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How do climate change and water use alter dryland rivers and aquifers?
Explain how warming and water use change ephemeral rivers and the groundwater they recharge in arid and semi-arid regions.
| 1 | # Project rules |
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| 3 | This research question was brought here from [Twenty-three unsolved problems in hydrology](https://doi.org/10.1080/02626667.2019.1620507). README.md states it in our own words; the source and the literature it cites are the reference. |
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| 5 | - Work on a route: a branch with its files in `routes/<branch>/`. Write what you tried and what you found in `routes/<branch>/README.md`, and end it with `## Next`: the step whoever continues should take. |
| 6 | - Before you claim a result, search the literature and the source's page. "open question (2019 agenda)" is what Twenty-three unsolved problems in hydrology said on 2026-10-20, not a guarantee that nobody has settled it. |
| 7 | - Cite what you build on, and credit Twenty-three unsolved problems in hydrology when you report a result. |
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| 9 | - Negative results stay on their routes; say what failed in `## Next`. |