Tag Archive | Drought

The application of virtual water in order to escape the drought crisis in line with water resources management – JBES

Edris Merufinia, AzadAram, Saied Khoshtinat

Department of Civil Engineering, College of Water Engineering, Mahabad Branch, Islamic Azad University, Mahabad, Iran

Department of Civil Engineering, College of Water Engineering, Mahabad Branch, Islamic Azad University, Mahabad, Iran

Department of Civil Engineering, Roudehen Branch, Islamic Azad University, Roudehen, Iran

Key words: Virtual Water, Productivity, Drought, Crisis Management.

virtual waterAbstract

Being located in arid and semi-arid area and increasing water consumption, Iran is going to face the threat of water crisis in the coming years. So, in order to deal with this problem care must be taken in treating different types of water consumption. Continue reading

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Evaluation of plant diversity indices and the biomass of Pistacia atlantica under drought stress in grazing and enclosed area (case study: Tag-e Ahmad Shahi, Nehbandan, Iran) – JBES

PistaciaSholeh Ghollasimood, Omar Amousi, Abasali Mahmoodi

Pasture and Watershed Dep., Faculty of Natural Resource and Environment, University of Birjand, Iran

Faculty of Natural Resource and Environment, University of Birjand, Iran

Central Office of Natural Resource in Birjand, Iran

Key words: Drought, Enclosed area, Grazing, Nehbandan, Species diversity.

Abstract

Preparing floristic composition is very important to determine vegetation potential in an area to achieve the best pasture management. In order to plant identification in grazing and enclosed areas (each 4 hectares) 40 plots were established (10*10 m) in Tag-e Ahmad Shahi, Nehbandan. Continue reading

Temporal trend calculation of di (drought index) and comparison of two methods of IDW and KRG as important spatial analysis tools – JBES

DroughtMaryam Rashidfar, Hassan Ahmadi, Gholamreza Zehtabian

Department of Agricultural and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran

Department of Agricultural and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran

Collage of Natural Resources, University of Tehran, Karaj, Iran

Key words: Drought, drought index, temporal trend, spatial analysis, DI.

Abstract

Drought is one of the main natural causes of agricultural, economic and environmental damage. The objective of this study is to provide a comparative spatial analysis by using IDW and KRG methods in Taleghan Watershed in Iran with the view to identifying trends and onset of drought. Continue reading

The study of climate change in Mazandaran Province using the limit indices of temperature and precipitation – JBES

Mazandaran,Razaghian Hadi, Shahedi Kaka, Haghshenas GatabiRahman Rahman Ali, Kheirollah Poor Saraee Ahmad

Department of Watershed Management Engineering Sari Agricultural Sciences and Natural Resources University and Instructor, Dept. of Natural Resources and Environmental Engineering, Payam Noor University and, 19395-4697, Tehran, Iran

Department of Agricultural Sciences and Natural Resources Department, Sari University, Iran

Department of Natural Geography, Mazandaran Province Meteorological Department, Fourth Kilometers of Sari-Qaemshahr Road, Iran

Key words: Mazandaran, climate change, drought, SPI.

Abstract

In recent years, we could rarely find a day in which the mass media do not release news and reports about natural disasters such as intensive storms, flood, drought and their heavy damages to catchments and human’s environment. Continue reading

Index of drought and wet years using the percentage of normal (PNPI) and Nietzsche Semnan – JBES

DroughtSahar Ghafari, Rahim Rezaie, Esfandiar Jahantab

Range Management, Faculty of Natural Resources, University of Tehran, Karaj, Iran

Combat desertification, Faculty of Natural Resources, University of Esfahan, Esfahan, Iran

Young researchers club, Dehdasht branch, Islamic Azad University, Dehdasht, Iran

Key words: drought, wet, Percent of Normal Precipitation Index (PNPI) , Nietzsche and Semnan.

Abstract

Hazards such as drought, which is affecting all aspects of life and the environment, so understanding the sources and across different environments, can be an important step in resource management. Continue reading