Tsho Rolpa Hazard Mitigation Project, Revisited

Notes from Bridges 2000


Tsho Rolpa in 1999


Tsho Rolpa in 2000


Sluice gate controling flow notch cut in moraine bank of lake.


Water dropping from notch to join Rolwaling River below;
rocks have been stabilized with cables.


Catwalk across the sluice gate.


The Rolwaling River at in November 2000.


Above and next three photos below: Tsho Rolpa in 2000, at reduced level.


(Above and below:) New steel bridge at Na.



Satellite based siren just below Tsho Rolpa.


An immediate danger at Tsho Rolpa has been avalanche from the glaciers directly above it.


The Rolwaling River winds across the U-shaped valley carved by glaciers that once descended a bit further than Na.


Lowered lake


Lowered lake


Valley


Facing ridge - stupa site


Lowered lake


Valley


Project site


Channel


Catwalk


Over the edge


Project office


Water exiting toward valley


Sluice gate


Channel


Northwest bank of Tsho Rolpa


The channel


same as next


The new controled-release channel, looking west on Rolwaling Valley


Water released from sluice gate


The sluice gate


Sacred spot near Na