Soil quality assessment using GIS-based chemometric approach

This paper is a comprehensive assessment of the quality of soil in the Nakhlak mining district in Central Iran with special reference to potentially toxic metals. In this regard, an integrated approach involving geostatistical, correlation matrix, pollution indices, and chemical fractionation measurement is used to evaluate selected potentially toxic metals in soil samples.Get price

Map and data: Iran - Vector layers and ready-to-go GIS

Map and data: Iran. Download vector layers and ready-to-go GIS projects based on OSM ESRI Shape, Geodatabase, GeoJSON, PDF, CSV, TAB, PBF, XML, SQL formats for QGISGet price

Zoning of air quality index (PM10 and PM2.5) by Arc-GIS for

Aug 01, 2018 · In order to determine the number of measurement stations in the study area, we used the equation of n = (var 2 * z 2)/d 2. According to this equation, the number of sampling stations was 30. In addition to the 30 stations mentioned above, 8 stations in traffic and crowded areas of the city were also selected for air pollutants measurement.Get price

Details of 'Geographical Indication' of Iranian agricultural

TEHRAN, Feb. 29 (MNA) – Implementation of the Geographical Indication (GI) project, recently launched in cooperation with FAO in Iran, will lead to the development of agricultural tourism related to the GI.Get price


measurements from 21 air quality monitoring stations in Tehran, Iran. Moral García et al. (2010) carried out sampling campaigns in an urban area in Badajoz City, Spain to measure ambient ozone concentrations using an automatic portable analyzer. This study made use of geostatistical methods to analyze the distribution of ozone concentrations within the city.Get price

GIS Data: A Look at Accuracy, Precision, and Types of Errors

Nov 06, 2011 · Related Articles about GIS Data Quality. Spatial Data Quality: An Introduction; About the Author. Manuel S Pascual (born in Sevilla, Spain) has a Master’s degree in Geography from the University of Seville with majors in Cartography and Photogrammetry. Pascual did his post graduate work at UNM with an emphasis in GIS and Remote Sensing.Get price

GIS Dossier: The impact of oil and gas

GIS’s new “Dossier” series aims to give readers a quick overview of our analysis of key topics, regions or conflicts. This edition looks at oil and gas – specifically, at the trends that are having an impact on this all-important sector, and at how these commodities affect the relations between global and regional players.Get price

Spatial Data Quality: An Introduction - GIS Lounge

Jan 11, 2008 · Data quality is a pillar in any GIS implementation and application as reliable data are indispensable to allow the user obtaining meaningful results. Spatial Data quality can be categorized into Data completeness, Data Precision, Data accuracy and Data Consistency. Data Completeness: It is basically the measure of totality of features.Get price

Scale of measurement - GIS Wiki | The GIS Encyclopedia

Sep 10, 2018 · Stevens' Scales of Measurement or level of measurement is a system for classifying attribute data into four categories, developed by psychologist Stanley Smith Stevens and first published in 1946. [1] [2] Stevens called his four scales nominal , ordinal , interval , and ratio , so the system is often called "NOIR."Get price

Mini Lamps and T-1 NDIR Sensor Lamps | ILT

NDIR sensors can be used to measure practically all inorganic and organic gases, but are most often used for measuring carbon dioxide because no other sensing method works as simply and reliably for this gas. Calibration gases of specific concentration are available for determining the NDIR system constant k for any particular sensor design.Get price

A GIS-based fuzzy-analytic hierarchy process (F-AHP) for

Oct 01, 2020 · Managing ecotourism through appropriate zoning is critical for land use planning. This study is the first to integrate a geographic information system (GIS) with a Fuzzy-Analytic Hierarchy Process (F-AHP) to evaluate the relative importance of physical, natural, environmental, and socio-economic factors for determining the suitability of ecotourism sites.Get price

Gis Map | Iran Google Satellite Maps

This place is situated in Hormozgan, Iran, its geographical coordinates are 28° 36' 0" North, 55° 44' 0" East and its original name (with diacritics) is Gīs. See Gis photos and images from satellite below, explore the aerial photographs of Gis in Iran. Gis hotels map is available on the target page linked above.Get price


هدف ما ایجاد gis های کلان نیست. استفاده از GIS است برای حل مسئله ای هر چند به نظر کوچک , ولی کامل تمامي حقوق اين سايت متعلق است به شرکت gis-iran و هرگونه کپي برداري بدون مجوز از آن، پيگرد قانوني دارد.Get price

Air and Climate Companies and Suppliers in Iran

ENVEA - Model MIR 9000P - Portable Multi-Gas Analyzer NDIR-GFC. The MIR 9000P belongs to the new generation of ENVEA gas monitors, showcasing eco-design, IoT and on board intelligence. It measures simultaneously 8 gases – NOx, SO2, CO, CO2, CH4, N2O, O2 and residual H2O – and uses the REQUEST QUOTEGet price

NDIR Infrared (IR) gas sensor for CO2, methane, Sulfr hexafluoride, refrigerants

NDIR SENSORS: N.E.T. NDIR – the most complete range of Infrared (IR) gas sensor on the market for CO2, sf 6, hydrocarbon and refrigerant gases. We make no mystery about it: Non-Dispersive InfraRed (NDIR) technology is at the core of our DNA. This is completely designed and manufactured at the N.E.T. headquarters in Milan, Italy and our staff is constantly working to extend it, improve it and optimize it.Get price

Statistical Modeling for Spatial Groundwater Potential Map

an aquifer in a semi-arid region of Iran using geographic information systems (GIS)-based statistical modeling. To this end, 75 agricultural wells across the Marvdasht Plain were sampled, and the water samples’ electrical conductivity (EC) was measured. To model the groundwater quality,Get price

Study on Groundwater Quality Using Geographic Information

This study involves the analysis of water resources pollution data using Geographic Information System (GIS), which is a subset of the purposes such as: study on the status (situaion) of the aquifer, the natural and man-made effects on aquifer quality, evaluation and investigation of quality monitoring results of Ardabil aquifer, study on quality limitations by comparing the results ofGet price

Geographic information system - Wikipedia

A geographic information system (GIS) is a conceptualized framework that provides the ability to capture and analyze spatial and geographic data.GIS applications (or GIS apps) are computer-based tools that allow the user to create interactive queries (user-created searches), store and edit spatial and non-spatial data, analyze spatial information output, and visually share the results of theseGet price

Governance and Development in Iran

the following sections, I first discuss the theoretical background for measuring the quality of governance in general and then apply the described framework to evaluate the quality of governance in contemporary Iran. 2. Theoretical Framework Effective governance plays a decisive role in the social and economic development of nations. InGet price

Iran - United States Department of State

Iran has acknowledged the involvement of the IRGC-QF in the Iraq and Syria conflicts, and the IRGC-QF is Iran’s primary mechanism for cultivating and supporting terrorists abroad. In April 2019, the Secretary of State designated the IRGC, including the Qods Force, as a Foreign Terrorist Organization (FTO).Get price

Remote sensing and GIS approach for water-well site selection

Field measurements were made to create spring-location and groundwater-quality GIS layers. Subsequently, expert choice and relational methods were used in a GIS environment to conjunctively analyze all layers to delineate preferable regions and 43 individual sites in which to drill water wells.Get price

Influence of Air Pollution on Chemical Quality of Wet

Atmospheric precipitation is considered as a major water resource for indoor, municipal, industrial and agricultural uses. This study was aimed to evaluate the effect of air pollution on chemical quality of rain and snow in Urmia, a city in northwest of Iran.Get price

geology/iran (MapServer) - USGS

Compression Quality: 0.0; Origin: X: -2.0037508342787E7 Y: 2.0037508342787E7; Spatial Reference: 102100 (3857) Initial Extent: XMin: 3712792.125112097 YMin: 3260574.952426603 XMax: 7837964.637532116 YMax: 5023574.561739403 Spatial Reference: 102100. Full Extent:Get price

Monitoring and assessment of water health quality in the

Apr 16, 2015 · Measured data on biotic (fish and macroinvertebrates) and abiotic elements (28 physicochemical and habitat parameters), were used to calculate six indices for assessment of water quality and the impact of human activities in the Tajan river, Iran. GIS, uni- and multivariate statistics were used to assess the correlations between biological and environmental endpoints.Get price

Series 6 | Extractive continuous process gas analytics

This guarantees perfect linearity and enables parameterization of smallest measuring ranges from 0 to 0.5% (detection limit 50 ppm) up to 0 to 100%, and even 99.5 to 100% in a single device. High-quality materials in the gas channel even enable the analytical devices to be used for measurements of corrosive gas mixtures.Get price

Arduino CO2 Meter- Measure CO2 using Arduino | Circuit Digest

Nov 17, 2020 · MQ-135 Gas Sensor is an air quality sensor for detecting a wide range of gases, including NH3, NOx, alcohol, benzene, smoke, and CO2. MQ-135 sensor can either purchased as a module or just as a sensor alone. In this project, we are using an MQ-135 sensor module to measure CO2 concentration in PPM.Get price

Gis, Iran - Wikipedia

Gis (Persian: گيس ‎, also Romanized as Gīs; also known as Gīseh, Gīshū’īyeh-ye Bāla, Gīshū’īyeh-ye Pā’īn, and Kīsa) is a village in Dar Agah Rural District, in the Central District of Hajjiabad County, Hormozgan Province, Iran. At the 2006 census, its population was 721, in 170 families.Get price

SF Transmitter 6 High Voltage Technology

transmitter is ideally suited for the gas measurement of sulfur hexafluoride in the field of high voltage engineering. The transmitter can be used both as a gas leak detector and to monitor the gas quality in gas-insulated switchgear (GIS) or transformers. High Voltage Technology SF 6 TransmitterGet price

Iran (Islamic Republic Of) - Humanitarian Data Exchange

Data Grid Completeness defines a set of core data that are essential for preparedness and emergency response. For select countries, the HDX Team and trusted partners evaluate datasets available on HDX and add those meeting the definition of a core data category to the Data Grid Completeness board above.Get price