SAGA - Multi-Scale Topographic Position Index TPI

Tools for (grid based) digital terrain analysis.

SAGATERRAIN ANALYSISMORPHOMETRY

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Initial contribute: 2018-11-06

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Method-focused categoriesData-perspectiveGeoinformation analysis

Detailed Description

English {{currentDetailLanguage}} English

Topographic Position Index (TPI) calculation as proposed by Guisan et al. (1999).This implementation calculates the TPI for different scales and integrates these into one single grid. The hierarchical integration is achieved by starting with the standardized TPI values of the largest scale, then adding standardized values from smaller scales where the (absolute) values from the smaller scale exceed those from the larger scale. This integration scheme has been proposed by N. Zimmermann.

模型元数据

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SAGA (2018). SAGA - Multi-Scale Topographic Position Index TPI, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/bd00cad7-192c-42c6-ba1c-98f45bf6784a
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Contributor(s)

Initial contribute : 2018-11-06

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