Articles | Volume 16, issue 2
https://doi.org/10.5194/bg-16-505-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-16-505-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 Jan 2019
Research article |
| 30 Jan 2019
| 30 Jan 2019
Export fluxes of dissolved inorganic carbon to the northern Indian Ocean from the Indian monsoonal rivers
Moturi S. Krishna
CORRESPONDING AUTHOR
CSIR – National Institute of Oceanography, Regional Centre,
Visakhapatnam, 530017, India
Rongali Viswanadham
CSIR – National Institute of Oceanography, Regional Centre,
Visakhapatnam, 530017, India
Mamidala H. K. Prasad
CSIR – National Institute of Oceanography, Regional Centre,
Visakhapatnam, 530017, India
Vuravakonda R. Kumari
CSIR – National Institute of Oceanography, Regional Centre,
Visakhapatnam, 530017, India
Vedula V. S. S. Sarma
CSIR – National Institute of Oceanography, Regional Centre,
Visakhapatnam, 530017, India
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Cited
21 citations as recorded by crossref.
- Hydrological regulation of chemical weathering and dissolved inorganic carbon biogeochemical processes in a monsoonal river J. Liu et al. 10.1002/hyp.13763
- Demystifying the particulate black carbon conundrum in aquatic systems S. Sarkar et al. 10.1088/2515-7620/ad4e0f
- Phytoplankton community structure is governed by salinity gradient and nutrient composition in the tropical estuarine system M. Bharathi et al. 10.1016/j.csr.2021.104643
- The Seasonal Dynamics of Organic and Inorganic Carbon along the Tropical Usumacinta River Basin (Mexico) I. Soria-Reinoso et al. 10.3390/w14172703
- Contribution of dissolved organic carbon from a tropical river system to the Arabian Sea, southwestern India B. Nisha et al. 10.1016/j.jaesx.2022.100085
- Control of Anthropogenic Factors on the Dissolved Carbon Sources in the Ramganga River, Ganga Basin, India S. Panwar et al. 10.1007/s41748-024-00417-w
- Tidal scale dissolved inorganic and particulate organic carbon dynamics in a tropical estuary M. Khan et al. 10.1016/j.marchem.2024.104451
- Seasonal Variations in the Carbonate System of the Razdolnaya River P. Tishchenko et al. 10.31857/S0321059623010169
- Dominant Production of Dissolved Inorganic Carbon by Organic Matter Degradation in a Coastal Lagoon: Evidence from Carbon Isotopes M. Danish & G. Tripathy 10.1021/acsearthspacechem.4c00148
- Seasonal Variations in the Carbonate System of the Razdolnaya River P. Tishchenko et al. 10.1134/S0097807823010165
- Compound-specific carbon isotope measurements of individual lipid biomarkers from immature Ediacaran rocks of Baltica K. Pehr et al. 10.1016/j.orggeochem.2023.104641
- Environmental gradients along the tropical coast drive plankton biomass and alter food web interactions D. Manuri et al. 10.1007/s11356-020-09488-4
- Seawater chemistry of a modern subtropical ‘epeiric’ sea: Spatial variability and effects of organic decomposition C. Pederson et al. 10.1016/j.gca.2021.09.024
- Impact of untreated sewage and thermal effluent discharges on the air-sea CO2 fluxes in a highly urbanized tropical coastal region C. Muthukumar et al. 10.1016/j.marpolbul.2021.113166
- A review of the Indian Ocean carbon dynamics, acidity, and productivity in a changing environment J. Ghosh et al. 10.1016/j.pocean.2024.103210
- Decoupling of carbon burial from productivity in the northeast Indian Ocean R. Saraswat et al. 10.1016/j.scitotenv.2024.174587
- Dissolved carbon and silica fluxes from Kali, Sharavati and Sita-Swarna rivers, Southwestern India D. Nishitha et al. 10.1016/j.jenvman.2021.112273
- Carbon dynamics and CO2 and CH4 exchange in the mangrove dominated Guayas river delta, Ecuador J. Belliard et al. 10.1016/j.ecss.2022.107766
- Role of inter-annual variability in the magnitude of river discharge on CO2 fluxes in the Godavari tidal river zone, India V. Sarma 10.1016/j.ecss.2023.108393
- Impact of monsoon-induced discharge on phytoplankton community structure in the tropical Indian estuaries M. Bharathi & V. Sarma 10.1016/j.rsma.2019.100795
- Tracing solute sources and carbon dynamics under various hydrological conditions in a karst river in southwestern China J. Liu et al. 10.1007/s11356-020-07650-6
19 citations as recorded by crossref.
- Hydrological regulation of chemical weathering and dissolved inorganic carbon biogeochemical processes in a monsoonal river J. Liu et al. 10.1002/hyp.13763
- Demystifying the particulate black carbon conundrum in aquatic systems S. Sarkar et al. 10.1088/2515-7620/ad4e0f
- Phytoplankton community structure is governed by salinity gradient and nutrient composition in the tropical estuarine system M. Bharathi et al. 10.1016/j.csr.2021.104643
- The Seasonal Dynamics of Organic and Inorganic Carbon along the Tropical Usumacinta River Basin (Mexico) I. Soria-Reinoso et al. 10.3390/w14172703
- Contribution of dissolved organic carbon from a tropical river system to the Arabian Sea, southwestern India B. Nisha et al. 10.1016/j.jaesx.2022.100085
- Control of Anthropogenic Factors on the Dissolved Carbon Sources in the Ramganga River, Ganga Basin, India S. Panwar et al. 10.1007/s41748-024-00417-w
- Tidal scale dissolved inorganic and particulate organic carbon dynamics in a tropical estuary M. Khan et al. 10.1016/j.marchem.2024.104451
- Seasonal Variations in the Carbonate System of the Razdolnaya River P. Tishchenko et al. 10.31857/S0321059623010169
- Dominant Production of Dissolved Inorganic Carbon by Organic Matter Degradation in a Coastal Lagoon: Evidence from Carbon Isotopes M. Danish & G. Tripathy 10.1021/acsearthspacechem.4c00148
- Seasonal Variations in the Carbonate System of the Razdolnaya River P. Tishchenko et al. 10.1134/S0097807823010165
- Compound-specific carbon isotope measurements of individual lipid biomarkers from immature Ediacaran rocks of Baltica K. Pehr et al. 10.1016/j.orggeochem.2023.104641
- Environmental gradients along the tropical coast drive plankton biomass and alter food web interactions D. Manuri et al. 10.1007/s11356-020-09488-4
- Seawater chemistry of a modern subtropical ‘epeiric’ sea: Spatial variability and effects of organic decomposition C. Pederson et al. 10.1016/j.gca.2021.09.024
- Impact of untreated sewage and thermal effluent discharges on the air-sea CO2 fluxes in a highly urbanized tropical coastal region C. Muthukumar et al. 10.1016/j.marpolbul.2021.113166
- A review of the Indian Ocean carbon dynamics, acidity, and productivity in a changing environment J. Ghosh et al. 10.1016/j.pocean.2024.103210
- Decoupling of carbon burial from productivity in the northeast Indian Ocean R. Saraswat et al. 10.1016/j.scitotenv.2024.174587
- Dissolved carbon and silica fluxes from Kali, Sharavati and Sita-Swarna rivers, Southwestern India D. Nishitha et al. 10.1016/j.jenvman.2021.112273
- Carbon dynamics and CO2 and CH4 exchange in the mangrove dominated Guayas river delta, Ecuador J. Belliard et al. 10.1016/j.ecss.2022.107766
- Role of inter-annual variability in the magnitude of river discharge on CO2 fluxes in the Godavari tidal river zone, India V. Sarma 10.1016/j.ecss.2023.108393
2 citations as recorded by crossref.
- Impact of monsoon-induced discharge on phytoplankton community structure in the tropical Indian estuaries M. Bharathi & V. Sarma 10.1016/j.rsma.2019.100795
- Tracing solute sources and carbon dynamics under various hydrological conditions in a karst river in southwestern China J. Liu et al. 10.1007/s11356-020-07650-6
Discussed (final revised paper)
Latest update: 22 Nov 2024
Short summary
An order-of-magnitude variability in DIC was found within the Indian estuaries due to significant variability in size of rivers, precipitation pattern and lithology in the catchments. Indian monsoonal estuaries annually export ∼ 10.3 Tg of DIC to the northern Indian Ocean, of which 75 % enters into the Bay of Bengal. Our results indicated that chemical weathering of carbonate and silicate minerals by soil CO2 is the major source of DIC in the Indian monsoonal rivers.
An order-of-magnitude variability in DIC was found within the Indian estuaries due to...
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