Water use productivity is one of the most important factors in scientific agriculture. It is equal to 0. 7 kg of production per cubic meter of irrigation water (Kg/m3) in Iran which is very low in comparison with advanced countries (1 to 2 Kg/m3). Current research studies temporal and spatialchanges of water use productivity in Hamedan province in Iran using Geographic Information System (GIS),...

Accurate interpolation when compiling bathymetric maps is essential in any water depth study. In the case of Saldanha Bay, continuous dredging operations are constantly altering ocean floor, which has a detrimental effect on sedimentation and coastal hydrodynamics. If integrity coastline to be secured, accurate bathymetry predictions would invaluable determining erosion. Inverse distance weight...

Let G be a weighted graph with Laplacian matrix L and signless Laplacian matrix Q. In this note, block representations for the group inverse of L and Q are given. The resistance distance in a graph can be obtained from the block representation of the group inverse of L.

Resource estimation is one of the most important steps in mining process. Precise resource has a significant influence on optimization subsequent steps, i.e. mine planning and scheduling. The previous Angouran Mine was conducted based provided information local coordinate system which causes considerable errors estimations. Therefore, an attempt made this research to optimize block model UTM gl...

A systematic regional geochemical stream sediment survey for base metals copper, lead, and zinc over an area of 200 sq.km was carried out around Wapsa in Solukhumbu District. samples were collected from active streams analyzed them using atomic absorption spectrometry (AAS) method. All chemical analysis data interpreted with geostatistical inverse distance weighing (IDW) multivariate interpolat...

a watershed management program is usually based on the results of watershed modeling. accurate modeling results are decided by the appropriate parameters and input data. precipitation is the most important input for watershed modeling. precipitation characteristics usually exhibit significant spatial variation, even within small watersheds. therefore, properly describing the spatial variation o...

Unbalanced regional development is an inevitable trend in the of all countries world. The rapid Internet Things (IoT) technology has created tools for study issues. IoT many advantages and thus owns a very wide range applications. This paper makes use geographic information system (GIS) technology, which can be viewed as one sensing information. Changes spatial economic differences space evolut...

Abstract Managing soils for improved agricultural production requires information on soil fertility status. Our objective was to map better management in Ethiopia and determine their spatial correlation at a separation distance of 29 m. We collected 82 samples (0–20 cm depth) 560 ha land determined pH, Olsen extractable phosphorus (Olsen‐P), organic carbon (OC). then interpolated between sample...

In this study, the southern expressway, which is first and lengthiest E class highway (126 km) in Sri Lanka, was analysed for roadside accident incidences. The primary objective of paper to identify best-fit interpolation techniques hotspots' most distinctive causes vehicular crashes. details were collected from Police Headquarters consisting 966 accidents that took place during period 2015 201...

Atmospheric pollution has recently drawn significant attention due to its proven adverse effects on public health and the environment. This concern been aggravated specifically in Southeast Asia increasing vehicular use, industrial activity, agricultural burning practices. Consequently, elevated PM2.5 concentrations have become a matter of intervention for national authorities who addressed nee...