A 1000 year history of atmospheric sulfate concentrations in
... al., 2000], primarily from the increased burning of fossil fuels in India. The 1000-year sulfate record from the Dasuopu ice core provides not only the potential for a history of human pollution in the Himalayan region, but also the history of pre-industrial, natural sulfate levels which were genera ...
... al., 2000], primarily from the increased burning of fossil fuels in India. The 1000-year sulfate record from the Dasuopu ice core provides not only the potential for a history of human pollution in the Himalayan region, but also the history of pre-industrial, natural sulfate levels which were genera ...
Detecting microbial N-limitation in tussock tundra soil
... secondary C-limitation regardless of the potential C supply (Fontaine et al., 2003; Schimel and Weintraub, 2003). Separating these different mechanisms requires more sophisticated analyses than simply measuring changes in respiration with C or N-additions. For example, if microbial growth is moderat ...
... secondary C-limitation regardless of the potential C supply (Fontaine et al., 2003; Schimel and Weintraub, 2003). Separating these different mechanisms requires more sophisticated analyses than simply measuring changes in respiration with C or N-additions. For example, if microbial growth is moderat ...
Growth and Phenology of Three Dwarf Shrub Species in a Six
... Copyright: ß 2014 Anadon-Rosell et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Data Availability: The au ...
... Copyright: ß 2014 Anadon-Rosell et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Data Availability: The au ...
Marine Net Primary Production
... NPP in polar latitudes due to a decrease in ice cover and increase in surface stratification and the availability of light. In the low-nutrient subtropical oceanic gyres, increased stratification is expected to lead to decreases in nutrient availability and decrease in NPP. Despite these generalitie ...
... NPP in polar latitudes due to a decrease in ice cover and increase in surface stratification and the availability of light. In the low-nutrient subtropical oceanic gyres, increased stratification is expected to lead to decreases in nutrient availability and decrease in NPP. Despite these generalitie ...
Biomes_Notes_from_Online-Long_Version
... that change the composition of the Earth’s atmosphere and land surface. The debate about global warming and climate change centers on these factors. Some people think that climate change is caused by natural processes and is cyclical. Others think that human activities (for example, burning fossil f ...
... that change the composition of the Earth’s atmosphere and land surface. The debate about global warming and climate change centers on these factors. Some people think that climate change is caused by natural processes and is cyclical. Others think that human activities (for example, burning fossil f ...
Plot-scale evidence of tundra vegetation change and links to recent
... forms differ in productivity, decomposition rates, albedo and snow-catching capacity, so understanding their response to climate warming can inform models of global surface energy balance and carbon sequestration22,23 and generate predictions for areas beyond the monitored regions. The vast geograph ...
... forms differ in productivity, decomposition rates, albedo and snow-catching capacity, so understanding their response to climate warming can inform models of global surface energy balance and carbon sequestration22,23 and generate predictions for areas beyond the monitored regions. The vast geograph ...
Coastal Areas and Marine Resources (Chapter 16) of the
... to hurricanes,storm surges,and flooding events also increases. Coastal and marine environments are intrinsically linked to climate in many ways. The ocean is an important distributor of the planet’s heat,and this distribution could be strongly influenced by changes in global climate. Sea-level rise ...
... to hurricanes,storm surges,and flooding events also increases. Coastal and marine environments are intrinsically linked to climate in many ways. The ocean is an important distributor of the planet’s heat,and this distribution could be strongly influenced by changes in global climate. Sea-level rise ...
Climate Change in Kiana, Alaska - Alaska Native Tribal Health
... activity (IPCC, 2008). In Kiana, the rate of climate change can be measured in months, days, or even hours. Residents traveling the river encounter sections of collapsed riverbank that were intact only hours before. In every season of the year, the air temperature is warmer than it was in the past. ...
... activity (IPCC, 2008). In Kiana, the rate of climate change can be measured in months, days, or even hours. Residents traveling the river encounter sections of collapsed riverbank that were intact only hours before. In every season of the year, the air temperature is warmer than it was in the past. ...
pdf - Climate Change in Australia
... than the global average rate in the immediately adjacent regions (for example New York). In many locations distant from the locations of former ice sheets (including Australia), the rate of rise is slightly less than the global average (Lambeck and Chappell, 2001; Peltier, 2001) and in some parts of ...
... than the global average rate in the immediately adjacent regions (for example New York). In many locations distant from the locations of former ice sheets (including Australia), the rate of rise is slightly less than the global average (Lambeck and Chappell, 2001; Peltier, 2001) and in some parts of ...
Plenary White Paper
... it is “very likely” due to human activities. Since the IPCC report, nature continues to provide evidence that it is under duress with impacts affecting people and animals. Increasing rates of carbon dioxide emissions raise the specter that future climate changes could be much larger and come much qu ...
... it is “very likely” due to human activities. Since the IPCC report, nature continues to provide evidence that it is under duress with impacts affecting people and animals. Increasing rates of carbon dioxide emissions raise the specter that future climate changes could be much larger and come much qu ...
MASS BALANCE OF ARCTIC GLACIERS
... largest portion of Arctic ice by far lies in Greenland (1 726 400 km2). The volume of the Greenland Ice Sheet, together with the ice caps and glaciers of the island, is estimated to be about 3∗106 km3, whereas the volume of all the other Arctic glaciers is about 60 000 km3. Similarly, the available ...
... largest portion of Arctic ice by far lies in Greenland (1 726 400 km2). The volume of the Greenland Ice Sheet, together with the ice caps and glaciers of the island, is estimated to be about 3∗106 km3, whereas the volume of all the other Arctic glaciers is about 60 000 km3. Similarly, the available ...
Past and recent changes in air and permafrost temperatures in
... © 2006 Elsevier B.V. All rights reserved. Keywords: permafrost; East Siberia; climate warming; numerical modeling ...
... © 2006 Elsevier B.V. All rights reserved. Keywords: permafrost; East Siberia; climate warming; numerical modeling ...
PACES II Programme - Helmholtz
... people are exposed to special risks (e.g. earthquakes or floods). On the other hand, research will focus on regions that are very sensitive to global or regional environmental and climate changes, e.g. polar regions, tropical oceans, arid or semiarid areas, mountainous regions or permafrost areas. I ...
... people are exposed to special risks (e.g. earthquakes or floods). On the other hand, research will focus on regions that are very sensitive to global or regional environmental and climate changes, e.g. polar regions, tropical oceans, arid or semiarid areas, mountainous regions or permafrost areas. I ...
besugo NAO-authors - Instituto Español de Oceanografía
... Fisheries are an important source of food and income for many local communities, and their value as a source of animal protein was recently emphasized in a Food and Agriculture Organization report (FAO, 2010). Sev� eral studies (e.g. Thurstan et al., 2010) have suggested that over the last decade, 8 ...
... Fisheries are an important source of food and income for many local communities, and their value as a source of animal protein was recently emphasized in a Food and Agriculture Organization report (FAO, 2010). Sev� eral studies (e.g. Thurstan et al., 2010) have suggested that over the last decade, 8 ...
weather and climate: engaging youth
... as the world is already committed to a substantial amount of additional warming, acidification and deoxygenation, even if atmospheric CO2 could be stabilized at the current level. A key strategy is to ensure maximum potential for resilience in the system, e.g. by maintaining, or even increasing biod ...
... as the world is already committed to a substantial amount of additional warming, acidification and deoxygenation, even if atmospheric CO2 could be stabilized at the current level. A key strategy is to ensure maximum potential for resilience in the system, e.g. by maintaining, or even increasing biod ...
Effects of Global Warming Lesson Plan
... The threats to wildlife on the African island of Madagascar are manifold: rampant deforestation that has stripped most of the island of its original forest cover, leaving a wasteland; a human population that is growing at 3% a year, straining natural resources and hunting animals for food, especiall ...
... The threats to wildlife on the African island of Madagascar are manifold: rampant deforestation that has stripped most of the island of its original forest cover, leaving a wasteland; a human population that is growing at 3% a year, straining natural resources and hunting animals for food, especiall ...
Arviat Climate Change Adaptation Action Plan
... a possibility in Arviat due to the ice-rich fine organic soils underlying the community – the ground will subside as the active layer thickens due to warmer temperatures and/or human disturbance. An increased potential for subsidence due to climate change makes the more stable esker sands and gravel ...
... a possibility in Arviat due to the ice-rich fine organic soils underlying the community – the ground will subside as the active layer thickens due to warmer temperatures and/or human disturbance. An increased potential for subsidence due to climate change makes the more stable esker sands and gravel ...
The Significance of the Tibetan Plateau
... settlement, the bridges and water conduits have also been damaged considerably. At the highway near the Dhangla Ri-gyuth (Ch: Fenghuoshan Mountain), scientists found an arc shaped thaw slumping area measuring up to 73m wide and 103m long (in 2003) with the total volume of the failure about 10,000m 3 ...
... settlement, the bridges and water conduits have also been damaged considerably. At the highway near the Dhangla Ri-gyuth (Ch: Fenghuoshan Mountain), scientists found an arc shaped thaw slumping area measuring up to 73m wide and 103m long (in 2003) with the total volume of the failure about 10,000m 3 ...
The Significance of the Tibetan Plateau Abstract:
... settlement, the bridges and water conduits have also been damaged considerably. At the highway near the Dhangla Ri-gyuth (Ch: Fenghuoshan Mountain), scientists found an arc shaped thaw slumping area measuring up to 73m wide and 103m long (in 2003) with the total volume of the failure about 10,000m 3 ...
... settlement, the bridges and water conduits have also been damaged considerably. At the highway near the Dhangla Ri-gyuth (Ch: Fenghuoshan Mountain), scientists found an arc shaped thaw slumping area measuring up to 73m wide and 103m long (in 2003) with the total volume of the failure about 10,000m 3 ...
Climate Change
... Average temperatures in the Arctic increased at almost twice the global average rate in the past 100 years. Consequently, the annual average Arctic sea ice extent has shrunk by 2.1 - 3.1% per decade. Temperatures at the top of the permafrost layer have generally increased up to 3˚C since the 1980s. ...
... Average temperatures in the Arctic increased at almost twice the global average rate in the past 100 years. Consequently, the annual average Arctic sea ice extent has shrunk by 2.1 - 3.1% per decade. Temperatures at the top of the permafrost layer have generally increased up to 3˚C since the 1980s. ...
MRED 2001 research
... (Prentice et al 1992), and BIOME3 (Haxeltine and Prentice 1996). In fact, there is special high-cold vegetation at three altitudinal levels, ie, subnival and nival (ca >5200 m above sea level [asl]); alpine meadow and scrubland, alpine steppe and shrubland, alpine desert in the central plateau, plat ...
... (Prentice et al 1992), and BIOME3 (Haxeltine and Prentice 1996). In fact, there is special high-cold vegetation at three altitudinal levels, ie, subnival and nival (ca >5200 m above sea level [asl]); alpine meadow and scrubland, alpine steppe and shrubland, alpine desert in the central plateau, plat ...
Early-Holocene warming in Beringia and its mediation by sea
... Modern vegetation is a mosaic of forest and tundra communities. The northern Siberian coastlands, western and northern Alaska, Banks Island and the Canadian Beaufort Sea coastlands are characterized by tundra. Shrubs of varying stature dominate in many areas, but grasses and sedges characterize wet ...
... Modern vegetation is a mosaic of forest and tundra communities. The northern Siberian coastlands, western and northern Alaska, Banks Island and the Canadian Beaufort Sea coastlands are characterized by tundra. Shrubs of varying stature dominate in many areas, but grasses and sedges characterize wet ...
Climate Change Adaptation Plan
... The Adaptation Action Plan (see Table 1) is the main outcome of the Climate Change Adaptation project. This framework presents the key issues identified by the community that may result from climate change. Impacts may be perceived as positive and/or negative. For example, the increased presence of ...
... The Adaptation Action Plan (see Table 1) is the main outcome of the Climate Change Adaptation project. This framework presents the key issues identified by the community that may result from climate change. Impacts may be perceived as positive and/or negative. For example, the increased presence of ...
before the secretary of the interior petition to list the emperor penguin
... commercial fishery. Several emperor penguin colonies have suffered significant longterm declines in population and reproductive success. Studied populations have declined by upwards of 70% in the face of changing climate conditions. Indeed, warming-induced loss of sea ice has already caused the loss ...
... commercial fishery. Several emperor penguin colonies have suffered significant longterm declines in population and reproductive success. Studied populations have declined by upwards of 70% in the face of changing climate conditions. Indeed, warming-induced loss of sea ice has already caused the loss ...
Ocean Currents and Climate - History Programs
... journalist some of the talk in the air at Woods Hole. It seemed possible, he said, that during warmer past epochs the North Atlantic water had not been cold enough to sink, so the oceans had stopped overturning. That might happen in future if a greenhouse effect caused by humanity’s emissions of CO2 ...
... journalist some of the talk in the air at Woods Hole. It seemed possible, he said, that during warmer past epochs the North Atlantic water had not been cold enough to sink, so the oceans had stopped overturning. That might happen in future if a greenhouse effect caused by humanity’s emissions of CO2 ...