05 May 2012 0 8K Report

How to report the exact product name of MODIS Terra imagery, if I am downloading images from http://lance-modis.eosdis.nasa.gov/imagery/subsets/?project=&subset=Afghanistan&date=04%2F09%2F2008

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Georeferencing in ERDAS via Google Earth

is it possible to georeference MODIS image in ERDAS IMAGINE by using Google Earth as reference image (to select the GCPs)?

05 June 2012 9,127 13 View

Subtrat shape files

How can I subtract one shape file from the other? I have a shape file A, and want to subtract shape file B from it, to get the new shape file with polygon A-B. How can do I it in ArcGIS or erdas...

04 May 2012 3,565 1 View

Change detection

If I have classified 2 images of the same area but different times (supervised classification) then how can I determine change detection between them quantitatively? Please recommend for both...

03 April 2012 7,901 26 View

Supervised classifcation

What is the best technique for accuracy assessment of the supervised classified images to determine landcover change detection?

03 April 2012 5,929 9 View

How to use SEBAL model for evapotranspiration?

Any software needed to run it, or just equation can be solved to find values for evapotranspiration?

02 March 2012 2,451 7 View

What is meant by temporal and spatial changes in NDVI?

Read 20 answers by scientists with 16 recommendations from their colleagues to the question asked by Iman Meer on Mar 11, 2012

02 March 2012 9,110 20 View

How can spatial tools be used for natural resource management/ environmental management?

Use of spatial tools in management.

02 March 2012 6,845 6 View

Ndvi and flooding relationship

How the ndvi and flooding relationship can be described in terms of high rainfed areas??

02 March 2012 8,917 0 View

what is C3 and C4 vegetation?

C3 & C4 type photosynthesis...

01 February 2012 3,722 6 View

Can anyone help me in choosing my thesis topic? I wish to study flooding (climate change).

I'm confused about what exactly to do in flooding using Remote sensing tools.

01 February 2012 7,129 16 View

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as

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