Vincent Ferrer

5 Questions 10 Answers 0 Followers

Questions related from Vincent Ferrer

What are the limitations of DEM derived watershed and stream networks? How do we compare and validate them?

Recently DEMs have been the most sort out solution for drainage and stream network studies. The recent availability of numerous global open source DEMs provides immense potential for...

31 August 2021 3,866 3 View

Step by step procedure for Lidar data processing?

I would gratefully appreciate tutorials on processing Terrestrial LiDAR Data. I use the CLOUD COMPARE software to process the data in FLS (FARO TLS) data format. Cloud compare supports importing...

28 May 2021 5,586 3 View

SAR images show water in dark tone. Is it due to reflection or absorption?

Generally in Synthetic Aperture Radar images, water bodies look as darker or black tone. The interpretation given is that water is a smooth surface and hence the radar signal gets reflected off...

01 November 2017 8,906 7 View

How to deal with the ndvi range variation from landsat 7 and landsat 8?

I try to study the vegetation change using NDVI from landsat 7 and landsat 8 wherein the maximum NDVI value for NDVI from landsat 7 is 0.8 whereas for the NDVI from Landsat 8 is only 0.6 but...

22 October 2016 1,242 9 View

What is the relation between reflectance to bathymetry using stumpf method?

I would like to know the relationship (means whether reflectance increases with depth or reflectance decreases with depth) in the regression equation relating reflectance with in situ depth values...

03 June 2016 1,574 5 View