Indicators of landscape diversity derived from remote sensing based land cover maps – spatial and thematic aspects
نویسندگان
چکیده
منابع مشابه
Multiscale Landscape Representation Derived from Remote Sensing Images Using Spatial Subpixel Models and Combinatorial Maps
Landscapes can be modelled as sets of homogeneous objects (landscape elements) forming areas of characteristic patterns (landscape units). The common way to represent landscapes is by vector GIS data structures which do not provide a mechanism for storing the spatial relationships between the objects in explicit form. Also, they do not account for a multi-scale representation. Graphs can be use...
متن کاملLand cover land use mapping and change detection analysis using geographic information system and remote sensing
Land cover/land use categories are relevant components in land management. Understanding how land cover/land use change over time is necessary to assess the consequences of humans and natural stressors on the earth’s environment and resources. The aim of the study was to map and monitor the spatial and temporal change in land cover/land use for the periods of 1977, 1991 and 2016 and to predict ...
متن کاملApplication of remote sensing and geographical information system in mapping land cover of the national park
The study was conducted with the objective of mapping landscape cover of Nechsar National park in Ethiopia to produce spatially accurate and timely information on land use and changing pattern. Monitoring provides the planners and decision-makers with required information about the current state of its development and the nature of changes that have occurred. Remote sensing and Geographical Inf...
متن کاملThe evaluation and comparison of thematic maps derived from remote sensing
The accuracy of thematic maps derived from remote sensing is often viewed negatively. This reflects difficulties in mapping but also issues connected with accuracy evaluation targets and assessment approaches. This paper focuses on the latter issues suggesting that the widely used target accuracy of 85% may often be inappropriate and that the approach to accuracy assessment adopted commonly in ...
متن کاملLinking remote sensing, land cover and disease.
Land cover is a critical variable in epidemiology and can be characterized remotely. A framework is used to describe both the links between land cover and radiation recorded in a remotely sensed image, and the links between land cover and the disease carried by vectors. The framework is then used to explore the issues involved when moving from remotely sensed imagery to land cover and then to v...
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ژورنال
عنوان ژورنال: Ecological Questions
سال: 2013
ISSN: 1644-7298
DOI: 10.12775/ecoq-2013-0021