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Buildings · surfaces — Kumpulabldgs composite

Surface bundlesbldgshelsinkicity

Composition

This composite is assembled from the entries below. Each evidence record keeps its own scientific review; a separate composition review assesses why these components were selected and how they are mapped.

albedoCentral London london Awaiting sign-off
alb 0.12
emissivityBuilding generic Awaiting sign-off
emis 0.95
water_storageBuilding generic Awaiting sign-off
storage_drain_params.store_min 0.25 · storage_drain_params.store_max 0.25
drainageBuilding generic Awaiting sign-off
storage_drain_params.drain_eq 3 · storage_drain_params.drain_coef_1 10 · storage_drain_params.drain_coef_2 3
constructionCentral London [sample run] london Awaiting sign-off
roof [{'material': 'records/materials/generic--lindberg-f2020--outer-roof-sample-run-ceramic-tiles-slate-shingles-concrete', 'thickness': 0.05}, {'material': 'records/materials/generic--lindberg-f2020--concrete-sample-run', 'thickness': 0.15}, {'thickness': 0.12}] · roof_insulation_layer 2 · wall [{'material': 'records/materials/generic--lindberg-f2020--outer-wall-sample-run-stone-concrete-brick-wood-concrete-35-glazed', 'thickness': 0.087}, {'material': 'records/materials/generic--lindberg-f2020--concrete-sample-run', 'thickness': 0.0497}, {'material': 'records/materials/generic--lindberg-f2020--concrete-sample-run', 'thickness': 0.0497}]
snow_lim_patchBuildings generic Awaiting sign-off
snowpack_limit 190
ohm · summer_wetRoof (own for SMEAR III, Helsinki) [750] helsinki Awaiting sign-off
a1 0.19 · a2 0.54 · a3 -15.125
ohm · summer_dryRoof (own for SMEAR III, Helsinki) [750] helsinki Awaiting sign-off
a1 0.19 · a2 0.54 · a3 -15.125
ohm · winter_wetRoof (own for SMEAR III, Helsinki) [750] helsinki Awaiting sign-off
a1 0.19 · a2 0.54 · a3 -15.125
ohm · winter_dryRoof (own for SMEAR III, Helsinki) [750] helsinki Awaiting sign-off
a1 0.19 · a2 0.54 · a3 -15.125

Composition provenance

Curation required

Assembled · assessed by provenance-audit · 2026-08-24. Agent assessment is composition review preparation, not human verification.

Central LondonSelected component

Fills albedo. The record declares target land_cover.bldgs, name 'Central London', place london, representativeness site, applicable_scale land_cover, source ward2016 and method fitted.

BuildingSelected component

Fills emissivity. The record declares target land_cover.bldgs, name 'Building', place generic, representativeness generic, applicable_scale land_cover, source jarvi2011 and method literature.

BuildingSelected component

Fills water_storage. The stable Helsinki-path record declares target land_cover.bldgs, name Building, place generic, representativeness generic, applicable_scale land_cover, source jarvi2011 and method literature. Its Helsinki origin preserves migration/application lineage; the value is published as a generic Building parameter.

BuildingSelected component

Fills drainage. The record declares target land_cover.bldgs, name 'Building', place generic, representativeness generic and applicable_scale land_cover.

Central London [sample run]Selected component

Fills construction. The record declares target construction, name 'Central London [sample run]', place london, representativeness city, source unreferenced and method assumed. Its three roof and three wall thicknesses follow historical code 801; the sample-run marker identifies an explicit retained configuration, while roof layer three has no proven material record.

BuildingsSelected component

Fills snow_lim_patch. The stable path and origin retain Helsinki migration lineage, while the record declares target land_cover.bldgs, name 'Buildings', place generic, representativeness generic, applicable_scale land_cover, source jarvi2014 and method literature, and carries snowpack_limit. It is the only buildings snowpack_limit record in the database.

Roof (own for SMEAR III, Helsinki) [750]Selected component

Fills the summer_wet, summer_dry, winter_wet and winter_dry ohm slots. The record declares target ohm_coefficients, name 'Roof (own for SMEAR III, Helsinki) [750]', place helsinki, representativeness city, source unreferenced and method calculated, and carries no season_label.

Assessment findings

Composite identitysupported
The name field of the composite reads Kumpula, its place field helsinki and its origin field Helsinki, so with the entry path archetypes/surfaces/bldgs/helsinki--kumpula the label identifies a named Helsinki neighbourhood. Among the fourteen buildings archetypes it is the only one whose name is a proper place name below city level.
Composite targetsupported
The composite declares target land_cover.bldgs, which agrees with its position under archetypes/surfaces/bldgs. The albedo, emissivity, water_storage, drainage and snow_lim_patch slots each take a record declaring target land_cover.bldgs; the construction slot takes a record declaring target construction; and the four ohm slots take a record declaring target ohm_coefficients. records/ohm/helsinki--jarvi2014--buildings declares no season_label and no wet or dry distinction, so filling summer_wet, summer_dry, winter_wet and winter_dry with the one record is the only mapping its content supports. None of these records declares attaches_to, which in this database appears only on the profile and snow-profile records, so the SUEWS field each slot writes is fixed by the slot name alone and cannot be cross-checked against the component.
Own parameter valuesnot applicable
The composite declares no parameters block, so it overrides no component value.
Composition rationalenot applicable
The composite claims no composition source, and the repository records no published rationale for assembling these particular records into a Kumpula building typology. The sources of the components belong to their own evidence assessments, not to this review.
Place applicabilitycuration required
The composite claims place helsinki. One component is a Helsinki row, OHM. Emissivity, water storage, drainage and snow_lim_patch are generic. Albedo and construction declare place london; the albedo transfer is forced, while the Central London sample-run construction remains the curation question.
Representativenesscuration required
The composite is classed city. Construction and OHM declare city; emissivity, water storage, drainage and snow_lim_patch declare generic; and the Central London albedo declares site. The site-scale albedo is narrower than the city reach claimed by the composite. This site-to-city extrapolation requires curation.
Slot and season mappingsupported
An assembly of existing records into slots; the composite produces no value of its own.
Completeness and uniquenesssupported
All seven slots are filled, and the four ohm slots take one record, consistent with records/ohm/helsinki--jarvi2014--buildings declaring no season_label. No other archetype in the repository carries an identical uses block. Two are close. archetypes/surfaces/bldgs/zurich--city-centre shares six of the seven components and differs only in taking records/ohm/beijing--zheng-y2023--buildings in the four ohm slots, and archetypes/surfaces/bldgs/helsinki--city-centre shares six and differs only in the construction slot.

Scientific note

Kumpula is the one archetype in this batch whose OHM selection can be read as deliberate rather than borrowed: records/ohm/helsinki--jarvi2014--buildings names a specific measurement site in its own name field, 'Roof (own for SMEAR III, Helsinki) [750]', and Kumpula is a named Helsinki neighbourhood rather than a generic city typology. Generic building-class or default rows supply emissivity, snowpack_limit, water storage and drainage. The Central London albedo is site evidence and is therefore narrower than this Kumpula city composite. Against that, two slots reach to London. The albedo is forced, because no Finnish buildings albedo record exists. The construction is not obviously forced, and it is the finding: records/constructions/uk--lindberg-f2020--central-london-sample-run is a London record whose name reads 'Central London [sample run]' and whose mapped layers use sample-run materials while roof layer three has no proven material record, so the thermal stack of a Helsinki neighbourhood rests on a sample configuration for a different city in a different climate. The comparison that makes this hard to dismiss is internal to the repository: the sibling archetype archetypes/surfaces/bldgs/helsinki--city-centre takes a Nordic construction instead, and no file records why. A maintainer should decide whether Kumpula should take a Nordic construction too, or whether the sample-run record should be withdrawn from the archetypes altogether. This review does not revisit any component value.

Model-ready fragment

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

alb:
  value: 0.12
  ref:
    ID: ward2016
    DOI: 10.1016/j.uclim.2016.05.001
    desc: london, site, land_cover
emis:
  value: 0.95
  ref:
    ID: jarvi2011
    DOI: 10.1016/j.jhydrol.2011.10.001
    desc: generic, generic, land_cover
storage_drain_params:
  store_min:
    value: 0.25
    ref:
      ID: jarvi2011
      DOI: 10.1016/j.jhydrol.2011.10.001
      desc: generic, generic, land_cover
  store_max:
    value: 0.25
    ref:
      ID: jarvi2011
      DOI: 10.1016/j.jhydrol.2011.10.001
      desc: generic, generic, land_cover
  drain_eq:
    value: 3
    ref:
      ID: jarvi2011
      DOI: 10.1016/j.jhydrol.2011.10.001
      desc: generic, generic, land_cover
  drain_coef_1:
    value: 10
    ref:
      ID: jarvi2011
      DOI: 10.1016/j.jhydrol.2011.10.001
      desc: generic, generic, land_cover
  drain_coef_2:
    value: 3
    ref:
      ID: jarvi2011
      DOI: 10.1016/j.jhydrol.2011.10.001
      desc: generic, generic, land_cover
wet_threshold:
  value: 0.25
  ref:
    ID: jarvi2011
    DOI: 10.1016/j.jhydrol.2011.10.001
    desc: generic, generic, land_cover
snowpack_limit:
  value: 190
  ref:
    ID: jarvi2014
    DOI: 10.5194/gmd-7-1691-2014
    desc: generic, generic, land_cover
ohm_coef:
  summer_wet:
    a1:
      value: 0.19
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
    a2:
      value: 0.54
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
    a3:
      value: -15.125
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
  summer_dry:
    a1:
      value: 0.19
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
    a2:
      value: 0.54
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
    a3:
      value: -15.125
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
  winter_wet:
    a1:
      value: 0.19
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
    a2:
      value: 0.54
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
    a3:
      value: -15.125
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
  winter_dry:
    a1:
      value: 0.19
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
    a2:
      value: 0.54
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet
    a3:
      value: -15.125
      ref:
        ID: unreferenced
        DOI: null
        desc: helsinki, city, facet

Composition review

Curation requiredReview procedure

Composite metadata

Scopecity
Targetland_cover.bldgs · docs
Origin“Helsinki” (verbatim legacy string)
Schema2026.5 · legacy row 20240002

Used by 1 entry

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