Saleh Yousefi

7 Questions 16 Answers 0 Followers

Questions related from Saleh Yousefi

What would be the "Natural Resource Management" in PAST-covid19 era?

In your opinion, what will be the attitude of human to the natural resources management (environment, water resources, soil resources, etc.) after the COVID-19 era?

19 May 2020 320 16 View

How I can download the GRID (raster) maps for annual precipitation in different years?

For one of my projects I'm looking for raster layers of annual precipitation/rainfall for 2017, 2018 and 2019. Let me know your recommendations please.

11 December 2019 4,340 4 View

Effective parameters on river morphology?

Which one is ore effective on flood plain rivers morphology and WHY?: 1- Gravel mining 2- Hydrological conditions 3- Land use types of River sides.

15 April 2016 8,445 6 View

How we can calculate the Width of an river section?

To determine the mean river Width in sections, there are different methods. As you know, rivers shape isn't an unique shape and I can't calculate it by mathematical methods that usually we used in...

03 October 2014 6,215 12 View

What is the optimum distance from rivers in meander changes research?

What is the optimum buffer for investigation river changes along 80 years by satellite images and aerial photography ?

03 October 2013 8,797 5 View

What is the minimum spatial resolution in aerial photo and satellite images when you want to determine the river width (15 meters) by RS?

My PhD thesis focuses on spatio-temporal river change by aerial photos and satellite images. I need the accurate width of river at 60 years ago until know. The aerial photos scale that I have are...

26 September 2013 7,095 5 View

Anyone know what is the relation between one places climate and images DN, or how climate can affect DN?

What kind of image classification is suitable for any land use or land cover types, spatially in different climates?

13 August 2013 5,664 4 View