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Wyszukujesz frazę "GIS;" wg kryterium: Temat


Tytuł:
Spatial Analysis Of Foreign Migration In Poland In 2012 Using Geographically Weighted Regression
Autorzy:
Lewandowska-Gwarda, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/633107.pdf
Data publikacji:
2014-12-01
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
emigration,immigration
spatial analysis
GIS
GWR
Opis:
Migration has a principal influence on countries’ population changes. Thus, the issues connected with the causes, effects and directions of people’s movements are a common topic of political and academic discussions. The aim of this paper is to analyse the spatial distribution of officially registered foreign migration in Poland in 2012. GIS tools are implemented for data visualization and statistical analysis. Geographically weighted regression (GWR) is used to estimate the impact of unemployment, wages and other socioeconomic variables on the foreign emigration and immigration measure. GWR provides spatially varying estimates of model parameters that can be presented on a map, giving a useful graphical representation of spatially varying relationships.
Źródło:
Comparative Economic Research. Central and Eastern Europe; 2014, 17, 4; 137-154
1508-2008
2082-6737
Pojawia się w:
Comparative Economic Research. Central and Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Neolithic chocolate flint mine “Oszybka” in Pakosław, Mazowieckie voivodeship, in the light of the survey of Marcin Bednarz – new approach to old fieldwalk materials
Neolityczna kopalnia krzemienia czekoladowego „Oszybka” w Pakosławiu w województwie mazowieckim w świetle badań Marcina Bednarza – nowe spojrzenie na stare materiały terenowe
Autorzy:
Szubski, Michał
Budziszewski, Janusz
Jakubczak, Michał
Iwański, Mateusz
Powiązania:
https://bibliotekanauki.pl/articles/584882.pdf
Data publikacji:
2017
Wydawca:
Łódzkie Towarzystwo Naukowe
Tematy:
kopalnie krzemienia
badania powierzchniowe
GIS
analizy przestrzenne
Marcin Bednarz
Flint mining
fieldwalk survey
GIS application
spatial analysis
Opis:
Kopalnia “Oszybka” w Pakosławiu województwo mazowieckie została odkryta w 1992 roku przez Marcina Bednarza w czasie badań powierzchniowych realizowanych przez studentów z Instytutu Archeologii Uniwersytetu Warszawskiego. W kolejnych trzech sezonach badawczych pozyskano około 1750 przedmiotów krzemiennych. Ten duży zbiór zawierał nie nie tylko charakterystyczne rdzenie, ale także produkty debitażu. Wstepne analizy materiału wskazywały na chronologię związaną z późnym mezolitm lub wczesnym neolitem. Po latach zespół archeologów z Instytutu Archeologii z Uniwersytetu Kardynała Stefana Wyszyńskiego z Warszawy powrócił do studiów nad tymi materiałami. Dzięki szczegółowej dokumentacji z lat 90-tych była możliwa digitalizacja i implementacja wyników do środowiska GIS. Rezultem tej procedury była możliwość analizy przestrzennej materiałów krzemiennych połączona ze studiami technologicznymi i typologicznymi.
The flint mine “Oszybka” in Pakosław, Mazowieckie voievodeship was discovered by Marcin Bednarz in 1992 during a field survey on an outcrop of chocolate flint conducted by students practice from Institute of Archaeology University of Warsaw. During the next three seasons about 1750 flint artifacts were collected from the site. This large assemblage contains not only the characteristic forms like cores but also debitage products. Initial research made it possible to determine the chronology of site as belonging to late Mesolithic and/or early Neolithic. Further studies were sadly interrupted by the premature death of Marcin Bednarz. After some years, according to Marcin wishes, team from the Institute of Archaeology Cardinal Stefan Wyszyński University in Warsaw returned to the studies of flint materials from the “Oszybka” flint mine. Thanks to very detailed documentation from the 90s of the last century has become possible to digitalize and integrate it into a GIS environment. As a result, we acquired many spatial analysis of flint materials and combined them with research in terms of technology and typology.
Źródło:
Acta Archaeologica Lodziensia; 2017, 63; 113-120
0065-0986
2451-0300
Pojawia się w:
Acta Archaeologica Lodziensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fire occurrence mapping for providing the risk analyses and fire investigation purposes
Autorzy:
Galla, Štefan
Nejedlý, Alexander
Celleng, Stanislav
Miškovičová, Veronika
Majlingová, Andrea
Powiązania:
https://bibliotekanauki.pl/articles/1878636.pdf
Data publikacji:
2014
Wydawca:
Wyższa Szkoła Bezpieczeństwa Publicznego i Indywidualnego Apeiron w Krakowie
Tematy:
Fire
fire risk
fire investigation
GIS
spatial analysis
Opis:
In the paper, there are introduced the results of analysis of fire occurrence data and a map of spatial distribution of fire occurrence in the territory of Presov region in period 2004 - 2013. To provide the analysis was necessary to build a fire geodatabase, which contained the data that are collected at the Fire Research Institute since 1996. To visualize the data on fire occurrence we used the cartogram built in the ArcGIS environment. The results of such analysis are necessary as for providing the fire risk analyses as for fire investigation purposes.
Źródło:
Security Dimensions; 2014, 11(11); 32-42
2353-7000
Pojawia się w:
Security Dimensions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research and applications of artificial neural networks in spatial analysis: Review
Autorzy:
Garczyńska, Ilona
Powiązania:
https://bibliotekanauki.pl/articles/29521035.pdf
Data publikacji:
2023
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
spatial analysis
GIS
artificial neural network
artificial intelligence
geosciences
Opis:
The conducted review presents the possibility of using artificial neural networks in sectors related to environmental protection, agriculture, forestry, land uses, groundwater and bathymetric. Today there is a lot of research in these areas with different research methodologies. The result is the improvement of decision-making processes, design, and prediction of certain events that, with appropriate intervention, can prevent severe consequences for society. The review shows the capabilities to optimize and automate the processes of modeling urban and land dynamics. It examines the forecasts of assessment of the damage caused by natural phenomena. Detection of environmental changes via the analysis of certain time intervals and classification of objects on the basis of different images is presented. The practical aspects of this work include the ability to choose the correct artificial neural network model depending on the complexity of the problem. This factor is a novel element since previously reviewed articles did not encounter a study of the correlation between the chosen model or algorithm, depending on the use case or area of the problem. This article seeks to outline the reason for the interest in artificial intelligence. Its purpose is to find answers to the following questions: How can artificial neural networks be used for spatial analysis? What does the implementation of detailed algorithms depend on? It is proved that an artificial intelligence approach can be an effective and powerful tool in various domains where spatial aspects are important.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2023, 74 (146); 35-45
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wykorzystanie technologii GIS do wyznaczania stref zagrożenia hałasem komunikacyjnym
Evaluation of traffic noise buffer zones delimitation using GIS technology
Autorzy:
Popławska, K.
Fijałkowska, A.
Osińska-Skotak, K.
Powiązania:
https://bibliotekanauki.pl/articles/129745.pdf
Data publikacji:
2012
Wydawca:
Stowarzyszenie Geodetów Polskich
Tematy:
hałas komunikacyjny
analiza przestrzenna
GIS
traffic noise
spatial analysis
Opis:
Hałas komunikacyjny stanowi w dzisiejszych czasach poważny problem, zwłaszcza na terenach intensywnie zurbanizowanych, o znacznym udziale zabudowy mieszkalnej jednio wielorodzinnej. Coraz częściej do tworzenia map akustycznych wykorzystywane są technologie GIS. Niniejszy artykuł prezentuje wyniki badań dotyczących wyznaczenia zasięgów izofon z zastosowaniem narzędzi GIS. Opracowanie zostało wykonane dla wybranych wariantów projektowanego odcinka drogi ekspresowej S-7 przechodzącego przez Gminę Łomianki. Otrzymane wyniki pozwalają na określenie w jakim stopniu obszar Gminy Łomianki narażony jest na hałas komunikacyjny, którego źródłem będzie projektowana droga ekspresowa. Zostały wyznaczone obszary szczególnie narażone na hałas przekraczający normy w porze dnia i w porze nocy.
Traffic noise is a serious problem nowadays, especially in high urbanized areas, with a significant area covered by residential, single-and multi-family buildings. Increasingly, GIS technologies are used for acoustic mapping. This article presents the results of studies regarding the designation of noise isolines using GIS tools. The study was performed for selected variants of the proposed section of the express road S-7 passing by the Łomianki Municipality. The obtained results allow to determine the extent to which part of municipality area is exposed to traffic noise. Designated areas was calculated for time of day and night consecutively.
Źródło:
Archiwum Fotogrametrii, Kartografii i Teledetekcji; 2012, 23; 327-336
2083-2214
2391-9477
Pojawia się w:
Archiwum Fotogrametrii, Kartografii i Teledetekcji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Epidemia cholery w Krakowie w 1866 roku. Analiza demograficzna i przestrzenna
An Epidemic of Cholera in Cracow in 1866. A Demographic and Spatial Analysis
Autorzy:
Wnęk, Konrad
Powiązania:
https://bibliotekanauki.pl/articles/1367688.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
Kraków (Cracow)
cholera
epidemic
demography
spatial analysis
GIS
1866
Opis:
The article presents the causes and effects of the epidemic of cholera that broke out in Cracow in 1866. The presentation is based on archival material collected when the epidemic was raging and when it was over. The basic source are tabular sheets and responses to a questionnaire sent to physicians by the Sanitary Commission just after the epidemic was over in 1867. The notes prepared by Cracow physicians are a splendid source for the research of that kind as they were made shortly after the epidemic. The article also presents a description of how the epidemic was approaching Cracow and its probable route along which it reached the city. The article includes various views on the aetiology of the epidemic and on various methods of curing it. In the article there is an analysis of the mortality rate according to sexes, faith and the place of treatment. The epidemic has been depicted as it was evolving in time and space; in order to make the depiction the author has used some geostatistical methods, including the method of hierarchical clustering. The incidence of cholera and its mortality rate have been presented on two maps, on which the clusters have been marked too. According to the research, in the case of Roman Catholics the disease attacked mainly the poor and malnourished social groups, who lived in poor housing conditions or were homeless. In the Jews the disease attacked various social groups, not only the poorest. The ability to survive has been analysed in two religious groups of Cracow: the Roman Catholics and the Jews. The results have not confirmed the statistical higher resistance of the Jews to cholera, which might have been suggested by the first data of the graph. In another part of the article Cox regression has been used to verify which factor was responsible for a higher mortality caused by cholera. The method of backward (stepwise) approach has not confirmed that such factors as sex, social class, faith or place of treatment influenced the probability of death. Among those factors the most doubtful one is the place of treatment, i.e. a hospital or a dwelling place, which has been rejected in the last step of the analysis. It may be the result of the fact that the sample was not big enough. The epidemic of 1866 was relatively mild, and the city council was well prepared; it was also important that there were many highly-qualified physicians engaged in the battle against the epidemic and access to medicines was not difficult.
Źródło:
Przeszłość Demograficzna Polski; 2015, 37, 3; 93-117
0079-7189
2719-4345
Pojawia się w:
Przeszłość Demograficzna Polski
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of Geographic Information Systems in analysing the selection of cichociemni drop zones based on a case study of the “Mewa 1” drop zone
Autorzy:
Polończyk, Agnieszka
Lupa, Michał
Leśniak, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/29433669.pdf
Data publikacji:
2024-01-20
Wydawca:
Oddział Kartograficzny Polskiego Towarzystwa Geograficznego
Tematy:
historical GIS
cichociemni
World War II
drop zones
spatial analysis
Opis:
The article discusses the possible use of GIS tools in detailed spatial analysis of materials and old maps showing the activities of Polish soldiers during World War II. The research was based on information regarding the military operations of the “Silent and Unseen” paratroopers (in Polish: cichociemni) in the General Government (GG), available in the archives of the Polish Underground Movement Study Trust (in Polish: Studium Polski Podziemnej) in London, as well as on prewar maps of the Polish Military Geographical Institute (in Polish: Wojskowy Instytut Geograficzny – WIG). The authors present the historical background to, and important details of the cichociemni airdrops. They also describe how these operations were organised and suitable airdrop sites selected. The main part of the article is devoted to an analysis and assessment of the extent to which selected drop sites of the cichociemni complied with the criteria contained in the instructions of the Staff of the Commander-in-Chief in London (in Polish: Sztab Naczelnego Wodza w Londynie). The article presents a case study of the “Mewa 1” drop zone located in the GG. The authors used calibrated WIG maps, which they then converted into vector versions. They also made use of modern DTM and a slope map created on its basis. All the criteria for selecting drop zones included in the historical instructions were analysed. Based on the example of the drop zone in question, as well as on the authors’ own spatial analyses, it was concluded that this particular drop zone met some of the criteria formulated in the guidelines of the Commander-in-Chief’s Staff, but only partially met others or failed to meet them at all. In addition, the authors noted a number of limitations regarding these criteria. For example, they did not take into account the locations of the occupiers’ garrisons or anti-aircraft positions, which are particularly important for the success of airdrop operations. The analyses and the results thereof constitute the first study of the armed operations of the cichociemni in GG areas using digital maps and spatial analyses based on GIS.
Źródło:
Polish Cartographical Review; 2023, 55, 1; 87-110
2450-6974
Pojawia się w:
Polish Cartographical Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Minimizing carbon footprint of biomass energy supply chain in the Province of Florence
Autorzy:
Bernetti, Iacopo
Ciampi, Christian
Sacchelli, Sandro
Powiązania:
https://bibliotekanauki.pl/articles/453069.pdf
Data publikacji:
2010
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
carbon footprint
biomass
MILP
fuzzy MADM
regionalization
spatial analysis
GIS
Opis:
The paper presents an approach for optimal planning of biomass energy system based on carbon footprint minimization. A geographical spatial demand driven approach is applied to assess the feasible ways for transferring energy from renewable sources to district heating plants in the Province of Florence (Italy). The proposed approach has been developed on three levels. In the first one, the Province of Florence is partitioned into a number of Regional Energy Cluster (REC) using a multidimensional algorithm of regionalization called SKATER. The variables used in SKATER model are related in order to realize sustainable policy for forest and agriculture biomass productions. In the second step a geographical fuzzy multiple attribute decision making model was applied to the selection of biomass district heating localization. Finally, in the third step a georeferenced Mixed Integer Linear Programming model based on resourcesupply- demand structure for carbon-minimization energy planning has been applied.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2010, 11, 1; 24-36
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spatial Analysis Methods of Raster Data Used into the Geographical Information Systems
Metody analizy przestrzennej danych rastrowych stosowanych w systemach informacji geograficznej
Autorzy:
Herbei, R. C.
Herbei, M. V.
Matei, A.
Dunca, E. C.
Powiązania:
https://bibliotekanauki.pl/articles/319325.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Przeróbki Kopalin
Tematy:
analiza przestrzenna
komórki
funkcje
GIS
raster
spatial analysis
cells
functions
Opis:
The most important feature of a GIS is its ability to perform spatial analysis, ie to process spatial (geographical) data in order to obtain information (reports) regarding the studied area. Through this feature of spatial analysis the GIS software differs to other software, such as CAD. The spatial analysis is the process of modeling, examination and interpretation of model results. Following the spatial analysis it can be extracted or created new information about a set of geographic data. This paper aims to treat two methods of raster spatial analysis, namely the raster spatial analysis and map algebra functions and the spatial analysis based on some statistical analysis: local, neighborhood, regional and global.
Najważniejszą cechą GIS jest jego zdolność do wykonywania analiz przestrzennych, tj. do przetwarzania danych przestrzennych (geograficznych) w celu uzyskania informacji (raportów) dotyczących badanego obszaru. Dzięki funkcji analizy przestrzennej oprogramowanie GIS różni się od innych oprogramowań takich jak CAD. Analiza przestrzenna jest procesem modelowania, badania i interpretacji wyników modelu. Dzięki analizie przestrzennej można wyodrębnić lub utworzyć nową informację o zbiorze danych geograficznych. Artykuł ma na celu przedstawienie dwóch metod analizy przestrzennej rastrowej, a mianowicie przestrzennej analizy rastrowej i funkcji algebry mapy oraz analizy przestrzenne na podstawie analizy statystycznej: lokalne, sąsiedzkie, regionalne i globalne.
Źródło:
Inżynieria Mineralna; 2018, R. 19, nr 1, 1; 151-158
1640-4920
Pojawia się w:
Inżynieria Mineralna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploratory data analysis of environmental governance at local level in the south-west region of Poland
Autorzy:
Wiatkowska, Barbara
Powiązania:
https://bibliotekanauki.pl/articles/434785.pdf
Data publikacji:
2018
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
environmental order
sustainable development
exploratory data analysis
spatial analysis
GIS
Opis:
Conducting integrated measures within the framework of sustainable development requires an objective identification of the needs for their implementation based on the results of multifaceted analyses of many complex, interrelated factors reflecting the state of the natural environment and the economic and demographic situation. The increasing functionality of Geographic Information Systems (GIS), has made GIS databases a tool supporting the implementation of sustainable development activities. The aim of the study was to recognise the spatial variability of the level of environmental governance in the south-west region of Poland. Methods of research on multidimensional data mining techniques and geo-spatial analyses were applied, resulting in a theoretical model describing the regularities in the relationships between the analysed indicators of environmental governance. The level of environmental governance was most strongly determined by indicators concerning climate change and biodiversity.
Źródło:
Biblioteka Regionalisty; 2018, 18; 62-78
2081-4461
Pojawia się w:
Biblioteka Regionalisty
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spatial distribution and challenges in accessing HIV drugs centers in Oyo, Nigeria
Autorzy:
Aigbedion, Imuwahen P.
Ibe, Philip I.
Okareh, Oladapo T.
Okoli, Frank U.
Powiązania:
https://bibliotekanauki.pl/articles/1076736.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Antiretroviral Therapy
GIS
database creation
database design
maps
queries
spatial analysis
Opis:
There is no complete cure for HIV infection, but highly active antiretroviral therapy (HAART) has been applied to reduce the morbidity and mortality of HIV worldwide. Still, the ease of accessing these medications poses a serious concern. This work was carried out to understand the effectiveness and efficiency of area coverage of HIV drug centers. Google Earth Pro was employed to capture imagery of the study area and GPS instrumentation was used to pick the coordinates of the HCT and HIV Drugs centres within the study area. A questionnaire was then used to collect the attribute information of the facilities that exist. Subsequently, ArcGIS software was applied to import imagery to bring out the spatial entities of the area. Herein, GIS operations like network analysis, nearest neighborhood and Query were accessed. Average Nearest Neighbor Index (Rn) for HIV Drugs centres within Oyo metropolis was then calculated based on average straight line distance from each facility to its nearest neighboring facility. Herein, the Rn was 28.8. The Rn value indicates that spatial pattern of HIV Drugs centres in Oyo metropolis are dispersed. The Z-score (74.813624) and P-value (0.00000) reveals that the pattern of HIV Drugs centres in Oyo metropolis also exhibits significant dispersion. This means that the pattern of HIV Drugs centre location in the study area was significantly different from a random pattern. Network operation was then applied to determine best route from one HCT centre to HIV Drugs centre and to find if alternative routes were possible. The study shows that the spatial distribution of HIV Drugs centres is uneven - with 35 existing HCT (HIV Counselling and Testing) centres in 3 local governments, as well as 2 HIV Drugs centres. The service area calculation result shows other areas are in need of HIV Drugs.
Źródło:
World News of Natural Sciences; 2019, 24; 268-286
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analizy przestrzenne dla potrzeb geoinformatycznego systemu ochrony portu morskiego
Spatial analyses for the needs of geoinformation sea port protection system
Autorzy:
Kazimierski, W.
Powiązania:
https://bibliotekanauki.pl/articles/345954.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Informacji Przestrzennej
Tematy:
analiza przestrzenna
ochrona portu
systemy geoinformatyczne
spatial analysis
port security
GIS
Opis:
Geoinformatyczny system ochrony portu morskiego ma na celu zabezpieczenie działań operacyjnych poprzez monitorowanie parametrów życiowych pracowników ochrony, przebywających zarówno na jednostkach pływających, jak również chroniących port od strony lądu oraz wizualizację tych danych w oparciu o precyzyjne elektroniczne mapy dwu i trójwymiarowe. Demonstracyjne wdrożenie będzie miało miejsce w porcie drobnicowym w Szczecinie. Budowany system składa się z modułów, które wzajemnie się uzupełniając, tworzą kompleksowe rozwiązanie do przetwarzania danych geoprzestrzennych. Sercem systemu jest moduł mapowy, który składa się z wysokiej jakości elektronicznych map 2D i 3D. Moduł oprócz danych zawiera także narzędzia informatyczne do analiz przestrzennych. Założenia systemu przewidują, że analizy te będą prowadzone na mapie dwuwymiarowej, a trójwymiarowa będzie służyć głównie do fotorealistyczej wizualizacji. Obiektem analiz będą dane wektorowe, zaś dane rastrowe są obecne w systemie jedynie poglądowo. Celem prowadzonych analiz ma być dostarczenie operatorowi informacji na temat aktualnych zagrożeń oraz sytuacji bezpieczeństwa. Wśród analiz wykorzystywanych w systemie wyróżnić można: buforowanie i analizy odległościowe; selekcja obiektów; analizy widoczności; analizy sieciowe. Buforowanie w systemie oznacza przede wszystkim wykreślanie strefy zagrożenia wokół ładunków niebezpiecznych, a także wokół zdarzeń niebezpiecznych Selekcja obiektów w systemie jest realizowana zarówno jako selekcja atrybutowa, lokalizacyjna, jak też jako złożenie obu. Analiza zasięgu widoczności kamer jest realizowana statycznie na podstawie teoretycznych zasięgów oraz dynamicznie na podstawie aktualnych wskazań sensorów widoczności. Wśród analiz sieciowych wyróżnić należy przede wszystkim planowanie trasy dojazdu patrolu (zwykle odległościowo- optymalnej), jak również analizę czasu dojazdu patrolu do konkretnego miejsca. W części wstępnej artykułu przedstawiono założenia budowy systemu, jego architekturę, a także główne funkcje, które ma spełniać. Następnie opisano poszczególne analizy przestrzenne, pokazując zasadność ich wprowadzenia, założenia realizacji oraz wybrane wyniki w postaci zrzutów ekranu wdrażanego systemu.
The main goal of the system under consideration is to improve port security operations by monitoring security guards, both ashore and on boats and visualising these data on precise two-dimensional and three-dimensional charts. Test implementation of the system will take place in general cargo port of Szczecin. The system consists of a few modules supplementing each other and creating a comprehensive solution for spatial data processing. The heart of the system is the map module, which includes high quality 2D and 3D electronic charts, based on Electronic Navigational Charts. Apart from the data, this module provides also information tools for spatial analysis. The system assumptions indicate that such analysis will be performed only on 2D chart, while 3D remains a tool for effective photorealistic visualisation. The analysis will be performed with the use of vector data; raster data will be used only for background overview. The aim of the provided analysis is to supply operator with information about hazards and security treatment in real time. The major analyses used in the system are: buffering and distance analysis; selection of objects; viewshed analysis; network analysis. Buffering in this case means mostly drawing a safety zone around hazardous cargo and around places of dangers. Selection of objects is implemented both as selection by attributes and selection by location and integration of both of them. Viewshed analysis is in fact determination of visibility range for visual sensors, based on measurements of visibility, taking into account the time of day. Network analyses are mostly for route planning (including time calculation for adjusted speed) for water and land patrols. In the first part of the paper, the concept of the system is presented together with its architecture, major functions and users. Then, individual analyses are presented, showing the need of their introduction, basics of the algorithms and selected results in the form of screenshots of the implemented system.
Źródło:
Roczniki Geomatyki; 2012, 10, 7; 33-43
1731-5522
2449-8963
Pojawia się w:
Roczniki Geomatyki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis and visualisation of lake disappearance process in Iława Lakeland Landscape Park
Autorzy:
Marynowska, Weronika Cecylia
Powiązania:
https://bibliotekanauki.pl/articles/1051551.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
lake disappearance
Geographic Information Systems (GIS)
spatial analysis
Iława Lakeland Landscape Park
Opis:
Lake disappearance as a natural stage of evolution of lakes is an extremely important issue in the landscape and ecosystem research context. Studies of the changes that occur in the lake landscape, characteristic in the northern part of Poland, are aimed at defining the cause and forecasting the results. The possibilities of the Geographic Information Systems (GIS) were used in this paper to analyse and visualise the process of lake disappearance in the Iława Lakeland Landscape Park. GIS technologies which primarily are used for gathering, storing, processing and presenting spatial data have been used to interpret changes in lakes coverage over a period of 100 years. The analysis were based on data bases and cartographic former maps such as hydrographic maps, attribute data and bathymetric plans. The data was gathered by transfer from different geoportals, next vectorised, and then preprocessed. Former maps were rectified. The lake disappearance process was presented in several forms: lake cards, animations and interactive map. Basing on the GIS analysis about lake disappearance in Iława Lakeland Landscape Park it was possible to state that lakes are disappearing in rate of 3.99 ha a−1.
Źródło:
Quaestiones Geographicae; 2018, 37, 1; 115-124
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Female unemployment and its determinants in Poland in 2016 from the spatial perspective
Autorzy:
Lewandowska-Gwarda, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/18807225.pdf
Data publikacji:
2018
Wydawca:
Instytut Badań Gospodarczych
Tematy:
female unemployment in Poland
NUTS 4 (LAU 1)
spatial analysis
GIS
GWR
Opis:
Research background: Through the cultural progress and socio-economic development in Poland women have obtained the same rights as men in the labour market. Nevertheless, they continuously face discrimination and the difficulty, resulting from their traditional role, in finding or maintaining employment. Purpose of the article: The main objective of this study was an analysis of female unemployment and its determinants in Poland in 2016 from the spatial perspective. The following research questions were also specified: Is female unemployment dependent on social factors (do they play the key role)? Are the factors determining the level of female unemployment spatially diversified? Is the GWR model an effective tool in analysis of female unemployment? Methods: The research applied GIS and spatial analysis methods including Geographically Weighted Regression, which enables the identification of the variability of regression coefficients in the geographical space. The analysis was carried out based on statistical data presenting the share of unemployed women in the working age population for 380 Polish districts (NUTS 4, LAU 1) in 2016. Findings & Value added: The research results showed that in the period 2003-2016 the female unemployment was getting lower, but it was still higher than men. It was also spatially diversified. Moreover, the determinants of female unemployment were diverse in the geographic space and did not have a significant impact on the variable in all spatial units. The existence of clusters of districts, characterised by similar interactions and its strength, was also confirmed. The results of this analysis proved that non-economic (social) factors largely affected the level of female unemployment in Poland in 2016. Using GWR enabled drawing detailed conclusions concerning the determinants of female unemployment in Poland, it proved to be an effective tool for the analysis of this phenomenon.
Źródło:
Oeconomia Copernicana; 2018, 9, 2; 183-204
2083-1277
Pojawia się w:
Oeconomia Copernicana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spatial analysis of vegetal cover and sediment yield in Tapacura river catchment based on remote sensing and GIS
Analiza przestrzenna ilosci sedymentu oraz pokrywy roslinnej w zlewni rzeki Tapacura okreslona na podstawie zdalnych obserwacji oraz analizy GIS
Autorzy:
Silva, R M
Santos, C.A.G.
Gico Lima Montenegro, S.M.
Silva, L.P.
Powiązania:
https://bibliotekanauki.pl/articles/81843.pdf
Data publikacji:
2010
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
spatial analysis
vegetation cover
sediment yield
Tapacura River
catchment
remote sensing
GIS analysis
Opis:
Mapping and assessment of erosion risk is an important tool for planning of natural resources management, allowing researchers to propose modifi cation in land-use properly and implement more sustainable management strategies in the long-term. The Tapacurá river catchment, located in Pernambuco State, Northeastern Brazil, is one of the planning units for management of water resources of Recife Metropilitan Region (RMR), and it is divided into 12 sub-basins. The objective of this study is to evaluate the spatial variability of vegetal cover and sediment yield in this basin through remote sensing and GIS techniques. Maps of the erosivity (R), erodibility (K), topographic (LS), cover-management (C) and support practice (P) factors were derived from the digital elevation model (DEM), climate database, and soil and NDVI maps, taking into account information available in the literature. In order to validate the simulation process, Sediment Delivery Ratio (SDR) was estimated. The obtained NDVI map showed vegetation loss during the analyzed period, indicating a distinct contrast between loss and gains of vegetation index. The vegetation and sediment yield mapping showed to be a useful tool for environmental monitoring and management, which can provide satisfactory results when jointly used. The results suggest a mean SDR around 0.9 and estimate the sediment yield as 23.98 ton/ha/month.
Analiza przestrzenna ilości sedymentu oraz pokrywy roślinnej w zlewni rzeki Tapacura określona na podstawie zdalnych obserwacji oraz analizy GIS. Artykuł przedstawia sposób wykorzystania zebranych w terenie danych dotyczących pokrywy roślinnej oraz ilości sedymentu określonego za pomocą zdalnych obserwacji oraz analizy GIS w celu monitorowania środowiska i zarządzania zlewniami. W pracy wykorzystano metodę USLE-SDR, a także cyfrowy model terenu. Badania prowadzono w zlewni rzeki Tapacura w północno-wschodniej Brazylii. Wyniki sugerują przyjęcie wartości parametru SDR = 0,9, a oszacowana wielkość transportu rumowiska wynosi 23,98 t/ha/miesiąc.
Źródło:
Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation; 2010, 42, 1; 5-16
0208-5771
Pojawia się w:
Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
Dostawca treści:
Biblioteka Nauki
Artykuł

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