# BI-IEnKF coupling model for effective source term estimation of natural gas leakage in urban utility tunnels

> Research article (Tunnelling and Underground Space Technology, 2023) · cited 23× · AI/ML

**Wikidata**: [openalex:W4327546544](https://www.wikidata.org/wiki/openalex:W4327546544)  
**Source**: https://4ort.xyz/entity/bi-ienkf-coupling-model-for-effective-source-term-estimation-of-natural-gas-leakage-in-urban-utility-tunnels