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Slope, Aspect, and Curvature
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- Опубликовано: 6 апр 2016
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Neat!!!
THanks Thomas!!!
Amazing content. You saved my Friday!!!
Cheers!!!
Amazing explanation, thank you!!
Sir, it is very helpful tutorial. Sir, my humble request prepare a video on - Terrain Ruggedness Index (TRI) and Vector Ruggedness Measurement (VRM)
Hi, I hope you can help me. I am trying to Display the slope in percent rise, but if I run the tool set on percent it just gives the exact same answers or values as degrees. What am I doing wrong?
Hi, I am from Brazil and I am interested in this subject, but your video is unfocused. I want know how you got this results for curvature. Can You explain me how you got it?
HOW IN QGIS? HOW TO DO IT?
Hi Thomas. If it is WGS_1984, then what Z factor am I supposed to use?
There's a table here: blogs.esri.com/esri/arcgis/2007/06/12/setting-the-z-factor-parameter-correctly. As long as you get it pretty close, it'll come out fine.
Merci pour l'orientation. mais j'ai besoin d'aide. je me retrouve avec les resultats des pentes de plus de 800% lorsque je lance ma requête sur arcgis. S'il vous plait besoin d'aide.
Perhaps your vertical and horizontal units are not the same. While 800% slopes are possible, they should be very very rare. Make sure your data is either projected into a local coordinate system like UTM or that you're using the new "geodetic" method of calculation.
Hi, Sir.
Thank you for your explanation. I actually have a question about curvature value.
How do we determined which one is concave convex etc if my value are more then 1000? Because when I search from many source the value are in average range -1 to 1 or -0,05 to 0,05.
My DEM coordinate already the same with my location. Is it have something to do with my Z factor?
Hope you can help me🙏🏻
Thank you, sir.
Regards,
Putri
It could well be the Z factor, but also ESRI multiplies the curvature values they calculate by 100x to make the numbers more relatable. webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=How%20Curvature%20works
@@thomaspingel Ah, I think I get it, Sir. Thank you so much for your information.
Hii, you can tell me literature about curvature? Thank you so much for your tutorial 🙏🏻
This is a fairly technical paper, but it's also quite comprehensive: doi.org/10.1016/j.earscirev.2020.103414