# HiQLCD-AL 1.0 Frozen historical baseline; only the catalog is public. ## Overview | Item | Content | | ------------------- | --------------------------------------------------------------------------------------------------------------------------------------- | | Database | HiQLCD-AL | | Database identifier | `hiqlcd-al` | | Version | `1.0` | | Release date | Not recorded | | Data status | Frozen historical baseline; catalog publicly available | | System model | CUT_OFF、CONSEQUENTIAL | | Catalog scope | Flow catalog contains reference products only; method catalog contains category indicator metadata from frozen characterization factors | | Data provider | Not recorded | ## What's new HiQLCD-AL 1.0 provides a historical catalog of the aluminium value chain, with 1,037 datasets (CUT_OFF) covering primary aluminium, alumina and processed aluminium products. This page supports historical lookup and cross-version ID checks. - [Core Materials](/en/sectors/core-materials): 1,037 datasets (CUT_OFF), represented by 原铝（熔铸铝锭）, 氧化铝, 氢氧化铝, 铝液 and 铝合金板. ## Changes Version composition is reported separately for each system model, with datasets counted by Dataset ID. ### Dataset counts | System model | Dataset count (Dataset ID) | | ------------- | -------------------------: | | CUT_OFF | 1,037 | | CONSEQUENTIAL | 995 | Browse by sector: [Sector index](/en/sectors) ### Coverage changes CUT_OFF contains 119 activities and 16 reference products; CONSEQUENTIAL contains 117 activities and 14 reference products. Both models cover 37 geography codes. #### Geographic distribution | Geographies (union of the top 10 per model) | CUT_OFF | CONSEQUENTIAL | | ---------------------------------------------- | ------: | ------------: | | CN · China | 82 | 71 | | CN-NM · China,Inner Mongolia Autonomous Region | 50 | 49 | | CN-YN · China,Yunnan | 46 | 45 | | CN-GS · China,Gansu | 43 | 42 | | CN-QH · China,Qinghai | 42 | 41 | | CN-SC · China,Sichuan | 42 | 41 | | CN-NX · China,Ningxia Hui Autonomous Region | 40 | 39 | | CN-GX · China,Guangxi Zhuang Autonomous Region | 38 | 37 | | CN-GZ · China,Guizhou | 36 | 35 | | CN-SD · China,Shandong | 36 | 35 | Source: [Database Overview](/files/hiqlcd-al/1.0/revisions/20261106T193638Z/hiqlcd-al_Database_Overview_v1.0_r20261106T193638Z.xlsx) ### Data quality and documentation | Populated documentation fields / records | CUT_OFF | CONSEQUENTIAL | | --- | --- | --- | | Quality score | 0 / 1,037 | 0 / 995 | | Technology description | 0 / 1,037 | 0 / 995 | | Geographical representativeness description | 587 / 1,037 | 584 / 995 | ### Impact assessment The historical catalog lists 44 named impact assessment methods, comprising 762 category-indicator entries. The flow catalog lists reference products for this version. #### Impact assessment methods | Impact assessment method (version catalog) | Impact categories (distinct UUIDs) | Category indicator entries (complete Method IDs) | | ------------------------------------------ | ---------------------------------: | -----------------------------------------------: | | CML v4.8 2016 | 11 | 11 | | CML v4.8 2016 no LT | 11 | 11 | | Crustal Scarcity Indicator 2020 | 1 | 1 | | Cumulative Energy Demand (CED) | 12 | 12 | | Cumulative Exergy Demand (CExD) | 14 | 14 | | EDIP 2003 | 10 | 47 | | EDIP 2003 no LT | 10 | 47 | | EF v3.0 | 28 | 28 | | EF v3.0 EN15804 | 19 | 19 | | EF v3.0 no LT | 28 | 28 | | EF v3.1 | 25 | 25 | | EF v3.1 EN15804 | 18 | 18 | | EF v3.1 no LT | 25 | 25 | | EN15804 | 1 | 14 | | EPS 2020d | 7 | 7 | | EPS 2020d no LT | 7 | 7 | | Ecological Footprint | 4 | 4 | | Ecological Scarcity 2021 | 12 | 20 | | Ecological Scarcity 2021 no LT | 12 | 20 | | Ecosystem Damage Potential | 3 | 3 | | IMPACT 2002+ (Endpoint) | 4 | 16 | | IMPACT 2002+ (Midpoint) | 1 | 2 | | IPCC 2013 | 1 | 4 | | IPCC 2013 no LT | 1 | 4 | | IPCC 2021 | 8 | 32 | | IPCC 2021 no LT | 8 | 32 | | ReCiPe 2016 v1.03, endpoint (E) | 7 | 26 | | ReCiPe 2016 v1.03, endpoint (E) no LT | 6 | 25 | | ReCiPe 2016 v1.03, endpoint (H) | 6 | 25 | | ReCiPe 2016 v1.03, endpoint (H) no LT | 6 | 25 | | ReCiPe 2016 v1.03, endpoint (I) | 6 | 24 | | ReCiPe 2016 v1.03, endpoint (I) no LT | 6 | 24 | | ReCiPe 2016 v1.03, midpoint (E) | 18 | 18 | | ReCiPe 2016 v1.03, midpoint (E) no LT | 18 | 18 | | ReCiPe 2016 v1.03, midpoint (H) | 18 | 18 | | ReCiPe 2016 v1.03, midpoint (H) no LT | 18 | 18 | | ReCiPe 2016 v1.03, midpoint (I) | 18 | 18 | | ReCiPe 2016 v1.03, midpoint (I) no LT | 18 | 18 | | TRACI v2.1 | 9 | 9 | | TRACI v2.1 no LT | 9 | 9 | | USEtox | 2 | 4 | | USEtox no LT | 2 | 4 | | selected LCI results | 4 | 8 | | selected LCI results, additional | 5 | 20 | Source: [Database Overview：LCIA Methods / Impact Categories](/files/hiqlcd-al/1.0/revisions/20261106T193638Z/hiqlcd-al_Database_Overview_v1.0_r20261106T193638Z.xlsx) ## Files Attachment revision: 20261107T020200Z | Files | Scope | Format | bytes | System model | SHA-256 | | --- | --- | --- | ---: | --- | --- | | [hiqlcd-al_Database_Overview_v1.0_r20261107T020200Z.xlsx](/files/hiqlcd-al/1.0/revisions/20261107T020200Z/hiqlcd-al_Database_Overview_v1.0_r20261107T020200Z.xlsx) | Catalogs of datasets, reference products, geographies, flows and impact assessment methods. | XLSX | 198448 | CUT_OFF, CONSEQUENTIAL | f65f1cb466ab95f40a1f9fc31179c285b7207579e1a96c5081a0a21d372b6d9c | [File definitions](/en/resources/file-definitions) ## Known issues and limitations Sector coverage uses overlapping tags. ### Confirmed issues No formal issue register has been obtained. ### Documentation completeness (r1 field coverage) Pending documentation: official release date, formal release notes, publication record for a separate cumulative-result package, and historical method-implementation and background-version records. | Worksheet | Field | Rows with missing values or components | Total rows | | ---------------------- | ---------------------------------------- | -------------------------------------: | ---------: | | Cut-Off AO | Technology Level | 1,037 | 1,037 | | Cut-Off AO | Product Classification | 1,037 | 1,037 | | Cut-Off AO | Product Information | 1,037 | 1,037 | | Cut-Off AO | CAS Number | 1,037 | 1,037 | | Cut-Off AO | Cut-Off Classification | 1,037 | 1,037 | | Consequential AO | Technology Level | 995 | 995 | | Consequential AO | Product Classification | 995 | 995 | | Consequential AO | Product Information | 995 | 995 | | Consequential AO | CAS Number | 995 | 995 | | Consequential AO | Cut-Off Classification | 995 | 995 | | Geographies | Geography Classification | 37 | 37 | | Geographies | Contained and Overlapping Geographies | 37 | 37 | | Geographies | Parent Geography | 1 | 37 | | LCIA Methods | Method Version | 44 | 44 | | LCIA Methods | Status | 44 | 44 | | LCIA Methods | HiQLCD Documentation | 44 | 44 | | LCIA Methods | Further Documentation | 44 | 44 | | LCIA Methods | Links to Characterization Factor Sources | 44 | 44 | | Impact Categories | Resources - Emissions - Total | 762 | 762 | | Impact Categories | Main impact/damage category | 762 | 762 | | Impact Categories | Inventory - Midpoint - Endpoint - AoP | 762 | 762 | | Impact Categories | Area of Protection (AoP) | 762 | 762 | | Impact Categories | Used in EN15804 | 762 | 762 | | Impact Categories | Category name in method | 762 | 762 | | Impact Categories | Indicator name in method | 762 | 762 | | Impact Categories | Unit in method | 762 | 762 | | Intermediate Exchanges | CAS Number | 16 | 16 | | Intermediate Exchanges | Comment | 16 | 16 | | Intermediate Exchanges | By-product Classification | 16 | 16 | | Intermediate Exchanges | CPC Classification | 16 | 16 | | Intermediate Exchanges | Product Information | 16 | 16 | | Intermediate Exchanges | Synonym | 16 | 16 | Source: [Database Overview：Field Availability](/files/hiqlcd-al/1.0/revisions/20261106T193638Z/hiqlcd-al_Database_Overview_v1.0_r20261106T193638Z.xlsx) ## Citation hiqlcd-al, version 1.0. Specify the system model, dataset and source when citing results. See [citation format](/en/resources/citation). ## Sources Sources and exact file revisions are recorded below each table or statement. File definitions are available in [File definitions](/en/resources/file-definitions). [Database Overview (r2)](/files/hiqlcd-al/1.0/revisions/20261107T020200Z/hiqlcd-al_Database_Overview_v1.0_r20261107T020200Z.xlsx) supplies the version catalog and sector coverage; process documentation supplies the documentation-coverage statistics. Product names retain their documented Chinese names where English names are pending.