Volume 12, Issue 1
مرور بر اساس
ارسال های اخیر
-
Testing the four models for prediction of gully head advancement (case study: Hableh Rood basin- Iran)
(University of Tehran, 2007-06-01)Gully erosion is one of the most complicated and destructive forms of water erosion. In order to prevent this erosion, the important factors advancing gully head must be recognized. Nowadays, several models have been ...
-
A study of the relationship among temperatures of surface features and its application in remote sensing study of Lut desert
(University of Tehran, 2007-06-01)Physical characteristics of different features in desert is a reflection of severe thermal and climatic conditions. In this paper, diurnal surface temperature patterns of important surface features in Lut Desert were studied ...
-
Analysis of sand dunes to determine wind direction and detect sand source sites (case study: Khartooran Erg, Iran)
(University of Tehran, 2007-06-01)Wind regime and sand grain size are two of the factors that determine the morphology and dynamics of sand dunes in desert areas. Regarding the importance of wind effects on sand dunes especially in Iran, in this study, ...
-
Investigation of pedological criterion on land degradation in quaternary rock units (case study: Rude-Shoor watershed area)
(University of Tehran, 2007-06-01)To investigate pedological criterion on land degradation in Quaternary rock units, at first, a part of the shoor watershed area was selected. After distinguishing target area, slope classes, land use and geology maps were ...
-
Optimisation of irrigation system in arid land pistachio orchards
(University of Tehran, 2007-06-01)This research was designed to evaluate and compare the applicability of two different types of irrigation including traditionally (surface irrigation) and simple sub-surface drip irrigation (using pricked-pipe covered with ...
-
Effect of water stress on seed germination of Artemisia spicigera & Artemisia fragrans
(University of Tehran, 2007-06-01)Physiological effect of five levels of water stress (0,-0.3,-6,-9 and -1.2MP) was studied on seed germination and tigella as well as radicule growth length in two different Artemisia species namely: Artemisia spicigera and ...
-
Validation of air freezing index (AFI), for determination of frost penetration depth in typical arid and semi-arid zones of Iran
(University of Tehran, 2007-06-01)Depth of frost penetration is one of the main indices in agriculture, civil and transportation engineering. Soil temperature is a function of several factors including: topography, solar radiation, air temperature, moisture ...
-
Application of geostastical methods for determining annual precipitation in Karoon and Dez basins
(University of Tehran, 2007-06-01)Prediction of annual average precipitation over a regin is one of important issues in watersherd management and natural resources planning. Geostatistics is one of the useful methods for precipitation prediction which ...
-
Wheat yield prediction through agrometeorological indices for Hamedan, Iran
(University of Tehran, 2007-06-01)Yield prediction before harvesting is one of the tools in order to planning food production supply in future.Yield prediction was carried out for Wheat(Triticum aestivum) using different meteorological variables with ...
-
Study of wheat grain protein increasing through foliar application of nitrogen after anthesis
(University of Tehran, 2007-06-01)An experiment was conducted to study wheat grain protein increasing through foliar application of Nitrogen afterflowering. The RCBD design was analysed with three replications and four N-treatments as foliar application ...



