Mapping of equipotential surfaces using the free Quantum Geographic Information System software
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چکیده
منابع مشابه
Inland wetlands mapping and vulnerability assessment using an integrated geographic information system and remote sensing techniques
The understanding of inland wetlands’ distribution and their level of vulnerability is important to enhance management and conservation efforts. The aim of the study was to map inland wetlands and assess their distribution pattern and vulnerability to natural and human disturbances such as climate change (temperature increase) and human activities by the year 2080. Inland wetland types i.e. for...
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Land cover/land use categories are relevant components in land management. Understanding how land cover/land use change over time is necessary to assess the consequences of humans and natural stressors on the earth’s environment and resources. The aim of the study was to map and monitor the spatial and temporal change in land cover/land use for the periods of 1977, 1991 and 2016 and to predict ...
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This paper reports on recent advances in FOSS4G (Free and Open Source Software for Geoinformatics). Features of the new GRASS 6.2.0 release, a major software package among the FOSS4G product family, are summarised in this paper. The new capabilities of GRASS 6 include a new engine for spatial vector data processing as well as an improved user interface with internationalisation efforts and mult...
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polycyclic aromatic hydrocarbons (pahs) are a group of organic compounds made up of two or more fused benzene rings in linear, angular or cluster arrangements. the pahs are formed by incomplete combustion or high temperature pyrolytic process involving organic matter. thirty sampling sites were selected to characterize the pahs concentrations in ambient air in tehran. sixteen pahs were measured...
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ژورنال
عنوان ژورنال: Revista Brasileira de Ensino de Física
سال: 2019
ISSN: 1806-9126,1806-1117
DOI: 10.1590/1806-9126-rbef-2019-0051