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Wyszukujesz frazę "environmental geophysics" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Pollution Determined by Using Magnetic Susceptibility Measurements: A Case Study from İzmir-Aliağa
Autorzy:
Kamaci, Z.
Uysal, G.
Powiązania:
https://bibliotekanauki.pl/articles/1031417.pdf
Data publikacji:
2017-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
environmental geophysics
pollution
magnetic susceptibility
Opis:
Wherever industrial development exists, environmental pollution increases day by day. The heavy metals play an important role in soil and environmental pollutions and directly affect the human being lives. In this study, we determine pollutions resulting from heavy metal particles emanating from the brake discs pads of the vehicles on high ways and nearby factories. The field work was carried out in İzmir-Aliağa industrial area. Magnetic susceptibility measurements were done at a long profile crossing the İzmir-Çanakkale highway that goes through the study area. Here, we have determined the effect of heavy metals causing pollution in the surroundings. The studies indicate that the average acceptable values of magnetic susceptibility in such areas is about 0-50×10¯⁵ SI. Here we show that the magnetic susceptibility measurement values obtained along our study profile are about 18 times the acceptable ranges.
Źródło:
Acta Physica Polonica A; 2017, 132, 3; 487-489
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Graph representation of geological stratum
Autorzy:
Lisowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/184746.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
environmental protection
geophysics
earth science
Opis:
Geology, geophysics and environmental protection sciences provide large amounts of data. These data can be stored in various structures. Most of them are stored in files. It is possible to store these data in databases. One example of databases for earth sciences is a Geokarpat database (Kotlarczyk et al. 1997). This database was developed over many years (Piórkowski & Gajda 2009). Other geological databases are, for example, database MIDAS (MIDAS 2015) and central database of the geological data (CBDG 2015). Solutions listed above are based on the relational data model. This model is not perfect for data analysis, as there are a lot of complicated relationships between the entities (Dominguez-Sal et al. 2010). A typical use of SQL in this case requires the creation of multiple joins and a large amount of calculations. Graph data model is gaining popularity because it allows representation similar to the natural network model of relationships between data (Horzyk 2013). Applications of this model within the earth sciences are extensive, including solutions for GIS systems. One of example graph application is the creation of a virtual generator of the city using database Neo4j (Płuciennik & Płuciennik-Psota 2014). Graph structure reproduces biological structure of memory well (Horzyk 2013). Based on this advantage, there are new opportunities to store and analyze geological data. The use of graphs to record those data enables data analyses in similar manner like in associative neural networks (Horzyk 2013). Geological stratum often has a complex structure, for example: around area of tectonic faults (often multiple faults in history), intrusive rocks in stratum. Possibilities of using graph databases for storing geological data were checked. This study focuses on proposing a graph representation of geological stratum. The proposed graph structure was implemented in the graph database. Presentation of the history of geological stratum in relational databases is difficult. Studies show an example of stratum graph model, which enables data mining of stratum history in easy method, because graph database systems are designed to make search queries to find similarity in data. Additionally, the results of this study demonstrated useful query. Moreover, software and possible methods of construction of graph models were studied. As shown by the results, an analysis of complex models of geological stratum can be less complicated. Research shows that finding dependences in the graph representation of the geological layers can be beneficial in geological analyses.
Źródło:
Geology, Geophysics and Environment; 2016, 42, 1; 92-93
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geofizyka w inżynierii i ochronie środowiska
Geophysics in environmental engineering and protection of the environment
Autorzy:
Zuberek, W. M.
Powiązania:
https://bibliotekanauki.pl/articles/183612.pdf
Data publikacji:
2009
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
geofizyka
inżynieria środowiska
ochrona środowiska
katastrofy naturalne
prognoza
geophysics
environmental engineering
environmental protection
natural catastrophes
prediction
Opis:
The main goals of geophysics have been considered in following areas: - prediction and prevention of natural catastrophes and mitigation of their impact, - detection, location and monitoring of contaminated areas and goals related to their reclamation, - goals related to the safety of large and important structures and constructions, - goals related to safe deposition, storage and monitoring of dangerous wastes and toxic materials, - application of geophysical methods and observations to obtain "clean" and renewable energy, - detection, location and dating of archeological materials and monuments of cultural heritage. Due to the great importance of prediction in environmental engineering and protection, its possibilities and limitations have been considered separately.
Źródło:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2009, 35, 2/1; 421-428
0138-0974
Pojawia się w:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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