Tool for Weertman to Regularized Coulomb basal friction conversion - #752

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matthewhoffman wants to merge 55 commits into

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matthewhoffman:landice/weertman-to-rc-conversion

Commits on Aug 17, 2026

Add script to convert from weertman to coulomb friction law
matthewhoffman
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5ed4488
add yaml section
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8639404
Use separate exponents for weertman and RC
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652ed32
Use temperature-based A calculation
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b7c4aae
update friction field name
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ce33746
Support both temp-based A and constant A for basal friction law
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cbbc647
Fix unit errors in Regularized Coulomb friction conversion

matthewhoffman
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66d683c
Update/correct yaml snippet
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0ac53c6

Commits on Aug 18, 2026

Solve RC law exactly for Lambda using actual sliding speed

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2e3afed

Commits on Aug 19, 2026

Commits on Aug 25, 2026

Add alternate 'transition' effective-pressure parameterization option

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51b6114
Fix h_ocean default units in effective_pressure4 (km -> m)

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6468bbf
Add --diagnostics/--no-diagnostics flag; add floatationFraction and hydropotential fields

matthewhoffman
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c7f18ef
Add optional flowline-transect plots of N, floatation fraction, hydropotential

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a2035e7
Merge downs-johnson/transition effective-pressure CLI args

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23ca24d
Shade floating ice, ice-free ocean, and ice-free land on transect plots

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976d753
Plot --min-fraction-overburden bound on floatation fraction transect panel

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03f5297
Fix min-fraction-overburden sign convention and hydropotential density

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c7ce2fc
Add bed/surface elevation panel to transect plots

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601e38a
Add Antarctic-wide map plots via mosaic when --plot-transects is used

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2ffe34e
Log-scale bedRoughnessRC map, compare to muFriction, flatten plot dir

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4f4d190
change transect plot filename
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2f1dc6f
Use turbo colormap (reversed for muFriction) in bedRoughnessRC map

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63907d0
Clip floatationFraction map to [0,1] and mask non-grounded cells

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498c2dc
Mask effectivePressure map to grounded ice only

matthewhoffman
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be9ead7
Mask hydropotential map to grounded ice only

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0f55296
add 'map' prefix to map figures
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c41a0d9
Overlay transect lines on Antarctic-wide diagnostic maps

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a0a80bf
Mark bed elevation=0 crossings with vertical dotted lines on transects

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6b3d48c
Remove temporary N calculation used for debugging
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7b64c60
Remove vmin for flotation fraction map
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9331a75
Add implied-C diagnostic map

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555b0e1
Shade Coulomb C-fit region on transect plots

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8e002d7
Add implied-local-C panel to transect plots

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fd6ba8d

Commits on Aug 26, 2026

Add standalone pure-Coulomb N-vs-C sensitivity script

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a010999
Add floatation fraction and hydropotential panels to N sensitivity script

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3b25af0
Fix floatation fraction y-limits in N sensitivity script

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6a2f266
Add Pine Island Glacier as a default transect

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a25e489
Fix floatation-fraction panel ylim clamping bug

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5227fad
Add basal shear stress panel to N sensitivity script

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07b2ba4
Fix muFriction unit mismatch (kPa, not Pa) in N sensitivity script

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2733ee0
Disable anti-aliasing in mosaic map plots

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6a2e4d9
Fix sign bug in Downs-Johnson marine term

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42d58e7
Fix missing meters-to-km conversion for bedRoughnessRC (Lambda)

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3a3227f

Commits on Aug 27, 2026

Add ocean-connection effective pressure type; fix Albany YAML string

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b5b5d8d

Commits on Aug 28, 2026

Fix yaml syntax
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ddd54a2
Remove erroneous double m->km conversion for bedRoughnessRC (Lambda)

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bf1bc34
Fix map_bedRoughnessRC.png colorbar units label (km -> m)

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aa96b98
Write fitted C into muFriction field instead of dropping it

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d3da56c
Switch to having mu as a field in the MALI file rather than constant in yaml
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738ee60

Commits on Aug 29, 2026

Add transition-velocity method for Weertman-to-RC conversion

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c444d73
Give calculated muFriction its own map plot

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05ff6bb

Commits on Aug 31, 2026

Add whole-domain grounding-line/terminus extrapolation option

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dd01e2b
Add regime-ratio diagnostic map (Coulomb vs. power-law regime)

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da2d764