HiQLCD 1.2.0

Overview

What's new

HiQLCD 1.2.0 contains 31,381 datasets (CUT_OFF), a net increase of 13 over 1.1.0. Its main changes are to names, descriptions, classifications and reference-product information; 19,454 shared datasets have revisions to selected metadata fields.

• Steel: Revises selected metadata fields in 5,345 retained datasets, with representative reference products 钢坯, 碳钢; 热处理宽厚板, 304不锈钢; 中厚板, 碳钢; 冷硬卷, 碳钢; 中厚板, 304不锈钢.

• Chemicals: Revises selected metadata fields in 4,448 retained datasets, with representative reference products 液压油; 缓蚀阻垢剂; 润滑脂; 甲醇; 乙二醇.

• Electrical Equipment: Revises selected metadata fields in 1,058 retained datasets, with representative reference products 电缆; 滑触线; 干式变压器; 异步电机; 低压成套开关设备.

• Oil & Gas and Products: Adds 98 datasets, with representative reference products 原油; 天然气，高压.

Comparison: 1.1.0 to 1.2.0, CUT_OFF. Source: Sources.

Official release notes

Translated from the official Chinese release notes.

• Improves metadata across all datasets, adds fields, standardizes terminology and corrects errors.
• Consolidates and restructures selected datasets.

Source: Official release notes at carbonx.hiqlcd.com

Changes

The baseline is 1.1.0 to 1.2.0. CUT_OFF rises from 31,368 to 31,381 datasets (0.04%), with 30,038 shared by both versions.

Dataset counts

Browse by sector: Sector index

Dataset IDs (1.1.0 → 1.2.0)

Source: ID Correspondence

Model totals: 1.1.0 / 1.2.0

Coverage changes

CUT_OFF contains 1,346 activities and 856 reference products across 393 geography codes. Among shared datasets, revisions cover 13,072 names, 8,127 descriptions, 865 classifications and 310 reference-flow assignments; 684 datasets have revisions to core inventory fields.

Geographic distribution

Source: Database Overview

New dataset geographies (1.1.0 → 1.2.0)

New reference products (1.1.0 → 1.2.0)

Basis: the union of database-wide new Product UUIDs across comparable models, grouped by sector. Sector pages retain the within-sector set differences and names.

Data quality and documentation

Impact assessment

The published method catalog retains 1,920 category-indicator entries. The catalog with characterization factors contains 44 methods and 762 category indicators, with 228,036 characterization-factor records. These records remain unchanged from 1.1.0 over the fields checked.

Impact assessment methods

Source: Database Overview：LCIA Methods / Impact Categories

Method catalog changes (1.1.0 → 1.2.0)

Result changes

The IPCC 2021 / climate change / GWP100 comparison covers 30,038 shared CUT_OFF datasets from 1.1.0 to 1.2.0. Relative difference is abs(new−old) / max(abs(new), abs(old)); selection thresholds use the maximum absolute indicator value over all shared datasets in both versions.

Use the ID correspondence to locate datasets during migration, and reassess the model with the selected version.

Files

Worksheet and column definitions

Revision 20261107T020200Z

HiQLCD 1.2.0 Public catalog files

Files	Scope	Format	Size
Database Overview ↓hiqlcd_Database_Overview_v1.2.0_r20261107T020200Z.xlsx Catalogs of datasets, reference products, geographies, flows and impact assessment methods. SHA-256 b063bec1330de3911a3e47a5071938568417a2141048f231ae3c7847acf0f674	1.2.0CUT_OFF / CONSEQUENTIAL	XLSX	4.6 MB
ID Correspondence ↓hiqlcd_ID_Correspondence_v1.1.0-v1.2.0_r20261107T020200Z.xlsx Dataset ID correspondence between adjacent versions. SHA-256 4c842518f313b414b7ef08b4d1a5b5420c482f4380837b440ee1d047517da39a	1.1.0 → 1.2.0CUT_OFF / CONSEQUENTIAL	XLSX	7.8 MB
Change Annex Metadata ↓hiqlcd_Change_Annex_Metadata_v1.1.0-v1.2.0_r20261107T020200Z.xlsx Metadata changes in dataset, flow and LCIA catalogs. SHA-256 2d8bb51fed6da0fbf9dab52d1281b43ba38d812a548eedc01b4991385ecb42a4	1.1.0 → 1.2.0CUT_OFF / CONSEQUENTIAL	XLSX	4.1 MB

Known issues and limitations

Sector tags overlap. Inventory revisions are counted by changes in core inventory fields; metadata revisions are counted separately.

Confirmed issues

No formal issue register has been obtained.

Documentation completeness (r1 field coverage)

Data quality scores and overall quality scores are counted from their respective populated fields. Pending documentation: merge, split and replacement mappings for consolidated entries, and a reconciliation between official historical totals and the current published catalog.

Source: Database Overview：Field Availability

Citation

hiqlcd, version 1.2.0. Specify the system model, dataset and source when citing results. See citation format.

Sources

Sources and exact file revisions are recorded below each table or statement. File definitions are available in File definitions.

Database Overview supplies the current catalog. Documentation-coverage and inventory-revision figures use the version’s process documentation; result comparisons use existing results aligned by dataset and category indicator.