Seasonal shifts in diel pCO2 variations investigated by high-frequency sensor measurements in the lower Ganges River in 2018-2019


High-frequency sensor measurement was combined with dissolved organic matter (DOM) characterization to investigate diel and seasonal variations in the partial pressure of CO2 (pCO2) in the lower Ganges, near Hardinge Bridge (24°03'57.04 N, 89°01'42.85 E). Continuous measurement of pCO2 was conducted every month for 12–13 hours from May 2018 to April 2019, with an extended deployment of 48 hours continuous monitoring in March 2019. Water samples were also collected monthly to measure biodegradable dissolved organic carbon and optical properties of DOM including three fluorescent DOM components. CO2 flux and apparent oxygen utilization were calculated based on CO2 and dissolved oxygen measurements.

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Metadata Access
Creator Haque, Md Morshedul ORCID logo; Begum, Most Shirina ORCID logo; Nayna, Omme K; Tareq, Shafi M ORCID logo; Park, Ji-Hyung ORCID logo
Publisher PANGAEA
Publication Year 2021
Funding Reference Asia-Pacific Network for Global Change Research Crossref Funder ID CRRP2016-01MY-Park Water Pollution Impacts on Carbon Export and Greenhouse Gas Evasion from Asian River Systems; National Research Foundation of Korea Crossref Funder ID NRF-2017R1D1A1B06035179
Rights Creative Commons Attribution 4.0 International;
OpenAccess true
Resource Type Dataset
Format text/tab-separated-values
Size 70121 data points
Discipline Earth System Research
Spatial Coverage (89.029 LON, 24.066 LAT); Ganges, Bangladesh, Asia
Temporal Coverage Begin 2018-05-12T00:00:00Z
Temporal Coverage End 2019-04-11T18:44:00Z