A-202 : Organophosphorous pesticide residues in surface water and ground water in the east of Mazandaran province, Iran   Z. Rahmanikhah, A. Esmaeili Faculty of natural resources Science, Tarbiat Modarres University, Iran rahmanikhah@yahoo.com   Abstract Mazandaran province is located between Caspian Sea and Alborz Mountains. Therefore it is very suitable for agricultural activities. It has […]

A-218 Qualitative Investigation of Izeh Karst Aquifer Using Hydrogeochemical and Numerical Models   Nassery,H.R. and Alijani,F. Faculty of Earth Sciences, Shahid Beheshti University , Evin, Tehran , Iran   Abstract     Water samples from five wells and one spring, collected in three periods during 2001, were analyzed to study the hydrochemistry of Izeh karst […]

A-219 : Determination of Reservoir Rocks of the Contact Springs in the South-West of Urmia Lake   Nassery,H.R. and Alijani,F. Faculty of Earth Sciences, Shahid Beheshti University ,Evin, Tehran , Iran       Abstract     Hydrogeochemistry of the springs discharge from the contact of hard rocks / soft rock formations in the south–western […]

A-001 : Drought Prediction over North-East of Iran By Using Downscaling Technique Direct on GCMs Output     Sina Samadi 1,3, Majid Habibi Nokhandan1,2,3   1-      I.R.of Iran Meteorological Organization (IRIMO) P.O.Box: 13185-461 Tehran, Iran, Tel: +98-21-6004026 2-Atmospheric Science and Meteorological Research Center (ASMERC) P.O.Box: 14965-114,Tehran, Iran, TelFax: +98-21-4580666 3-Climatological research institute (CRI), P.O.Box: 91735-676,Mashhad, […]

A-265 : Effects of pixel size variation on accuracy of Digital Elevation Model (DEM)  B. Ghermezcheshmeh, Soil Conservation &Watershed Management Research Institute (SCWMRI), Tehran , Iran , E-mail: Ghermez_b@scwmri.ac.ir , baghergh@yahoo.com B. Saghafian Soil Conservation &Watershed Management Research Institute (SCWMRI), Tehran , Iran , E-mail: saghafian@scwmri.ac.ir Abstract Digital elevation models (DEM) have wide applications in […]

A-194 : Meteorological drought monitoring by using SPI model and GIS in Isfahan province   Tabatabaei Sayyed Hassan1 and Yazdanpanah Hojatollah2 1– Assistant Professor, Department of Water Engineering, Faculty of Agriculture, University of Shahrekord, P.O. Box 115, Shahrekord, IRAN, Email: stabaei@hotmail.com Fax: 0098-381-442-4428 and 2– PhD student of Geography, University of Tarbiat Moallem, Tehran, IRAN […]

A-009 : Construction of Drought Early Detection System in I.R.Of Iran Using NDVI from NOAA/AVHRR Data   Alireza Shahabfar 1 , Azadeh Ramesh 2 1. MSc. of Civil Engineering, I.R.of Iran Meteorological Organization (IRIMO) P.O.Box: 94155-1319,Bojnord, Iran, Email: shahabfar@gmail.com 2. MSc. of Geography, I.R.of Iran Meteorological Organization (IRIMO) P.O.Box: 94155-1319,Bojnord, Iran, Email: azadehramesh@yahoo.com     […]

A-010 North Atlantic Oscillation (NAO) and it’s effects on temperature and precipitation over northwest of Iran Fatemeh Malekifard, Meteorology Organization, P.O.B. 13185-461, Iran. Email: malekifard@irimet.net   Abstract   Atmospheric systems affecting on northwest of Iran are mostly Mediterranean. Intensifying and weakeing of Azores high pressure and Islandic low pressure have mark effects on Mediterranean systems.  […]

 A-013 : Construction of a Flood Risk Management System in a watershed by Using Statistical Models(Case Study : Kardeh Watershed)   Azadeh Ramesh (1) ,Alireza Shahabfar (2) (1) Msc of Geography, Climatological Research Institute(CRI), I.R.of Iran Meteorological Organization(IRIMO), email: azadehramesh@yahoo.com (2) Msc of Civil Engineering ,North Khorasan Meteorological Office, P.O.Box:94155-1319,Bojnord,Iran,Tel:+98-9155187872,Fax:+98-584-2222921, email: shahabfar@gmail.com   Abstract:   […]

A-027 Determination of Spatial Distribution Map of Evapotranspiration by Geostatistical Interpolation Methods in Tehran province   Shahabifar, M., Kouchakzadeh, M. and M. Mohammadzadeh     Abstract            The concept of the reference evapotranspiration was introduced to study the evaporative demand of the atmosphere independently of crop type, crop development and management practices, consequently, reference […]