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Atmospheric deposition versus rock weathering in the control of streamwater chemistry in a tropical rain-forest catchment in Malaysian Borneo

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Atmospheric deposition versus rock weathering in the control of streamwater chemistry in a tropical rain-forest catchment in Malaysian Borneo. / Yamashita, N.; Sase, H.; Kobayashi, R.; Peng, Leong Kok; Hanapi, Jamal Mohd; Uchiyama, S.; Urban, S.; Ying-Ying, Toh; Muhamad, Maznorizan; Gidiman, Jikos; Chappell, Nick A.

In: Journal of Tropical Ecology, Vol. 30, No. 5, 09.2014, p. 481-492.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Yamashita, N, Sase, H, Kobayashi, R, Peng, LK, Hanapi, JM, Uchiyama, S, Urban, S, Ying-Ying, T, Muhamad, M, Gidiman, J & Chappell, NA 2014, 'Atmospheric deposition versus rock weathering in the control of streamwater chemistry in a tropical rain-forest catchment in Malaysian Borneo', Journal of Tropical Ecology, vol. 30, no. 5, pp. 481-492. https://doi.org/10.1017/S0266467414000303

APA

Yamashita, N., Sase, H., Kobayashi, R., Peng, L. K., Hanapi, J. M., Uchiyama, S., Urban, S., Ying-Ying, T., Muhamad, M., Gidiman, J., & Chappell, N. A. (2014). Atmospheric deposition versus rock weathering in the control of streamwater chemistry in a tropical rain-forest catchment in Malaysian Borneo. Journal of Tropical Ecology, 30(5), 481-492. https://doi.org/10.1017/S0266467414000303

Vancouver

Yamashita N, Sase H, Kobayashi R, Peng LK, Hanapi JM, Uchiyama S et al. Atmospheric deposition versus rock weathering in the control of streamwater chemistry in a tropical rain-forest catchment in Malaysian Borneo. Journal of Tropical Ecology. 2014 Sep;30(5):481-492. https://doi.org/10.1017/S0266467414000303

Author

Yamashita, N. ; Sase, H. ; Kobayashi, R. ; Peng, Leong Kok ; Hanapi, Jamal Mohd ; Uchiyama, S. ; Urban, S. ; Ying-Ying, Toh ; Muhamad, Maznorizan ; Gidiman, Jikos ; Chappell, Nick A. / Atmospheric deposition versus rock weathering in the control of streamwater chemistry in a tropical rain-forest catchment in Malaysian Borneo. In: Journal of Tropical Ecology. 2014 ; Vol. 30, No. 5. pp. 481-492.

Bibtex

@article{d57002e51726452d8a79a9074b42b02f,
title = "Atmospheric deposition versus rock weathering in the control of streamwater chemistry in a tropical rain-forest catchment in Malaysian Borneo",
abstract = "Uncertainty about the H+ buffering capacity in tropical rain forest limits our ability to predict the future effect of anthropogenic deposition on the streamwater chemistry. Export ofmajor ions to the stream and the ion-fluxes via rainfall, throughfall, litter-leachate and soil-water pathways were observed to examine the source of streamwater nutrients in a small catchment in Sabah, Malaysia. The streamwater and the ion-fluxes were measured for 3.75 and 2 y, respectively, by collecting water twice a month and setting ion-exchange-resin columns. Streamwater pH ranged from 6.5 to 7.6 and was not sensitive to water discharge controlling base cations. The NO3--N, Ca2+ and Mg2+ fluxes were low in atmospheric depositions (0.6, 0.5 and 0.3 kg ha−1 y−1, respectively) andmarkedly increased in litter layer. The NO3− flux decreased drastically from subsoil (70 kg ha−1 y−1) to the stream (1.4 kg ha−1 y−1) whereas the Ca2+ and Mg2+ fluxes were not different between subsoil (38 and 18 kg ha−1 y−1) and stream (30 and 15 kg ha−1 y−1). Neutral pH in tropical streams was mainly due to the base cation leaching with deep chemical weathering in deeper strata, and a rapid decrease in NO3− leaching from the subsoil to the stream.",
keywords = "hydrology, nutrient cycling , precipitation , South-east Asia , tropical rain forest , tropical streams",
author = "N. Yamashita and H. Sase and R. Kobayashi and Peng, {Leong Kok} and Hanapi, {Jamal Mohd} and S. Uchiyama and S. Urban and Toh Ying-Ying and Maznorizan Muhamad and Jikos Gidiman and Chappell, {Nick A.}",
note = "http://journals.cambridge.org/action/displayJournal?jid=TRO The final, definitive version of this article has been published in the Journal, Journal of Tropical Ecology 30 (5), pp 481-492 2014, {\textcopyright} 2014 Cambridge University Press.",
year = "2014",
month = sep,
doi = "10.1017/S0266467414000303",
language = "English",
volume = "30",
pages = "481--492",
journal = "Journal of Tropical Ecology",
issn = "0266-4674",
publisher = "Cambridge University Press",
number = "5",

}

RIS

TY - JOUR

T1 - Atmospheric deposition versus rock weathering in the control of streamwater chemistry in a tropical rain-forest catchment in Malaysian Borneo

AU - Yamashita, N.

AU - Sase, H.

AU - Kobayashi, R.

AU - Peng, Leong Kok

AU - Hanapi, Jamal Mohd

AU - Uchiyama, S.

AU - Urban, S.

AU - Ying-Ying, Toh

AU - Muhamad, Maznorizan

AU - Gidiman, Jikos

AU - Chappell, Nick A.

N1 - http://journals.cambridge.org/action/displayJournal?jid=TRO The final, definitive version of this article has been published in the Journal, Journal of Tropical Ecology 30 (5), pp 481-492 2014, © 2014 Cambridge University Press.

PY - 2014/9

Y1 - 2014/9

N2 - Uncertainty about the H+ buffering capacity in tropical rain forest limits our ability to predict the future effect of anthropogenic deposition on the streamwater chemistry. Export ofmajor ions to the stream and the ion-fluxes via rainfall, throughfall, litter-leachate and soil-water pathways were observed to examine the source of streamwater nutrients in a small catchment in Sabah, Malaysia. The streamwater and the ion-fluxes were measured for 3.75 and 2 y, respectively, by collecting water twice a month and setting ion-exchange-resin columns. Streamwater pH ranged from 6.5 to 7.6 and was not sensitive to water discharge controlling base cations. The NO3--N, Ca2+ and Mg2+ fluxes were low in atmospheric depositions (0.6, 0.5 and 0.3 kg ha−1 y−1, respectively) andmarkedly increased in litter layer. The NO3− flux decreased drastically from subsoil (70 kg ha−1 y−1) to the stream (1.4 kg ha−1 y−1) whereas the Ca2+ and Mg2+ fluxes were not different between subsoil (38 and 18 kg ha−1 y−1) and stream (30 and 15 kg ha−1 y−1). Neutral pH in tropical streams was mainly due to the base cation leaching with deep chemical weathering in deeper strata, and a rapid decrease in NO3− leaching from the subsoil to the stream.

AB - Uncertainty about the H+ buffering capacity in tropical rain forest limits our ability to predict the future effect of anthropogenic deposition on the streamwater chemistry. Export ofmajor ions to the stream and the ion-fluxes via rainfall, throughfall, litter-leachate and soil-water pathways were observed to examine the source of streamwater nutrients in a small catchment in Sabah, Malaysia. The streamwater and the ion-fluxes were measured for 3.75 and 2 y, respectively, by collecting water twice a month and setting ion-exchange-resin columns. Streamwater pH ranged from 6.5 to 7.6 and was not sensitive to water discharge controlling base cations. The NO3--N, Ca2+ and Mg2+ fluxes were low in atmospheric depositions (0.6, 0.5 and 0.3 kg ha−1 y−1, respectively) andmarkedly increased in litter layer. The NO3− flux decreased drastically from subsoil (70 kg ha−1 y−1) to the stream (1.4 kg ha−1 y−1) whereas the Ca2+ and Mg2+ fluxes were not different between subsoil (38 and 18 kg ha−1 y−1) and stream (30 and 15 kg ha−1 y−1). Neutral pH in tropical streams was mainly due to the base cation leaching with deep chemical weathering in deeper strata, and a rapid decrease in NO3− leaching from the subsoil to the stream.

KW - hydrology

KW - nutrient cycling

KW - precipitation

KW - South-east Asia

KW - tropical rain forest

KW - tropical streams

U2 - 10.1017/S0266467414000303

DO - 10.1017/S0266467414000303

M3 - Journal article

VL - 30

SP - 481

EP - 492

JO - Journal of Tropical Ecology

JF - Journal of Tropical Ecology

SN - 0266-4674

IS - 5

ER -