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Water · albedowater evidence record

alb0.1
albedowatergenericgenericLand-cover classJärvi 2011

Parameters

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

alb0.1

Provenance evidence

Awaiting sign-off

Published value · assessed by provenance-audit · 2026-09-02. Agent assessment is evidence preparation, not human verification.

The Surface Urban Energy and Water Balance Scheme (SUEWS): Evaluation in Los Angeles and Vancouver.Parameter source

Where: Table 2(a), Water, albedo row, p. 223

Publishes the exact water albedo 0.10 and marks the cell with footnote f to Oke (1987).

Boundary Layer ClimatesInput observations

Where: Table 1.1, Radiative properties of natural materials, water rows, p. 12

Gives water albedo ranges of 0.03 to 0.10 at small zenith angles and 0.10 to 1.00 at large zenith angles. It supports the upstream physical range, not the exact all-angle scalar selection.

Surface Urban Energy and Water Balance Scheme (SUEWS): Development and evaluation at two UK sitesLater compilation

Where: Table 2, Water, original and adjusted albedo rows, p. 8

Carries water albedo 0.10 forward unchanged in both columns; the surrounding adjustment text discusses other surface classes and does not derive a new water value.

Assessment findings

Namesupported
Järvi et al. (2011) labels the corresponding model surface Water, matching the database label.
Targetsupported
Table 2 assigns the albedo to the water surface column, matching the land_cover.water target.
Valuessupported
Järvi et al. (2011) publishes the exact albedo 0.10. Oke (1987), cited by that cell, includes 0.10 within its water ranges but does not by itself identify one all-angle scalar.
Sourcesupported
Järvi et al. (2011) is the earliest checked source that states the exact stored model value. Oke (1987) supplies the stated upstream property ranges; Ward et al. (2016) later carries 0.10 forward unchanged.
Placesupported
The evidence presents a general water-surface parameter and typical water-property ranges, not a value determined for SE England. Generic is the supported active place scope.
Representativenesssupported
The evidence is a model parameter table backed by typical-property ranges, not a regional survey. Generic is therefore the supported representativeness.
Applicable Scalesupported
Järvi et al. (2011) publishes the scalar for the Water surface class in SUEWS, supporting application at the land-cover class scale.
Methodsupported
The record adopts an exact value from a published model parameter table, so literature is the applicable method.
Identitysupported
The stable SE England legacy path and origin preserve migration lineage, while active source and scope fields now describe the exact parameter publication and its generic applicability.

Scientific note

Ward et al. (2016) is a later unchanged compilation for this value. Järvi et al. (2011) is the earliest checked publication that states the exact 0.10 SUEWS water parameter. Its footnote leads to Oke (1987), whose table supplies zenith-angle-dependent water ranges but does not itself select one all-angle scalar. The record therefore cites Järvi et al. (2011) as parameter source and records Oke (1987) as upstream input. The value, stable path and historical origin remain unchanged; active place and representativeness are generic and applicable scale is land cover.

Legacy values (verbatim original columns; not SUEWS model inputs)

Alb_max0.1

Model-ready fragment

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

alb:
  value: 0.1
  ref:
    ID: jarvi2011
    DOI: 10.1016/j.jhydrol.2011.10.001
    desc: generic, generic, land_cover

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

Placegeneric
Scopegeneric
Applicable scaleLand-cover class
Targetland_cover.water · docs
Origin“UK, SE England” (verbatim legacy string)
Schema2026.5 · legacy row 41240047

Used by 2 typologies

Same study, same place

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all 27 sets from jarvi2011 at generic →
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