@article{fdi:010065366, title = {{C}ontribution of glacier runoff to water resources of {L}a {P}az city, {B}olivia (16 degrees {S})}, author = {{S}oruco, {A}. and {V}incent, {C}. and {R}abatel, {A}. and {F}rancou, {B}ernard and {T}hibert, {E}. and {S}icart, {J}ean-{E}mmanuel and {C}ondom, {T}homas}, editor = {}, language = {{ENG}}, abstract = {{T}he supply of glacier water to {L}a {P}az city, {B}olivia, between 1963 and 2006 was assessed at annual and seasonal timescales based on the mass-balance quantification of 70 glaciers located within the drainage basins of {L}a {P}az. {G}laciers contributed similar to 15% of water resources at an annual scale (14% in the wet season, 27% in the dry season). {U}ncertainties in our estimation are related to the assumed constant precipitation (similar to 0.5% for ice-free areas and up to 6.5% for glaciated areas), the constant runoff coefficient (similar to 1%), the surface areas of the glaciers and catchments (similar to 5%) and the mean mass-balance uncertainty of the 21 glaciers used to obtain the mass balance of the 70 glaciers (12% of the total discharge). {D}espite the loss of 50% of the glacierized area during the study period, runoff at {L}a {P}az did not change significantly, showing that increase in ice melt rates compensated for reduction in the surface area of the glaciers. {I}n the future, assuming complete disappearance of the glaciers and no change in precipitation, runoff should diminish by similar to 12% at an annual scale, 9% during the wet season and 24% during the dry season.}, keywords = {glacier hydrology ; glacier mass balance ; mountain glaciers ; tropical ; glaciology ; {BOLIVIE} ; {LA} {PAZ}}, booktitle = {}, journal = {{A}nnals of {G}laciology}, volume = {56}, numero = {70}, pages = {147--154}, ISSN = {0260-3055}, year = {2015}, DOI = {10.3189/2015{A}o{G}70{A}001}, URL = {https://www.documentation.ird.fr/hor/fdi:010065366}, }