R* Vulnerability Scoring Calculator

R* = 0.40·D + 0.30·P + 0.20·(1 − RRS) + 0.10·DIRS

R* composite

D raw

contributes 0

P raw

contributes 0

RRS raw

contributes 0

DIRS raw

contributes 0

🚨 Mirror now R* ≥ 70 Immediate multi-replica preservation; daily sync; 3+ geographic replicas

⚠️ Stabilize & mirror R* 40–69 Harden repository governance; weekly sync; engage backup curatorial partners

🕊️ Monitor R* < 40 Metadata harvesting; monthly synchronization checks

About this tool

This calculator implements the R* Composite Priority Index, a rapid assessment methodology for operational triage in climate data preservation. R* is designed for crisis conditions — it assumes institutional instability rather than steady-state operations, and explicitly accounts for the human expertise dimension of data risk. It is not a substitute for strategic value assessment (see Karl utility scoring); it provides the urgency signal that tells you where to look first.

R* framework: S.C. Diggs, T.R. Karl, R. Keeling — Ensemble Approach to Data Risk Assessment (v2.0). Developed through 70+ structured expert interviews and validated through application to NOAA, IRI, and NODD dataset inventories.
RRS formal instrument: Repository Crisis Scorecards project — doi.org/10.5281/zenodo.15208172 — based on Schuster, Mayernik, Mullendore & Marquis (2023), Bull. Amer. Meteor. Soc., 104, E2053–E2064. Contact: rcs@esipfed.org
Associated with: CO-DAN (Climate/Ocean Data Action Network) and ESIP

Knowledge Graph Template v5.0 (2026-04-03) · Calculator v2.0

R* vulnerability scoring calculator

About this tool