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Incorporating keyline concepts in terraces

Posts: 30
Location: 0deg lat, 1100m elev. Choco-Andean bioregion
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This is just a concept I've been thinking about so I'm going to try and describe it as best I can... say you're going to cut Holzer-style terraces in a steep hillside. By that I mean a 'terrace' which functions more like a farm road that leads from lower point A to higher point B, or in other words an access way. So the terrace is going to gain or lose elevation as you travel along the length of it. What if you were to build it so that it undulates slightly up and down along it's length, with slight uphills leading into microvalleys in the hillside, and slight downhills leading down onto microridges on the hillside. Do this at a mellow a gradient as possible (1:100?), while still climbing/descending from end to end. Maybe orient the whole thing so the lower point A begins on a primary ridge in the landscape, and the higher point B ends in a wetter, valley area.

Only a concept but it makes sense to me as a way to manage water on a slope with access way terraces. Thoughts?
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Sounds awesome. We did something similar. Big long connected swales / rainwater gathering canals going from a high point down to a low point on a west facing slope.
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