preparative isolation of aquatic humic substances.Environ. Sci. Technol., vol. 15, pp. 463-466.54

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