Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Gholam Reza Zehtabian"'
Publikováno v:
پژوهشهای آبخیزداری, Vol 33, Iss 2, Pp 66-81 (2020)
Climate change is among the most important challenges affecting the natural ecosystems and various aspects of the human life. The global warming imposes serious impacts on the hydrology and water cycle in the nature, and quantitative evaluation of su
Externí odkaz:
https://doaj.org/article/ae02486cbb8041f8a178716cc02b9be0
Publikováno v:
مدیریت بیابان, Vol 3, Iss 6, Pp 25-38 (2015)
One of the important criteria of desertification is water and irrigation which is influenced by various indices, all of which are affected by human activities. In this research, in order to determine the most effective water and irrigation index in t
Externí odkaz:
https://doaj.org/article/ec609e0ff7be48c28089996370243762
Publikováno v:
مدیریت بیابان, Vol 3, Iss 5, Pp 65-78 (2015)
In this study, the groundwater level depletion and electrical conductivity (EC) were chosen to assess the water quality and quantity changes in Kashan plain, Iran. The relevant hydrographs were drawn using Thiessen polygons based on the piezometric d
Externí odkaz:
https://doaj.org/article/2dbe99140f514003a4a21b3375a46435
Publikováno v:
مدیریت بیابان, Vol 2, Iss 3, Pp 51-60 (2014)
One of the striking aspects in the world is the phenomena of desertification and degradation of natural resources and international efforts has been considered over the last decades to combat and prevent this phenomenon. The most important cases of t
Externí odkaz:
https://doaj.org/article/89d44a13732a49c092d7552f4526335e
Autor:
Seyed Mehrdad Tabatabaeefar, Gholam Reza Zehtabian, Mohammad Rahimi, Hassan Khosravi, Shima Nikoo
Publikováno v:
مدیریت بیابان, Vol 1, Iss 2, Pp 39-48 (2013)
Desertification consists of land degradation in arid, semi-arid and dry sub-humid areas induced by climate change and human activities. For evaluation and mapping of desertification many research have been conducted leading to regional and local mode
Externí odkaz:
https://doaj.org/article/23ee4164928749c0a02fce8bcee0193e
Autor:
Hassan Barabadi, Gholam Reza Zehtabian, Ali Tavili, Abolghasem Dadrasi Sabzevar, Hassan Khosravi
Publikováno v:
مدیریت بیابان, Vol 1, Iss 1, Pp 1-12 (2013)
The purpose of this study was to evaluate the success rate of planting project. Also reviews combating desertification in this region by the Project. First, plant characteristics including canopy cover and vegetation density were measured by transect
Externí odkaz:
https://doaj.org/article/843a4ae430854112862c9bbcfcda20d4
Autor:
Gholam Reza Zehtabian, Maryam Naeimi
Publikováno v:
International Journal of Environmental Science and Development. :474-478
Considering the population growth rate in the world currently has about 2 percent which is estimated every 35 years to the present, in terms of water needed was double increased. Thus, appropriate management is necessary in order to exploit and optim