Advancing or Retreating? Determine whether each of the glaciers below is advanci

Question

Advancing or Retreating? Determine whether each of the glaciers below is advancing, retreating, or stationary by calculatin glacier's budget (accumulation vs. loss). (6 pts) LOSS (km3) ACCUMULATION (km3) SnowfallTributaries Melting Calving Sublimation Net Change acier ame RRETT 198 24 51 213 86 12 85 none TTLEMAN129 none 65 ROIS 102 34 none BARRETT GLACIER: Advancing, retreating, or stationary? GITTLEMAN GLACIER: Advancing, retreating, or stationary? IROIS GLACIER: Advancing, retreating, or stationary? dentification & Analysis of Glacial Features 1. Label three alpine glacial landforms visible in this photo. Write the names so they are vi

Explanation / Answer

the glacial will retard when net accumulation is less than loss .

the glacial will advance when net accumulation is more than loss.

the glacial will be stationary when accumulation equals to loss.

so case 1: Barret glaciar

net accumulation = 213+77=290

net loss =198+86=284

so accumulation greather than loss so=290-284=6 it is advancing

case 2: Gittleman glacier:

net accumulation =129

net loss=101

so it is retreating

case 3: Sirios glacier

net accumulation =102+34=136

net loss = 51+85 =136

so accumulation = loss it is stationary

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