scholarly journals Mapping the Spatial Distribution of Criteria Air Pollutants in Peninsular Malaysia Using Geographical Information System (GIS)

Author(s):  
Mohd Zamri ◽  
Marzuki Ismail ◽  
Yong Kim
Irriga ◽  
2008 ◽  
Vol 13 (2) ◽  
pp. 205-219
Author(s):  
Francisco Antônio Galatti Filho ◽  
Sérgio Campos

GEOPROCESSAMENTO APLICADO NA DISTRIBUIÇÃO ESPACIAL DA CAPACIDADE DE USO DE UMA MICROBACIA  Francisco Antônio Galatti Filho; Sérgio Campos Departamento de Engenharia Rural, Faculdade de Ciências Agronômicas, Universidade Estadual Paulista, Botucatu, SP,  [email protected]  1 RESUMO              O presente trabalho teve como objetivo mostrar a distribuição espacial da capacidade de uso das terras da microbacia do Córrego dos Rochas, Município de Avaré-SP, utilizando do Sistema de Informação Geográfica - Idrisi, visando contribuir para uma melhor organização territorial e planejamento de uma adequada da ocupação do solo. Os resultados obtidos a partir da metodologia utilizada permitiram mostrar que a maior parte das áreas de terras da microbacia dos Rochas são formadas por solos pertencentes às seguintes unidades: LATOSSOLOS VERMELHO-AMARELOS (LVA52) Distróficos (36,64%) e LATOSSOLO VERMELHOS (LV4) Eutroférricos e Distroférricos (30,30%), apresentando textura arenosa. Em relação à declividade, houve um predomínio de áreas com classes de declive de 0-12%, relevo plano a ondulado (61,37%) da área da microbacia, mostrando que essas terras são propícias para o cultivo de culturas anuais, com amplo uso da mecanização. A maior parte das terras foi classificada como sendo da classe IV (73,79 %) de capacidade de uso. Na área de estudo, foram encontradas as seguintes subclasses de capacidade de uso das terras: IIe,s; IIIe; IVs; IVe; IVe,s, VIe e VIIe.  As subclasses de capacidade IVe; IVe,s, IVs e VIe foram as mais representativas, mostrando se tratar de terras que podem ser utilizadas para fins agrícolas, próprias para lavouras em geral, ressaltando-se que, quando cultivadas sem cuidados especiais, ficam sujeitas a severos riscos de depauperamento, principalmente quando nos solos são utilizadas culturas anuais. O Sistema de Informação Geográfica – Idrisi mostrou-se eficiente na determinação da capacidade de uso das terras da microbacia do Bairro dos Rochas, Município de Avaré-SP, demonstrando que a utilização de ferramentas de geoprocessamento facilita e agiliza os trabalhos dos cruzamento de dados, permitindo o armazenamento digital de dados que poderão vir a ser utilizados para outras análises, sobretudo para futuros planejamentos territorial e ambiental da área ora estudada. UNITERMOS: uso do solo, Sistema de Informação Geográfica (SIG), Idrisi Kilimanjaro.  GALATTI FILHO, F.A., CAMPOS, S. GEOPROCESSING APPLIED TO SPATIAL DISTRIBUTION OF A WATERSHED SOIL USE CAPABILITY  2 ABSTRACT             The present study aimed to show the spatial distribution of the Rochas watershed (Avaré-SP,Brazil) soil use capacity using the Idrisi geographical information system in order to contribute to a better territorial organization and the planning of the appropriate soil occupation. The obtained results using this methodology showed that most of the Rocha watershed areas are from the following groups: dystrophic yellow-red latosol (36.64%), eutroferric and distroferric red latosol (30.30%) with sandy texture. There was a predominance of areas with slope classes of 0-12%, plain to wavy relief (61.37% of the watershed area) showing that these areas are appropriate for annual culture plantations with wide use of machinery. Most of these areas were classified as class IV (73.79%) as to use capacity. In the studied area the following subclasses of land use capacity were found: IIe, s; IIIe; IVe; IVs; IVe,s; VIe and VIIe. Capacity subclasses IVe; IVe,s; IVs and Vie were the most significant because they are areas that can be used for agriculture but subject to severe soil impoverishment if there are no special care mainly for annual cultures. The Idrisi geographical information system was efficient to determine soil use capacity of the Rocha’s watershed showing that the use of geoprocessing tools makes data analysis easier and faster, allowing digital data storage for future analysis uses mainly for territorial planning and environmental studies. KEY WORDS: soil use, Geographical Information System (GIS), Idrisi Kilimanjaro.


Author(s):  
Rosana Maria Santos Sant'Ana ◽  
Silvana Sá de Carvalho ◽  
Arnaldo Bispo de Jesus

The purpose of this article is to show the spatial distribution of occurrences registered in Environmental Police Company in Salvador and more 12 cities of its Metropolitan Region in the year 2012, using Geotechnologies. Initially, data was collected and inserted into a Geographical Information System-WEB (GIS-WEB). These records contained a nearly geographic location of the occurrence. Thus it was possible to specalize them and systemaize them using an specific geoprocesing software – the ArcGIS. Lately the Kernel density Estimator was apllied to data to become possible visualizing the spots of higher concentration of point. Then it was possible to idenify and analyze areas with larger rates of requests upon social insects, sylvan animals and even environmental crimes denounces. It is expected that the resulting maps can give a support on the planning of actions to this company.


Author(s):  
Mohamad GHANIMATDAN ◽  
Abdolali CHALECHALE ◽  
Farid REZAEI ◽  
Mohamad Bagher ROKNI ◽  
Seyed Reza SHAHROKHI

Background: This study aimed to investigate the prevalence of fascioliasis and to perform a climatological analysis of different regions of Iran based on the current situation of the parasite and its intermediate host using Geographical Information System (GIS). Methods: Meteorological data were obtained from Iran Meteorological Organization. Risk map of fascioliasis transmission was prepared based on this data and using forecasting indices. Further, the number of fascioliasis cases from 31 provinces reported to the Iran Veterinary Organization were collected and prevalence maps of livestock fascioliasis were drawn. Results: The main risk hotspots were found in Northern provinces like Golestan, Mazandaran and Gilan as well as some Southern provinces such as Kohgiluyeh and Boyer-Ahmad and Chaharmahal and Bakhtiari and Fars, which have ideal conditions for completion of the parasite life cycle. Moreover, Gilan Province with 10.83% had the highest rate of fascioliasis infection in slaughtered animal. Conclusion: Iran is one of the most important foci of fascioliasis globally. Several provinces of Iran have appropriate conditions for evolution of parasite life cycle and presence of its intermediate host. These regions require special attention and serious determination in order to control fascioliasis in human and animals.


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