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Wyświetlanie 1-11 z 11
Tytuł:
The significance of geographic location for the success of territorial secession. African example
Autorzy:
Trzciński, Krzysztof
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029406.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
separatism
secession of territory
geographic location
Opis:
Political and economic factors always play the main role in the secession of territory. Various aspects of geographic location may however facilitate or hinder secession, as well as the effective functioning of the newly emerged state. For Africa, geographic location in secession may be of greater importance than in the case of other continents. This is caused for the most part by the fact that African states are some of the poorest in the world and are often unable to effectively counteract secession through military means. The lack of well-formed democratic state institutions in turn impedes the peaceful resolution of problems constituting the basis of secessionist tendencies. These are precisely the conditions under which geographic location plays a more critical role.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 207-216
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The problem of cartographic representation in relation to the Polish cultural landscape
Autorzy:
Opach, Tomasz
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029431.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
landscape
cultural landscape
cultural heritage
Opis:
The problem of representing the Polish cultural landscape consists of two components. The first component is the choice of content. Wishing to define the breadth of the content of a cultural landscape map, one needs to remember that it is composed of two facets. The first facet, the material result of human activity, is easily discernable in the field and easily illustrated on a map. Elements included in this facet are: sacred and secular historical structures, the spatial layout of cities, archeological sites etc. The second facet of cultural landscape needs to be considered in immaterial terms. It is difficult to illustrate on a map, because its elements do not lend themselves to being topographically situated. One could mention, for example, religions, customs and traditions, a common historical past etc. Most often, one can only indirectly speculate about this facet of the cultural landscape, on the basis of the material characteristics of the cultural landscape. The second problem related to presenting cultural landscape on a map is the choice of graphic form for the map. The problem is to a large extent tied to difficulties stemming from the necessity of maintaining semantic correctness (the relation between “symbol” and “object”). In practice, during the graphic editing of a map representing the cultural landscape, one should remember to: a) choose a scale suitable for the representation, upon which depend the degree of detail and the generalization of the content; b) correctly depict the variation boundaries, taking into account sharp and fuzzy boundaries; c) make a well-designed symbol key.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 301-310
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The size of the basic unit in geographical analysis
Autorzy:
Suchożebrski, Jarosław
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029388.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
quasi-homogenous units
semivariance
nearest-neighbor method
Opis:
In geographical analysis such as mathematical classification and modeling, the study area is divided into a network of basic (quasi-homogenous) units. A technique often used in the delimitation of the basic unit to be analyzed is the division of the study area into a network of uniform geometrical figures (block-centered grid). This article presents two objective methods for dividing the surface area of the study region into a network of basic units. The geometric method makes it possible to determine the optimal size of the basic unit, relative to the surface area being analyzed. This method may be used in analysis conducted on a regional scale, in which case the analysis and the results are characterized by a greater degree of generalization. Geostatistical methods (semivariance analysis and nearest-neighbor analysis) make it possible to determine the size of the cell in the grid of quasi-homogenous units, based on the spatial variation of elements in the natural environment and on the placement of data points. These methods can be recommended for the analysis of small areas (e.g. small drainage areas), when highly detailed data and results are required.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 151-160
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The climatic background of agricultural production in Poland (1951 - 2000)
Autorzy:
Żmudzka, Elwira
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029390.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
air temperature
atmospheric precipitation
variability
crop production
Polska
Opis:
This article presents the results of studies conducted on the variability of thermal and precipitation conditions in Poland in the second half of the 20th century, especially taking into consideration periods which were unfavorable for agricultural production. Averaged spatial temperatures and precipitation totals from consecutive years 1951 to 2000 were used. A significant increase in spring temperatures was noted, while the winters also became warmer. This had a significant effect upon the change of the thermal vegetation period's duration. No changing trends were noted with regard to the amount of precipitation.The analysis of the seasonal structure during the anomalous years, with regard to temperature and the amount of precipitation, made it possible to pinpoint years particularly unfavorable for agricultural production. There was a certain repeatability of unfavorable conditions, tied to the existence of a relatively stable 8-year cycle of temperature change, which was especially noticeable during the wintertime. During the last two decades of the 20th century, high temperature values, occurring also in the summertime, in combination with insufficient precipitation, contributed to the occurrence of dry spells and even periods of drought. The occurrence of dry spells during the vegetation period and the extreme shortening of the vegetation period have a significant effect upon the amount of grain crop production.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 127-137
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The development of tourism in protected areas and the exploitation of the natural environment by local communities in Africa and Asia
Autorzy:
Dudek, Anna
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029412.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
national park
tourism
natural environment exploitation
local communities
Comoé National Park
Salonga National Park
Amboseli National Park
Volcanoes National Park
Khao Yai National Park
Mgahinga National Park
Opis:
From an economic point of view, protected areas do not bring in high profits, in comparison to other possible ways of land usage. National parks and nature reserves are costly in their creation, as well as in their subsequent upkeep and management. In developing countries, their operation can be the source of many political and economic problems. Usually, local communities neighboring protected areas perceive the existence of a protected zone negatively, although they are often able to avail themselves of park resources in various ways. Besides being given the opportunity to rationally make use of certain park resources, community members may be employed as park attendants, which is a practice that is widespread. A part of the profits obtained from the developing tourist industry may be allocated towards local development programs, e.g. the building of a new hospital or school. Some national parks, while lacking the adequate infrastructure necessary for tourism, grapple with a lack of funds. The lack of earning opportunities in connection with the development of tourism results in the local community's over-exploitation of park resources. This often manifests itself in an increased incidence of poaching in the protected area.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 263-269
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concept of the new topographic map of Poland at the scale of 1 : 50 000
Autorzy:
Ostrowski, Wiesław
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029432.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
topographic map
Polska
Opis:
The factual and technical foundations of the concept for the 1:50 000 topographic map published in Poland between 1995 and 2002 by the Head Office of Geodesy and Cartography are discussed in this article. While discussing content and graphic design, the author gives particular attention to the novel way of representing built-up areas.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 291-300
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Types of topographic map generalization: the example of the 1: 50 000 map
Autorzy:
Ostrowski, Wiesław
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029435.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
topographic map
map generalization
Opis:
The author first discusses the various ways of classifying cartographic generalization techniques, and then analyzes the course of the generalization process during the creation of a 1:50 000 topographic map on the basis of a 1:10 000 map. Using this analysis as a foundation, the author identifies, discusses and illustrates with examples the five types of cartographic generalization.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 281-290
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geoinformatics - an integrated spatial research tool
Autorzy:
Olędzki, Jan Romuald
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029427.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
geoinformatics
remote sensing
geography
Opis:
The structure of geoinformatics can be understood in many ways, what can be seen from the more or the less complex schemas published in various articles. Geoinformatics creates new possibilities for the precise analysis of spatial phenomena, such as for following their dynamics or defining the associations existing between their components. The use of remote sensing data in such research, takes to another level those areas of knowledge, in which there nevertheless still is a scarcity of reliable materials. It also enables the current monitoring of those phenomena which can't be investigated and estimated in any other way, as well as the modeling of spatial (geographical) phenomena. Since 1996, many studies have been performed at the Laboratory of Remote Sensing of the Environment at the University of Warsaw, in which remote sensing data were integrated with data obtained by other means.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 323-331
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The remote sensing method of forest fire danger rating categorization
Autorzy:
Mycke-Dominko, Małgorzata
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029439.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
forest fire danger rating classification
remote sensing as used in research
Opis:
The article presents the use of satellite images in the determination of forest fire danger rating categories. The assessment was carried out based on images from the LANDSAT TM, IKONOS and NOAA satellites, with the finding that the LANDSAT TM images are the most useful. A new solution proposed is to make forest fire danger rating categories refer to forest ranger sub-districts, what gives the forest service greater control over forest fire prevention activities. Forest fire danger assessment was done taking into account remote sensing indices such as the NDVI, TNDVI, and IHT, as well by the analysis of the spatial distribution and the number of fires in the previous six years. In accordance with the Polish State Forest Classification System, three classes were specified: 1 - high fire danger, 2 - moderate fire danger, 3 - low fire danger.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 359-362
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wall-sided glaciers
Autorzy:
Lewandowski, Wojciech
Zgorzelski, Marek
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029395.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
geoecology
high mountains
wall-sided glaciers
Opis:
In the literature devoted to geomorphology and glaciology not much has been written about wall-sided glaciers, thanks to which high mountains have their specific landscape character. It is also difficult to find in the literature of the subject a classification of the wallsided glacier forms which would take into account the richness and variety of this phenomenon. After many years of experience in almost all highest mountains of Asia, South America and Europe, the authors decided to fill this gap and therefore to provoke a discussion among the geomorphologists.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 75-80
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examples of object-oriented classification performed on high-resolution satellite images
Autorzy:
Lewiński, Stanisław
Zaremski, Karol
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029415.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
object-oriented classification
land use
satellite images
eCognition
Opis:
Information about the types of land cover and its use is obtained by the visual interpretation of the color composite of satellite images or by the use of automatic classification algorithms. For obvious reasons, the automatic classification methods make it possible to obtain information quicker and much faster than the traditional interpretation method. The commonly used automatic methods of satellite image classification, based on supervised or unsupervised classification algorithms, are the most accurate when used with low resolution images. In the case of images with 1-meter-sized pixels, showing a diversity of land cover forms, it is not possible to obtain satisfactory results. New classification techniques, based on object-oriented classification algorithms, have been developing for a couple of years now. In contrast to the traditional methods, the new operating procedure does not involve the classification of single pixels, but of entire objects, into which the content of the satellite image is divided. Aside from the spectral values of the pixels, the shape of the objects created by the pixels and the relationships between the objects, are also considered during the analysis. Similar to visual interpretation, variation in the texture of the image can also be taken into account in this case. The aim of this article is to present the possibility of using high density satellite images in object-oriented classification. The classification presented is that of a high-rise built area in Wrocław and of bridges on the Vistula River in Warsaw.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 349-358
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-11 z 11

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