Sentences with phrase «changes in sea ice affect»

The Arctic climate affects the world: Changes in sea ice affect ocean circulation, which, in turn, affects atmospheric circulation that then impacts the globe, said Bruce Forbes, a geographer at the Arctic Center at the University of Lapland in Finland, who was not involved in the study.

Not exact matches

Studying surging glaciers could also offer insights into grander - scale ice flows with global consequences: the movements of the ice sheets in Antarctica and Greenland, which can change abruptly, altering the ice discharges that affect sea level.

Polar bears, the poster - child for climate change, are among the animals most affected by the seasonal and year - to - year changes in Arctic sea ice, because they rely on this surface for essential activities such as hunting, traveling and breeding.

Understanding what's causing the changes in the ice shelves «puts us a little bit closer to knowing what's going to happen to the grounded ice, which is what will ultimately affect sea - level rise,» Fricker said.

«Retreating sea ice linked to changes in ocean circulation, could affect European climate.»

In general, Antarctic sea ice is much more variable than the Arctic, and scientists are still grappling with how climate change and various natural climate cycles might be interacting to affect sea ice levels there.

The researchers warn, however, that the future evolution of the AMO remains uncertain, with many factors potentially affecting how it interacts with atmospheric circulation patterns, such as Arctic sea ice loss, changes in solar radiation, volcanic eruptions and concentrations of greenhouse gases in the atmosphere.

It could be a change in algae or other food for them, or it could be that sea ice provides shelter from predators, or affects the currents in some way.

Furthermore, we must understand how changes in sea ice cover affect the feeding ecology of humpback whales and their competitors in the short - term and the dynamics of krill populations over the longer term, particularly given the increasing pressure from commercial krill harvests [36].

This kind of significant change could increase the rate of warming already in progress, affect further sea ice loss in the Arctic and alter shipping access to the Arctic Ocean.

While it is often occurring in remote regions, ongoing change with the cryosphere has impacts on people all around the world: sea level rise affects coastlines globally, billions of people rely on water from snowpack, and the diminishing sea ice that covers the Arctic Ocean plays a significant role in Earth's climate and weather patterns.

Such research is now becoming urgent as regional climate change is already impacting upon areas of West Antarctica and the Antarctic Peninsula [30] and colonies in this region may already be affected by the consequent loss of sea ice [8].

This raises the possibility that changes in sea level can profoundly affect the S.Hem ice — wasting of N.Hem ice sheets can raise sea level, «unpin» and destabilize the S.Hem ice, helping make the changes global.

Mike's work, like that of previous award winners, is diverse, and includes pioneering and highly cited work in time series analysis (an elegant use of Thomson's multitaper spectral analysis approach to detect spatiotemporal oscillations in the climate record and methods for smoothing temporal data), decadal climate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measurements).

Reductions in sea ice and other changes may affect the amount of Carbon Dioxide absorbed by the Arctic Ocean, while thawing permafrost is expected to increase emissions of methane.

How would this change in currents affect the amount of heat in the surface layer that is transported into the Arctic and contributes to melting the Arctic Sea Ice?

The magnitude and spatial distribution of the high - latitude climate changes can be strongly affected by sea ice characteristics, but evaluation of sea ice in models is hampered by insufficient observations of some key variables (e.g., ice thickness)(see Section 4.4).

Climate - deniers use this to try to knock down evidence of how climate change will affect polar bears and sea ice, since they believe if they can disprove one tiny aspect of climate change, it will result in a domino effect.

To learn more about how changes in the Antarctic Ice Sheet could affect sea level, see State of the Cryosphere: Ice Sheets and State of the Cryosphere: Sea Levsea level, see State of the Cryosphere: Ice Sheets and State of the Cryosphere: Sea LevSea Level.

The study, published in the journal Nature Geosciences, suggests that the change of phase of the Interdecadal Pacific Oscillation (IPO) from positive to negative, or vice versa, could initiate chain reaction of climate impact that may affect the sea ice formation in the Antarctic region.

Changes in the Arctic led by sea ice loss are affecting weather patterns farther south, such as in the lower United States.

The new studies, which are both published in Nature Climate Change, focus in on how efforts to curb climate change could affect summer sea ice cover in the AChange, focus in on how efforts to curb climate change could affect summer sea ice cover in the Achange could affect summer sea ice cover in the Arctic.

The cryosphere derives its importance to the climate system from a variety of effects, including its high reflectivity (albedo) for solar radiation, its low thermal conductivity, its large thermal inertia, its potential for affecting ocean circulation (through exchange of freshwater and heat) and atmospheric circulation (through topographic changes), its large potential for affecting sea level (through growth and melt of land ice), and its potential for affecting greenhouse gases (through changes in permafrost)(Chapter 4).

Both studies make an «important contribution» to our understanding of how climate change is likely to affect Arctic sea ice, says Dr Amber Leeson, a lecturer in glaciology and environmental data science from the University of Lancaster, who was not involved in the research.

Our findings suggest that complex changes in sea ice and prey availability will interact to affect Svalbard polar bear feeding patterns and associated nutrition.

The loss of sea ice changes ecosystems, opening the door to invasive species, and alters habitat and plankton blooms, affecting Alaska's commercial fishing industry, which leads the United States in the value of its catch.

Ocean acidification, rising ocean temperatures, declining sea ice, and other environmental changes interact to affect the location and abundance of marine fish, including those that are commercially important, those used as food by other species, and those used for subsistence.16, 17,18,122,19,20,21 These changes have allowed some near - surface fish species such as salmon to expand their ranges northward along the Alaskan coast.124, 125,126 In addition, non-native species are invading Alaskan waters more rapidly, primarily through ships releasing ballast waters and bringing southerly species to Alaska.5, 127 These species introductions could affect marine ecosystems, including the feeding relationships of fish important to commercial and subsistence fisheries.

Coastal stability in polar regions is affected by factors common to all areas (exposure, relative sea - level change, climate and lithology), and by factors specific to the high latitudes (low temperatures, ground ice and sea ice).

The energy system is both a source of emissions that lead to global warming and it can also be directly affected by climate change: through changes in our energy consumption patterns, potential shutdowns of offshore oil and gas production, changing ice and snow conditions in the oil production regions of Alaska, changing sea ice conditions in the Arctic Ocean and the implications for shipping routes, and impacts of sea - level rise on coasts, where so much of our energy facility infrastructure is located.

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Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pain Key Countries» (04/28/04) «Saudis Have U.S. Over a Barrel: Shifting Terms of Trade Between Grain and Oil» (4/14/04) «Europe Leading World Into Age of Wind Energy» (4/8/04) «China's Shrinking Grain Harvest: How Its Growing Grain Imports Will Affect World Food Prices» (3/10/04) «U.S. Leading World Away From Cigarettes» (2/18/04) «Troubling New Flows of Environmental Refugees» (1/28/04) «Wakeup Call on the Food Front» (12/16/03) «Coal: U.S. Promotes While Canada and Europe Move Beyond» (12/3/03) «World Facing Fourth Consecutive Grain Harvest Shortfall» (9/17/03) «Record Temperatures Shrinking World Grain Harvest» (8/27/03) «China Losing War with Advancing Deserts» (8/4/03) «Wind Power Set to Become World's Leading Energy Source» (6/25/03) «World Creating Food Bubble Economy Based on Unsustainable Use of Water» (3/13/03) «Global Temperature Near Record for 2002: Takes Toll in Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pain Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pain Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pain 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pain the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pain Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pain China» (5/2/00) Top of page

Back then, Palin was the governor of a state where «coastal erosion, thawing permafrost, retreating sea ice, record forest fires, and other changes are affecting, and will continue to affect, the lifestyles and livelihoods of Alaskans,» as she wrote (in a 2007 administrative order creating the state's Climate Change Sub-Cabinet).

It also projected that shorter and warmer winters would affect sea ice cover, resulting in changes to animal behaviour and Inuit access to food sources.

It was only after the warming in the NH and the associated changes to the ocean from the ice water melt affected the sea levels that the SH would have experience warming.

Temperature and sea ice changes in the Arctic can affect wildlife and open up new areas for oil drilling and shipping — both industries that can have heavy climate impacts.

UW Today talks with Qinghua Ding and Axel Schweiger about a new study published in Nature Climate Change of how natural variability affects sea ice loss in the Arctic.

So if you want to test a change in something like the cloud scheme, that might affect the solar radiation that reaches the sea - ice in summer, you have to do so with a shorter run.

This could very well be related to the low sea ice extents, as it is well known that changes in sea temperatures affect the wind and pressure patterns in the atmosphere (for example: El Nino and La Nina).

I can only list a few regular «goings on'that I KNOW affect sea level; I'm certain that there are others: Change in overall temperature of the oceans (a few millidegrees / mm), plate tectonics, slit from rivers, erosion of seashores, extraction of ground water which ultimately returns to the oceans, marine life and its products building up the ocean floors, melting land ice, undersea discharges of a variety of «stuff» from literally hundreds of thousands of sources, often at temperatures in the 1 - 2 thousand degree range, which we are only now beginning to notice, wind carrying dust from the land and dropping it on the ocean.

«Greenland hosts the largest reservoir of freshwater in the northern hemisphere, and any substantial changes in the mass of its ice sheet will affect global sea level, ocean circulation and climate,» said Velicogna.

While climate change does not affect Earth's tilt, it does have potential implications for many of the other factors that influence winter weather in the US, including Arctic sea ice, the polar jet stream, the polar vortex, and El Niño.

The observed effects of cryosphere reduction include modification of river regimes due to enhanced glacial melt, snowmelt advance and enhanced winter base flow; formation of thermokarst terrain and disappearance of surface lakes in thawing permafrost; decrease in potential travel days of vehicles over frozen roads in the Arctic; enhanced potential for glacier hazards and slope instability due to mechanical weakening driven by ice and permafrost melting; regional ocean freshening; sea - level rise due to glacier and ice sheet shrinkage; biotic colonisation and faunal changes in deglaciated terrain; changes in freshwater and marine ecosystems affected by lake - ice and sea - ice reduction; changes in livelihoods; reduced tourism activities related to skiing, ice climbing and scenic activities in cryospheric areas affected by degradation; and increased ease of ship transportation in the Arctic.

His research focuses on understanding the interactions of ice, ocean and climate, in particular using imaging radar observations from satellites and airplanes to determine how the ice sheets in Antarctica, Greenland and Patagonia will respond to climate change and affect global sea level.

Reductions in winter sea - ice will affect the reproduction, growth and development of fish, krill, and their predators, including seals and seal - dependent polar bears (e.g., Barber and Iacozza, 2004; Box 4.3), leading to further changes in abundance and distribution of marine species (Chapter 15, Section 15.4.3).