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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 71 % OF TROPICAL GLACIERS

1970 -2,041 km2 2010 ≈ 1,400 km2


Lake Parón location PERÚ

CORDILLERA BLANCA


UPSTREAM BASIN WHERE LAKE PARON IS LOCATED Paria

Pirรกmide

Chacraraju

Artesonraju

Nevados de Caraz

ARTESONCOCHA

Pisco

PARร“N LAKE

Aguja Nevada

Huandoy


Par贸n lake the largest in the Cordillera Blanca Huandoy peaks

Chacraraju Pir谩mide Pisco

Hatunraju moraine


LAKE ARTESONCOCHA OUTBURSTS - JULY AND OCTOBER

1951

L. ARTESONCOCHA

L. PARÓN


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

TUNNEL AXIS

CONECTION TUNNEL ENTRANCE PERFORACIÓN DEL TÚNEL


4200 msnm

CONSTRUCTIVE PROCESS FOR DRAINAGE 54 m

DRILLING CHAMBER Túnel

h= 2.80m

4146 msnm


Chorro de uno de los agujeros

DESAGUE

Fotos de Parón después del desagüe


Proceso constructivo

Caverna de perforaciones TĂşnel

h= 2.80m 4146 msnm

4200 msnm


Proceso de perforaci贸n


Proceso de perforación – inicio con perforación piloto

Proceso de perforación

Cuatro válvulas para el desagüe


REGULATION SYSTEM


TOP VIEW RESERVOIRE REGULACION SYSTEM

PLANTA INTAKE

DRAINAGE TUNNEL,

CONEXION TÚNEL-LAGUNA

SECTIONAL VIEW PERFIL

ALREADY CANCELLED

CAPTACIÓN Y EMBOCADURA SECTION A-A

ACCESS SHAFT

INTAKE


REGULATION SYSTEM IN PARÓN LAKE


OPERATION FLOW AMOUNTS

SHEAR GATE RADIAL GATE

8-10 m3/s 8-10 m3/s 4 m3/s 4 m3/s


Protests and demostrations


THE STORY IS NOT OVER


MUCHAS GRACIAS

THANK YOU

Cesár Portocarrero: Lake Parón successful risk reduction of glacial lake in Cordillera Blanca, Peru  

Slides for presentation given to High Mountains Adaptation Partnership in Huaraz, Peru on 13 July 2013.

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