DTW snow profile alignment app
Source
1) Variable local warping
2) Pre/post storm
3) Human vs modeled
Browse for your own CAAML files
Browse for your own PRF file
Load Profiles
Profile Settings
Switch query and reference
Scale profiles to equal height before aligning
Resample profiles onto regular grid
sampling rate (cm)
Query
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Reference
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PRF file
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Note, the PRF file needs to contain at least two profiles, the first and second of which will be the query and reference profiles.
Alignment Settings
Open End alignment
Check global alignment
Direction of alignment
Bottom-up (BU)
Top-down (TD)
BU/TD
Apply a layer weighting scheme to the grain similarity matrix for preferential layer matching
Add deposition date info
Date normalization factor (unit: days)
Weights
grain type | hardness
{grain type & hardness} | ddate
Warping window
percentage of layers/height
Local slope constraint
symmetricP1 limits layer stretching and compressing to double/half the original thickness
unconstrained
symmetricP1
symmetricP2
Similarity assessment method
Herla et al (2021)
Layerwise
TSA PWL detection
RTA scaling
Profile Alignment
Cost Density & Warping Path
Profile similarity
:
Label deposition date
Profile similarity
:
Units
Layer #
Height (cm)
Cost
Global
Local