Himalayan glacier
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Himalayan glaciers are bodies of ice that originated on land from recrystallized snow under certain conditions. The Himalayas contain 15,003 glaciers which are receding faster than any other region in the world. According to scientists from the WGHG and ICSI, if current melting rates continue, Himalayan glaciers will disappear by the year 2035 due to rising temperatures causing the snow and ice to melt more quickly than it can accumulate.
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1. A glacier is a large, long-lasting mass of ice formed on land that masses downhill under its way.
Glacier is part of the earth’s hydrosphere.
Along with the sea, ice glaciers are known as the cryosphere.
2. GROUP OF GLACIER:
They fall into two general groups based on their form size and flow characteristics
3. Alphin glacier that is surrounded by mountains is called an alpine or mountain glacier.
Glaciated valleys are through like U-shaped with board floors and relatively smooth, and steep sides
The valleys may contain littered debris or debris shaped as moraines with a swampy appearance.
There may be taken gouged out of the rocky floor or formed by debris within the valley.
Cirque Glacier: Bowl-like hollow structures are called cirque glaciers. They are formed inside the mountains and tend to move towards the valley. A glacier that forms in a cirque is a cirque glacier. Piedmont Glacier: When the steep valley glaciers spill into flat plains, then a piedmont glacier occurs e.g Malaspina glacier that falls into Yakutat Bay, Alaska. Hanging glacier: When the major valley glacier thins out, that becomes a hanging glacier. Tidewater glaciers: These are valley glaciers that reach the sea, and they provide breeding habitat for seals. These glaciers are the ones that form small icebergs.
4. Continental glaciers are those vast masses of ice sheets covering stretches of land. Such glaciers flow over large areas that are unconfined, where they bury the landscapes underneath
Today, continental glaciers are only present in extreme polar regions: Antarctica and Greenland Historically, continental glaciers also covered large regions of Canada Europe and Asia, and they are responsible for many distinctive topographic features in these regions.
The ice sheet blankets 81% of Greenland and 90% of Antarctica.
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INDIAN STRATIGRAPHY COMPLETE PART 1 FOR GATE NET GSI & IAS EXAM
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Similar to Himalayan glacier
RIVER OF ICE
1. A glacier is a large, long-lasting mass of ice formed on land that masses downhill under its way.
Glacier is part of the earth’s hydrosphere.
Along with the sea, ice glaciers are known as the cryosphere.
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They fall into two general groups based on their form size and flow characteristics
3. Alphin glacier that is surrounded by mountains is called an alpine or mountain glacier.
Glaciated valleys are through like U-shaped with board floors and relatively smooth, and steep sides
The valleys may contain littered debris or debris shaped as moraines with a swampy appearance.
There may be taken gouged out of the rocky floor or formed by debris within the valley.
Cirque Glacier: Bowl-like hollow structures are called cirque glaciers. They are formed inside the mountains and tend to move towards the valley. A glacier that forms in a cirque is a cirque glacier. Piedmont Glacier: When the steep valley glaciers spill into flat plains, then a piedmont glacier occurs e.g Malaspina glacier that falls into Yakutat Bay, Alaska. Hanging glacier: When the major valley glacier thins out, that becomes a hanging glacier. Tidewater glaciers: These are valley glaciers that reach the sea, and they provide breeding habitat for seals. These glaciers are the ones that form small icebergs.
4. Continental glaciers are those vast masses of ice sheets covering stretches of land. Such glaciers flow over large areas that are unconfined, where they bury the landscapes underneath
Today, continental glaciers are only present in extreme polar regions: Antarctica and Greenland Historically, continental glaciers also covered large regions of Canada Europe and Asia, and they are responsible for many distinctive topographic features in these regions.
The ice sheet blankets 81% of Greenland and 90% of Antarctica.
FORMATION AND FLOW:
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Glaciers are large, thick masses of ice formed from compacted snow that accumulates over many years. Glaciers form in areas where snow accumulation exceeds melting. Due to their great mass, glaciers slowly flow downhill like rivers. Glaciers erode the underlying landscape and form characteristic landforms as they advance and retreat. Melting glaciers provide fresh water for many communities but are now threatened by global warming.
Education 87_18G5EC3_2020121104273423.ppt
The document discusses glaciers and glaciation. It describes how glaciers form from compacted snow and flow over land under their own weight. Glaciers cover around 10% of Earth's surface today, occurring in places like Greenland, Antarctica, and mountain ranges. The document outlines different types of glaciers and how glaciers can erode landforms through processes like plucking, abrasion, and bulldozing. Glaciers can deposit sediments in the form of till, outwash, moraines, kames, eskers, and other landforms as they melt. The cyclic advance and retreat of ice sheets over geological time, including multiple glacial and interglacial periods in the Pleistocene
Past and Present Distribution of Ice
1. Ice distribution on Earth has changed over time and varies based on factors like latitude, altitude, and local climate conditions.
2. There are different types of ice masses including ice sheets, ice caps, glaciers, and ice shelves, which vary in size and location.
3. During the last ice age, ice cover was much more extensive, with large ice sheets covering North America and Europe that profoundly shaped the landscape as they advanced and retreated.
Glacial System & Environmental Change in Himalaya : Case studies from Nepal
Glacial systems and associated sedimentation processes are changing due to environmental factors like warming temperatures. This causes glaciers to retreat, exposing more sediment. Glacier retreat also forms new lakes that can flood catastrophically if lake dams fail. Several dangerous glacial lakes in Nepal have been identified and studied, including Imja Lake and Tsho Rolpa Lake, which have had water levels lowered to mitigate flood risks. Slope movements also increase hazards and were exacerbated by the 2015 Gorkha earthquake in Nepal. Monitoring, mapping, and risk reduction measures help manage these glacial and paraglacial hazards.
Geological features of ice
Glaciers are masses of ice that flow over land under their own weight. They currently exist in Greenland, Antarctica, and mountain ranges. Glaciers are important for understanding past climate changes as they are sensitive to small changes in temperature and precipitation. During glacial periods, large ice sheets covered vast areas of the Earth's surface. Glaciers erode and transport material, depositing it in distinctive landforms like moraines, eskers, and drumlins. The cyclic growth and decay of glaciers over the past few million years, known as glacial and interglacial periods, has significantly impacted the Earth's landscape and climate.
Lesson 2 past and present distribution of ice
Glaciers are sensitive indicators of climate change as they advance and retreat in response to temperature fluctuations. In the past, during the Pleistocene epoch, ice coverage was around 3 times greater than today. The largest ice sheets were located in Antarctica, Greenland, North America, and Scandinavia. Glaciers exist in both polar and mountainous regions due to factors like latitude, which influences solar radiation levels, and altitude, which impacts temperature through the environmental lapse rate. Ice can be classified by size, location, and degree of constraint into different types such as ice sheets, ice caps, valley glaciers, and cirque glaciers.
Glacial ice powerpoint
Glacial ice is the largest reservoir of freshwater on Earth and supports one third of the world's population. Glaciers form on land where snow accumulation exceeds melting. They slowly deform and flow due to their own weight, creating features like crevasses. Glaciers erode the underlying landscape through abrasion and plucking of rock debris. As they carry this debris and later melt, glaciers leave behind landforms such as moraines, eskers, and drumlins that provide evidence of past glacial activity. Glacial periods within ice ages are marked by colder temperatures and advancing glaciers, while interglacials are warmer intervals between them.
Unit III chapter 13 (glaciers and ice ages)
Glaciers cover around 10% of the Earth's land and store 68% of its fresh water. They can be classified by their morphology, such as alpine, ice caps, or continental glaciers, or by their thermal characteristics as temperate or polar. Glaciers slowly move via plastic flow and leave behind landforms from erosion like cirques and deposition like moraines. Periodic ice ages in Earth's history are theorized to be caused by changes in the Earth's orbit and atmosphere. Glaciation had wide-ranging effects on biogeography, hydrology, and landscape formation.
Lesson 11 the threats to glaciated upland landscapes
Glacial environments face many threats. Avalanches are a natural hazard that can become deadly disasters as more people visit glacial areas. Slab avalanches commonly break large sections of snow that can move rapidly. Avalanches kill over 200 people annually. Glacial outburst floods and lahars, like those from volcanoes in Iceland and Colombia, are also highly destructive. Human activity like pollution, tourism, and deforestation further endanger glacial ecosystems. As the climate warms, glaciers are retreating rapidly worldwide, which threatens water supplies for hundreds of millions downstream.
AS Geography (AQA) - Cold Environments
The document discusses different types of cold environments and the factors that cause them to be cold. It explains that environments can be cold due to high latitude, high altitude, or being located inland away from coastal regions. Specific cold environment types discussed include glacial environments, found at high latitudes and altitudes; periglacial environments, found at high latitudes, altitudes, and inland areas; alpine environments, found at high altitudes; and polar environments, found around the North and South Poles.
Glacial Systems
Glacial systems operate similarly to viscous river systems by abrading and plucking sediment from a source area and transporting it to a depositional basin. Glaciers act as conveyor belts, moving large quantities of sediment. Factors like cold temperatures and precipitation are required for ice to accumulate and flow as glaciers. Glaciers essentially function as frozen drainage systems that transport water, sediment, and debris via internal shear and depositional processes from accumulation zones to terminus basins.
Lesson 3 the glacier landform system
Glacial erosion consists of 4 key types: abrasion, plucking, fracture and traction, and dilation. Meltwater can also play a role in erosion. Stresses within a glacier cause glacial erosion. Glaciers will retreat when ablation exceeds accumulation, and advance when accumulation exceeds ablation. The balance between these processes is important for understanding glacier movement and how glaciers respond to environmental changes. Common types of glacial erosion include abrasion, plucking, fracture and traction, dilation, and meltwater erosion.
Glaciers
This lecture will give you a brief introduction to glaciers and helps you to better understand the glaciers.
Erosional glacier landforms; ppt.pptx
Includes all erosional landforms such as cirque, arete, horns, fjord, hanging valley, roche moutonnèe, crag and tail
GLACIATION
This topic is all about Glaciation. This includes; the causes of glaciation, the origin of glaciers, formation, primary types, movement, the erosional, transportation and depositional mechanisms. This also includes the common landforms brought by glaciers.
Rapidly Melting glaciers
Glaciers are melting rapidly due to climate change, threatening water supplies. The Himalayas contain the largest store of glacial ice outside the poles and supply water to over 2 billion people. As glaciers melt, initial floods will be followed by water shortages. Regions heavily dependent on glacial meltwater for agriculture, like parts of South America, are particularly at risk. Wildlife is also threatened by habitat loss as glaciers recede. Water harvesting techniques are helping high-altitude communities adapt to less predictable water availability.
Similar to Himalayan glacier (20)
Glacial System & Environmental Change in Himalaya : Case studies from Nepal
Glacial System & Environmental Change in Himalaya : Case studies from Nepal
Lesson 11 the threats to glaciated upland landscapes
Lesson 11 the threats to glaciated upland landscapes
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Promoting Multilateral Cooperation for Sustainable Peatland management
Presented by Agus Julianto on GLF Peatlands 2024 - 360 Degree Approach to Improving Capacity of Multiple Stakeholders to Manage Peatland Sustainably
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Peatlands of Latin America and the Caribbean
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Enhanced action and stakeholder engagement for sustainable peatland management
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Presented by Jan Peters at GLF Peatlands 2024 - The Global Peatlands Assessment: Mapping, Policy, and ActionWildlife-AnIntroduction.pdf so that you know more about our environment
All about wildlife, if you are fond of animals and wildlife then do follow us for more content like this
Epcon is One of the World's leading Manufacturing Companies.
Epcon is One of the World's leading Manufacturing Companies. With over 4000 installations worldwide, EPCON has been pioneering new techniques since 1977 that have become industry standards now. Founded in 1977, Epcon has grown from a one-man operation to a global leader in developing and manufacturing innovative air pollution control technology and industrial heating equipment.
Climate Change All over the World .pptx
Climate change refers to significant and lasting changes in the average weather patterns over periods ranging from decades to millions of years. It encompasses both global warming driven by human emissions of greenhouse gases and the resulting large-scale shifts in weather patterns. While climate change is a natural phenomenon, human activities, particularly since the Industrial Revolution, have accelerated its pace and intensity
Overview of the Global Peatlands Assessment
Presented by Patrick Scheel at GLF Peatlands 2024 - The Global Peatlands Assessment: Mapping, Policy, and Action
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...Open Access Research Paper
Water polluted by dyestuffs compounds is a global threat to health and the environment; accordingly, we prepared a green novel sorbent chemical and Physical system from an algae, chitosan and chitosan nanoparticle and impregnated with algae with chitosan nanocomposite for the sorption of Malachite green dye from water. The algae with chitosan nanocomposite by a simple method and used as a recyclable and effective adsorbent for the removal of malachite green dye from aqueous solutions. Algae, chitosan, chitosan nanoparticle and algae with chitosan nanocomposite were characterized using different physicochemical methods. The functional groups and chemical compounds found in algae, chitosan, chitosan algae, chitosan nanoparticle, and chitosan nanoparticle with algae were identified using FTIR, SEM, and TGADTA/DTG techniques. The optimal adsorption conditions, different dosages, pH and Temperature the amount of algae with chitosan nanocomposite were determined. At optimized conditions and the batch equilibrium studies more than 99% of the dye was removed. The adsorption process data matched well kinetics showed that the reaction order for dye varied with pseudo-first order and pseudo-second order. Furthermore, the maximum adsorption capacity of the algae with chitosan nanocomposite toward malachite green dye reached as high as 15.5mg/g, respectively. Finally, multiple times reusing of algae with chitosan nanocomposite and removing dye from a real wastewater has made it a promising and attractive option for further practical applications.
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ENVIRONMENT~ Renewable Energy Sources and their future prospects.
This presentation is for us to know that how our Environment need Attention for protection of our natural resources which are depleted day by day that's why we need to take time and shift our attention to renewable energy sources instead of non-renewable sources which are better and Eco-friendly for our environment. these renewable energy sources are so helpful for our planet and for every living organism which depends on environment.
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How about Huawei mobile phone-www.cfye-commerce.shop
How about Huawei mobile phone-www.cfye-commerce.shop
Evolving Lifecycles with High Resolution Site Characterization (HRSC) and 3-D...
The incorporation of a 3DCSM and completion of HRSC provided a tool for enhanced, data-driven, decisions to support a change in remediation closure strategies. Currently, an approved pilot study has been obtained to shut-down the remediation systems (ISCO, P&T) and conduct a hydraulic study under non-pumping conditions. A separate micro-biological bench scale treatability study was competed that yielded positive results for an emerging innovative technology. As a result, a field pilot study has commenced with results expected in nine-twelve months. With the results of the hydraulic study, field pilot studies and an updated risk assessment leading site monitoring optimization cost lifecycle savings upwards of $15MM towards an alternatively evolved best available technology remediation closure strategy.
Optimizing Post Remediation Groundwater Performance with Enhanced Microbiolog...
Results of geophysics and pneumatic injection pilot tests during 2003 – 2007 yielded significant positive results for injection delivery design and contaminant mass treatment, resulting in permanent shut-down of an existing groundwater Pump & Treat system.
Accessible source areas were subsequently removed (2011) by soil excavation and treated with the placement of Emulsified Vegetable Oil EVO and zero-valent iron ZVI to accelerate treatment of impacted groundwater in overburden and weathered fractured bedrock. Post pilot test and post remediation groundwater monitoring has included analyses of CVOCs, organic fatty acids, dissolved gases and QuantArray® -Chlor to quantify key microorganisms (e.g., Dehalococcoides, Dehalobacter, etc.) and functional genes (e.g., vinyl chloride reductase, methane monooxygenase, etc.) to assess potential for reductive dechlorination and aerobic cometabolism of CVOCs.
In 2022, the first commercial application of MetaArray™ was performed at the site. MetaArray™ utilizes statistical analysis, such as principal component analysis and multivariate analysis to provide evidence that reductive dechlorination is active or even that it is slowing. This creates actionable data allowing users to save money by making important site management decisions earlier.
The results of the MetaArray™ analysis’ support vector machine (SVM) identified groundwater monitoring wells with a 80% confidence that were characterized as either Limited for Reductive Decholorination or had a High Reductive Reduction Dechlorination potential. The results of MetaArray™ will be used to further optimize the site’s post remediation monitoring program for monitored natural attenuation.
Improving the Management of Peatlands and the Capacities of Stakeholders in I...
Improving the Management of Peatlands and the Capacities of Stakeholders in I...Global Landscapes Forum (GLF)
Presented by Sonya Dewi at GLF Peatlands 2024 - 360 Degree Approach to Improving Capacity of Multiple Stakeholders to Manage Peatland SustainablyMicrobial characterisation and identification, and potability of River Kuywa ...
Microbial characterisation and identification, and potability of River Kuywa ...Open Access Research Paper
Water contamination is one of the major causes of water borne diseases worldwide. In Kenya, approximately 43% of people lack access to potable water due to human contamination. River Kuywa water is currently experiencing contamination due to human activities. Its water is widely used for domestic, agricultural, industrial and recreational purposes. This study aimed at characterizing bacteria and fungi in river Kuywa water. Water samples were randomly collected from four sites of the river: site A (Matisi), site B (Ngwelo), site C (Nzoia water pump) and site D (Chalicha), during the dry season (January-March 2018) and wet season (April-July 2018) and were transported to Maseno University Microbiology and plant pathology laboratory for analysis. The characterization and identification of bacteria and fungi were carried out using standard microbiological techniques. Nine bacterial genera and three fungi were identified from Kuywa river water. Clostridium spp., Staphylococcus spp., Enterobacter spp., Streptococcus spp., E. coli, Klebsiella spp., Shigella spp., Proteus spp. and Salmonella spp. Fungi were Fusarium oxysporum, Aspergillus flavus complex and Penicillium species. Wet season recorded highest bacterial and fungal counts (6.61-7.66 and 3.83-6.75cfu/ml) respectively. The results indicated that the river Kuywa water is polluted and therefore unsafe for human consumption before treatment. It is therefore recommended that the communities to ensure that they boil water especially for drinking.
Peatland Management in Indonesia, Science to Policy and Knowledge Education
Peatland Management in Indonesia, Science to Policy and Knowledge EducationGlobal Landscapes Forum (GLF)
Presented by Feri Johana at GLF Peatlands 2024 - 360 Degree Approach to Improving Capacity of Multiple Stakeholders to Manage Peatland SustainablyRecently uploaded (20)
Promoting Multilateral Cooperation for Sustainable Peatland management
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Enhanced action and stakeholder engagement for sustainable peatland management
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Wildlife-AnIntroduction.pdf so that you know more about our environment
Wildlife-AnIntroduction.pdf so that you know more about our environment
Epcon is One of the World's leading Manufacturing Companies.
Epcon is One of the World's leading Manufacturing Companies.
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...
ENVIRONMENT~ Renewable Energy Sources and their future prospects.
ENVIRONMENT~ Renewable Energy Sources and their future prospects.
How about Huawei mobile phone-www.cfye-commerce.shop
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Evolving Lifecycles with High Resolution Site Characterization (HRSC) and 3-D...
Evolving Lifecycles with High Resolution Site Characterization (HRSC) and 3-D...
Optimizing Post Remediation Groundwater Performance with Enhanced Microbiolog...
Optimizing Post Remediation Groundwater Performance with Enhanced Microbiolog...
Improving the Management of Peatlands and the Capacities of Stakeholders in I...
Improving the Management of Peatlands and the Capacities of Stakeholders in I...
world-environment-day-2024-240601103559-14f4c0b4.pptx
world-environment-day-2024-240601103559-14f4c0b4.pptx
Microbial characterisation and identification, and potability of River Kuywa ...
Microbial characterisation and identification, and potability of River Kuywa ...
Peatland Management in Indonesia, Science to Policy and Knowledge Education
Peatland Management in Indonesia, Science to Policy and Knowledge Education
Himalayan glacier
- 3. Contents • About Himalayan glacier . • Status of glacier melting in the Himalayas. • Why Himalayan glaciers are shrunking ?
- 6. Glacier • A glacier is a body of ice that originated on land by recrystallisation of snow under definite conditions . 1. A distinct area where more snow or ice usually accumulates 2. Another area where more snow or ice is usually melt or wastes than what accumulates also known as ablation zone. 3. A slow transfer of ice mass from first region to second
- 7. 15,003 glaciers are present in Himalayas.
- 11. Status of glacier melting in Himalaya .
- 12. According to the scientist of WGHG and ICSI “glaciers in the Himalayas are receding faster than in any other part of the world and if the present rate continues ,then they will disappear till year 2035 .”