Jibran Khan

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Questions related from Jibran Khan

How to address confounding in traffic pollution induced health effects?

Considering road traffic as an example, some of the studies report confounding in their associated health effects (for example; CVD etc.) induced by environmental stressors such as air and noise...

02 February 2017 1,936 5 View

Any advice on selecting features of vector layers based on another vector layer using GIS tools and techniques?

I am using three vector layers (point, polyline and polygon shapefiles) of the region of interest. Any advice in making the selections from one dataset based on the other datasets? What I am...

01 January 2016 3,126 11 View

How might I extract impervious surfaces such as sideways, roads, building roofs etc. from a high resolution satellite raster image using Python?

Assuming we have high resolution satellite imagery (multi-spectral raster image) of a large urban area, then how can Python be implemented for the extraction of impervious surfaces?

08 August 2015 7,945 5 View

Difference between ASAR Wide Swath and Alternating Polarization for vegetation monitoring?

Can someone please elaborate the difference between ENVISAT ASAR Wide Swath (WS) data and ASAR Alternating Polarization (AP) data such as HV or VH when they are used for vegetation monitoring for...

08 August 2015 1,377 3 View