[RS-ecology] Calculation of fractional cover for each vegetation class matching MODIS LST pixel

[Benjamin Leutner]

Have a look at fCover from RStoolbox. It does just that.

On 11/16/2017 06:25 AM, heng huang wrote:
> Dear All,
>
> I am trying to look at the differences in land surface temperature 
> between different vegetation types. For example, I have a Landsat land 
> cover map with 30-m resolution and I want to calculate the fractional 
> cover for each vegetation class (forests, grasslands and croplands 
> etc.) matching MODIS swath and do a linear regression analysis linking 
> land cover percentage with the corresponding MODIS LST for each 1-km 
> resolution pixel. Therefore, the fractional changes will be calculated 
> by computing at 30m the proportion of each vegetation class (e.g. 
> forest) that occupy each MODIS 1km grid cell, but I hardly found any 
> practical tutorial using R to achieve this, so any advice on it will 
> be appreciated!
>
> Further, after calculating the fractional change in vegetation with 
> analogous changes in MODIS LST, I want to do the linear regression for 
> LST as a function of the fractional changes but also I haven't found 
> an effective way to process it in R. I would also be grateful if you 
> can give some practical advice on it.
>
>
> Thanks so much!
>
>
> Henry
>
>
>
>
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-- 
Benjamin Leutner

Department of Remote Sensing
University of Wuerzburg
Campus Hubland Nord 86
97074 Wuerzburg, Germany

Tel: +49-(0)931-31 89594
Fax: +49-(0)931-31 89594-0
Email: benjamin.leutner at uni-wuerzburg.de
Web: http://www.fernerkundung.uni-wuerzburg.de

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