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Détails du magazine
Format
Magazine
eISSN
2081-6383
Première publication
01 Jun 1974
Période de publication
4 fois par an
Langues
Anglais

Chercher

Volume 31 (2012): Edition 3 (October 2012)

Détails du magazine
Format
Magazine
eISSN
2081-6383
Première publication
01 Jun 1974
Période de publication
4 fois par an
Langues
Anglais

Chercher

9 Articles
Accès libre

Digital aerial images land cover classification based on vegetation indices

Publié en ligne: 21 Oct 2012
Pages: 5 - 23

Résumé

Abstract

. Knowledge of how land cover has changed over time improve assessments of the changes in the future. Wide availability of remote sensed data and relatively low cost of their acquisition make them very attractive data source for Geographical Information Systems (GIS). The main goal of this paper is to prepare, run and evaluate image classification using a block of raw aerial images obtained from Digital Mapping Camera (DMC). Classification was preceded by preparation of raw images. It contained geometric and radiometric correction of every image in block. Initial images processing lead to compensate their brightness differences. It was obtained by calculating two vegetation indices: Normalized Difference Vegetation Index (NDVI) and Green Normalized Vegetation Index (gNDVI). These vegetation indices were the foundation of image classification. PCI Geomatics Geomatica 10.2 and Microimages TNT Mips software platforms were used for this purpose.

Keywords:

  • image classification
  • land cover
  • digital aerial image
  • vegetation index
  • remote sensing.
Accès libre

Heavy thunderstorms on the Polish-German lowlands in the period 1951–2008 and their circulation conditions

Publié en ligne: 21 Oct 2012
Pages: 25 - 32

Résumé

Keywords:

  • heavy thunderstorms
  • atmospheric circulation
  • Polish-German Lowlands
Accès libre

Effect of mowing on the structure of sedge communities in the Chwiszczej river valley (Białowieża forest)

Publié en ligne: 21 Oct 2012
Pages: 33 - 39

Résumé

Key words:

  • mowing
  • sedge communities
  • wetland management
  • Calamagrostis stricta
Accès libre

Preliminary assessment of coastal erosion and local community adaptation in Sayung coastal area, central java – Indonesia

Publié en ligne: 21 Oct 2012
Pages: 47 - 55

Résumé

Abstract

. Dynamic environment in coastal area, especially due to coastal erosion process, has negative impact on human environment. Sayung coastal area, located in Central Java-Indonesia, has experienced severe impact of coastal erosion. As the result of the coastal erosion, hundreds of settlement located in coastal area has been destructed. Moreover, fishponds as the land use dominated in the coastal area also has been severely destroyed. Besides the coastal erosion, increasing of inundated area due to sea level rise also threaten the local community. Although devastating impact suffering the coastal area, the people of Tambaksari, as the part of Sayung area, decided to live and adapt with the coastal erosion. This paper aims to identify the coastal erosion and understand adaptation strategies held by the local community related to reduce the impact of the coastal erosion. Based on this research, various adaptation strategies has been identified, namely (1) Planting mangrove alongside the shoreline, (2) elevating the ground level, (3) building staged house, (4) utilizing deep well for freshwater supply, (5), maintaining social interaction with mainland community, (6) Collecting fish from the mangrove as the food, and (7) changing work into the tourism sector.

Key words:

  • Coastal erosion
  • Community adaptation strategies
  • Sayung coastal area
Accès libre

Problems of geotourism and geodiversity

Publié en ligne: 21 Oct 2012
Pages: 57 - 61

Résumé

Keywords:

  • geoheritage
  • geotourism
  • geodiversity
Accès libre

Natural and human impact on land use change of the Sikkimese-Bhutanese Himalayan Piedmont, India

Publié en ligne: 21 Oct 2012
Pages: 63 - 75

Résumé

Abstract

. Natural and human causes of land use transformation were analysed in the Sikkimese-Bhutanese Himalayan piedmont over last 150 years with special emphasize on period 1930-2010. A hydrologic and geomorphic approach was employed to delineate three study areas along river courses on alluvial fans stretching 10 km from the mountain front. The visual interpretation of topographic maps and satellite images combined with logical rules in GIS were used for determination of stable and dynamic areas from the viewpoint of land use changes. Analysis indicates rapid replacement of natural forest through location of tea plantations, crop cultivation and development of settlement in the late 19th century. The shift from natural to human dominated landscape caused increase land use stability through enlargement of areas with monoculture cultivation of tea and paddy between 1930 and 2010. The natural fluvial activity intensified by human induced deforestation of Himalayan margin and clearance of riparian vegetation along foothill channels became the most important factors of present-day land use changes of piedmont.

Keywords:

  • deforestation
  • tea garden
  • paddy
  • fluvial activity
  • GIS
Accès libre

Health statistics in international databases and their cartographic visualization

Publié en ligne: 21 Oct 2012
Pages: 77 - 88

Résumé

Key words:

  • health statistics
  • statistical databases
  • health cartography
  • cartographic visualization
Accès libre

Some geographical and geological aspects in Johann Forster’s posthumous journals… controversy – HMS resolution memoirs never refined

Publié en ligne: 21 Oct 2012
Pages: 89 - 105

Résumé

Abstract

. The article takes part in the controversy surrounding the scientific heritage of Johann Forster born in Poland, of Scottish ancestry, writing in Latin, German and English. The main medium are Johann’s Journals drafted in English during Cook’s Second Circumnavigation. This article first presents the scientific controversy surrounding the posthumously published Journals…. Then in eleven topic-organised sections it depicts critically the geographical and geographo/geological character of these diaries.

Mots clés

  • 18th c. geography & geology
  • Cook’s Second Voyage memoirs
Accès libre

Stratigraphy of organic-rich deposits in floodplain environments: examples from the upper Odra river basin

Publié en ligne: 21 Oct 2012
Pages: 107 - 117

Résumé

Abstract

. Macrofossil analysis and radiocarbon dating were used to determine the age, composition and succession pattern of organic-rich deposits infilling oxbows and flood basins in the Rivers Kłodnica, Odra and Osobłoga valleys (southern Poland). Both detrital sediments representing the aquatic or terrestrial environments as well as five types of peat accumulated in amphibious or peatland conditions have been identified in cores analyzed. Studies have shown that an accumulation of organic-rich deposits was commonly initiated by terrestrialisation and was typically occurred under eutrophic conditions. In such circumstances, deposit sequences usually begin with aquatic detrital sediment (gyttja), or possibly brown-moss or reed peat. These deposits normally pass into sedge-reed peat and then alder peat. If the accumulation of organic-rich deposits was initiated by paludification, alder peat appears in the lowest sections of the fens. In the upper parts of the sequences, apart from wood peat, organic deposits dominated by sedge remains are also present. The latter were accumulated, probably, as an indirect effect of human activities in the floodplains.

Mots clés

  • macrofossils
  • organic matter
  • detritus deposits
  • peat
  • Holocene
9 Articles
Accès libre

Digital aerial images land cover classification based on vegetation indices

Publié en ligne: 21 Oct 2012
Pages: 5 - 23

Résumé

Abstract

. Knowledge of how land cover has changed over time improve assessments of the changes in the future. Wide availability of remote sensed data and relatively low cost of their acquisition make them very attractive data source for Geographical Information Systems (GIS). The main goal of this paper is to prepare, run and evaluate image classification using a block of raw aerial images obtained from Digital Mapping Camera (DMC). Classification was preceded by preparation of raw images. It contained geometric and radiometric correction of every image in block. Initial images processing lead to compensate their brightness differences. It was obtained by calculating two vegetation indices: Normalized Difference Vegetation Index (NDVI) and Green Normalized Vegetation Index (gNDVI). These vegetation indices were the foundation of image classification. PCI Geomatics Geomatica 10.2 and Microimages TNT Mips software platforms were used for this purpose.

Keywords:

  • image classification
  • land cover
  • digital aerial image
  • vegetation index
  • remote sensing.
Accès libre

Heavy thunderstorms on the Polish-German lowlands in the period 1951–2008 and their circulation conditions

Publié en ligne: 21 Oct 2012
Pages: 25 - 32

Résumé

Keywords:

  • heavy thunderstorms
  • atmospheric circulation
  • Polish-German Lowlands
Accès libre

Effect of mowing on the structure of sedge communities in the Chwiszczej river valley (Białowieża forest)

Publié en ligne: 21 Oct 2012
Pages: 33 - 39

Résumé

Key words:

  • mowing
  • sedge communities
  • wetland management
  • Calamagrostis stricta
Accès libre

Preliminary assessment of coastal erosion and local community adaptation in Sayung coastal area, central java – Indonesia

Publié en ligne: 21 Oct 2012
Pages: 47 - 55

Résumé

Abstract

. Dynamic environment in coastal area, especially due to coastal erosion process, has negative impact on human environment. Sayung coastal area, located in Central Java-Indonesia, has experienced severe impact of coastal erosion. As the result of the coastal erosion, hundreds of settlement located in coastal area has been destructed. Moreover, fishponds as the land use dominated in the coastal area also has been severely destroyed. Besides the coastal erosion, increasing of inundated area due to sea level rise also threaten the local community. Although devastating impact suffering the coastal area, the people of Tambaksari, as the part of Sayung area, decided to live and adapt with the coastal erosion. This paper aims to identify the coastal erosion and understand adaptation strategies held by the local community related to reduce the impact of the coastal erosion. Based on this research, various adaptation strategies has been identified, namely (1) Planting mangrove alongside the shoreline, (2) elevating the ground level, (3) building staged house, (4) utilizing deep well for freshwater supply, (5), maintaining social interaction with mainland community, (6) Collecting fish from the mangrove as the food, and (7) changing work into the tourism sector.

Key words:

  • Coastal erosion
  • Community adaptation strategies
  • Sayung coastal area
Accès libre

Problems of geotourism and geodiversity

Publié en ligne: 21 Oct 2012
Pages: 57 - 61

Résumé

Keywords:

  • geoheritage
  • geotourism
  • geodiversity
Accès libre

Natural and human impact on land use change of the Sikkimese-Bhutanese Himalayan Piedmont, India

Publié en ligne: 21 Oct 2012
Pages: 63 - 75

Résumé

Abstract

. Natural and human causes of land use transformation were analysed in the Sikkimese-Bhutanese Himalayan piedmont over last 150 years with special emphasize on period 1930-2010. A hydrologic and geomorphic approach was employed to delineate three study areas along river courses on alluvial fans stretching 10 km from the mountain front. The visual interpretation of topographic maps and satellite images combined with logical rules in GIS were used for determination of stable and dynamic areas from the viewpoint of land use changes. Analysis indicates rapid replacement of natural forest through location of tea plantations, crop cultivation and development of settlement in the late 19th century. The shift from natural to human dominated landscape caused increase land use stability through enlargement of areas with monoculture cultivation of tea and paddy between 1930 and 2010. The natural fluvial activity intensified by human induced deforestation of Himalayan margin and clearance of riparian vegetation along foothill channels became the most important factors of present-day land use changes of piedmont.

Keywords:

  • deforestation
  • tea garden
  • paddy
  • fluvial activity
  • GIS
Accès libre

Health statistics in international databases and their cartographic visualization

Publié en ligne: 21 Oct 2012
Pages: 77 - 88

Résumé

Key words:

  • health statistics
  • statistical databases
  • health cartography
  • cartographic visualization
Accès libre

Some geographical and geological aspects in Johann Forster’s posthumous journals… controversy – HMS resolution memoirs never refined

Publié en ligne: 21 Oct 2012
Pages: 89 - 105

Résumé

Abstract

. The article takes part in the controversy surrounding the scientific heritage of Johann Forster born in Poland, of Scottish ancestry, writing in Latin, German and English. The main medium are Johann’s Journals drafted in English during Cook’s Second Circumnavigation. This article first presents the scientific controversy surrounding the posthumously published Journals…. Then in eleven topic-organised sections it depicts critically the geographical and geographo/geological character of these diaries.

Mots clés

  • 18th c. geography & geology
  • Cook’s Second Voyage memoirs
Accès libre

Stratigraphy of organic-rich deposits in floodplain environments: examples from the upper Odra river basin

Publié en ligne: 21 Oct 2012
Pages: 107 - 117

Résumé

Abstract

. Macrofossil analysis and radiocarbon dating were used to determine the age, composition and succession pattern of organic-rich deposits infilling oxbows and flood basins in the Rivers Kłodnica, Odra and Osobłoga valleys (southern Poland). Both detrital sediments representing the aquatic or terrestrial environments as well as five types of peat accumulated in amphibious or peatland conditions have been identified in cores analyzed. Studies have shown that an accumulation of organic-rich deposits was commonly initiated by terrestrialisation and was typically occurred under eutrophic conditions. In such circumstances, deposit sequences usually begin with aquatic detrital sediment (gyttja), or possibly brown-moss or reed peat. These deposits normally pass into sedge-reed peat and then alder peat. If the accumulation of organic-rich deposits was initiated by paludification, alder peat appears in the lowest sections of the fens. In the upper parts of the sequences, apart from wood peat, organic deposits dominated by sedge remains are also present. The latter were accumulated, probably, as an indirect effect of human activities in the floodplains.

Mots clés

  • macrofossils
  • organic matter
  • detritus deposits
  • peat
  • Holocene

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