Lecture 14

Glaciers and Glaciation

Lecture Outline

I GlaciersA) DistributionB) Types

i. Alpineii. Continental

C) Formation and GrowthD) Movement

i. Alpineii. Continental

II Glacial ErosionA) Alpine Glaciers

i. Glacial Valleysii. Cirques, Horns, and Aretes

B) Continental Glaciersi. Roche moutonnee

C) Common Erosional Features

Lecture 14i

Lecture Outline

III Glacial DepositionA) Alpine Glaciers

i. Lateral and Medial Morainesii. Valley Train

B) Continental Glaciersi. Drumlinii. Kameiii. Eskeriv. Beach linev. Loess

C) Common Depositional Featuresi. Ground, Terminal and Recessional Morainesii. Erratics and Boulder Trainsiii. Outwash and Outwash Plain

IV Past Glaciation and Its EffectsV Conclusions

Lecture 14ii

Distribution of Glaciers

Lecture 14I.A

Controls on Glacier Distribution

Lecture 14I.C

Latitude

Aspect

Altitude

Snowline

Orographic Uplift

Precipitation

Temperature

Continentality

Controls on Glacier DistributionLatitude and Altitude

Lecture 14I.C

Controls on Glacier DistributionAltitude and Precipitation

Lecture 14I.C

Controls on Glacier DistributionPrecipitation and Temperature

Lecture 14I.C

Controls on Glacier DistributionPrecipitation

Lecture 14I.C

Controls on Glacier DistributionTemperature

Lecture 14I.C

Types of Glaciers

Lecture 14I.B

Alpine (Valley) Glaciers

Continental Glaciers

Types of GlaciersAlpine/Valley Glaciation

Lecture 14I.B.i

Types of GlaciersContinental Glaciation

Lecture 14I.B.i

Glacial Features

Lecture 14I.D

Snow, Firn, and Glacial Ice

Lecture 14I.D

Glacial Movement

Lecture 14I.D

Glacial Movement

Lecture 14I.D

Glacial MovementCrevasses

Lecture 14I.D

Glacial Erosion

Lecture 14I.D

Erosional Features of Glaciers

Lecture 14I

Glacial ValleyGlacial TroughHanging Valley

Cirque

Arete

Horn

Roche Moutonee

Striations and Polish

Erosional Features of GlaciersAlpine Glaciation - Glacial Valleys

Lecture 14II.A.i

Erosional Features of GlaciersAlpine Glaciation - Glacial Valleys

Hanging Valley

Lecture 14II.A.i

Erosional Features of GlaciersAlpine Glaciation - Cirques

Lecture 14II.A.i

Erosional Features of GlaciersAlpine Glaciation - Aretes

Lecture 14II.A.i

Erosional Features of GlaciersAlpine Glaciation - Horns

Lecture 14II.A.i

Erosional Features of Glaciers Continental Glaciation - Roche Moutonee

Lecture 14II.A.i

Erosional Features of Glaciers Striations and Polish

Lecture 14II.A.i

Depositional Features of Glaciers

Lecture 14I

MorainesLateralMedialTerminalGround

Drumlin

Kame

Esker

Loess

Erratics and Boulder Trains

Outwash Plains

Depositional Features of GlaciersMoraines

Lecture 14I

Depositional Features of GlaciersAlpine Glaciers - Lateral Moraines

Lecture 14I

Depositional Features of GlaciersAlpine Glaciers - Medial Moraines

Lecture 14I

Depositional Features of GlaciersTerminal Moraines

Lecture 14I

Depositional Features of GlaciersTerminal Moraines

Lecture 14I

Depositional Features of GlaciersGround Moraines

Lecture 14I

Depositional Features of GlaciersAlpine Glaciers - Valley Train

Lecture 14I

Depositional Features of GlaciersContinental Glaciers - Drumlin

Lecture 14I

Depositional Features of GlaciersContinental Glaciers - Kame

Lecture 14I

Depositional Features of GlaciersContinental Glaciers - Esker

Lecture 14I

Depositional Features of GlaciersContinental Glaciers - Esker

Lecture 14I

Depositional Features of GlaciersContinental Glaciers - Loess

Lecture 14I

Depositional Features of GlaciersErratics and Boulder Trains

Lecture 14I

Depositional Features of GlaciersOutwash and Outwash Plains

Lecture 14I

Water Bodies of Glaciated Regions

Lecture 14I

Marginal Lake

Tarn

Paternoster Lakes

Kettle Lakes

Finger Lakes

Water Bodies of Glaciated RegionsMarginal Lake

Lecture 14I

Water Bodies of Glaciated RegionsTarn

Lecture 14I

Water Bodies of Glaciated RegionsPaternoster Lakes

Lecture 14I

Water Bodies of Glaciated RegionsKettle Lakes

Lecture 14I

Water Bodies of Glaciated RegionsFinger Lakes

Lecture 14I