GB/T 35635-2017 in English
VALIDLand cover information service
- Issued on:2017-12-29
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 5 business days
$476.00
| Standard No: | GB/T 35635-2017 |
| Document status: | VALID |
| Title in English: | Land cover information service |
| Title in Chinese: | 地表覆盖信息服务 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2017-12-29 |
| Implemented on: | 2018-07-01 |
| ICS Classification: | 07.040-Astronomy. Geodesy. Geography |
| Chinese Classification: | A75-Mapping in general |
| Professional Classification: | GB-National Standard |
| Related Topics: | surface
land cover land cover table device information table GBT35635 GB/T 35635-2017 information services |
《GB/T 35635-2017地表覆盖信息服务》由TC230（全国地理信息标准化技术委员会）归口，主管部门为自然资源部(测绘地理)。
Introduction
Analysis of the core framework of the standard
This standard constructs a three-dimensional framework system consisting of participating objects-content services-interaction messages, and realizes the full life cycle management of surface cover information through 8 types of service models and 4 levels of message types.
Comparison of Key Technologies
| Service Type | Core Function | Interface Specification | Typical Application |
|---|---|---|---|
| Data Service | Classification Data/Image Data Release | GB/T 25597 | Geographic National Conditions Monitoring |
| Statistical Service | Area Change Rate Calculation | Key-Value Model | Ecological Change Analysis |
| Validation Service | Accuracy Evaluation (Kappa≥0.8) | Confusion Matrix | Data Quality Assessment |
Implementation Points
Data Service Deployment Specifications
Service providers must ensure that:
- Support at least two spatial data encodings, WKT and GML
- Classification data naming follows the GlobeLand30_2010 format
- Response time ≤ 5 seconds (90% confidence interval)
Accuracy Verification Process
- Stratified sampling according to the confidence interval of 0.85-0.95
- Perform SampleJudgementOperation verification
- Calculate the Kappa coefficient based on the confusion matrix
Technical Evolution Analysis
This standard innovatively integrates the ISO 19144 classification system and OGC service specifications. Its technical evolution path is:
| Version | Technical Features | Breakthrough Points |
|---|---|---|
| 2012 Draft | Basic Data Service | WMS Interface Adaptation |
| 2017 Official Version | Full-chain Service Model | Verification and Evaluation System |
| 202X Revision Direction | AI-assisted Labeling | Real-time Change Detection |
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