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petrasovaa
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Oct 1, 2026
cwhite911
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October 2, 2026 01:59
petrasovaa
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Oct 2, 2026
petrasovaa
reviewed
Oct 8, 2026
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| [r.sim.water](https://grass.osgeo.org/grass-stable/manuals/r.sim.water.html) | ||
| accepts infiltration two ways: by setting the rainfall excess rate, where | ||
| **rainfall excess** is $\text{rainfall} - \text{infiltration}$, or by setting the |
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When I downloaded the artifact, the math rendering works, but here it looks confusing with the different font.
petrasovaa
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Oct 8, 2026
| conductivity (Ksat) with a pedotransfer function (ROSETTA). To do this we will | ||
| follow the steps outlined below. | ||
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| 1. Import USDA SSURGO soil texture with |
petrasovaa
reviewed
Oct 8, 2026
| We will install the two addons used in this tutorial. | ||
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| ```{python} | ||
| tools = Tools() |
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You can't install without active session.
petrasovaa
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Oct 8, 2026
| mapset_path = grassdata / "secref_northcarolina_usa_epsg6542" / "work" | ||
| gs.create_mapset(mapset_path) | ||
| session = gj.init(mapset_path) | ||
| tools = Tools(session=session) |
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If you want simpler:
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| tools = Tools(session=session) | |
| tools = Tools() |
petrasovaa
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Oct 8, 2026
| texture already averaged over the top 25.4 cm, so the estimate inherits that | ||
| approximation. | ||
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| ## A map unit table |
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This needs to be clarified what is in the table and maybe why are we showing it.
petrasovaa
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Oct 8, 2026
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| Every map unit sits above the 1:1 line. The two map units covering 85% of the |
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Claude really likes "sits above"
petrasovaa
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Oct 8, 2026
| it by a factor of 260. The magnitude of Ksat matters more than its spatial | ||
| pattern, and `r.univar` will tell you that before you map it. | ||
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| Next steps: |
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Not sure what next steps mean in the context of this tutorial.
petrasovaa
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Oct 8, 2026
petrasovaa
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Oct 8, 2026
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Tutorial demonstrating how to run r.sim.water using soil data derived from SSURGO and Rosetta.