China also agreed to extend provision of hydrological data, from May 15 to October 15 every year on a daily basis, adding 15 days to an earlier agreement. The data will be provided by three stations at Nugesha, Yangcun and Nuxia in Tibet on the main stream of the river.

Three new dams

China last year gave the go-ahead for three new hydropower dams on the Yarlung Zangbo, ending a two-year suspension on new projects. Beijing has said that the projects will not affect downstream flows, but a lack of transparency on its plans has been a source of concern. China began construction on a 510-MW project in Zangmu in 2010 — so far the only major project on the river’s main stream.Read more