How would I deal with 2 UTM zones in a watershed?

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Eric Salas

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Oct 9, 2020, 2:01:59 PM10/9/20
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So my watershed boundary falls within 2 UTM zones.  I tried to use the zone that more of your map extent falls within.  And when I used the "get ACPF soils data" in utilities tool, it gives me errors, which I believe is caused by the wrong UTM used.  How could I proceed with this issue?  I would appreciate any help.  Thank you.

Eric Salas

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Oct 9, 2020, 3:16:02 PM10/9/20
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Update: I reprojected the files from a UTM zone to Albers Equal Area Conic, and then run the "get ACPF soils data" again.  It worked.  I hope I won't get any problems in the next steps using this projection.  Can anyone confirm if this is fine?  Thank you.

Brad Rogers

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Oct 9, 2020, 4:52:02 PM10/9/20
to Eric Salas, ACPF Forum
Eric, 
This is what I’ve started doing in Oklahoma. I’ve had several projects that overlapped UTM zones and our GIS specialists recommend Albers Equal Area Conic. 
Brad


On Oct 9, 2020, at 2:16 PM, Eric Salas <toprati...@gmail.com> wrote:


Update: I reprojected the files from a UTM zone to Albers Equal Area Conic, and then run the "get ACPF soils data" again.  It worked.  I hope I won't get any problems in the next steps using this projection.  Can anyone confirm if this is fine?  Thank you.


On Friday, October 9, 2020 at 2:01:59 PM UTC-4, Eric Salas wrote:
So my watershed boundary falls within 2 UTM zones.  I tried to use the zone that more of your map extent falls within.  And when I used the "get ACPF soils data" in utilities tool, it gives me errors, which I believe is caused by the wrong UTM used.  How could I proceed with this issue?  I would appreciate any help.  Thank you.

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Eric Salas

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Oct 9, 2020, 5:59:49 PM10/9/20
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Thank you for affirming Brad! 
Cheers -- Eric

On Friday, October 9, 2020 at 4:52:02 PM UTC-4, Brad Rogers wrote:
Eric, 
This is what I’ve started doing in Oklahoma. I’ve had several projects that overlapped UTM zones and our GIS specialists recommend Albers Equal Area Conic. 
Brad


On Oct 9, 2020, at 2:16 PM, Eric Salas <toprati...@gmail.com> wrote:


Update: I reprojected the files from a UTM zone to Albers Equal Area Conic, and then run the "get ACPF soils data" again.  It worked.  I hope I won't get any problems in the next steps using this projection.  Can anyone confirm if this is fine?  Thank you.


On Friday, October 9, 2020 at 2:01:59 PM UTC-4, Eric Salas wrote:
So my watershed boundary falls within 2 UTM zones.  I tried to use the zone that more of your map extent falls within.  And when I used the "get ACPF soils data" in utilities tool, it gives me errors, which I believe is caused by the wrong UTM used.  How could I proceed with this issue?  I would appreciate any help.  Thank you.

--
The ACPF Forum is an online group for discussing technical issues related to using the ACPF tools. Anyone can view the discussions at https://groups.google.com/a/umn.edu/d/forum/acpf-group. Only members can participate in discussions. Join the group by sending an email to acpf-...@umn.edu

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David James

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Oct 12, 2020, 2:29:45 PM10/12/20
to Eric Salas, ACPF Forum
Eric
It will be fine to use an Albers Equal Area projection. The key here is to use the same projection throughout. In those situations where two UTM zones are crossed, I will choose one to use and make sure all my data are in that zone. Both the Get ACPF Soils and Get NASS CDL tools will use the projection of the buffered boundary feature class (buf) used as the input argument. Once the ACPF file geodatabase is complete, you could use the Project ACPF Workspace tool to project the data to a different projection.

Dave James

The ACPF Forum is an online group for discussing technical issues related to using the ACPF tools. Anyone can view the discussions at https://groups.google.com/a/umn.edu/d/forum/acpf-group. Only members can participate in discussions. Join the group by sending an email to acpf-group...@umn.edu

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