19
•Download as PPT, PDF•
0 likes•626 views
This chapter discusses glacial systems and the landforms they create. It describes the two major types of glaciers - alpine and continental - and how they flow via internal deformation and basal sliding. Glaciers erode primarily through plucking and abrasion, transporting material and leaving behind distinctive depositional features like moraines, drumlins, and eskers. Continental ice sheets during the Pleistocene epoch shaped much of North America and Europe through erosion of cirques, arêtes, and fjords, and deposition of till plains, outwash plains, and erratic boulders.
Report
Share
Report
Share
Recommended
7
This chapter discusses air masses and weather systems. It describes the major air masses that affect weather in different regions, including maritime tropical (mT), continental polar (cP), and continental arctic (cA). Fronts are boundaries between differing air masses, such as cold fronts and warm fronts. Mid-latitude cyclones form in zones of clash between polar and subtropical air masses, bringing variable weather. Other atmospheric disturbances discussed include hurricanes, thunderstorms, tornadoes, blizzards, and tropical waves. Modern weather forecasting utilizes Doppler radar, satellites, and high-speed computing.
Ch05
This chapter discusses atmospheric pressure and wind. It describes how pressure and wind impact the landscape and explains the nature of atmospheric pressure and wind patterns. The key components of the general circulation are outlined, including Hadley cells, trade winds, the ITCZ, westerlies, and polar cells. Seasonal variations and localized wind systems are also covered, along with phenomena like monsoons, El Niño, and other multi-year cycles.
17
This chapter discusses fluvial processes and landforms created by flowing water. It covers topics like surface runoff, stream systems, drainage basins, stream discharge, erosion and transportation of sediment, channel patterns, and landforms created in different parts of the stream course. It also addresses human impacts like flooding hazards and the importance of surface waters for transportation, agriculture, and water supply.
14
This chapter discusses volcanic and tectonic landforms and processes. It describes different types of volcanic eruptions and the resulting landforms such as lava flows, shield volcanoes, cinder cones and composite cones. It also discusses tectonic forces that shape the landscape, including folding, faulting and rifting. Earthquakes are examined as evidence of present-day tectonic activity, and methods for measuring their magnitude and intensity are outlined. Hazards posed by large earthquakes are also highlighted.
Ch08
The document discusses climate classification and climate change. It describes the six primary climate groups classified by the Köppen system based on temperature and precipitation. These include tropical humid climates, dry climates, mild midlatitude climates, severe midlatitude climates, polar climates, and highland climates. Paleoclimatology methods are used to study past climate changes. Factors influencing long-term climate change include greenhouse gases, solar output, and ocean currents. Evidence suggests the Earth is currently undergoing global warming due to increased carbon dioxide from human activities.
Ch15
The document discusses the processes of weathering, mass wasting, and erosion. It explains that weathering breaks down bedrock and opens fissures through various mechanical, chemical, and biological agents. Mass wasting then transports this loosened material downslope through falling, sliding, flowing, or creeping. These preliminaries to erosion dramatically reshape landscapes over time.
Midlatitude cyclones
Midlatitude cyclones are large low pressure storm systems that form in the midlatitudes. They develop as warm and cold air masses converge, forming fronts where the air masses meet. As the cyclone moves eastward, the cold front typically advances faster than the storm itself and eventually catches up to the warm front. Meteograms are charts that plot changes in weather conditions over time and can clearly show the passing of fronts and associated changes in temperature, wind, precipitation and other conditions.
Ch06
The document discusses atmospheric moisture and its impacts. It describes the hydrologic cycle which governs the movement of water across Earth. Water exists in three phases - solid, liquid, and gas - and undergoes phase changes through processes like evaporation, condensation, and sublimation. Various measures of humidity quantify the amount of water vapor in air, including relative humidity. Clouds form through condensation and influence climate. Precipitation forms through processes like collision-coalescence and the Bergeron process. Global precipitation patterns are uneven, with wet tropical regions and dry deserts.
Recommended
7
This chapter discusses air masses and weather systems. It describes the major air masses that affect weather in different regions, including maritime tropical (mT), continental polar (cP), and continental arctic (cA). Fronts are boundaries between differing air masses, such as cold fronts and warm fronts. Mid-latitude cyclones form in zones of clash between polar and subtropical air masses, bringing variable weather. Other atmospheric disturbances discussed include hurricanes, thunderstorms, tornadoes, blizzards, and tropical waves. Modern weather forecasting utilizes Doppler radar, satellites, and high-speed computing.
Ch05
This chapter discusses atmospheric pressure and wind. It describes how pressure and wind impact the landscape and explains the nature of atmospheric pressure and wind patterns. The key components of the general circulation are outlined, including Hadley cells, trade winds, the ITCZ, westerlies, and polar cells. Seasonal variations and localized wind systems are also covered, along with phenomena like monsoons, El Niño, and other multi-year cycles.
17
This chapter discusses fluvial processes and landforms created by flowing water. It covers topics like surface runoff, stream systems, drainage basins, stream discharge, erosion and transportation of sediment, channel patterns, and landforms created in different parts of the stream course. It also addresses human impacts like flooding hazards and the importance of surface waters for transportation, agriculture, and water supply.
14
This chapter discusses volcanic and tectonic landforms and processes. It describes different types of volcanic eruptions and the resulting landforms such as lava flows, shield volcanoes, cinder cones and composite cones. It also discusses tectonic forces that shape the landscape, including folding, faulting and rifting. Earthquakes are examined as evidence of present-day tectonic activity, and methods for measuring their magnitude and intensity are outlined. Hazards posed by large earthquakes are also highlighted.
Ch08
The document discusses climate classification and climate change. It describes the six primary climate groups classified by the Köppen system based on temperature and precipitation. These include tropical humid climates, dry climates, mild midlatitude climates, severe midlatitude climates, polar climates, and highland climates. Paleoclimatology methods are used to study past climate changes. Factors influencing long-term climate change include greenhouse gases, solar output, and ocean currents. Evidence suggests the Earth is currently undergoing global warming due to increased carbon dioxide from human activities.
Ch15
The document discusses the processes of weathering, mass wasting, and erosion. It explains that weathering breaks down bedrock and opens fissures through various mechanical, chemical, and biological agents. Mass wasting then transports this loosened material downslope through falling, sliding, flowing, or creeping. These preliminaries to erosion dramatically reshape landscapes over time.
Midlatitude cyclones
Midlatitude cyclones are large low pressure storm systems that form in the midlatitudes. They develop as warm and cold air masses converge, forming fronts where the air masses meet. As the cyclone moves eastward, the cold front typically advances faster than the storm itself and eventually catches up to the warm front. Meteograms are charts that plot changes in weather conditions over time and can clearly show the passing of fronts and associated changes in temperature, wind, precipitation and other conditions.
Ch06
The document discusses atmospheric moisture and its impacts. It describes the hydrologic cycle which governs the movement of water across Earth. Water exists in three phases - solid, liquid, and gas - and undergoes phase changes through processes like evaporation, condensation, and sublimation. Various measures of humidity quantify the amount of water vapor in air, including relative humidity. Clouds form through condensation and influence climate. Precipitation forms through processes like collision-coalescence and the Bergeron process. Global precipitation patterns are uneven, with wet tropical regions and dry deserts.
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.1 DR...
A presentation of the first subchapter (Drainage Basin Systems) from the first chapter (Hydrology and Fluvial Geomorphology) of Revision for Geography AS Cambridge exam.
5
1) Atmospheric pressure variations create wind and circulation patterns as air moves from high to low pressure areas.
2) Temperature differences cause horizontal variations in pressure, with warm air rising at the equator creating low pressure and cold air sinking at the poles creating high pressure.
3) Winds are deflected to the right in the northern hemisphere due to the Coriolis effect.
A2 Physical Geography - Hot arid and Semi Arid Environment
The document discusses several key points about deserts and their formation:
1. Ocean currents play a major role in creating arid conditions in coastal deserts by lowering temperatures and reducing precipitation. The cold Benguela and Peruvian currents cause aridity in the Namib and Atacama deserts.
2. Other factors that contribute to desertification include high pressure systems, mountains that create rain shadows, and distance from the ocean. The Himalayas and Andes cause rain shadows in the Thar and Patagonia deserts.
3. Various landforms are shaped by wind and water processes in arid environments, including yardangs, zeugens, and alluvial fans.
Fronts
Fronts are boundaries between two air masses of differing characteristics. There are four main types of fronts: cold fronts, warm fronts, occluded fronts, and stationary fronts. Cold fronts are steep boundaries where cold air overrides warm air, bringing precipitation. Warm fronts are more gradual, with light, continuous precipitation as warm air rises over cold air. Occluded fronts occur when a cold front catches up to a warm front. Stationary fronts have little or no movement as the air masses are parallel.
Wind
Wind is the moving air masses due to the earth’s unequal surface heating because of its angular tilt.
CAMBRIDGE AS GEOGRAPHY REVISION: ATMOSPHERE AND WEATHER - 2.2 THE GLOBAL ENER...
A comprehensive presentation of subchapter 2.2 The Global Energy Budget, from the second chapter of Physical Geography, AS Cambridge, Atmosphere and Weather.
CAMBRIDGE GEOGRAPHY AS EXTRA REVISION - EXAM STYLE QUESTIONS 1 - HYDROLOGY AN...
The document contains exam style questions on hydrology and fluvial geomorphology. Section A asks students to define the hydrological cycle, draw a diagram showing its stores and flows, and outline how human activities have modified it. Section B asks students to describe how rivers carry sediment loads, explain river erosion processes, illustrate how waterfalls and oxbows are formed with diagrams, and provide examples of how human activities increase flooding risks.
Ch04
This document summarizes concepts related to insolation and temperature on Earth's landscape. It discusses how temperature affects living and nonliving things, the forms of energy from the sun, and the processes by which heat is transferred within the atmosphere and oceans. These include radiation, conduction, convection, and the greenhouse effect. It also addresses global patterns in temperature, factors influencing these patterns like latitude and land-water distribution, and concerns about rising global temperatures due to increased carbon dioxide in the atmosphere.
A2 CAMBRIDGE GEOGRAPHY: HAZARDOUS ENVIRONMENTS - HAZARDS RESULTING FROM TECTO...
A2 CAMBRIDGE GEOGRAPHY: HAZARDOUS ENVIRONMENTS - HAZARDS RESULTING FROM TECTONIC PROCESSES. It contains: earthquakes, volcanoes, tsunamis.
Jet stream
It contains:
Causes of Jet Stream
Affects of Jet Stream
Affect on Indian Climate
Facts about jet stream
Changes in rainfall pattern
Rainfall patterns vary by region and have changed in recent times due to global warming and rising temperature differences between hemispheres. Rainfall patterns are calculated based on daily, weekly, monthly, or annual rainfall totals and differ between locations. For example, the heavy rain received in Pune last week would have been unusual 150 years ago in late November.
Cycle of erosion
The document describes William Morris Davis' geographical cycle of erosion, which outlines the evolution of landforms over time through three main stages: youth, mature, and old. The cycle begins with the uplift of a landmass, initiating rapid erosion during the youthful stage as rivers deepen valleys. In the mature stage, erosion shifts to lateral widening of valleys as gradients decrease. Finally, in the old stage valleys become flat as erosion slows, resulting in a peneplain landscape. The cycle may be rejuvenated by drops in sea level or renewed uplift restarting the erosion process.
Glaciers
The document describes glaciers and periglacial landforms and processes. It defines different types of glaciers and explains glacial processes like formation, movement, erosion, transportation and deposition. This creates landforms like moraines, drumlins and eskers. Periglacial landscapes lacking glacial ice are also described, featuring permafrost and patterned ground. The Pleistocene epoch is summarized, noting continental glaciation, sea level changes, and paleoclimate studies of past climate variations.
Fluvial Geomorphology
This document discusses fluvial landscapes and processes. It begins by defining base level as the lowest level a river can erode down to, which is ultimately sea level. It then describes how above base level, rivers engage in downcutting and have more energy for erosion. Closer to base level, rivers meander laterally and deposit material. Common landforms include meandering streams, floodplains, deltas, and entrenched meanders formed by tectonic uplift. The document also discusses drainage patterns, watersheds, stream flow, fluvial processes of erosion and deposition, and flooding events.
Floodplain presentation
Presentation about floodplain creation and all related processes to it. Provides valuable information for A-level Geography Students.
Air Pressure and Winds
The document discusses air pressure and winds, including how air pressure is measured, how it varies with altitude and due to other factors, the forces that affect wind including pressure gradients, Coriolis force and friction, different wind patterns at various altitudes and at the surface, how winds generate vertical air motion, and how wind is measured. It provides details on these topics over several sections and pages with diagrams.
Delta formation
The document discusses different types of river deltas, which are areas of sediment deposited at river mouths where flowing water enters a slower body of water. Deltas form when the river's sediment load deposition rate exceeds the erosion rate in areas where rivers discharge into seas or lakes with little wave action. Common delta types include arcuate deltas with rounded edges, cuspate deltas resembling teeth, and bird's foot deltas with many branching sediment-bounded channels fanning out.
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.3 RI...
A presentation of the third subchapter (River Channel Processes) from the first chapter (Hydrology and Fluvial Geomorphology) of Revision for Geography AS Cambridge exam.
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.4 HU...
1. The document discusses key terms and definitions related to hydrology and fluvial geomorphology such as abstraction, bankfull stage, channelization, discharge, drainage basin, and floodplain.
2. It also discusses the impact of human activity on various components of the hydrological cycle including precipitation, evaporation, runoff, infiltration and groundwater stores.
3. Large dams and urbanization are highlighted as human activities that can seriously affect floods and river flows by changing infiltration, storage and flow rates.
A2 CAMBRIDGE GEOGRAPHY: COASTAL ENVIRONMENTS - WAVE, MARINE AND SUB-AERIAL PR...
A2 CAMBRIDGE GEOGRAPHY: COASTAL ENVIRONMENTS - WAVE, MARINE AND SUB-AERIAL PROCESSES. An overall presentation of the first sub-chapter of Coastal Environments chapter.
Revise Glaciation
The document provides information about glacial landforms formed by glacial erosion and deposition. It describes how glaciers erode the underlying landscape to form characteristic U-shaped valleys with steep sides and flat floors. It also explains how glacial erosion forms other landforms like corries (cirques), arêtes (sharp ridges), and pyramidal peaks. Glacial deposition leaves behind landforms like moraines, drumlins, and outwash plains formed from sediments.
Glaciers
1. Glaciers are thick masses of ice that slowly flow downhill under their own weight. They help shape landscapes through erosion and deposition. The two main types are valley glaciers and ice sheets. Greenland and Antarctica have massive ice sheets.
2. Glaciers move via plastic flow and basal sliding. They accumulate ice in the accumulation zone and lose ice in the ablation zone, through melting and calving of icebergs.
3. Glaciers erode bedrock through plucking and abrasion, grinding rock into fine flour-like sediment.
More Related Content
What's hot
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.1 DR...
A presentation of the first subchapter (Drainage Basin Systems) from the first chapter (Hydrology and Fluvial Geomorphology) of Revision for Geography AS Cambridge exam.
5
1) Atmospheric pressure variations create wind and circulation patterns as air moves from high to low pressure areas.
2) Temperature differences cause horizontal variations in pressure, with warm air rising at the equator creating low pressure and cold air sinking at the poles creating high pressure.
3) Winds are deflected to the right in the northern hemisphere due to the Coriolis effect.
A2 Physical Geography - Hot arid and Semi Arid Environment
The document discusses several key points about deserts and their formation:
1. Ocean currents play a major role in creating arid conditions in coastal deserts by lowering temperatures and reducing precipitation. The cold Benguela and Peruvian currents cause aridity in the Namib and Atacama deserts.
2. Other factors that contribute to desertification include high pressure systems, mountains that create rain shadows, and distance from the ocean. The Himalayas and Andes cause rain shadows in the Thar and Patagonia deserts.
3. Various landforms are shaped by wind and water processes in arid environments, including yardangs, zeugens, and alluvial fans.
Fronts
Fronts are boundaries between two air masses of differing characteristics. There are four main types of fronts: cold fronts, warm fronts, occluded fronts, and stationary fronts. Cold fronts are steep boundaries where cold air overrides warm air, bringing precipitation. Warm fronts are more gradual, with light, continuous precipitation as warm air rises over cold air. Occluded fronts occur when a cold front catches up to a warm front. Stationary fronts have little or no movement as the air masses are parallel.
Wind
Wind is the moving air masses due to the earth’s unequal surface heating because of its angular tilt.
CAMBRIDGE AS GEOGRAPHY REVISION: ATMOSPHERE AND WEATHER - 2.2 THE GLOBAL ENER...
A comprehensive presentation of subchapter 2.2 The Global Energy Budget, from the second chapter of Physical Geography, AS Cambridge, Atmosphere and Weather.
CAMBRIDGE GEOGRAPHY AS EXTRA REVISION - EXAM STYLE QUESTIONS 1 - HYDROLOGY AN...
The document contains exam style questions on hydrology and fluvial geomorphology. Section A asks students to define the hydrological cycle, draw a diagram showing its stores and flows, and outline how human activities have modified it. Section B asks students to describe how rivers carry sediment loads, explain river erosion processes, illustrate how waterfalls and oxbows are formed with diagrams, and provide examples of how human activities increase flooding risks.
Ch04
This document summarizes concepts related to insolation and temperature on Earth's landscape. It discusses how temperature affects living and nonliving things, the forms of energy from the sun, and the processes by which heat is transferred within the atmosphere and oceans. These include radiation, conduction, convection, and the greenhouse effect. It also addresses global patterns in temperature, factors influencing these patterns like latitude and land-water distribution, and concerns about rising global temperatures due to increased carbon dioxide in the atmosphere.
A2 CAMBRIDGE GEOGRAPHY: HAZARDOUS ENVIRONMENTS - HAZARDS RESULTING FROM TECTO...
A2 CAMBRIDGE GEOGRAPHY: HAZARDOUS ENVIRONMENTS - HAZARDS RESULTING FROM TECTONIC PROCESSES. It contains: earthquakes, volcanoes, tsunamis.
Jet stream
It contains:
Causes of Jet Stream
Affects of Jet Stream
Affect on Indian Climate
Facts about jet stream
Changes in rainfall pattern
Rainfall patterns vary by region and have changed in recent times due to global warming and rising temperature differences between hemispheres. Rainfall patterns are calculated based on daily, weekly, monthly, or annual rainfall totals and differ between locations. For example, the heavy rain received in Pune last week would have been unusual 150 years ago in late November.
Cycle of erosion
The document describes William Morris Davis' geographical cycle of erosion, which outlines the evolution of landforms over time through three main stages: youth, mature, and old. The cycle begins with the uplift of a landmass, initiating rapid erosion during the youthful stage as rivers deepen valleys. In the mature stage, erosion shifts to lateral widening of valleys as gradients decrease. Finally, in the old stage valleys become flat as erosion slows, resulting in a peneplain landscape. The cycle may be rejuvenated by drops in sea level or renewed uplift restarting the erosion process.
Glaciers
The document describes glaciers and periglacial landforms and processes. It defines different types of glaciers and explains glacial processes like formation, movement, erosion, transportation and deposition. This creates landforms like moraines, drumlins and eskers. Periglacial landscapes lacking glacial ice are also described, featuring permafrost and patterned ground. The Pleistocene epoch is summarized, noting continental glaciation, sea level changes, and paleoclimate studies of past climate variations.
Fluvial Geomorphology
This document discusses fluvial landscapes and processes. It begins by defining base level as the lowest level a river can erode down to, which is ultimately sea level. It then describes how above base level, rivers engage in downcutting and have more energy for erosion. Closer to base level, rivers meander laterally and deposit material. Common landforms include meandering streams, floodplains, deltas, and entrenched meanders formed by tectonic uplift. The document also discusses drainage patterns, watersheds, stream flow, fluvial processes of erosion and deposition, and flooding events.
Floodplain presentation
Presentation about floodplain creation and all related processes to it. Provides valuable information for A-level Geography Students.
Air Pressure and Winds
The document discusses air pressure and winds, including how air pressure is measured, how it varies with altitude and due to other factors, the forces that affect wind including pressure gradients, Coriolis force and friction, different wind patterns at various altitudes and at the surface, how winds generate vertical air motion, and how wind is measured. It provides details on these topics over several sections and pages with diagrams.
Delta formation
The document discusses different types of river deltas, which are areas of sediment deposited at river mouths where flowing water enters a slower body of water. Deltas form when the river's sediment load deposition rate exceeds the erosion rate in areas where rivers discharge into seas or lakes with little wave action. Common delta types include arcuate deltas with rounded edges, cuspate deltas resembling teeth, and bird's foot deltas with many branching sediment-bounded channels fanning out.
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.3 RI...
A presentation of the third subchapter (River Channel Processes) from the first chapter (Hydrology and Fluvial Geomorphology) of Revision for Geography AS Cambridge exam.
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.4 HU...
1. The document discusses key terms and definitions related to hydrology and fluvial geomorphology such as abstraction, bankfull stage, channelization, discharge, drainage basin, and floodplain.
2. It also discusses the impact of human activity on various components of the hydrological cycle including precipitation, evaporation, runoff, infiltration and groundwater stores.
3. Large dams and urbanization are highlighted as human activities that can seriously affect floods and river flows by changing infiltration, storage and flow rates.
A2 CAMBRIDGE GEOGRAPHY: COASTAL ENVIRONMENTS - WAVE, MARINE AND SUB-AERIAL PR...
A2 CAMBRIDGE GEOGRAPHY: COASTAL ENVIRONMENTS - WAVE, MARINE AND SUB-AERIAL PROCESSES. An overall presentation of the first sub-chapter of Coastal Environments chapter.
What's hot (20)
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.1 DR...
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.1 DR...
A2 Physical Geography - Hot arid and Semi Arid Environment
A2 Physical Geography - Hot arid and Semi Arid Environment
CAMBRIDGE AS GEOGRAPHY REVISION: ATMOSPHERE AND WEATHER - 2.2 THE GLOBAL ENER...
CAMBRIDGE AS GEOGRAPHY REVISION: ATMOSPHERE AND WEATHER - 2.2 THE GLOBAL ENER...
CAMBRIDGE GEOGRAPHY AS EXTRA REVISION - EXAM STYLE QUESTIONS 1 - HYDROLOGY AN...
CAMBRIDGE GEOGRAPHY AS EXTRA REVISION - EXAM STYLE QUESTIONS 1 - HYDROLOGY AN...
A2 CAMBRIDGE GEOGRAPHY: HAZARDOUS ENVIRONMENTS - HAZARDS RESULTING FROM TECTO...
A2 CAMBRIDGE GEOGRAPHY: HAZARDOUS ENVIRONMENTS - HAZARDS RESULTING FROM TECTO...
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.3 RI...
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.3 RI...
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.4 HU...
CAMBRIDGE AS GEOGRAPHY REVISION: HYDROLOGY AND FLUVIAL GEOMORPHOLOGY - 1.4 HU...
A2 CAMBRIDGE GEOGRAPHY: COASTAL ENVIRONMENTS - WAVE, MARINE AND SUB-AERIAL PR...
A2 CAMBRIDGE GEOGRAPHY: COASTAL ENVIRONMENTS - WAVE, MARINE AND SUB-AERIAL PR...
Similar to 19
Revise Glaciation
The document provides information about glacial landforms formed by glacial erosion and deposition. It describes how glaciers erode the underlying landscape to form characteristic U-shaped valleys with steep sides and flat floors. It also explains how glacial erosion forms other landforms like corries (cirques), arêtes (sharp ridges), and pyramidal peaks. Glacial deposition leaves behind landforms like moraines, drumlins, and outwash plains formed from sediments.
Glaciers
1. Glaciers are thick masses of ice that slowly flow downhill under their own weight. They help shape landscapes through erosion and deposition. The two main types are valley glaciers and ice sheets. Greenland and Antarctica have massive ice sheets.
2. Glaciers move via plastic flow and basal sliding. They accumulate ice in the accumulation zone and lose ice in the ablation zone, through melting and calving of icebergs.
3. Glaciers erode bedrock through plucking and abrasion, grinding rock into fine flour-like sediment.
Glaciers (teach)
Glaciers form when more snow accumulates each year than melts, compressing into thick sheets of ice that slowly flow downhill due to their mass. There are two types of glaciers: continental glaciers that form over large areas near poles, and mountain glaciers that form near mountaintops. Glaciers shape landscapes through erosion, gouging out valleys and depositing debris in moraines as they recede.
Glacial Erosion
Comprehensive powerpoint on features of Glacial Erosion.
Introduction to Glaciers and Ice, plucking, abrasion and freeze-thaw, followed by descriptions and photographs of:
Corries
Aretes
Pyramidal Peaks
U-Shaped Valleys
Hanging Valleys
Truncated Spurs
Ribbon Lakes
Ch19
Glaciers significantly modify landscapes through erosion as ice mass moves and grinds the underlying terrain. During the Pleistocene ice age, approximately one third of the earth's land was covered in ice sheets. Glaciers form from accumulated snow transforming into ice under pressure and move via sliding and basal slip, aided by meltwater. Their erosive work includes quarrying, abrasion, and plucking of material which is then transported and deposited by the glacier or in meltwater landforms. Continental ice sheets and mountain glaciers each produce distinct landforms through these glacial processes. The causes of past ice ages like the Pleistocene remain theorized but likely involve changes in climate and atmospheric conditions.
Landforms unit 11
This document provides an overview of different types of landforms and the geological processes that form them. It discusses lithological landforms such as volcanic features like lava fields, craters, and plateaus. Karst landforms like caves and stalactites/stalagmites are formed by the dissolution of limestone. Climate landforms include glacial features from alpine glaciers and periglacial features in dry temperate zones. Structural landforms are related to rock structures. Coastal landforms result from erosion and deposition by sea processes and include cliffs, arches, lagoons, and marshes. For each landform type, examples of specific features are given along with the geological agents and processes responsible
Glaciers
Meaning and formation of glaciers along with their impact and interaction with the environment such as erosion, transportation and deposition.
Sample Environmental Events Log Entries Ocean Acidific.docx
The document contains summaries of multiple articles and studies related to environmental events:
1) Ocean acidification is increasing as the ocean absorbs more carbon dioxide from the atmosphere at unprecedented rates, threatening calcifying organisms.
2) A NASA expedition is studying how ocean salinity relates to climate change and how it can provide insights into rainfall patterns and fluctuations in the water cycle.
3) A study found that Arctic winds have changed direction, transporting warmer air into the Arctic and contributing to record ice loss in recent years with potential impacts on Northern hemisphere climate.
Glaciation
Glaciation features such as corries, aretes, pyramidal peaks, glacial troughs, ribbon lakes, hanging valleys, truncated spurs, boulder clay/till, moraines and drumlins are formed by the glacial erosion processes of freeze-thaw weathering, abrasion, and plucking. Upland glaciated areas are used for farming, forestry, and tourism, but these human uses can cause conflicts over land management with environmental and social issues. Case studies of specific glaciated regions help explain these issues.
Glacial environment
This document summarizes key aspects of glacial environments and glacial landforms. It describes how snow accumulates over time to form glacial ice, and the different zones within glaciers. It also discusses the two main types of glaciers - mountain/alpine glaciers and continental ice sheets - and how they form and move. The document outlines various erosional landforms created by glaciers such as cirques, arêtes, and U-shaped valleys. It also describes depositional features including moraines, eskers, kames, and drumlins. In summary, the document provides an overview of glacial formation, movement, erosion processes, and resulting landforms.
Lect10 chap12 climate
Glaciers are large, long-lasting masses of ice that form on land and move downhill due to gravity. They are part of Earth's hydrosphere and contain about 75% of the fresh water on the planet. Glaciers erode the underlying rock surface through plucking and abrasion, creating characteristic U-shaped valleys and other erosional landscapes. As they move, glaciers also deposit unsorted sediment in the form of moraines, till, and outwash plains.
slide 4.ppt
1. Glaciers are large, long-lasting masses of ice that form on land and move downhill due to gravity. They are part of Earth's hydrosphere and cryosphere.
2. Glaciers erode the underlying landscape through plucking and abrasion, forming features like U-shaped valleys, cirques, and arêtes. They deposit unsorted sediment in the form of moraines, outwash plains, and other landforms.
3. Past glaciation, such as the most recent ice age, had significant direct and indirect impacts on North America including stripping soil and sediment, excavating lake basins, and forming recessional moraine sets and flood features. Evidence of even older
Chapter 12 graphics- glaciers (1) [Autosaved].ppt
a long, narrow inlet with steep sides or cliffs, created by a glacier.Fjords
ridge of a mountain that protrudes from an ice field or glacier that otherwise covers most of the mountain ...Nunatak
Periglacial' describes a landscape that undergoes seasonal freezing and thawing, typically on the fringes of past and present glaciated regions.
Glacial processes and their land forms.
Glaciers are masses of ice that move due to gravity. They erode the landscape through abrasion and plucking, and transport material large distances. Glaciers deposit this material as till or outwash. Glacial processes form characteristic landforms such as cirques, arêtes, and u-shaped valleys through erosion and landforms like moraines and eskers through deposition. Glacial lakes are also left behind when a glacier melts.
Glaciers
This lecture will give you a brief introduction to glaciers and helps you to better understand the glaciers.
Deposition from Melt Waters, Late-Glacial and Postglacial Phenomena.pdf
The document discusses glacial and postglacial landforms caused by meltwater from glaciers. As glaciers melt, they deposit sediments in characteristic landforms such as moraines, eskers, and kames. Postglacially, melting ice sheets caused sea levels to fluctuate as land rose, leaving raised beaches and terraces. Seasonal meltwater also formed varved clays in lakes.
Deposition from Melt Waters, Late-Glacial and Postglacial Phenomena.pdf
The document discusses glacial and postglacial landforms caused by meltwater from glaciers. As glaciers melt, they deposit sediments in characteristic landforms such as moraines, eskers, and kames. Postglacially, melting ice sheets caused sea levels to fluctuate as land rose, leaving raised beaches and terraces. Seasonal meltwater also formed varved clays in lakes.
Ahmad glacier
Glaciers form from compacted snow and ice in areas where snowfall exceeds melting. They are large masses of ice that flow due to basal slip and plastic deformation. There are two main types of glaciers - ice sheets that form over large land areas, and valley glaciers that form in mountainous regions. Glaciers erode land and leave behind features like U-shaped valleys, cirques, and moraines as they advance and retreat over time.
Revision Document - Glaciation
Glaciation in upland areas has created landforms like corries, arêtes, and pyramidal peaks through freeze-thaw weathering and erosion by glaciers. Glaciers carved out U-shaped valleys and left behind landforms like hanging valleys, truncated spurs, and ribbon lakes. Glacial deposition formed features such as drumlins, moraines, and boulder clay. Upland glaciated areas are used for marginal farming, forestry, and tourism, but management is needed to address issues from overuse, like erosion, and conflicts between different user groups.
Revision Document - Glaciation
Glaciation in upland areas has created landforms like corries, arêtes, and pyramidal peaks through freeze-thaw weathering and erosion by glaciers. Glaciers carved out U-shaped valleys and left behind landforms like hanging valleys, truncated spurs, and ribbon lakes. Glacial deposition formed features such as drumlins, moraines, and boulder clay. Upland glaciated areas are used for marginal farming, forestry, and tourism, but management is needed to address issues from overuse, like erosion, and conflicts between different user groups.
Similar to 19 (20)
Sample Environmental Events Log Entries Ocean Acidific.docx
Sample Environmental Events Log Entries Ocean Acidific.docx
Deposition from Melt Waters, Late-Glacial and Postglacial Phenomena.pdf
Deposition from Melt Waters, Late-Glacial and Postglacial Phenomena.pdf
Deposition from Melt Waters, Late-Glacial and Postglacial Phenomena.pdf
Deposition from Melt Waters, Late-Glacial and Postglacial Phenomena.pdf
More from lschmidt1170
How did the magna carta influence the united states bill of rights
How did the magna carta influence the united states bill of rights
Sustainable development goals
The document discusses the Sustainable Development Goals (SDGs) created by the United Nations in 2015. The 17 goals aim to eliminate poverty, hunger, disease, and climate change by 2030. Progress has already been made in reducing poverty, hunger, and disease in recent decades. The UNDP works with countries around the world to achieve the ambitious goals by 2030.
What is the magna carta and why there is a google doodle telegraph
What is the magna carta and why there is a google doodle telegraph
Universal declaration of human rights
This document is the illustrated edition of the Universal Declaration of Human Rights published by the United Nations in several languages. It was created through a partnership between artist Yacine Ait Kaci, the UN Regional Information Centre, and the UN High Commissioner for Human Rights. The drawings in the edition are copyrighted but the text can be reproduced and translated freely provided the UN emblem is removed and proper credits are included.
Magna carta and the law of nature
This document discusses a lecture given by Richard H. Helmholz on the topic of Magna Carta and the law of nature. The lecture explores possible connections between Magna Carta, which was enacted in 1215, and principles of natural law as understood at that time and for centuries afterward. While recent scholarship has been skeptical of portraying Magna Carta as guaranteeing broad human rights or natural law, the lecture examines whether the enactment of Magna Carta could be connected to contemporary understandings of justice and natural law. The lecture acknowledges limitations in proving conclusions definitively but aims to reasonably infer connections from evidence in Magna Carta's clauses based on natural law perspectives current at the time, rather than an
King john the most evil monarch in britain's history telegraph
King john the most evil monarch in britain's history telegraph
How did the magna carta influence the united states bill of rights
How did the magna carta influence the united states bill of rights
Constitution billofrightsfacts
James Madison proposed the Bill of Rights in response to calls for more protections of basic liberties in the newly ratified Constitution. The first ten amendments were ratified in 1791 and guarantee freedoms like speech, religion, press, trial rights, search and seizure protections, and the right to bear arms. The Bill of Rights plays a central role in American law and government and protects fundamental rights and values of the nation.
Feudal strength! henry ii and the struggle for royal control in
Henry II faced the challenge of reasserting royal authority over powerful feudal barons who had gained influence and control over lands during the chaotic reign of King Stephen. Henry worked to curb the barons' power by destroying unauthorized castles and establishing a centralized system of common law with the crown at its head. Through military prowess and administrative reforms, Henry was largely successful in reclaiming royal power, expanding the authority of the monarchy in legal matters and its relationship with the church. However, the difficulties of controlling a vast feudal empire remained immense for even a skilled ruler like Henry.
Constitution
The Constitution establishes the legislative branch of the US government, known as Congress, which is made up of the Senate and House of Representatives. It outlines the composition and election process for both chambers, as well as their powers and responsibilities. These include the ability to create laws, approve the federal budget, declare war, and impeach and remove the president or other federal officials from office. The Constitution also establishes the basic framework for how legislation is passed and how the executive branch, through the president, can veto bills.
Bill of rights
The document summarizes the Bill of Rights, which was ratified on December 15, 1791. It outlines the first ten amendments to the US Constitution, which aim to protect individual liberties and limit the powers of the federal government. The amendments establish protections for freedoms of religion, speech, press, assembly, gun ownership, due process, fair trials, and prohibit cruel and unusual punishment. They also reserve powers not delegated to the federal government to the states and people.
Denis haley catherine douglas geneaology 1793 to 1989
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
Na map 1 with terms
This document lists various human features including states, provinces, cities, water features like rivers and lakes, and landforms found in Eastern North America. It includes 24 US states and provinces and over 50 cities located within them. The water features section lists 9 rivers, 5 bays/other bodies of water, and 5 Great Lakes. The landforms section names 7 islands and 5 mountain ranges as well as 3 peninsulas in the region.
Introfall 2016 14week
This document provides information about a 14-week online physical geography course taught by Professor Lisa Schmidt. The course will cover basic elements of geography including climate, landforms, water, soils, plants and animals. Students will study these topics and their global patterns. Assignments include weekly discussions, chapter quizzes, map quizzes and four exams. The course aims to give students an understanding of the earth's physical systems and human relationships with the environment.
Intro fall 2016 geog lab
This document provides information for a geography lab course including:
- Details about the instructor, their contact information, office hours and the class schedule.
- Prerequisites, required textbooks and additional materials needed for the course.
- The student learning outcomes and course objectives focused on understanding physical geography concepts.
- Expectations for labs, exams, grading criteria and policies on absences, tardiness, disruptions and academic honesty.
- Resources available to support student success and an overview of what geography is as a field of study.
Fall 2016 intro wed
This document provides an overview and syllabus for a physical geography course. It outlines that students will learn about the basic elements of geography, including climate, landforms, water, soils, plants and animals. They will examine the relationships between these elements and their worldwide distribution patterns. The course will cover four environmental spheres - the atmosphere, hydrosphere, lithosphere and biosphere. Students will take exams, quizzes on textbook chapters and maps, and do a presentation on a physical geography topic. The syllabus details course policies on grading, attendance and academic honesty.
Fall 2016 intro mon
This document provides an overview of a physical geography course. It outlines the course objectives which are to introduce students to basic concepts in physical geography including the four environmental spheres of atmosphere, hydrosphere, lithosphere, and biosphere. It details required textbooks, exams, quizzes, assignments, and presentations for the course. Students are expected to demonstrate understanding of geographic concepts and the distribution of natural phenomena through map studies. The syllabus emphasizes academic honesty and provides contact information for the professor.
More from lschmidt1170 (20)
How did the magna carta influence the united states bill of rights
How did the magna carta influence the united states bill of rights
What is the magna carta and why there is a google doodle telegraph
What is the magna carta and why there is a google doodle telegraph
King john the most evil monarch in britain's history telegraph
King john the most evil monarch in britain's history telegraph
How did the magna carta influence the united states bill of rights
How did the magna carta influence the united states bill of rights
Feudal strength! henry ii and the struggle for royal control in
Feudal strength! henry ii and the struggle for royal control in
Denis haley catherine douglas geneaology 1793 to 1989
Denis haley catherine douglas geneaology 1793 to 1989
Recently uploaded
Geography as a Discipline Chapter 1 __ Class 11 Geography NCERT _ Class Notes...
Geography as discipline
HYPERTENSION - SLIDE SHARE PRESENTATION.
IT WILL BE HELPFULL FOR THE NUSING STUDENTS
IT FOCUSED ON MEDICAL MANAGEMENT AND NURSING MANAGEMENT.
HIGHLIGHTS ON HEALTH EDUCATION.
Gender and Mental Health - Counselling and Family Therapy Applications and In...
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 8 - CẢ NĂM - FRIENDS PLUS - NĂM HỌC 2023-2024 (B...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 8 - CẢ NĂM - FRIENDS PLUS - NĂM HỌC 2023-2024 (B...Nguyen Thanh Tu Collection
https://app.box.com/s/nrwz52lilmrw6m5kqeqn83q6vbdp8yzpBPSC-105 important questions for june term end exam
BPSC-105 important questions for june term end exam
CapTechTalks Webinar Slides June 2024 Donovan Wright.pptx
Slides from a Capitol Technology University webinar held June 20, 2024. The webinar featured Dr. Donovan Wright, presenting on the Department of Defense Digital Transformation.
A Visual Guide to 1 Samuel | A Tale of Two Hearts
These slides walk through the story of 1 Samuel. Samuel is the last judge of Israel. The people reject God and want a king. Saul is anointed as the first king, but he is not a good king. David, the shepherd boy is anointed and Saul is envious of him. David shows honor while Saul continues to self destruct.
Accounting for Restricted Grants When and How To Record Properly
In this webinar, member learned how to stay in compliance with generally accepted accounting principles (GAAP) for restricted grants.
How to Fix [Errno 98] address already in use
This slide will represent the cause of the error “[Errno 98] address already in use” and the troubleshooting steps to resolve this error in Odoo.
A Free 200-Page eBook ~ Brain and Mind Exercise.pptx
(A Free eBook comprising 3 Sets of Presentation of a selection of Puzzles, Brain Teasers and Thinking Problems to exercise both the mind and the Right and Left Brain. To help keep the mind and brain fit and healthy. Good for both the young and old alike.
Answers are given for all the puzzles and problems.)
With Metta,
Bro. Oh Teik Bin 🙏🤓🤔🥰
CHUYÊN ĐỀ ÔN TẬP VÀ PHÁT TRIỂN CÂU HỎI TRONG ĐỀ MINH HỌA THI TỐT NGHIỆP THPT ...
CHUYÊN ĐỀ ÔN TẬP VÀ PHÁT TRIỂN CÂU HỎI TRONG ĐỀ MINH HỌA THI TỐT NGHIỆP THPT ...Nguyen Thanh Tu Collection
https://app.box.com/s/qspvswamcohjtbvbbhjad04lg65waylfPhilippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
(𝐓𝐋𝐄 𝟏𝟎𝟎) (𝐋𝐞𝐬𝐬𝐨𝐧 𝟏)-𝐏𝐫𝐞𝐥𝐢𝐦𝐬
𝐃𝐢𝐬𝐜𝐮𝐬𝐬 𝐭𝐡𝐞 𝐄𝐏𝐏 𝐂𝐮𝐫𝐫𝐢𝐜𝐮𝐥𝐮𝐦 𝐢𝐧 𝐭𝐡𝐞 𝐏𝐡𝐢𝐥𝐢𝐩𝐩𝐢𝐧𝐞𝐬:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
𝐄𝐱𝐩𝐥𝐚𝐢𝐧 𝐭𝐡𝐞 𝐍𝐚𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐒𝐜𝐨𝐩𝐞 𝐨𝐟 𝐚𝐧 𝐄𝐧𝐭𝐫𝐞𝐩𝐫𝐞𝐧𝐞𝐮𝐫:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
NIPER 2024 MEMORY BASED QUESTIONS.ANSWERS TO NIPER 2024 QUESTIONS.NIPER JEE 2...
NIPER JEE PYQ
NIPER JEE QUESTIONS
MOST FREQUENTLY ASK QUESTIONS
NIPER MEMORY BASED QUWSTIONS
Recently uploaded (20)
Geography as a Discipline Chapter 1 __ Class 11 Geography NCERT _ Class Notes...
Geography as a Discipline Chapter 1 __ Class 11 Geography NCERT _ Class Notes...
Juneteenth Freedom Day 2024 David Douglas School District
Juneteenth Freedom Day 2024 David Douglas School District
Gender and Mental Health - Counselling and Family Therapy Applications and In...
Gender and Mental Health - Counselling and Family Therapy Applications and In...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 8 - CẢ NĂM - FRIENDS PLUS - NĂM HỌC 2023-2024 (B...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 8 - CẢ NĂM - FRIENDS PLUS - NĂM HỌC 2023-2024 (B...
BPSC-105 important questions for june term end exam
BPSC-105 important questions for june term end exam
CapTechTalks Webinar Slides June 2024 Donovan Wright.pptx
CapTechTalks Webinar Slides June 2024 Donovan Wright.pptx
Accounting for Restricted Grants When and How To Record Properly
Accounting for Restricted Grants When and How To Record Properly
A Free 200-Page eBook ~ Brain and Mind Exercise.pptx
A Free 200-Page eBook ~ Brain and Mind Exercise.pptx
CHUYÊN ĐỀ ÔN TẬP VÀ PHÁT TRIỂN CÂU HỎI TRONG ĐỀ MINH HỌA THI TỐT NGHIỆP THPT ...
CHUYÊN ĐỀ ÔN TẬP VÀ PHÁT TRIỂN CÂU HỎI TRONG ĐỀ MINH HỌA THI TỐT NGHIỆP THPT ...
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
NIPER 2024 MEMORY BASED QUESTIONS.ANSWERS TO NIPER 2024 QUESTIONS.NIPER JEE 2...
NIPER 2024 MEMORY BASED QUESTIONS.ANSWERS TO NIPER 2024 QUESTIONS.NIPER JEE 2...
SWOT analysis in the project Keeping the Memory @live.pptx
SWOT analysis in the project Keeping the Memory @live.pptx
19
- 1. Chapter 19: Glacial Systems and Landforms Physical Geography Ninth Edition Robert E. Gabler James. F. Petersen L. Michael Trapasso Dorothy Sack
- 2. Glacial Systems and Landforms
- 41. Physical Geography End of Chapter 19: Glacial Systems and Landforms
Editor's Notes
- Insert cover image for Chapter 19 (p. 522)
- Insert Figure 19.1
- Insert Figure 19.2
- Insert Figure 19.3
- Insert Figure 19.4
- Insert Figure 19.5
- Insert Figure 19.6
- Insert Figure 19.7
- Insert Figure 19.8 and 19.9
- Insert Figure 19.10
- Insert Figure 19.11
- Insert Figure 19.12
- Insert Figure 19.13
- Insert Figure 19.11
- Insert Figure 19.14
- Insert Figure 19.15
- Insert Figure 19.16
- Insert Figure 19.17a and 19.17b
- Insert Figure 19.17c and 19.17d
- Insert Figure 19.18
- Insert Figure 19.19 and 19.20
- Insert Figure 19.22 and 19.23a
- Insert Figure 19.23b and 19.23c
- Insert Figure 19.25
- Insert Figure 19.26
- Insert Figure 19.27
- Insert Figure 19.28
- Insert Figure 19.30
- Insert Figure 19.31
- Insert Figure 19.32
- Insert Figure 19.33 and 19.34
- Insert Figure 19.35 and 19.36
- Insert Figure 19.36b and 19.37
- Insert Figure 19.38 and 19.39
- Insert Figure 19.40
- Insert Figure 19.41
- Insert Figure 19.42
- Insert Figure 19.43