Adélie penguins coping with environmental change
... representing 9% of the world population and the full range of breeding colony sizes. Five years into the 14-year study (1997–2010) two very large icebergs (spanning 1.5 latitude degrees in length) grounded in waters adjacent to breeding colonies, dramatically altering environmental conditions during ...
... representing 9% of the world population and the full range of breeding colony sizes. Five years into the 14-year study (1997–2010) two very large icebergs (spanning 1.5 latitude degrees in length) grounded in waters adjacent to breeding colonies, dramatically altering environmental conditions during ...
draft for USGS Review - UAF SNAP
... dynamics of permafrost temperature and active layer thickness, for historical (1901-2009) and future (2010-2100) time periods across the IEM domain. Simulations of future changes in permafrost indicate that, by the end of the 21st century, late Holocene permafrost in Alaska and Northwest Canada will ...
... dynamics of permafrost temperature and active layer thickness, for historical (1901-2009) and future (2010-2100) time periods across the IEM domain. Simulations of future changes in permafrost indicate that, by the end of the 21st century, late Holocene permafrost in Alaska and Northwest Canada will ...
Planning for the impact of sea-level rise on U.S. national parks
... the Greenland ice sheet alone raised the global mean sea level by an average 0.21 ± 0.07 mm/yr (0.01 ± 0.002 in/yr) from 1993 to 2003 (IPCC 2007). Archer and Rahmstorf (2010) calculated that if both the entire Greenland and Antarctic ice sheets were to melt, global sea levels would rise by around 65 ...
... the Greenland ice sheet alone raised the global mean sea level by an average 0.21 ± 0.07 mm/yr (0.01 ± 0.002 in/yr) from 1993 to 2003 (IPCC 2007). Archer and Rahmstorf (2010) calculated that if both the entire Greenland and Antarctic ice sheets were to melt, global sea levels would rise by around 65 ...
WHY DO WE CARE ABOUT METHANE?
... Kirschbaum et al. [2008] confirmed that source is not due to absorption/desorption Important implications for tree-planting to mitigate climate change! ...
... Kirschbaum et al. [2008] confirmed that source is not due to absorption/desorption Important implications for tree-planting to mitigate climate change! ...
Polar Bear (Ursus maritimus) - Convention on Migratory Species
... Polar bears show fidelity to geographic regions (Amstrup, Durner et al. 2000; Laidre et al. 2012, Stirling et al. 1999). They occupy multiannual home ranges outside of which they seldom venture. Not all areas of their multiannual home ranges are used each year. In areas of volatile ice, a large mult ...
... Polar bears show fidelity to geographic regions (Amstrup, Durner et al. 2000; Laidre et al. 2012, Stirling et al. 1999). They occupy multiannual home ranges outside of which they seldom venture. Not all areas of their multiannual home ranges are used each year. In areas of volatile ice, a large mult ...
Permafrost-and-Climate
... Dr Richard Waller, Keele University, [email protected] C-Change in GEES: Changing Permafrost Environments – Permafrost and Climate Change ...
... Dr Richard Waller, Keele University, [email protected] C-Change in GEES: Changing Permafrost Environments – Permafrost and Climate Change ...
Earth`s Climate
... reflective than ocean water, so larger ice sheets reflect more sunlight into space, cooling the Earth even more. In turn, this cooling would lead to even more ice than before. This vicious cycle between colder temperatures, ice growth, and sunlight reflection is an example of a feedback loop. Feedba ...
... reflective than ocean water, so larger ice sheets reflect more sunlight into space, cooling the Earth even more. In turn, this cooling would lead to even more ice than before. This vicious cycle between colder temperatures, ice growth, and sunlight reflection is an example of a feedback loop. Feedba ...
CB-48 - Climate Science: Roger Pielke Sr.
... Rising motion due to convective storms in regions of high SST form the starting point for the entire large-scale, tropical circulation, including the north-south Hadley cell and the east-west Walker cells. Changes in the magnitude and spatial pattern of tropical convection therefore alter the magni ...
... Rising motion due to convective storms in regions of high SST form the starting point for the entire large-scale, tropical circulation, including the north-south Hadley cell and the east-west Walker cells. Changes in the magnitude and spatial pattern of tropical convection therefore alter the magni ...
a post-IPCC AR4 update on sea- level rise
... mechanisms of the response include: surface melt water making its way to the base of the ice sheet, lubricating its motion and allowing the ice to slide more rapidly into the ocean; and the decay of ice shelves and the loss of their ‘buttressing’ effect on the seaward movement of the outlet glaciers ...
... mechanisms of the response include: surface melt water making its way to the base of the ice sheet, lubricating its motion and allowing the ice to slide more rapidly into the ocean; and the decay of ice shelves and the loss of their ‘buttressing’ effect on the seaward movement of the outlet glaciers ...
Polar Bear (Ursus maritimus) - Convention on Migratory Species
... Polar bears show fidelity to geographic regions (Amstrup, Durner et al. 2000; Laidre et al. 2012, Stirling et al. 1999). They occupy multiannual home ranges outside of which they seldom venture. Not all areas of their multiannual home ranges are used each year. In areas of volatile ice, a large mult ...
... Polar bears show fidelity to geographic regions (Amstrup, Durner et al. 2000; Laidre et al. 2012, Stirling et al. 1999). They occupy multiannual home ranges outside of which they seldom venture. Not all areas of their multiannual home ranges are used each year. In areas of volatile ice, a large mult ...
Canada`s Marine Coasts in a Changing Climate
... Canada is a coastal nation. All provinces and territories, This report takes a landscape approach in examining Canada’s with the exception of Alberta and Saskatchewan, share in marine coasts. While focus is placed on the shoreline as the the approximately 243 000 km of coastline (Taylor et al., inte ...
... Canada is a coastal nation. All provinces and territories, This report takes a landscape approach in examining Canada’s with the exception of Alberta and Saskatchewan, share in marine coasts. While focus is placed on the shoreline as the the approximately 243 000 km of coastline (Taylor et al., inte ...
What The Science Says: The trend in CO2 at Mauna Loa is
... core data for CO2 levels before 1950. For values after 1950, direct measurements from Mauna Loa, Hawaii were used. ...
... core data for CO2 levels before 1950. For values after 1950, direct measurements from Mauna Loa, Hawaii were used. ...
The biogeochemistry of the river and shelf ecosystem of the Arctic
... biogeochemistry of the Arctic river and shelf ecosystem. Organic matter concentrations in the Arctic rivers are among the highest reported in world’s rivers. Dissolved organic carbon (DOC) reaches concentrations of up to 1000 AM C. The total amount of DOC discharged by rivers into the Arctic Ocean i ...
... biogeochemistry of the Arctic river and shelf ecosystem. Organic matter concentrations in the Arctic rivers are among the highest reported in world’s rivers. Dissolved organic carbon (DOC) reaches concentrations of up to 1000 AM C. The total amount of DOC discharged by rivers into the Arctic Ocean i ...
AAA vol 2 CD.indb - Department of Geography
... The Antarctic Peninsula is experiencing one of the fastest increases in mean annual air temperatures (ca. 2.5ºC in the last 50 years) on Earth. If the observed warming trend continues as indicated by climate models, the region could suffer widespread permafrost degradation. This paper presents field ...
... The Antarctic Peninsula is experiencing one of the fastest increases in mean annual air temperatures (ca. 2.5ºC in the last 50 years) on Earth. If the observed warming trend continues as indicated by climate models, the region could suffer widespread permafrost degradation. This paper presents field ...
implications for climate change research b
... small open-top chambers were used to passively warm canopy temperatures in wet meadow tundra at Barrow, Alaska during the summers of 1995 and 1996. Fortuitously the seasonal average temperature difference due to chamber warming and interannual variability were both approximately 1.5 oC; this allowed ...
... small open-top chambers were used to passively warm canopy temperatures in wet meadow tundra at Barrow, Alaska during the summers of 1995 and 1996. Fortuitously the seasonal average temperature difference due to chamber warming and interannual variability were both approximately 1.5 oC; this allowed ...
Changing Global Warming Beliefs with Scientific Information
... posing a unique threat to many species’ futures (cf. Harte & Harte, 2008), and direct threats to humans (particularly the poor)––such as increased risks of floods, droughts, and low crop yields (Kerr, 2007). Nothing, then, seems to exceed the importance of researchers finding ways to help people acc ...
... posing a unique threat to many species’ futures (cf. Harte & Harte, 2008), and direct threats to humans (particularly the poor)––such as increased risks of floods, droughts, and low crop yields (Kerr, 2007). Nothing, then, seems to exceed the importance of researchers finding ways to help people acc ...
Primary impacts of climate change on the cryosphere
... also referred to in the ‘Copenhagen Accord’, the key outcome of the UNFCCC COP-15 held in December 2009 and is fixed in the documents of the COP-16 as held in Cancun in December 2010. In addition, the EU has put in place a wide range of policy measures to address mitigation of climate change and ada ...
... also referred to in the ‘Copenhagen Accord’, the key outcome of the UNFCCC COP-15 held in December 2009 and is fixed in the documents of the COP-16 as held in Cancun in December 2010. In addition, the EU has put in place a wide range of policy measures to address mitigation of climate change and ada ...
Reinforced Theistic Manifest Destiny theory
... posing a unique threat to many species’ futures (cf. Harte & Harte, 2008), and direct threats to humans (particularly the poor)––such as increased risks of floods, droughts, and low crop yields (Kerr, 2007). Nothing, then, seems to exceed the importance of researchers finding ways to help people acc ...
... posing a unique threat to many species’ futures (cf. Harte & Harte, 2008), and direct threats to humans (particularly the poor)––such as increased risks of floods, droughts, and low crop yields (Kerr, 2007). Nothing, then, seems to exceed the importance of researchers finding ways to help people acc ...
Australia`s Energy Sector – Drivers for Change
... between 9 and 88 cm between 1990 and 2100, the assessment also cautioned that due to significant levels of ice melt in the northern summer of 2007 the estimate of 88 cm could actually be an under-estimate. Rahmstorf has shown that the observed rate of sea-level rise is tracking at or near the upper ...
... between 9 and 88 cm between 1990 and 2100, the assessment also cautioned that due to significant levels of ice melt in the northern summer of 2007 the estimate of 88 cm could actually be an under-estimate. Rahmstorf has shown that the observed rate of sea-level rise is tracking at or near the upper ...
Paleoclimate Implications for Human-Made Climate Change
... Paleoanthropological evidence of Homo sapiens in Africa dates to about 200,000 years ago, i.e., over two glacial cycles. Earlier human-like populations, such as Neanderthals and Homo erectus, date back at least 2,000,000 years, but, as is clear from Fig. 1a, even the human-like species were present ...
... Paleoanthropological evidence of Homo sapiens in Africa dates to about 200,000 years ago, i.e., over two glacial cycles. Earlier human-like populations, such as Neanderthals and Homo erectus, date back at least 2,000,000 years, but, as is clear from Fig. 1a, even the human-like species were present ...
The Strategic Threat of Inevitable Climate Change
... maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing the burden, to Department of Defense, Washington Headquarters Services, Dire ...
... maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing the burden, to Department of Defense, Washington Headquarters Services, Dire ...
Climate Change and Displacement for Indigenous Communities in
... while decreasing the likelihood of forest fires (Flannigan et al., 1998). Landslides and rockfalls are likely to increase in frequency for the first few decades due to increased ground instability from saturation. Climate change is expected to have particular effects in coastal locations as a result ...
... while decreasing the likelihood of forest fires (Flannigan et al., 1998). Landslides and rockfalls are likely to increase in frequency for the first few decades due to increased ground instability from saturation. Climate change is expected to have particular effects in coastal locations as a result ...
Regional temperature and precipitation changes under high
... in boreal winter. Many continental interiors warm approximately twice as fast as the global average, with this being particularly accentuated in boreal summer, and the winter-time Arctic Ocean temperatures rise more than three times faster than the global average. Large temperature increases and pre ...
... in boreal winter. Many continental interiors warm approximately twice as fast as the global average, with this being particularly accentuated in boreal summer, and the winter-time Arctic Ocean temperatures rise more than three times faster than the global average. Large temperature increases and pre ...
Winddriven spreading of fresh surface water beneath ice shelves in
... occurs at a preselected depth (7 m in our study). Another dive point marks the deepest depth reached in a dive. Eight additional points are spread at preset intervals based on the maximum depth of the individual dive. The last seven points are selected between these other values by the so-called bro ...
... occurs at a preselected depth (7 m in our study). Another dive point marks the deepest depth reached in a dive. Eight additional points are spread at preset intervals based on the maximum depth of the individual dive. The last seven points are selected between these other values by the so-called bro ...
Author`s personal copy - Climate Adaptation Knowledge Exchange
... We identify and examine how policy intervention can help Canada’s Inuit population adapt to climate change. The policy responses are based on an understanding of the determinants of vulnerability identified in research conducted with 15 Inuit communities. A consistent approach was used in each case ...
... We identify and examine how policy intervention can help Canada’s Inuit population adapt to climate change. The policy responses are based on an understanding of the determinants of vulnerability identified in research conducted with 15 Inuit communities. A consistent approach was used in each case ...