2/22 ERS102 - 2/22/08 Extra Credit- February 25th 4:00pm...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
2/22/08 Extra Credit- February 25 th 4:00pm DPC Rm 117 Glaciations and Maine II Important Concepts 1) How glaciers form 2) Glacial Features and interpretation 3) Hot glaciers shaped Maine’s landscape Glacial Advance and Retreat: Balance Between Accumulation and Ablation o Ablation=melting + sublimation o Glaciers Balance o Glaciers Equilibrium o Snowline= elevation above which snow remains year- round “equilibrium line” Glacial Equilibrium: Controls glacier movement o Accumulation=Ablation o Ice front does not move o Accumulation > Ablation o Accumulation < Ablation How is the movement of a glacier tied to climate? 1) Warming melt 2) Less snow (rain) change in weather Ice always moving forward even if glacier is retreating Retreat means ice is melting faster than can be replaced by flow Grounded ice: pinned on obstruction Glacial Marine sediment: Iceberg debris + outwash Glacial Effects on Landscape o Glaciers are important forces of landscape change via…
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/18/2008 for the course ERS 102 taught by Professor Kelley during the Spring '08 term at University of Maine Orono .

Page1 / 2

2/22 ERS102 - 2/22/08 Extra Credit- February 25th 4:00pm...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online