scholarly journals USE OF MERCATOR CARTOGRAPHIC REPRESENTATION FOR LANDSAT 8 IMAGERIES

2017 ◽  
Vol 43 (2) ◽  
pp. 50-55 ◽  
Author(s):  
Claudio MENEGHINI ◽  
Claudio PARENTE
Keyword(s):  
Information Systems ◽  
Geographical Information Systems ◽  
Essential Role ◽  
Remotely Sensed ◽  
Work Flow ◽  
Geographical Information ◽  
Landsat 8 ◽  
Research Activities ◽  
Mercator Projection ◽  
Remotely Sensed Images

Nowadays Marine Geographical Information Systems (MGIS) play an essential role in several research activities, the most part of them related to solve Geoscience problems. The nautical maps, containing most of the information used by the marine navigators, are used as cartographic base of MGIS and widely referred to Mercator projection. Remotely sensed images can be introduced in MGIS to improve the study outcomes even if they are in a different cartographic representation (generally Universal Transverse of Mercator, UTM). The adaptation of already georeferred remotely sensed images to Mercator projection requires particular care, moreover when also geodetic data are different (i.e. local datum and global datum). This paper is aimed to offer an easy-to-use work-flow that could be adopted every time remotely sensed images are to be introduced in MGIS and overlaid to nautical maps. Particularly the work addresses the implementation and evaluation of reprojection of Landsat 8 imageries, regarding both the gulfs of Naples and Salerno (Italy): a transformation from UTM WGS84 to Mercator Roma40 is applied. The result accuracy encourages the adoption of the proposed work-flow.

scholarly journals Implementation of geographical information systems for the study of diseases caused by vector-borne arboviruses in Southeast Asia: A review based on the publication record

2020 ◽  
Vol 15 (1) ◽  
Author(s):  
Ajib Diptyanusa ◽  
Lutfan Lazuardi ◽  
Retnadi Heru Jatmiko
Keyword(s):  
Information Systems ◽  
Southeast Asia ◽  
Japanese Encephalitis ◽  
Disease Transmission ◽  
Geographical Information Systems ◽  
Temporal Dynamics ◽  
Geographical Information ◽  
Disease Manifestation ◽  
Research Activities ◽  
Vector Distribution

The spread of mosquito-borne diseases in Southeast Asia has dramatically increased in the latest decades. These infections include dengue, chikungunya and Japanese Encephalitis (JE), high-burden viruses sharing overlapping disease manifestation and vector distribution. The use of Geographical Information Systems (GIS) to monitor the dynamics of disease and vector distribution can assist in disease epidemic prediction and public health interventions, particularly in Southeast Asia where sustained high temperatures drive the epidemic spread of these mosquito-borne viruses. Due to lack of accurate data, the spatial and temporal dynamics of these mosquito-borne viral disease transmission countries are poorly understood, which has limited disease control effort. By following studies carried out on these three viruses across the region in a specific time period revealing general patterns of research activities and characteristics, this review finds the need to improve decision-support by disease mapping and management. The results presented, based on a publication search with respect to diseases due to arboviruses, specifically dengue, chikungunya and Japanese encephalitis, should improve opportunities for future studies on the implementation of GIS in the control of mosquito-borne viral diseases in Southeast Asia.

scholarly journals INVESTIGATION OF TEMPORAL CHANGE OF LAND USE IN ELMALI BASIN USING REMOTE SENSING AND GEOGRAPHIC INFORMATION SYSTEMS

2021 ◽  
Vol XLVI-4/W5-2021 ◽  
pp. 373-378
Author(s):  
H. Menteşe ◽  
A. Eymen
Keyword(s):  
Remote Sensing ◽  
Land Use ◽  
Information Systems ◽  
Geographical Information Systems ◽  
Temporal Change ◽  
Geographical Information ◽  
Support Vector ◽  
Landsat 8 ◽  
Marmara Region ◽  
Gis And Remote Sensing

Abstract. The sustainable use of water and soil, which are indispensable for living things, is closely related to the concept of land use. While land use is becoming gradually modern as a necessity of the age, urbanization and industrialization are also gaining great importance. So much so that, in Turkey, where agriculture-based economy was emphasized until the 1980s, interest in exports of industrial products has increased in recent years and industrial investments especially in the Marmara region have increased considerably. This situation has increased job opportunities due to the industrialization developing in the region and has led to an increase in the population in parallel. The structure process has accelerated in order to meet the needs of the increasing population.Basin areas, which contain a wide variety of classes, are among the regions that are highly affected by these changes. Within the scope of the study, Elmalı Basin, which is used to supply potable and utility water to the province of Istanbul, was chosen as the study area. Within the scope of the research, the temporal change of the land use in Elmalı Basin has been investigated by using Landsat-8 satellite with a spatial resolution of 30 meters for the years 2013, 2015, 2018 and 2020 taking advantage of Geographical Information Systems (GIS) and Remote Sensing (RS) technologies. Classification was made with support vector machines, one of the controlled classification methods on satellite images, and the changes in land use were evaluated by comparing the images of working years.

scholarly journals EXAMINE OF THE IMPACT OF LAND USE ON WATER BASINS USING GEOGRAPHICAL INFORMATION SYSTEMS AND REMOTE SENSING: TERKOS BASIN EXAMPLE

2021 ◽  
Vol XLVI-4/W5-2021 ◽  
pp. 15-20
Author(s):  
S. Ahi ◽  
A. Eymen
Keyword(s):  
Remote Sensing ◽  
Land Use ◽  
Drinking Water ◽  
Information Systems ◽  
Geographical Information Systems ◽  
Satellite Images ◽  
Geographical Information ◽  
Landsat 8 ◽  
Gis And Remote Sensing ◽  
The Impact

Abstract. Development movements bring along population movements. Investments in Istanbul make the city of Istanbul even more attractive. With the increasing population, the need for water is increasing day by day. Construction of the 3rd Istanbul Airport within the borders of Terkos Basin, which is one of the important drinking water resources of Istanbul, has caused land use changes in the basin. Geographical Information Systems (GIS) and Remote Sensing techniques have been used to examine this change. The data obtained through Remote Sensing can be easily analyzed in GIS environment.In this study, Landsat 8 satellite images of the years 2013, 2015 and 2020 were preferred in the examination of the temporal change of land use of the Terkos Basin. The satellite images obtained were classified using the controlled classification technique in the Envi program. Satellite images classified for the creation and analysis of land use maps have been transferred to the ArcGIS program. The changes in the classes determined according to the obtained results were examined, and the changes in question were revealed by spatial analysis. Suggestions have been made for the protection of the Terkos drinking water basin and ecosystem, which is extremely important for Istanbul.

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