Search Results - "Kothawala, D N"

Soil Properties Controlling the Adsorption of Dissolved Organic Carbon to Mineral Soils by Kothawala, D.N, Moore, T.R, Hendershot, W.H

“…Dissolved organic C (DOC) is the most reactive and mobile component of soil C and can be retained within mineral soils by adsorption. We determined the…”
Get full text

Biogeochemical tools for characterizing organic carbon in inland aquatic ecosystems by McCallister, S. L., Ishikawa, N. F., Kothawala, D. N.

“…Integration of inland waters into regional and global carbon (C) budgets requires a comprehensive understanding of factors regulating organic carbon (OC)…”
Get full text

Tracking changes in the optical properties and molecular composition of dissolved organic matter during drinking water production by Lavonen, E.E., Kothawala, D.N., Tranvik, L.J., Gonsior, M., Schmitt-Kopplin, P., Köhler, S.J.

“…Absorbance, 3D fluorescence and ultrahigh resolution electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI-FT-ICR-MS) were…”
Get full text

Changes in the molecular weight distribution of dissolved organic carbon within a Precambrian shield stream by Kothawala, D.N, Evans, R.D, Dillon, P.J

“…Dissolved organic carbon (DOC) is of environmental and biological significance to Precambrian shield streams. Our objective was to determine the extent of…”
Get full text

The influence of pH on dissolved organic matter fluorescence in inland waters by Groeneveld, M, Catalán, N, Einarsdottir, K, Bravo, A G, Kothawala, D N

“…Fluorescence is an easily available analytical technique used to assess the optical characteristics of dissolved organic matter (DOM). Despite widespread use,…”
Get more information

Stream Dissolved Organic Matter Composition Reflects the Riparian Zone, Not Upslope Soils in Boreal Forest Headwaters by Ledesma, J. L. J., Kothawala, D. N., Bastviken, P., Maehder, S., Grabs, T., Futter, M. N.

“…Despite the strong quantitative evidence that riparian zones (RZs) are the dominant source of dissolved organic carbon (DOC) to boreal streams, there is still…”
Get full text

Selective adsorption of dissolved organic matter to mineral soils by Kothawala, D.N., Roehm, C., Blodau, C., Moore, T.R.

“…As soil solutions pass through forested mineral soils, the chemical and structural compositions of dissolved organic carbon (DOC) can alter substantially due…”
Get full text

Adsorption of dissolved organic carbon to mineral soils: A comparison of four isotherm approaches by Kothawala, D.N., Moore, T.R., Hendershot, W.H.

“…The partitioning of dissolved organic carbon (DOC) within mineral soils is primarily controlled by adsorption to soil particle surfaces. We compare the…”
Get full text

Hourly, daily, and seasonal variability in the absorption spectra of chromophoric dissolved organic matter in a eutrophic, humic lake by Müller, R. A., Kothawala, D. N., Podgrajsek, E., Sahlée, E., Koehler, B., Tranvik, L. J., Weyhenmeyer, G. A.

“…The short‐term (hourly and daily) variation in chromophoric dissolved organic matter (CDOM) in lakes is largely unknown. We assessed the spectral…”
Get full text

Review article: Terrestrial dissolved organic carbon in northern permafrost by Heffernan, Liam, Kothawala, Dolly N, Tranvik, Lars J

“…As the permafrost region warms and permafrost soils thaw, vast stores of soil organic carbon (C) become vulnerable to enhanced microbial decomposition and…”
Get full text

Selective adsorption of dissolved organic matter to mineral soils by KOTHAWALA, D. N, ROEHM, C, BLODAU, C, MOORE, T. R

Get full text

Relationships between DOC concentration, molecular size and fluorescence properties of DOM in a stream by Wu, F.C., Kothawala, D.N., Evans, R.D., Dillon, P.J., Cai, Y.R.

“…The patterns of dissolved organic matter (DOM) fluorescence properties were examined in a Precambrian shield stream over a seven-month field study. Unique…”
Get full text

Relationships between DOC concentration, molecular size and fluorescence properties of DOM in a stream : Metal interactions with natural organic matter by WU, F. C, KOTHAWALA, D. N, EVANS, R. D, DILLON, P. J, CAI, Y. R

Get full text

Substrate selection and seasonal variation in abundance and size composition of isopod Lirceus fontinalis in Ontario streams, Canada by Zhao, Xiaoxia, Fox, Michael G., Lasenby, David C., Armit, Alexis C., Kothawala, Dolly N.

“…The abundance and size composition of stream isopods Lirceusfontinalis were investigated from April 2001 to August 2002 in 3 streams in southem Ontario,…”
Get full text