Name of research/monitoring agency, company or other entity
... continental shelf in Chukchi to access foraging beds. If ice goes over deep water, walrus desert sea ice and go to shore. Polar bear – long-term project; declines in summer sea ice result in declines in body condition and survival; USGS models suggest substantial declines in polar bear populations i ...
... continental shelf in Chukchi to access foraging beds. If ice goes over deep water, walrus desert sea ice and go to shore. Polar bear – long-term project; declines in summer sea ice result in declines in body condition and survival; USGS models suggest substantial declines in polar bear populations i ...
Lecture32_webpost - UA Atmospheric Sciences
... Solar radiation variability at the North Pole over thousands of years Changes in the orbital parameters change the incoming solar radiation at the North Pole by about 15% This is likely coupled with a biological response which affects the uptake of carbon dioxide in the ocean These two effects prob ...
... Solar radiation variability at the North Pole over thousands of years Changes in the orbital parameters change the incoming solar radiation at the North Pole by about 15% This is likely coupled with a biological response which affects the uptake of carbon dioxide in the ocean These two effects prob ...
Younger Dryas Glacierization in the Gulf of St. Lawrence, Canada
... Younger Dryas Glacierization in the Gulf of St. Lawrence, Canada R. R. Stea, R. J. Mott1, D. I. Godfrey-Smith2 and J. L. Fastook3 In the summer of 1999, the Maritimes and Northeast Pipeline Company excavated a 3 m deep ditch across northern Nova Scotia to host the Sable Island gas pipeline. A late-g ...
... Younger Dryas Glacierization in the Gulf of St. Lawrence, Canada R. R. Stea, R. J. Mott1, D. I. Godfrey-Smith2 and J. L. Fastook3 In the summer of 1999, the Maritimes and Northeast Pipeline Company excavated a 3 m deep ditch across northern Nova Scotia to host the Sable Island gas pipeline. A late-g ...
Continuous chemistry in ice cores
... Ice cores provide high resolution records of past climate and environment. In recent years the use of continuous flow analysis (CFA) systems has increased the measurement throughput, while simultaneously decreasing the risk of contaminating the ice samples. CFA measurements of high temporal resoluti ...
... Ice cores provide high resolution records of past climate and environment. In recent years the use of continuous flow analysis (CFA) systems has increased the measurement throughput, while simultaneously decreasing the risk of contaminating the ice samples. CFA measurements of high temporal resoluti ...
Sea Level Change and Climate - University of Hawaii at Hilo
... δ18O is a measure of the relative abundance of these two isotopes. Positive values have more 18O and negative values have less 18O than normal seawater When glaciers form, more 16O is stored in glaciers, and more 18O is stored in the ocean, so when we measure the shells of organisms that make their ...
... δ18O is a measure of the relative abundance of these two isotopes. Positive values have more 18O and negative values have less 18O than normal seawater When glaciers form, more 16O is stored in glaciers, and more 18O is stored in the ocean, so when we measure the shells of organisms that make their ...
Extreme Trapping O
... Pacific plate oceanic crust at the bottom of the trench is instruments situated farther up the line, and finally the destined to be subducted beneath the continental crust of buoy that plugs the hole in the ice. The sediment trap is adjacent plates. Thus ocean surface life forms contribute to progra ...
... Pacific plate oceanic crust at the bottom of the trench is instruments situated farther up the line, and finally the destined to be subducted beneath the continental crust of buoy that plugs the hole in the ice. The sediment trap is adjacent plates. Thus ocean surface life forms contribute to progra ...
File - The Geographer online
... sea level (Marine Regression) Submergence – the impact of a RISE in relative sea level (Marine Transgression) ...
... sea level (Marine Regression) Submergence – the impact of a RISE in relative sea level (Marine Transgression) ...
(APEX) What do we mean by EXtremes?
... magnitude / frequency behaviour (e.g. maximum ice sheet extent, very fast ice flow, maximum air temperatures, rapid changes in palaeoceanography) • Their definitions are spatially and temporally specific (e.g. Eurasian ice sheet versus an individual ice stream, or ice extent during the Last Glacial ...
... magnitude / frequency behaviour (e.g. maximum ice sheet extent, very fast ice flow, maximum air temperatures, rapid changes in palaeoceanography) • Their definitions are spatially and temporally specific (e.g. Eurasian ice sheet versus an individual ice stream, or ice extent during the Last Glacial ...
IPY Satellite Data Legacy_stg
... Sea level rise, and hemispheric climate (Glaciers, ice caps and ice sheets): 1) For the first time, one summer, one winter SAR snapshot of the polar ice sheets, glaciers and ice caps. Near simultaneous imagery at L, C, and X band, polarimetric quad pole for documenting ice surface physical parameter ...
... Sea level rise, and hemispheric climate (Glaciers, ice caps and ice sheets): 1) For the first time, one summer, one winter SAR snapshot of the polar ice sheets, glaciers and ice caps. Near simultaneous imagery at L, C, and X band, polarimetric quad pole for documenting ice surface physical parameter ...
Chapter 20
... This chapter examines the role of glacial ice as a denudation and landforming agent. Glacial ice had a major impact on the landscapes of midlatitude and subarctic regions during the past Ice Age and still covers many high latitude and high elevation areas of the Earth. Glaciers are natural bodies ...
... This chapter examines the role of glacial ice as a denudation and landforming agent. Glacial ice had a major impact on the landscapes of midlatitude and subarctic regions during the past Ice Age and still covers many high latitude and high elevation areas of the Earth. Glaciers are natural bodies ...
Dynamics of Sea Ice Floes
... greatest amount. Consequently, the formation of sea ice serves to act as an environmental indicator of the local seasonal climate. Also, the growth of sea ice is significant because of the biological communities that rely on the ice to thrive. By studying the processes that are related to ice format ...
... greatest amount. Consequently, the formation of sea ice serves to act as an environmental indicator of the local seasonal climate. Also, the growth of sea ice is significant because of the biological communities that rely on the ice to thrive. By studying the processes that are related to ice format ...
Question of Glaciation
... retreating glacier. A detached block of ice, buried in these deposits, has melted allowing the deposits to ‘cave in’ creating a kettle hole. ...
... retreating glacier. A detached block of ice, buried in these deposits, has melted allowing the deposits to ‘cave in’ creating a kettle hole. ...
vast expanses of arctic ice melt in summer heat
... years, as thick multiyear ice has given way as the Arctic's dominant form to thin ice that comes and goes with each winter and summer. The past few years have "signaled a fundamental change in the character of the ice and the Arctic climate," Meier said. ...
... years, as thick multiyear ice has given way as the Arctic's dominant form to thin ice that comes and goes with each winter and summer. The past few years have "signaled a fundamental change in the character of the ice and the Arctic climate," Meier said. ...
arctic ice
... cause is human activity. NPR’s David Baron reports. David Baron. There is no land at the North Pole, just ocean; but that ocean is covered with ice, a floating white pancake that grows and shrinks with the seasons. Claire Parkenson. In the winter time the area of coverage of sea ice in the Arctic is ...
... cause is human activity. NPR’s David Baron reports. David Baron. There is no land at the North Pole, just ocean; but that ocean is covered with ice, a floating white pancake that grows and shrinks with the seasons. Claire Parkenson. In the winter time the area of coverage of sea ice in the Arctic is ...
Oppgaver til gruppetime torsdag 27. oktober.
... 22. What is the speed of light and sound in water? 23. Why is the speed of sound much higher in water than the speed of light? 24. How does the sound move in water? 25. What is a sonar? How is it different compared to an echo-sounder? 26. Describe the different types of ice: • sea-ice • land-ice • s ...
... 22. What is the speed of light and sound in water? 23. Why is the speed of sound much higher in water than the speed of light? 24. How does the sound move in water? 25. What is a sonar? How is it different compared to an echo-sounder? 26. Describe the different types of ice: • sea-ice • land-ice • s ...
200 million years have elapsed since the youngest rocks were
... the Lake District. Quite likely seas have sometimes covered the region in that time, but any rocks that might have formed have been removed by erosion. For the past 65 million years, the geological history of the Lake District has been dominated by uplift and erosion. This has gradually led to the f ...
... the Lake District. Quite likely seas have sometimes covered the region in that time, but any rocks that might have formed have been removed by erosion. For the past 65 million years, the geological history of the Lake District has been dominated by uplift and erosion. This has gradually led to the f ...
Glaciers - HCC Learning Web
... Glacial Systems • An open system of flowing ice – Water input as snow – Transformed into ice – Ice flows under pressure (starts 60 m thk) – Water leaves by evaporation and melting ...
... Glacial Systems • An open system of flowing ice – Water input as snow – Transformed into ice – Ice flows under pressure (starts 60 m thk) – Water leaves by evaporation and melting ...
Future Aerogeophysical Surveys are Needed over the West
... flight lines made in the 1960s and combined radar ice sounding aeromagnetic profiles over the WAIS in 1978-79 provided a wealth of tectonic, volcanologic and glaciologic information over the area covered. However, much needs to be done to complete the coverage comparable to aeromagnetic surveys alon ...
... flight lines made in the 1960s and combined radar ice sounding aeromagnetic profiles over the WAIS in 1978-79 provided a wealth of tectonic, volcanologic and glaciologic information over the area covered. However, much needs to be done to complete the coverage comparable to aeromagnetic surveys alon ...
Arctic Ice Research by SAMS for the International Polar Year
... SAMS deployed four autonomous stations to support in-situ ...
... SAMS deployed four autonomous stations to support in-situ ...
W&C Ch.4 Sec.3
... Of plants lived in certain areas many years before. This gives Clues as to what climate was like. 4. Ice Age or Glacial Episode – Cold period in history 4 major ice ages in the last 2 million years They last 100,000 years or more. 5. During each ice age, huge sheets of ice called glaciers covered la ...
... Of plants lived in certain areas many years before. This gives Clues as to what climate was like. 4. Ice Age or Glacial Episode – Cold period in history 4 major ice ages in the last 2 million years They last 100,000 years or more. 5. During each ice age, huge sheets of ice called glaciers covered la ...
Sea ice
Sea ice arises as seawater freezes. Because ice is less dense than water, it floats on the ocean's surface (as does fresh water ice, which has an even lower density). Sea ice covers about 7% of the Earth’s surface and about 12% of the world’s oceans. In the North, it is found in the Arctic Ocean, in areas just below it and in other cold oceans, seas and gulfs; in the Antarctic, it occurs in various areas around Antarctica (the continent). Much of the world's sea ice is enclosed within the polar ice packs in the Earth's polar regions: the Arctic ice pack of the Arctic Ocean and the Antarctic ice pack of the Southern Ocean. Polar packs undergo a significant yearly cycling in surface extent (see Climate change in the Arctic), a natural process upon which depends the Arctic ecology, including the ocean's ecosystems. Due to the action of winds, currents and temperature fluctuations, sea ice is very dynamic, leading to a wide variety of ice types and features. Sea ice may be contrasted with icebergs, which are chunks of ice shelves or glaciers that calve into the ocean. Depending on location, sea ice expanses may also incorporate icebergs.