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Paved · surfaces — City centre paved composite

Surface bundlespavedbeijingcity

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.

albedoPaved shanghai Awaiting sign-off
alb 0.12
emissivityPaved generic Awaiting sign-off
emis 0.91
water_storagePaved generic Awaiting sign-off
storage_drain_params.store_min 0.48 · storage_drain_params.store_max 0.48
drainagePaved generic Awaiting sign-off
storage_drain_params.drain_eq 3 · storage_drain_params.drain_coef_1 10 · storage_drain_params.drain_coef_2 3
constructionArchived internal construction fixture generic Awaiting sign-off
roof [{'material': 'records/materials/generic--lindberg-f2020--outer-roof-sample-run-ceramic-tiles-slate-shingles-concrete', 'thickness': 0.1}] · roof_insulation_layer 1 · wall [{'material': 'records/materials/generic--lindberg-f2020--outer-roof-sample-run-ceramic-tiles-slate-shingles-concrete', 'thickness': 0.1}]
snow_lim_patchPaved generic Awaiting sign-off
snowpack_limit 190
ohm · summer_wetArchived AN99 all-year paved configuration alland Awaiting sign-off
a1 0.805 · a2 -0.193 · a3 -9.39
ohm · summer_dryArchived AN99 all-year paved configuration alland Awaiting sign-off
a1 0.805 · a2 -0.193 · a3 -9.39
ohm · winter_wetArchived AN99 all-year paved configuration alland Awaiting sign-off
a1 0.805 · a2 -0.193 · a3 -9.39
ohm · winter_dryArchived AN99 all-year paved configuration alland Awaiting sign-off
a1 0.805 · a2 -0.193 · a3 -9.39

Composition provenance

Curation required

Assembled · assessed by provenance-audit · 2026-08-25. Agent assessment is composition review preparation, not human verification.

PavedSelected component

Fills the albedo slot. The record declares target land_cover.paved, name Paved, place shanghai, representativeness site, urban_setting central_business_district, source ao2016 and method literature. It carries alb 0.12 as the published minimum and preserves the published 0.14 maximum as canonical source_bounds metadata.

PavedSelected component

Fills the emissivity slot. The stable Helsinki-path record declares target land_cover.paved, name Paved, place generic, representativeness generic, applicable_scale land_cover, source jarvi2011 and method literature, and carries emis. Its path and origin preserve later Helsinki application lineage.

Paved Selected component

Fills water_storage. The stable Helsinki-path record declares target land_cover.paved, name 'Paved ', 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 Pavement parameter and carries store_min and store_max under storage_drain_params.

PavedSelected component

Fills the drainage slot. The record declares target land_cover.paved, name Paved, place generic, representativeness generic and source jarvi2011, and carries drain_eq, drain_coef_1, drain_coef_2 and wet_threshold.

Archived internal construction fixtureSelected component

Fills the construction slot. The record declares target construction, name Archived internal construction fixture, place generic, representativeness generic, source unreferenced and method assumed, and carries roof and wall layer lists with roof_insulation_layer and wall_insulation_layer. scripts/export_record.py keeps the construction slot out of the surface fragment, so this reference contributes no exported value.

PavedSelected component

Fills the snow_lim_patch slot. The stable path and origin retain Helsinki migration lineage, while the record declares target land_cover.paved, name Paved, place generic, representativeness generic, applicable_scale land_cover, source jarvi2014 and method literature, and carries snowpack_limit.

Archived AN99 all-year paved configurationSelected component

Fills all four ohm positions, summer_wet, summer_dry, winter_wet and winter_dry. The record declares target ohm_coefficients, name 'Archived AN99 all-year paved configuration', place alland, representativeness site, source umep-dev2017a-input-tables and method assumed, carries a1, a2 and a3, and declares no season_label.

Assessment findings

Composite identitysupported
The composite's name reads 'City centre ', with a trailing space, its place reads beijing and its origin reads Beijing, so read with those fields the label identifies a Beijing city-centre paved surface. The label names the typology rather than the provenance of its parts, and six of the seven components come from somewhere other than Beijing, which is dealt with under place.
Composite targetsupported
The composite declares target land_cover.paved. The albedo, emissivity, water_storage, drainage and snow_lim_patch slots each take a record declaring target land_cover.paved; the construction slot takes a record declaring target construction and the four ohm positions take records declaring target ohm_coefficients, which are the entry types those slots exist for. Surface records carry no attaches_to field, since attaches_to appears in this database only on the profile records under records/profiles/, so the slot check rests on the parameters each component carries: alb into albedo, emis into emissivity, store_min and store_max into water_storage, drain_eq, drain_coef_1, drain_coef_2 and wet_threshold into drainage, snowpack_limit into snow_lim_patch, and a1, a2 and a3 into each ohm position. The water_storage and drainage components both write into storage_drain_params and their keys do not overlap, so neither overrides the other. records/ohm/beijing--zheng-y2023--paved declares no season_label and is named 'Archived AN99 all-year paved configuration', so filling all four season and wetness positions from it asserts no seasonal split the record itself denies.
Own parameter valuesnot applicable
The composite declares no parameters of its own, so it overrides no component value; every number in its exported fragment arrives from a component.
Composition rationalenot applicable
The composite declares no source field and the repository records no published rationale for this selection. Each component's own source belongs to that component's evidence assessment, not to this review.
Place applicabilitycuration required
The composite declares place beijing, but none of its components carries that place. The OHM slot takes records/ohm/beijing--zheng-y2023--paved, site evidence from Alland; the albedo slot takes records/surfaces/paved/shanghai--ao2016--albedo, place shanghai; emissivity, water_storage, snow_lim_patch and drainage take generic literature records; construction is a generic fixture. Most of that borrowing is forced, because the database holds no paved surface record with place beijing. The related record records/surfaces/paved/shanghai--ao2016--emissivity is now documented as generic Asphalt-road literature evidence from Oke (1987), with Shanghai retained only as its migrated origin. It is not a matched Shanghai CBD pair with the selected albedo and does not settle the selected generic pavement emissivity.
Representativenesscuration required
The composite declares representativeness city. No component declares city; emissivity, water_storage, snow_lim_patch and drainage are generic literature records, and construction is generic; the albedo is site evidence from a Shanghai central business district and the OHM tuple is site evidence from one road in Alland. Extending either site value to a Beijing city composite is an unsupported extrapolation that needs curation.
Slot and season mappingsupported
An assembly of seven existing records into eleven slot positions; the composite produces no value of its own.
Completeness and uniquenesssupported
The composite fills all seven slots the land_cover.paved archetypes use, albedo, emissivity, water_storage, drainage, construction, snow_lim_patch and ohm, which is the full set every other paved archetype carries, so the assembly is complete on that pattern. It is the only Beijing paved typology in the database and its uses block is shared with no other archetype. records/surfaces/paved/se-england--ward2016--water-state carries state_limit and is referenced by no archetype, but no land_cover.paved archetype anywhere declares a water_state slot, so that is a target-wide design question rather than an omission in this entry.

Scientific note

archetypes/surfaces/paved/beijing--city-centre is a Beijing typology with no component measured or fitted in Beijing. records/ohm/beijing--zheng-y2023--paved supplies site-scale Alland evidence to all four season and wetness positions, and since it declares no season_label and is named 'Archived AN99 all-year paved configuration' the four-way mapping contradicts nothing the record claims. Everything else is borrowed: albedo from a site in a Shanghai central business district; emissivity, water storage, snowpack limit and drainage from generic Järvi et al. literature parameters; and the construction reference from an archived internal construction fixture. The database holds no paved surface record for Beijing, so borrowing as such is the design docs/FORMAT.md describes rather than a defect. The related records/surfaces/paved/shanghai--ao2016--emissivity is no longer a paired Shanghai site record: it is generic Oke (1987) Asphalt-road literature evidence, with Shanghai retained only as migrated origin. It therefore does not settle the selected generic pavement emissivity. The drainage component is now documented as generic literature evidence; the construction component is explicitly retained as an archived internal fixture rather than an evidence-backed physical assembly. The construction reference changes no exported number in any case, because scripts/export_record.py deliberately keeps the construction slot out of the surface fragment. No composition source supports transferring the site-scale Shanghai albedo to city-scale Beijing.

Model-ready fragment

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

alb:
  value: 0.12
  ref:
    ID: ao2016
    DOI: 10.1175/JAMC-D-16-0082.1
    desc: 'shanghai, central_business_district, site, source bounds 0.12–0.14 (active:
      minimum)'
emis:
  value: 0.91
  ref:
    ID: jarvi2011
    DOI: 10.1016/j.jhydrol.2011.10.001
    desc: generic, generic, land_cover
storage_drain_params:
  store_min:
    value: 0.48
    ref:
      ID: jarvi2011
      DOI: 10.1016/j.jhydrol.2011.10.001
      desc: generic, generic, land_cover
  store_max:
    value: 0.48
    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: 0.48
  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: 0.805
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
    a2:
      value: -0.193
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
    a3:
      value: -9.39
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
  summer_dry:
    a1:
      value: 0.805
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
    a2:
      value: -0.193
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
    a3:
      value: -9.39
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
  winter_wet:
    a1:
      value: 0.805
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
    a2:
      value: -0.193
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
    a3:
      value: -9.39
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
  winter_dry:
    a1:
      value: 0.805
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
    a2:
      value: -0.193
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material
    a3:
      value: -9.39
      ref:
        ID: umep-dev2017a-input-tables
        DOI: null
        desc: alland, site, material

Composition review

Curation requiredReview procedure

Composite metadata

Placebeijing
Scopecity
Targetland_cover.paved · docs
Origin“Beijing” (verbatim legacy string)
Schema2026.5 · legacy row 20240016

Used by 7 entries

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