Jasim Ali

7 Questions 20 Answers 0 Followers

Questions related from Jasim Ali

What is the land surface emissivity temporal varaition?

Does the land surface emissivity differ over time, and is there a difference between night and daytime emissivity for the same location?

03 March 2016 5,512 0 View

How can get thermal data for the UK?

I am looking for thermal data for the UK, I need high resolution data. The reason for that is analyzing the heat loss from urban areas and investigating the thermal response of different urban...

07 July 2014 731 2 View

How can we get 3D urban surface materials by remote sensing?

I am thinking of working on building a 3D model with the characteristics of urban materials using remote sensing data. Could you please suggest any approach or possible image combination for that?...

03 March 2014 8,182 6 View

What is the position accuracy of Landsat 8 data?

I am wondering if the acquisition of Landsat 8 data provides the same location over every visit (same pixel location). How can we compare the temporal change if there is any shift, and what are...

03 March 2014 7,520 8 View

Can anyone suggest some free remote sensing data?

What is the available multispectral and hyperspectral data that we can download for free? I know the earth explorer and glovis, however, if there is any other websites that offer good resolution...

02 February 2014 8,307 26 View

What is the difference between Radar and LiDAR data in terms of application and characteristics?

I am wondering what the difference is between Radar and LiDAR data in terms of what we can get out of each one and the characteristics such as resolution and wave range and if it is available from...

02 February 2014 9,432 6 View

Could you tell me from where I can get high resolution remote sensing data for London and Baghdad?

I am doing a PhD research on mapping urban material and temperature (urban heat island) by using the best available hyperspectral and multispectral data in terms of the spectral, spatial, and...

02 February 2014 6,397 7 View