Functional variability of dissolved organic matter from a productive lake

D Gondar; SA Thacker; E Tipping; Andrew Baker

doi:10.1016/j.watres.2007.07.006

Functional variability of dissolved organic matter from a productive lake

D Gondar, SA Thacker, E Tipping, Andrew Baker

Geography

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Abstract

Functional variability of dissolved organic matter (DOM) from the surface water of Esthwaite Water (N. England) was investigated using a series of 12 standardised assays, which provide quantitative information on light absorption, fluorescence, photochemical fading, pH buffering, copper binding, benzo(a)pyrene binding, hydrophilicity, and adsorption to alumina. Ten lakewater samples were collected at different times of year during 2003-2005, and DOM concentrates obtained by low-temperature rotary evaporation. Suwannee River Fulvic Acid was used as a quality control standard. For nine of the assays, variability among DOM samples was significantly (p

Original language	English
Pages (from-to)	81-90
Number of pages	10
Journal	Water Research
Volume	42
DOIs	https://doi.org/10.1016/j.watres.2007.07.006
Publication status	Published - 1 Jan 2008

Keywords

functions
dissolved organic matter
chlorophyll a
allochthonous
lakes
autochthonous

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10.1016/j.watres.2007.07.006

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AU - Thacker, SA

AU - Tipping, E

AU - Baker, Andrew

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N2 - Functional variability of dissolved organic matter (DOM) from the surface water of Esthwaite Water (N. England) was investigated using a series of 12 standardised assays, which provide quantitative information on light absorption, fluorescence, photochemical fading, pH buffering, copper binding, benzo(a)pyrene binding, hydrophilicity, and adsorption to alumina. Ten lakewater samples were collected at different times of year during 2003-2005, and DOM concentrates obtained by low-temperature rotary evaporation. Suwannee River Fulvic Acid was used as a quality control standard. For nine of the assays, variability among DOM samples was significantly (p

AB - Functional variability of dissolved organic matter (DOM) from the surface water of Esthwaite Water (N. England) was investigated using a series of 12 standardised assays, which provide quantitative information on light absorption, fluorescence, photochemical fading, pH buffering, copper binding, benzo(a)pyrene binding, hydrophilicity, and adsorption to alumina. Ten lakewater samples were collected at different times of year during 2003-2005, and DOM concentrates obtained by low-temperature rotary evaporation. Suwannee River Fulvic Acid was used as a quality control standard. For nine of the assays, variability among DOM samples was significantly (p

KW - functions

KW - dissolved organic matter

KW - chlorophyll a

KW - allochthonous

KW - lakes

KW - autochthonous

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DO - 10.1016/j.watres.2007.07.006

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SN - 1879-2448

VL - 42

SP - 81

EP - 90

JO - Water Research

JF - Water Research

ER -

Functional variability of dissolved organic matter from a productive lake

Abstract

Keywords

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