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Analiza Căii cu Cost Minim (Least-Cost Path) / Analiza Cost-Distanță×Modelul CA-Markov pentru schimbarea utilizării terenurilor×Analiza Decizională Multi-Criterială Bazată pe GIS (GIS-MCDA)×
DomeniuAnaliză spațialăAnaliză spațialăAnaliză spațială
FamilieProcess / pipelineProcess / pipelineProcess / pipeline
Anul apariției199419972006
Autorul originalEdsger Dijkstra (shortest path); GIS cost-surface adaptationCellular automata (Clarke) + Markov chain (Muller & Middleton)Jacek Malczewski (GIS-MCDA synthesis)
TipRaster cost-surface routingSpatio-temporal land-use change simulationSpatial multi-criteria suitability/decision analysis
Sursa seminalăDijkstra, E. W. (1959). A note on two problems in connexion with graphs. Numerische Mathematik, 1(1), 269–271. DOI ↗Clarke, K. C., Hoppen, S., & Gaydos, L. (1997). A self-modifying cellular automaton model of historical urbanization in the San Francisco Bay area. Environment and Planning B, 24(2), 247–261. DOI ↗Malczewski, J. (2006). GIS-based multicriteria decision analysis: a survey of the literature. International Journal of Geographical Information Science, 20(7), 703–726. DOI ↗
Denumiri alternativecost-distance analysis, accumulated cost surface, least-cost corridor, en düşük maliyetli yolCA-Markov model, cellular automata Markov, land-use change simulation, CA-Markov arazi kullanımı modeliGIS-MCDM, spatial multi-criteria analysis, GIS-AHP, weighted overlay suitability
Înrudite334
RezumatLeast-cost path analysis finds the route between two locations that minimizes accumulated travel cost across a landscape, rather than minimizing straight-line distance. By encoding terrain, slope, land cover, and other frictions into a cost surface and accumulating cost outward from a source, it identifies optimal corridors for roads, pipelines, trails, power lines, and wildlife movement — a core raster-GIS technique built on Dijkstra's shortest-path logic.CA-Markov is a hybrid spatio-temporal model that projects land-use and land-cover change by combining a Markov chain — which predicts how much of each class will change — with cellular automata, which decide where that change happens. Widely used for urban-growth and land-cover forecasting, it answers both the quantity and the location of change, something neither component does well alone.GIS-MCDA combines the map layers of a geographic information system with multi-criteria decision analysis to produce suitability or priority maps — ranking locations by how well they satisfy several weighted criteria at once. It is the standard framework for spatial decisions such as siting hospitals, solar farms, landfills, or evacuation areas, integrating methods like AHP, TOPSIS, and weighted overlay with spatial data.
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ScholarGateCompară metode: Least-Cost Path · CA-Markov · GIS-MCDA. Preluat la 2026-06-18 de pe https://scholargate.app/ro/compare