Lecture 14 Glaciers and Glaciation

Lecture 14 Glaciers and Glaciation

Lecture Outline I Glaciers A) Distribution B) Types i. Alpine ii. Continental C) Formation and Growth D) Movement i. Alpine ii. Continental II Glacial Erosion A) Alpine Glaciers i. Glacial Valleys ii. Cirques, Horns, and Aretes B) Continental Glaciers i. Roche moutonnee C) Common Erosional Features Lecture 14 i

Lecture Outline III Glacial Deposition A) Alpine Glaciers i. Lateral and Medial Moraines ii. Valley Train B) Continental Glaciers i. Drumlin ii. Kame iii. Esker iv. Beach line v. Loess C) Common Depositional Features i. Ground, Terminal and Recessional Moraines ii. Erratics and Boulder Trains iii. Outwash and Outwash Plain IV Past Glaciation and Its Effects V Conclusions Lecture 14 ii

Distribution of Glaciers Lecture 14 I.A

Controls on Glacier Distribution • Latitude • Aspect • Altitude • Snowline • Orographic Uplift • Precipitation • Temperature • Continentality Lecture 14 I.C

Controls on Glacier Distribution Latitude and Altitude Lecture 14 I.C

Controls on Glacier Distribution Altitude and Precipitation Lecture 14 I.C

Controls on Glacier Distribution Precipitation and Temperature Lecture 14 I.C

Controls on Glacier Distribution Precipitation Lecture 14 I.C

Controls on Glacier Distribution Temperature Lecture 14 I.C

Types of Glaciers Alpine (Valley) Glaciers Continental Glaciers Lecture 14 I.B

Types of GlaciersAlpine/Valley Glaciation Lecture 14 I.B.i

Types of GlaciersContinental Glaciation Lecture 14 I.B.i

Glacial Features Lecture 14 I.D

Snow, Firn, and Glacial Ice Lecture 14 I.D

Glacial Movement Lecture 14 I.D

Glacial Movement Crevasses Lecture 14 I.D

Glacial Erosion Lecture 14 I.D

Erosional Features of Glaciers • Glacial Valley • Glacial Trough • Hanging Valley • Cirque • Arete • Horn • Roche Moutonee • Striations and Polish Lecture 14 I

Erosional Features of GlaciersAlpine Glaciation - Glacial Valleys Lecture 14 II.A.i

Erosional Features of GlaciersAlpine Glaciation - Glacial Valleys Hanging Valley Lecture 14 II.A.i

Erosional Features of GlaciersAlpine Glaciation - Cirques Lecture 14 II.A.i

Erosional Features of GlaciersAlpine Glaciation - Aretes Lecture 14 II.A.i

Erosional Features of GlaciersAlpine Glaciation - Horns Lecture 14 II.A.i

Erosional Features of Glaciers Continental Glaciation - Roche Moutonee Lecture 14 II.A.i

Erosional Features of Glaciers Striations and Polish Lecture 14 II.A.i

Depositional Features of Glaciers • Moraines • Lateral • Medial • Terminal • Ground • Drumlin • Kame • Esker • Loess • Erratics and Boulder Trains • Outwash Plains Lecture 14 I

Depositional Features of GlaciersMoraines Lecture 14 I

Depositional Features of GlaciersAlpine Glaciers - Lateral Moraines Lecture 14 I

Depositional Features of GlaciersAlpine Glaciers - Medial Moraines Lecture 14 I

Depositional Features of GlaciersTerminal Moraines Lecture 14 I

Depositional Features of GlaciersGround Moraines Lecture 14 I

Depositional Features of GlaciersAlpine Glaciers - Valley Train Lecture 14 I

Depositional Features of GlaciersContinental Glaciers - Drumlin Lecture 14 I

Depositional Features of GlaciersContinental Glaciers - Kame Lecture 14 I

Depositional Features of GlaciersContinental Glaciers - Esker Lecture 14 I

Depositional Features of GlaciersContinental Glaciers - Loess Lecture 14 I

Depositional Features of GlaciersErratics and Boulder Trains Lecture 14 I

Depositional Features of GlaciersOutwash and Outwash Plains Lecture 14 I

Water Bodies of Glaciated Regions Marginal Lake Tarn Paternoster Lakes Kettle Lakes Finger Lakes Lecture 14 I

Water Bodies of Glaciated RegionsMarginal Lake Lecture 14 I

Water Bodies of Glaciated RegionsTarn Lecture 14 I

Water Bodies of Glaciated RegionsPaternoster Lakes Lecture 14 I

Water Bodies of Glaciated RegionsKettle Lakes Lecture 14 I

Water Bodies of Glaciated RegionsFinger Lakes Lecture 14 I

Lecture 14 Glaciers and Glaciation