# SDR - Comparison of the D-infinity flow method and the Single-flow method

**URL:** https://community.naturalcapitalalliance.org/t/sdr-comparison-of-the-d-infinity-flow-method-and-the-single-flow-method/766
**Category:** Software Support
**Tags:** sdr
**Created:** [January 22, 2020, 8:36pm UTC](https://community.naturalcapitalalliance.org/t/sdr-comparison-of-the-d-infinity-flow-method-and-the-single-flow-method/766 "2020-01-22T20:36:39Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![dcdenu4](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.naturalcapitalalliance.org/dcdenu4/32/544_2.png) [@dcdenu4](https://community.naturalcapitalalliance.org/u/dcdenu4)
#### Post date: [February 10, 2020, 3:28pm UTC](https://community.naturalcapitalalliance.org/t/sdr-comparison-of-the-d-infinity-flow-method-and-the-single-flow-method/766/2 "2020-02-10T15:28:02Z")

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Hi @bastian87,

I believe there’s another post regarding this issue of [high SDR values](https://community.naturalcapitalalliance.org/t/usle-results-to-high-sdr/41) that is pretty active, but I just wanted to follow up on this post in case someone finds it.

Also, thanks for helping make InVEST better and sharing these figures!

Doug

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