Organic characterisation of cave drip water by LC-OCD and fluorescence analysis

Research output: Contribution to journalArticlepeer-review

Standard

Organic characterisation of cave drip water by LC-OCD and fluorescence analysis. / Rutlidge, Helen; Andersen, Martin S.; Baker, Andy; Chinu, Khorshed J.; Cuthbert, Mark O.; Jex, Catherine N.; Marjo, Christopher E.; Markowska, Monika; Rau, Gabriel C.

In: Geochimica et Cosmochimica Acta, Vol. 166, 01.10.2015, p. 15-28.

Research output: Contribution to journalArticlepeer-review

Harvard

Rutlidge, H, Andersen, MS, Baker, A, Chinu, KJ, Cuthbert, MO, Jex, CN, Marjo, CE, Markowska, M & Rau, GC 2015, 'Organic characterisation of cave drip water by LC-OCD and fluorescence analysis', Geochimica et Cosmochimica Acta, vol. 166, pp. 15-28. https://doi.org/10.1016/j.gca.2015.05.042

APA

Rutlidge, H., Andersen, M. S., Baker, A., Chinu, K. J., Cuthbert, M. O., Jex, C. N., Marjo, C. E., Markowska, M., & Rau, G. C. (2015). Organic characterisation of cave drip water by LC-OCD and fluorescence analysis. Geochimica et Cosmochimica Acta, 166, 15-28. https://doi.org/10.1016/j.gca.2015.05.042

Vancouver

Author

Rutlidge, Helen ; Andersen, Martin S. ; Baker, Andy ; Chinu, Khorshed J. ; Cuthbert, Mark O. ; Jex, Catherine N. ; Marjo, Christopher E. ; Markowska, Monika ; Rau, Gabriel C. / Organic characterisation of cave drip water by LC-OCD and fluorescence analysis. In: Geochimica et Cosmochimica Acta. 2015 ; Vol. 166. pp. 15-28.

Bibtex

@article{8dce74d3783f455393695760aac4024f,
title = "Organic characterisation of cave drip water by LC-OCD and fluorescence analysis",
abstract = "Cathedral Cave, Wellington, Australia, is a natural laboratory for studying water movement and geochemical processes in the unsaturated zone by using artificial irrigation to activate drip sites within the cave. Water sampled from two drip sites activated by irrigations carried out in summer 2014 was analysed for dissolved inorganic ions and fluorescent organic matter. The analysis allowed the development of a conceptual flow path model for each drip site. DOM analysis was further complemented by liquid chromatography with organic carbon detection (LC-OCD), applied for the first time to karst drip waters, allowing the characterisation of six organic matter fractions. The differences in organic matter fractions at each drip site are interpreted as a signature of the proposed flow paths. LC-OCD was also compared with parallel factor analysis (PARAFAC) of the fluorescence and good correlations were observed for high molecular weight organic matter. Strong positive correlations were also observed for high molecular weight matter and Cu and Ni. This is suggestive of colloidal transport of Cu and Ni by organic matter with high molecular weight, while small molecular weight colloids were not efficient transporters. LC-OCD uniquely provides information on non-fluorescent organic matter and can be used to further quantify drip water organic matter composition.",
author = "Helen Rutlidge and Andersen, {Martin S.} and Andy Baker and Chinu, {Khorshed J.} and Cuthbert, {Mark O.} and Jex, {Catherine N.} and Marjo, {Christopher E.} and Monika Markowska and Rau, {Gabriel C.}",
year = "2015",
month = oct,
day = "1",
doi = "10.1016/j.gca.2015.05.042",
language = "English",
volume = "166",
pages = "15--28",
journal = "Geochimica et Cosmochimica Acta",
issn = "0016-7037",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Organic characterisation of cave drip water by LC-OCD and fluorescence analysis

AU - Rutlidge, Helen

AU - Andersen, Martin S.

AU - Baker, Andy

AU - Chinu, Khorshed J.

AU - Cuthbert, Mark O.

AU - Jex, Catherine N.

AU - Marjo, Christopher E.

AU - Markowska, Monika

AU - Rau, Gabriel C.

PY - 2015/10/1

Y1 - 2015/10/1

N2 - Cathedral Cave, Wellington, Australia, is a natural laboratory for studying water movement and geochemical processes in the unsaturated zone by using artificial irrigation to activate drip sites within the cave. Water sampled from two drip sites activated by irrigations carried out in summer 2014 was analysed for dissolved inorganic ions and fluorescent organic matter. The analysis allowed the development of a conceptual flow path model for each drip site. DOM analysis was further complemented by liquid chromatography with organic carbon detection (LC-OCD), applied for the first time to karst drip waters, allowing the characterisation of six organic matter fractions. The differences in organic matter fractions at each drip site are interpreted as a signature of the proposed flow paths. LC-OCD was also compared with parallel factor analysis (PARAFAC) of the fluorescence and good correlations were observed for high molecular weight organic matter. Strong positive correlations were also observed for high molecular weight matter and Cu and Ni. This is suggestive of colloidal transport of Cu and Ni by organic matter with high molecular weight, while small molecular weight colloids were not efficient transporters. LC-OCD uniquely provides information on non-fluorescent organic matter and can be used to further quantify drip water organic matter composition.

AB - Cathedral Cave, Wellington, Australia, is a natural laboratory for studying water movement and geochemical processes in the unsaturated zone by using artificial irrigation to activate drip sites within the cave. Water sampled from two drip sites activated by irrigations carried out in summer 2014 was analysed for dissolved inorganic ions and fluorescent organic matter. The analysis allowed the development of a conceptual flow path model for each drip site. DOM analysis was further complemented by liquid chromatography with organic carbon detection (LC-OCD), applied for the first time to karst drip waters, allowing the characterisation of six organic matter fractions. The differences in organic matter fractions at each drip site are interpreted as a signature of the proposed flow paths. LC-OCD was also compared with parallel factor analysis (PARAFAC) of the fluorescence and good correlations were observed for high molecular weight organic matter. Strong positive correlations were also observed for high molecular weight matter and Cu and Ni. This is suggestive of colloidal transport of Cu and Ni by organic matter with high molecular weight, while small molecular weight colloids were not efficient transporters. LC-OCD uniquely provides information on non-fluorescent organic matter and can be used to further quantify drip water organic matter composition.

UR - http://www.scopus.com/inward/record.url?scp=84934942843&partnerID=8YFLogxK

U2 - 10.1016/j.gca.2015.05.042

DO - 10.1016/j.gca.2015.05.042

M3 - Article

AN - SCOPUS:84934942843

VL - 166

SP - 15

EP - 28

JO - Geochimica et Cosmochimica Acta

JF - Geochimica et Cosmochimica Acta

SN - 0016-7037

ER -