[GRASS-web] Pontifical Xaverian University Bogotá D.C., Colombia, GRASS GIS Programming

David Enrique Trujillo Osorio DAVID.TRUJILLO at javeriana.edu.co
Wed Aug 26 13:18:10 PDT 2015

26th August 2015.

To: GRASS Development team.

From: David Trujillo, Nikolay Suarez.

Pontifical Xaverian University.

Bogotá D.C., Colombia.

We are David Trujillo and Nikolay Mauricio Suarez students from Bogotá - Colombia at Xaverian University. We have been working on two modules, the first one is called "r.turc". The module "r.turc" delivers a real evaporation map  from precipitation and temperature maps and uses Turc´s ecuation. The second one performs a subpixel analysis for flood mapping, and is composed by two modules: "i.subpixel" and "i.dod.

The module "i.subpixel" uses remote sensing images with modarate resoltution,  and it applies a methodology of sub-pixel analysis (SA) for flood detection (see "Development of a sub-pixel analysis method applied to dynamic monitoring of floods, International Journal of Remote Sensing, 33:7, 2277-2295, Giraldo O. Juan Diego, Garcia G. Sandra Gabriela, 2011."). It enables us use these images for monitoring and delimitation of flooded areas. "i.dod" supports the spatial coherence with a drainage on DEM which improves "i.subpixel" outputs.
Could you help us to indicate which steeps we should follow to deliver these modules to you?
We appreciate your attention and response.


·         David Enrique Trujillo Osorio.

Civil engineering student.

e-mail: david.trujillo at javeriana.edu.co<mailto:david.trujillo at javeriana.edu.co>

·         Nikolay Mauricio Suarez Kozov.

Civil engineering student.

e-mail: nikolay.suarez at javeriana.edu.co<mailto:nikolay.suarez at javeriana.edu.co>

·         Juan Diego Giraldo Osorio IC.

Civil engineering Professor.

e-mail: j.giraldoo at javeriana.edu.co<mailto:j.giraldo at javeriana.edu.co>

Pontifical Xavierian University
Bogotá, D.C., Colombia.
Calle 40 N° 5-50 Building. Jose Gabriel Maldonado.
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