Topographic Wetness Index TWI Calculation with Detail Explanation

[@sanjoybarman-6356]

Great job! Thank you

[@xuehu8513]

thank you !

[@ExploreRSGISTutorials]

Welcome!

[@kilibosz1496]

do you have a source for this procedure? :) Thanks a lot man!!

[@kasturiborkotoky2758]

Thank you

[@ExploreRSGISTutorials]

You're welcome

[@bakhtyarali6979]

Many thanks dear

[@ExploreRSGISTutorials]

Welcome!

[@SurajkePhases]

Thank u sir

[@ExploreRSGISTutorials]

All the best

[@simamkelesityebi8642]

I have an are of 2 to 16 values of wetness index, any advice on at what value i can assign as high

[@ExploreRSGISTutorials]

High and low values of TWI will automatically show . If you watch the video you will understand i think.

[@lovesingh6455]

Will the fill tool work in Crack version?

[@ExploreRSGISTutorials]

May be yes

[@gsry1]

Hlo sir...thank u for the video ..can u please name this method of finding TWI ?....who has given this technique to find TWI ?

[@ExploreRSGISTutorials]

Get the Word file: mega.nz/file/X85nUA6I#sKm3RjAf-zS-r6D2MoJf7aTU4YqONWkKnT7NaErxIIY

[@purnamagraha2100]

Hai, Can you create an access link for the Word file? Thank You

[@SurajkePhases]

Plz make a vedio on curvature classification profile curvature map plzz

[@hannaordanza5572]

Hello, is TWI the same with drainage density?

[@ExploreRSGISTutorials]

These two are different i think.

[@vitumbikomwembe8972]

Am having problem with step 7 it is showing error 000989

[@nisrina6369]

hello sir, I'm Nisrina from a university in Indonesia, I want to ask, do you know about the normalization of TWI values?

[@ExploreRSGISTutorials]

Sorry For late. It can be helpful.: kzbin.info/www/bejne/pKq8hmhunrF3aqc

[@nisrina6369]

@@ExploreRSGISTutorials thank you sir

[@mdnahidulislam6131]

@@nisrina6369 It's Ok Madam.

[@sameeksharai3925]

my raster calculation for step 7 is continously failing. I made sure I am not putting in wrong inputs it still does not work. Please help

[@ExploreRSGISTutorials]

What type of error ??

[@sameeksharai3925]

@@ExploreRSGISTutorials Error 000539

[@ExploreRSGISTutorials]

@@sameeksharai3925 You can check environment settings. Check the coordinate system for inputs Raster & outputs Raster as it should be same.

[@vitumbikomwembe8972]

Yes sir for step 7 it is failing by showing error 000989

[@BS-dg2fe]

I got highest TWI of 39. But you mentioned range is upto 30. What maybe the problem?

[@ExploreRSGISTutorials]

Hope this discussion will be helpful Sir : www.researchgate.net/post/What_is_the_typical_Topographic_Wetness_Index_range_of_values

[@donshade2374]

Im having a negative value of my TWI at the low

[@muszkaro]

same...

[@saisantoshbasina8768]

Sir Im Getting 999999error while performing fill Operation

[@ExploreRSGISTutorials]

You can follow this : Restart ArcMap/Your Computer, Try the operation in a blank, map document or in ArcCatalog, Check your input and output workspaces, Check the names of your inputs and outputs, Disable Background Geoprocessing, Check your projections/coordinate systems, Check your environment settings for anything unusual, Look for any tool specific settings that could create problems - try simplifying your options until the tool runs, which will help you ID the problem, Try Repair Geometry

[@saisantoshbasina8768]

@@ExploreRSGISTutorials tried several times sir but no change 🥺

[@xuehu8513]

@@saisantoshbasina8768 maybe you should set Parallel Processing in the enviroment variables to zero