# Dear teachers, I encountered a problem while using the InVEST Blue Carbon model

**URL:** <https://community.naturalcapitalalliance.org/t/dear-teachers-i-encountered-a-problem-while-using-the-invest-blue-carbon-model/6227>\
**Category:** Software Support\
**Tags:** blue-carbon\
**Created:** [October 11, 2025, 7:44am UTC](https://community.naturalcapitalalliance.org/t/dear-teachers-i-encountered-a-problem-while-using-the-invest-blue-carbon-model/6227 "2025-10-11T07:44:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![xcx](https://avatars.discourse-cdn.com/v4/letter/x/c5a1d2/32.png) [@xcx](https://community.naturalcapitalalliance.org/u/xcx)\
**Post date:** [October 11, 2025, 7:44am UTC](https://community.naturalcapitalalliance.org/t/dear-teachers-i-encountered-a-problem-while-using-the-invest-blue-carbon-model/6227/1 "2025-10-11T07:44:22Z")

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Dear teachers,

I encountered a problem while using the InVEST Blue Carbon model. In the results I output, all the pixel values are the same, which confuses me. I wonder whether this is due to the issue with my selected study area or with my data. I have already completed filling in the preprocessed change table and biophysical table according to the references. Another problem is that when I input the model output into ArcGIS software, the geographic information and attribute table are missing. Thank you for your reply; this is very important to me.

Thanks!

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**Author:** ![dave](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.naturalcapitalalliance.org/dave/32/70_2.png) [@dave](https://community.naturalcapitalalliance.org/u/dave)\
**Post date:** [October 13, 2025, 2:49pm UTC](https://community.naturalcapitalalliance.org/t/dear-teachers-i-encountered-a-problem-while-using-the-invest-blue-carbon-model/6227/2 "2025-10-13T14:49:50Z")

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Hi @xcx , thanks for posting your issue here.

When asking about an invest issue, [please always upload your logfile](https://community.naturalcapitalalliance.org/t/guidelines-for-posting-software-support-questions/24) produced by the model.

> [@xcx](#):
>
> In the results I output, all the pixel values are the same, which confuses me

Is this true for all of the raster outputs? Have you looked in the “intermediate” folder? Do those rasters have the same problem?

Thank you,

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**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/naturalcapitalproject/original/2X/8/8d95591aa074da87ea0fdd61ca47c1c3c0588aa7.png) [@system](https://community.naturalcapitalalliance.org/u/system)\
**Post date:** [January 11, 2026, 2:49pm UTC](https://community.naturalcapitalalliance.org/t/dear-teachers-i-encountered-a-problem-while-using-the-invest-blue-carbon-model/6227/3 "2026-01-11T14:49:52Z")

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Closed on January 11, 2026, 2:49pm UTC

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