The Andean Glacier and Water Atlas

Glacier runoff and “Peak Water” For selected glacier basins in the Andes Magdalena Daule/vinces Normalized runo

malized runo

Normalized runo

Normalized runo

0 1 2 3 4 5 6

0 1 2 3 4 5 6

0 1 2 3 4 5 6

Magdalena

Daule/vinces

1981

1980

1981

1980

Peak water refers to a point in time where meltwater runo is at its maximum

Glacier runo Normalized runoff

Peak Water Year already past XXXX Year yet to come XXXX Margin of error up to 20 years July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

ly Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

2050 2090

1990 2020

Peak water year for selected glaciers in each basin

laciers in each basin

Observed river basin runo

Normalized runo

Normalized runo

Normalized runo 2100

2070

1980

2010

2040

2070

2100

0 1 2 3 4 5 6

0 1 2 3 4 5 6

0 1 2 3 4 5 6

Amazon

Amazon

Santa 2011

Magdalena

2010

2010

Daule-Vinces

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

Amazon

Santa

Normalized runo

Normalized runo

Normalized runo

0 1 2 3 4 5 6

0 1 2 3 4 5 6

0 1 2 3 4 5 6

Titicaca

Majes 2026

Titicaca

2011

2011

Majes

Titicaca

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

Rapel

Normalized runo

Normalized runo

Normalized runo

0 1 2 3 4 5 6 0 1 2 3 4 5 6

0 1 2 3 4 5 6 0 1 2 3 4 5 6

0 1 2 3 4 5 6 0 1 2 3 4 5 6

rado

Colorado

Biobio

Colorado

Rapel

Colorado

2010

2010

2010

Negro

Baker

ruz

Santa Cruz

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

rmalized runo

Normalized runo

Normalized runo

Normalized runo

Normalized runo

Normalized runo

0 1 2 3 4 5 6

0 1 2 3 4 5 6

Santa Cruz

Negro

Baker 2015

Biobio

Negro

Santa Cruz

2002

2002

2050

2002

2050

ly Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

July Sept Nov Jan Mar May Aug Oct Dec Feb Apr Jun

Source: Huss, M., Hock., R., Global-scale hydrological response to future glacier mass loss, 2018

Source: Huss, M., Hock., R., Global-scale hydrological response to future glacier mass loss, 2018

GEO-GRAPHICS / GRID-Arendal 2018