LAKE PARÓN AN EXAMPLE OF:

SUCCESSFUL RISK REDUCTION WORK,

SUCCESSFUL WATER RESOURCES DEVELOPMENT

AND

AN UNFORTUNATE AND LONG CONFLICT OVER WATER USE

GLACIERS IN PERÚ

GLACIER AREA

1970 -2,041 km2

2010 ≈ 1,400 km2

71 % OF TROPICAL GLACIERS

Lake Parón location

CORDILLERA BLANCA

PERÚ

UPSTREAM BASIN WHERE LAKE PARON IS LOCATED

Huandoy

Pisco

Chacraraju Pirámide Paria

Artesonraju

Nevados de Caraz

Aguja Nevada

PARÓN LAKE

ARTESONCOCHA

Parón lake the largest in the Cordillera Blanca Huandoy peaks

Chacraraju Pirámide

Pisco

Hatunraju moraine

L. ARTESONCOCHA

L. PARÓN

LAKE ARTESONCOCHA OUTBURSTS - JULY AND OCTOBER 1951

ACTIVITIES IN LAKE PARON AFTER 1951 GLOFS

GLACIERS AROUND LAKE PARON IN 1967

PARON TUNNEL AXIS

PARON SECURITY WORKS STAGES

1ST. STAGE BEGINING OF THE TUNNEL BORING

2ST. STAGE END OF TUNNEL DRILLING AND CONECTION WITH THE LAKE

3ST. STAGE WATER CONTROL SYSTEM INSTALLATION

SYPHONING ATEMPT

PERFORACIÓN DEL TÚNEL

TUNNEL AXIS

CONECTION

TUNNEL ENTRANCE

CONSTRUCTIVE PROCESS FOR DRAINAGE

4200 msnm

4146 msnm

DRILLING CHAMBER

Túnel h= 2.80m

54 m

DESAGUE

Chorro de uno de los agujeros

Fotos de Parón después del desagüe

Proceso constructivo 4200 msnm

4146 msnm

Caverna de perforaciones

Túnel h= 2.80m

Proceso de perforación

Proceso de perforación

Cuatro válvulas para el desagüe

Proceso de perforación – inicio con perforación piloto

REGULATION SYSTEM

PLANTA

PERFIL

CONEXION TÚNEL-LAGUNA CAPTACIÓN Y EMBOCADURA

DRAINAGE TUNNEL, ALREADY CANCELLED

RESERVOIRE REGULACION SYSTEM

ACCESS SHAFT

SECTION A-A

INTAKE

INTAKE

TOP VIEW

SECTIONAL VIEW

REGULATION SYSTEM IN PARÓN LAKE

4 m3/s

8-10 m3/s

OPERATION FLOW AMOUNTS SHEAR GATE RADIAL GATE

4 m3/s

8-10 m3/s

Protests and demostrations

THE STORY IS NOT OVER

MUCHAS GRACIAS THANK YOU