Abstract Groundwater is one of the most important water sources in arid and semi-arid areas. With increasing world population demand for agriculture urban use, need resources has increased, especially regions, where groundwater play a significant role. To prevent pollution resources, various studies their preservation maintenance should be carried out, including detailed plan proper management ...

As one of the most catastrophic atmospheric events, drought affects various aspects environment. Groundwater resources are sectors that influenced by long-term droughts and received insufficient attention compared to other Rainfall data collected 23 metrological stations for 20 years (2005, 2010, 2015,2020) was used investigate event its situation in Qazvin plain, central plateau Iran. Drought ...

The main objective of this research was to evaluate the possible impact climate change on groundwater levels in Tasuj Plain, Iran. To accomplish this, values precipitation for a near future period projected through four general circulation models (GCM). Then, level variations genetic expression programming (GEP) model were evaluated. projection results indicated that average annual with 33.55 m...

Abstract The existence of reliable rain-gauge networks is a necessity in managing water sources and the relevant environmental issues any basin. present study aimed to investigate network rank stations Tazehkand sub-basin southwest Lake Urmia, Iran, using entropy–copula approach data obtained from six Siminehrood basin Northwestern Iran between 1981 2019. interaction effects were investigated c...

abstract among different water usage in iran, agricultural sector with 94 percent is the largest water user. considering the share of agriculture in water usage, farmers are the main factor in water resources management. therefore, optimal utilization of irrigation and drainage networks would depend on farmers’ effective role. due to the limited water resources in different country regions, inc...

Background Several scoring was developed for evaluation of children with fecal retention using plain radiograph. There are controversies about specificity and sensitivity of these scoring system. Objectives The aim of this study was to evaluate Barr, Blethyn, and Leech score in evaluation of fecal load in plain radiograph. Methods This case control study was conducted on children aged 2-14 year...

izeh plain is a sedimentary plain situated at northeastern part at khuzestan province, iran where according to some partial investigations carried out in 2007, 54 settlements from epipalaeolitic and early neolithic ages were discovered there. henry wright, who had explored throughout this settlement before islamic revolution, implies that only 30 percent of piedmonts were completely investigate...

Shirvan is located in plain in Northern Khorasan province north east of Iran and has semiarid to temperate climate. To investigate the annual changes in some qualitative parameters such as electrical conductivity, total dissolved solids and chloride concentrations which have increased during ten continuous years. Fourteen groundwater sources including deep as well as semi-deep wells were sample...