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| Type: | Resource | |
| Storage: | The size of this resource is 10.3 KB | |
| Created: | Apr 27, 2026 at 1:16 a.m. (UTC) | |
| Last updated: | Apr 27, 2026 at 1:35 a.m. (UTC) | |
| Citation: | See how to cite this resource | |
| Content types: | CSV Content |
| Sharing Status: | Public |
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Abstract
This dataset contains major ion concentrations and associated metadata from 63 temperate streams in southeastern Australia, sampled between November and December 2023 under baseflow conditions. The dataset includes concentrations of Ca2+, Mg2+, Na+, K+, HCO3-, SO42-, Cl-, and NO3-, along with site metadata (ID, date, time, geographic coordinates) and catchment-scale metrics such as upstream reach length. Bicarbonate (HCO3-) concentrations were estimated from measured DIC and pH using temperature-dependent carbonate equilibrium relationships. Ionic balance errors (BI) ranged from approximately 1% to 28% (median of 12%). To reduce charge imbalance, a constrained optimization approach (L-BFGS-B algorithm) was applied to adjust SO42-, Cl-, and NO3- concentrations. Optimized ion concentrations and post-correction ionic balance (BI_opt) are included.
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Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
|---|---|---|
| Australian Research Council | Breathing streams: integrating aquatic emissions into carbon budgets | DE220100852 |
| Australian Research Council | Linking terrestrial–aquatic fluxes to rectify the Australian carbon balance | DP220100823 |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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