Relative Terrain Aspect Parameter Calculation Script for Snowfall Downscaling

An R script calculates the relative terrain aspect parameter for a preferential snowfall downscaling scheme in mountainous terrain. The code reads a terrain aspect angle grid from a file named 'terrain_aspect_grid.txt' and writes the computed relative terrain aspect angle grid to 'delta_psi_grid.txt'. The script was published by ENVIDAT and last updated on January 1, 2023.

Use Cases

• Implement a snowfall downscaling scheme based on the relative terrain aspect parameter.
• Process terrain aspect grids for climate modeling workflows.
• Calculate terrain-derived parameters for hydrological or avalanche risk models.

Strengths

• The script provides a specific calculation method for a key parameter in snowfall downscaling.
• The input and output file formats ('terrain_aspect_grid.txt', 'delta_psi_grid.txt') are explicitly named.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

ENVIDAT

Freshness

Last updated 2023-01-01 00:00:00; freshness should be verified.