Articles | Volume 15, issue 22
https://doi.org/10.5194/bg-15-6847-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-6847-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Distribution and cycling of terrigenous dissolved organic carbon in peatland-draining rivers and coastal waters of Sarawak, Borneo
Asian School of the Environment, Nanyang Technological University,
Singapore 639798, Singapore
Nagur Cherukuru
CSIRO Oceans and Atmosphere Flagship, Canberra ACT 2601, Australia
Ashleen S. Y. Tan
Asian School of the Environment, Nanyang Technological University,
Singapore 639798, Singapore
current address: Erasmus Mundus Joint Programme in Marine Environment and
Resources, Plentzia Marine Station, University of the Basque Country,
Plentzia, Spain
Nivedita Sanwlani
Asian School of the Environment, Nanyang Technological University,
Singapore 639798, Singapore
Aazani Mujahid
Department of Aquatic Science, Faculty of Resource Science &
Technology, University Malaysia Sarawak, 94300 Kota Samarahan, Sarawak,
Malaysia
Moritz Müller
Swinburne University of Technology, Faculty of Engineering, Computing
and Science, 93350 Kuching, Sarawak, Malaysia
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47 citations as recorded by crossref.
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- A New Remote Sensing Method to Estimate River to Ocean DOC Flux in Peatland Dominated Sarawak Coastal Regions, Borneo S. ChunHock et al. 10.3390/rs12203380
- Recommendations and good practices for dissolved organic carbon (DOC) analyses at low concentrations D. Tisserand et al. 10.1016/j.mex.2024.102663
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- The distribution and behaviour of Fe, Al, Si, Mn, Cu and Ni in ombrotrophic tropical peat draining blackwater estuaries on Borneo Island P. Ukotije-Ikwut et al. 10.3389/fmars.2022.1075155
- The carbon footprint of a Malaysian tropical reservoir: measured versus modelled estimates highlight the underestimated key role of downstream processes C. Soued & Y. Prairie 10.5194/bg-17-515-2020
- Low Biodegradability of Dissolved Organic Matter From Southeast Asian Peat‐Draining Rivers R. Nichols & P. Martin 10.1029/2020JG006182
- Exploring feedback mechanisms for nitrogen and organic carbon cycling in tropical coastal zones S. Jiang et al. 10.3389/fmars.2022.996655
- Dynamics of absorption properties of CDOM and its composition in Likas estuary, North Borneo, Malaysia S. Mohd-Shazali et al. 10.1016/j.oceano.2022.04.005
- Nitrous oxide (N<sub>2</sub>O) and methane (CH<sub>4</sub>) in rivers and estuaries of northwestern Borneo H. Bange et al. 10.5194/bg-16-4321-2019
- Peatland Dissolved Organic Carbon Export to Surface Waters: Global Significance and Effects of Anthropogenic Disturbance T. Rosset et al. 10.1029/2021GL096616
- Inherent Optical Properties based Vulnerability Assessment of Euphotic Zone Compression in peatland influenced Southeast Asian coastal waters N. Sanwlani et al. 10.3389/fmars.2022.967627
- Coral Skeletal Luminescence Records Changes in Terrestrial Chromophoric Dissolved Organic Matter in Tropical Coastal Waters N. Kaushal et al. 10.1029/2020GL092130
- Seasonal Variations in Molecular Size of Chromophoric Dissolved Organic Matter From the Lower Changjiang (Yangtze) River L. Zhao et al. 10.1029/2020JG006160
- Light on dark waters C. Evans & P. Taillardat 10.1038/s41561-024-01376-7
- Rising dissolved organic carbon concentrations in coastal waters of northwestern Borneo related to tropical peatland conversion N. Sanwlani et al. 10.1126/sciadv.abi5688
- Extensive Remineralization of Peatland‐Derived Dissolved Organic Carbon and Ocean Acidification in the Sunda Shelf Sea, Southeast Asia Y. Zhou et al. 10.1029/2021JC017292
- Monsoon-driven biogeochemical dynamics in an equatorial shelf sea: Time-series observations in the Singapore Strait P. Martin et al. 10.1016/j.ecss.2022.107855
- Sub-annual fluorescence measurements of coral skeleton: relationship between skeletal luminescence and terrestrial humic-like substances N. Kaushal et al. 10.1007/s00338-020-01959-x
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- Processes Controlling Methane Emissions From a Tropical Peatland Drainage Canal L. Somers et al. 10.1029/2022JG007194
- Quantifying Photodegradation of Peatland‐Derived Dissolved Organic Carbon in the Coastal Ocean of Southeast Asia Y. Zhou et al. 10.1029/2023JC019741
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- Distribution of nutrients and dissolved organic matter in a eutrophic equatorial estuary: the Johor River and the East Johor Strait A. Cheong et al. 10.5194/bg-21-2955-2024
- Dissolved organic matter and nutrient processing in organic-rich subterranean estuaries: Implications for future land use and climate scenarios D. Adyasari et al. 10.1016/j.gca.2023.10.025
- Composition and cycling of dissolved organic matter from tropical peatlands of coastal Sarawak, Borneo, revealed by fluorescence spectroscopy and parallel factor analysis Y. Zhou et al. 10.5194/bg-16-2733-2019
- The nonconservative distribution pattern of organic matter in the Rajang, a tropical river with peatland in its estuary Z. Zhu et al. 10.5194/bg-17-2473-2020
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- Assessing the Self-Purification Capacity of Surface Waters in Lake Baikal Watershed M. Semenov et al. 10.3390/w11071505
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- Impact of peatlands on carbon dioxide (CO<sub>2</sub>) emissions from the Rajang River and Estuary, Malaysia D. Müller-Dum et al. 10.5194/bg-16-17-2019
- A Semi-Analytical Optical Remote Sensing Model to Estimate Suspended Sediment and Dissolved Organic Carbon in Tropical Coastal Waters Influenced by Peatland-Draining River Discharges off Sarawak, Borneo N. Cherukuru et al. 10.3390/rs13010099
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Discussed (final revised paper)
Latest update: 21 Nov 2024
Short summary
The carbon cycle is a key control for the Earth's climate. Every year rivers deliver a lot of organic carbon to coastal seas, but we do not know what happens to this carbon, particularly in the tropics. We show that rivers in Borneo deliver carbon from peat swamps to the sea with at most minimal biological or chemical alteration in estuaries, but sunlight can rapidly oxidise this carbon to CO2. This means that south-east Asian seas are likely hotspots of terrestrial carbon decomposition.
The carbon cycle is a key control for the Earth's climate. Every year rivers deliver a lot of...
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