Volume 23, Issue 2
مرور بر اساس
ارسال های اخیر
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Is it necessarily a normally distributed data for kriging? A case study: soil salinity map of Ghahab area, central Iran
(University of Tehran, 2018-12-01)After collecting data, in researches, the type of data distribution must be determined; since any analysis requires the distribution of its own data. Soil properties, such as salinity, are also the same case. Due to its ...
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Comparing soil taxonomy and WRB systems to classify soils with clay-enriched horizons (A case study: arid and semi-arid regions of Iran)
(University of Tehran, 2018-12-01)Comparing the ability of ST and WRB systems to describe soils with clay-enriched horizons was the aim of the present research. In arid and semi-arid regions of Iran, two study sites were considered. Three pedons at each ...
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Effect of glycine betaine and salinity on photosynthetic pigments and ion concentration of safflower
(University of Tehran, 2018-12-01)The influence of exogenous application of glycine betaine (GlyBet) was examined on photosynthetic pigments and ions concentration of safflower under salinity stress conditions. The experiment was performed in a randomized ...
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Mapping spatial variability of soil salinity in a coastal area located in an arid environment using geostatistical and correlation methods based on the satellite data
(University of Tehran, 2018-12-01)Saline lakes can increase the soil and water salinity of the coastal areas. The main aim of this study is to distinguish the characteristics of the spectral reflectance of saline soil, analyze the statistical relationship ...
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Saltwater intrusion vulnerability assessment using AHP-GALDIT model in Kashan plain aquifer as critical aquifer in a semi-arid region
(University of Tehran, 2018-12-01)Owing to population growth and water demand, coastal aquifers all over the world are over–pumped, resulting in serious problems such as saltwater intrusion. So, in these conditions, assessing the groundwater system's ...
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Study of spatial and temporal rain and drought patterns in the south of Iran using TRMM
(University of Tehran, 2018-12-01)Droughts are one of the most damaging climatic phenomena, and the most complex natural hazard which affects the economy, agriculture, public health and environment in large areas. The aim of this study is to compare drought ...
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Banded vegetation in some Australian semi-arid landscapes: 20 years of field observations to support the development and evaluation of numerical models of vegetation pattern evolution
(University of Tehran, 2018-12-01)Periodic vegetation patterns (PVPs) are striking features of many global drylands. Although they have attracted wide research study, resulting in many hypotheses, their origin and controlling factors remain unresolved. ...
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The impact of drought periods and wind erosion on the physical development of desert cities (Case Study: Zabol- Iran)
(University of Tehran, 2018-12-01)The physical development of cities is always faced with natural barriers. The physical development of the city of Zabol, located in the Sistan plain, is threatened specifically with the development of sand dunes. For this ...
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Effects of NaCl on growth, yield and ion concentration of various Populus euphratica Oliv. ecotypes in Iran
(University of Tehran, 2018-12-01)Euphrates poplar (Populus euphratica Oliv.) is a woody species that is naturally distributed in the desert areas of some parts of Asia and Africa. Because of its outstanding features, it is a model plant to study ...



