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|Created:||Jul 18, 2019 at 12:17 a.m.|
|Last updated:|| Sep 30, 2021 at 8:15 a.m.
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This resource includes isotopic and water chemistry data from automated measurements and samples collected in the Howard River, Northern Territory, Australia. These data were collected with the purpose of assessing water flowpaths and carbon sources to the river, as well as their variability over time. Automated measurements include pH, temperature, pCO2 and dissolved organic carbon (DOC) concentration in the river. Samples were collected manually from rainfall, groundwater, wetlands and the river, and subsequently analysed for dissolved inorganic carbon (DIC) and DOC concentration, the stable isotopic signature of DIC (carbon-13), electrical conductivity, and the stable (oxygen-18 and deuterium) and radioactive (tritium) isotopes of water.
The content of this resource serves as the data for several manuscripts:
- Duvert C, Hutley LB, Birkel C, Rudge M, Munksgaard NC, Wynn JG, Setterfield SA, Cendón DI, Bird MI (2020) Seasonal shift from biogenic to geogenic fluvial carbon caused by changing water sources in the wet-dry tropics. Journal of Geophysical Research: Biogeosciences 125 (2), e2019JG005384. https://doi.org/10.1029/2019JG005384
- Birkel C, Duvert C, Correa A, Munksgaard NC, Maher DT, Hutley LH (2020) Tracer‐aided modelling in the low‐relief, wet‐dry tropics suggests water ages and DOC export are driven by seasonal wetlands and deep groundwater. Water Resources Research 56 (4), e2019WR026175. https://doi.org/10.1029/2019WR026175
- Duvert C, Hutley LB, Beringer J, Bird MI, Birkel C, Maher DT, Northwood M, Rudge M, Setterfield SA, Wynn JG (2020) Net landscape carbon balance of a tropical savanna: relative importance of fire and aquatic export in offsetting terrestrial production. Global Change Biology 26 (10), 5899-5913. https://doi.org/10.1111/gcb.15287
# README The following is a description of the files within this resource: **Discharge.csv**: CSV file containing high-frequency discharge data for the Howard River collected by the Northern Territory Government. **DOC_hf.csv**: CSV file containing uncalibrated, high-frequency, sensor-based DOC data collected in the Howard River. **DOC_manual.csv**: CSV file containing DOC data collected in the Howard River (n=31). **Groundwater.csv**: CSV file containing groundwater level daily series for bore RN009421 (Northern Territory Government). **pCO2_pH_temp.csv**: CSV file containing calibrated, high-frequency, sensor-based pCO2, pH and temperature data collected in the Howard River. **River_manual.csv**: CSV file containing chemical and isotopic time-series data for the Howard River (n=75). Abbreviations: Q for discharge, EC for electrical conductivity, and DIC for dissolved inorganic carbon. **Sources.csv**: CSV file containing chemical and isotopic data collected at each source. Abbreviations: EC for electrical conductivity, DIC for dissolved inorganic carbon, and pCO2 for the partial pressure of dissolved CO2 in water. **Tritium.csv**: CSV file containing tritium data collected in the Howard River (n=6) and sources (n=4).
This resource was created using funding from the following sources:
|Agency Name||Award Title||Award Number|
|Australian Research Council||Carbon, water and land use change in Australian tropical savannas: up in smoke and out to sea?||DP160101497|
|Australian Nuclear Science and Technology Organisation||Linking water and carbon ages to understand riverine carbon export||11066|
People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.http://creativecommons.org/licenses/by/4.0/