SUEWS parameter database

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Material — Asphalt shingles evidence record unreferenced

albedo0.12
emissivity0.92
thermal_conductivity0.33
specific_heat1390
materialsunreferenced

Parameters

Names follow the SUEWS YAML specification; click one for its definition in the configuration reference.

albedo0.12
emissivity0.92
thermal_conductivity0.33
specific_heat1390
density1700

Provenance evidence

Awaiting sign-off

Assumed · assessed by provenance-audit · 2026-08-25. Agent assessment is evidence preparation, not human verification.

SUEWS database pre-migration workbook: database.xlsxLater compilation

Where: Pre-migration Spartacus Material row 36243781

Stores the exact tuple, the Asphalt shingles name, and Ref 90240057. This establishes release and migration lineage, not a publication claim for the values.

Urban Storage Heat Flux Variability Explored Using Satellite, Meteorological and Geodata.Validation

Where: Table 2, ESTM surface material properties, p. 274, 275

Reports effective surface and building-layer properties and cites asphalt roll as an ASHRAE component. It does not state albedo 0.12, emissivity 0.92, conductivity 0.33, specific heat 1390, and density 1700 as one asphalt-shingle material.

Assessment findings

Namesupported
The historical material row names this retained configuration Asphalt shingles; this is a catalogue identity, not evidence that Lindberg et al. publish the physical tuple.
Targetsupported
The historical row stores optical and thermal material properties and therefore supports the material target.
Valuessupported
The exact five values are supported only as the preserved historical configuration row. Lindberg et al. publish effective layer properties and identify asphalt roll as a component, but do not publish this atomic tuple.
Sourcesupported
Unreferenced is correct because no located publication states or derives the complete tuple. source_legacy_ref 90240057 retains the migrated Lindberg registry link without exporting it as the parameter source.
issue #249
Placenot applicable
The generic historical material row makes no observation-place claim.
Representativenessnot applicable
The record makes no site, city, or regional evidence-reach claim.
Methodsupported
Assumed distinguishes retention of a historical configuration tuple from a measured, fitted, calculated, or verbatim literature material.
Identitysupported
Legacy ID 36243781 identifies a distinct material-registry row whose stable path and values are retained without asserting a more specific asphalt product than the artifact records.

Scientific note

The exact tuple is retained as a historical configuration artifact because the migration row proves that lineage. Lindberg et al. do not publish it as an atomic asphalt-shingle material, and no exact ASHRAE row was located. Source unreferenced, method assumed, and source_legacy_ref 90240057 make that boundary explicit without guessing replacement values or a more specific product identity.

Model-ready fragment

Paste under material in a SUEWS YAML configuration; every value carries its citation.

albedo:
  value: 0.12
  ref:
    ID: unreferenced
    DOI: null
    desc: null
emissivity:
  value: 0.92
  ref:
    ID: unreferenced
    DOI: null
    desc: null
thermal_conductivity:
  value: 0.33
  ref:
    ID: unreferenced
    DOI: null
    desc: null
specific_heat:
  value: 1390
  ref:
    ID: unreferenced
    DOI: null
    desc: null
density:
  value: 1700
  ref:
    ID: unreferenced
    DOI: null
    desc: null

Evidence review

Awaiting sign-offSign off evidence on GitHub

Raises a prefilled sign-off issue. CI accepts it only when the issue author is in the verifier registry and the evidence revision is still current.

Review procedure

Record metadata

Sourceunreferenced — no citation was recorded in the legacy database; treat with care
Targetmaterial
Schema2026.5 · legacy row 36243781
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