نتایج جستجو برای: arid area therefore

تعداد نتایج: 1171562  

2006
Rodger B. GRAYSON Andrew W. WESTERN Jeffrey P. WALKER Durga D. KANDEL Justin F. COSTELLOE David J. WILSON

2011
X. Jin Q. Zhang Y. Zhang

Evapotranspiration (ET) plays an important role in the hydrological cycle and it is essential to estimate ET accurately for the evaluation of available water resources in arid regions. In this paper, the monthly change of ET in the semi-arid Hailiutu River basin in northwest China were studied. The spatial distribution of ET was assessed by using the energy balance approach SEBS (Surface Energy...

ژورنال: علوم آب و خاک 2014
بخشنده مهر, لیلا , جعفری, رضا ,

Continuous decline of groundwater quality for agricultural purposes has become a major concern in extensive arid and semi-arid regions. Therefore, mapping the quality of groundwater on a broad scale is an essential step in land management. This study aimed to map spatial distribution of two important groundwater quality indices including EC and SAR in Isfahan province, Iran, using geostatistica...

2009

Arid regions are an important part of the world as they cover more than 40% of the land surface and they can provide sufficient opportunities for extensive development. However, urban development of these regions is facing a set of problems. This is besides the development barriers due to the arid regions climate associated with a set of economical, social, administrative, and physical problems...

Journal: :journal of rangeland science 2012
sedigheh zare kia hossein arzani mohammad jafari seyyed akbar javadi ali ashraf jafari

this study aims to assess the effect of grazing intensity on vegetation structure, soil nutrient concentrations and soil physical properties. the study was carried out in steppe rangelands of saveh, markazi province, iran. four sites with four grazing intensities including very high, high, moderate and non-grazed with the same ecological conditions were selected. to study various vegetation and...

2016
Jim Hensman

Future developments in AI and robotics, brain interfaces, the Internet and virtual and augmented reality, will make possible new types of integration of humans and machines which will change how we think, learn and live. This paper uses a story about a future scenario involving systems of this kind to respond to crises and disasters to explore the possibilities of collective intelligence and co...

Journal: :Acta Baltica Historiae et Philosophiae Scientiarum 2018

Journal: :Journal of forests 2022

Studies that allow the understanding of nutrient cycling processes and maintenance soil fertility in caatinga biome are necessary to assist proposal possible management forms, view sustainability this ecosystem, provide data an area knowledge quantification glomalin can be a good indicator changes caused by use and, turn, therefore, it become its recovery because is correlated with important at...

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