Waning habitats due to climate change: effects of streamflow and
... Linnaeus 1758), and their synergistic relationships at the rear edge of its natural distribution. 31 sites in 14 mountain rivers and streams were studied in Central Spain. Models at several sites were built using regression trees for streamflow, and a non-linear regression method for stream temperat ...
... Linnaeus 1758), and their synergistic relationships at the rear edge of its natural distribution. 31 sites in 14 mountain rivers and streams were studied in Central Spain. Models at several sites were built using regression trees for streamflow, and a non-linear regression method for stream temperat ...
Arctic Paleoclimate Synthesis Thematic Papers
... As the planet cooled from peak warmth in the early Cenozoic, extensive Northern Hemisphere ice sheets developed by 2.6 Ma ago, leading to changes in the circulation of both the atmosphere and oceans. From w2.6 to w1.0 Ma ago, ice sheets came and went about every 41 ka, in pace with cycles in the til ...
... As the planet cooled from peak warmth in the early Cenozoic, extensive Northern Hemisphere ice sheets developed by 2.6 Ma ago, leading to changes in the circulation of both the atmosphere and oceans. From w2.6 to w1.0 Ma ago, ice sheets came and went about every 41 ka, in pace with cycles in the til ...
Temperature and precipitation history of the Arctic
... As the planet cooled from peak warmth in the early Cenozoic, extensive Northern Hemisphere ice sheets developed by 2.6 Ma ago, leading to changes in the circulation of both the atmosphere and oceans. From w2.6 to w1.0 Ma ago, ice sheets came and went about every 41 ka, in pace with cycles in the til ...
... As the planet cooled from peak warmth in the early Cenozoic, extensive Northern Hemisphere ice sheets developed by 2.6 Ma ago, leading to changes in the circulation of both the atmosphere and oceans. From w2.6 to w1.0 Ma ago, ice sheets came and went about every 41 ka, in pace with cycles in the til ...
climate change in the texan mind
... Many Texans are engaged in actions to limit global warming—and are interested in doing them more frequently. ...
... Many Texans are engaged in actions to limit global warming—and are interested in doing them more frequently. ...
Climatic drivers of hemispheric asymmetry in global patterns of ant
... support for different models (Burnham & Andersen ...
... support for different models (Burnham & Andersen ...
Modelling forest growth and carbon storage in response to
... and nutrient cycles, but in order to apply these models to simulations for the whole globe, several simplifications usually had to be made. It is not clear to what extent these simplifications may have introduced unintended spurious results that do not correspond with reality. Melillo et al. (1996) ...
... and nutrient cycles, but in order to apply these models to simulations for the whole globe, several simplifications usually had to be made. It is not clear to what extent these simplifications may have introduced unintended spurious results that do not correspond with reality. Melillo et al. (1996) ...
Marine Phytoplankton Temperature versus Growth Responses from
... enermis [42] that have only recently been isolated. In addition to testing the efficacy of this community-wide pilot study, this research provides insights as to how regional projections of warming might alter the physiological performance of phytoplankton groups/species that reside in distinctly di ...
... enermis [42] that have only recently been isolated. In addition to testing the efficacy of this community-wide pilot study, this research provides insights as to how regional projections of warming might alter the physiological performance of phytoplankton groups/species that reside in distinctly di ...
Future risk of record-breaking summer temperatures and its
... Naylor (2009) examined the probability that summers at the end of the 21st century will be warmer than the record to date. They showed that by the end of the 21st century under a scenario of continued rise in greenhouse gas (GHG) concentrations, the probability of exceeding the historical summer tem ...
... Naylor (2009) examined the probability that summers at the end of the 21st century will be warmer than the record to date. They showed that by the end of the 21st century under a scenario of continued rise in greenhouse gas (GHG) concentrations, the probability of exceeding the historical summer tem ...
Adaptation to Climate Change: Evidence from US Agriculture
... originally appeared hostile (Olmstead and Rhode, 2011). Somewhat in contrast, Hornbeck (2012) exploits variation in soil erosion during the 1930’s American Dust Bowl to show that negative environmental shocks can have substantial and lasting effects on productivity. Using data from a more recent pe ...
... originally appeared hostile (Olmstead and Rhode, 2011). Somewhat in contrast, Hornbeck (2012) exploits variation in soil erosion during the 1930’s American Dust Bowl to show that negative environmental shocks can have substantial and lasting effects on productivity. Using data from a more recent pe ...
Chapter 6 _4_ - Mater Academy of International Studies
... Ecological Footprint Ecologists refer to the human impact on the biosphere using a concept called the ecological footprint. The ecological footprint describes the total area of functioning land and water ecosystems needed both to provide the resources an individual or population uses and to absorb t ...
... Ecological Footprint Ecologists refer to the human impact on the biosphere using a concept called the ecological footprint. The ecological footprint describes the total area of functioning land and water ecosystems needed both to provide the resources an individual or population uses and to absorb t ...
6.4 Meeting Ecological Challenges
... Ecological Footprint Ecologists refer to the human impact on the biosphere using a concept called the ecological footprint. The ecological footprint describes the total area of functioning land and water ecosystems needed both to provide the resources an individual or population uses and to absorb t ...
... Ecological Footprint Ecologists refer to the human impact on the biosphere using a concept called the ecological footprint. The ecological footprint describes the total area of functioning land and water ecosystems needed both to provide the resources an individual or population uses and to absorb t ...
Regional temperature change over the HuangHuaiHai Plain of
... ABSTRACT: Irrigation and urbanization, two widely occurring land-use/land-cover changes, have important influences on regional climate, especially on temperature. The effect of irrigation and urbanization on temperature is separately documented in several studies. However, there are few studies anal ...
... ABSTRACT: Irrigation and urbanization, two widely occurring land-use/land-cover changes, have important influences on regional climate, especially on temperature. The effect of irrigation and urbanization on temperature is separately documented in several studies. However, there are few studies anal ...
Climate Change: what do we know about the IPCC?
... goal: to change the terms of Revelle’s experiment by bringing the worldwide emissions of greenhouse gases under directed management. We do not know the outcome of either experiment, but what connects them together is predictive knowledge ... putative knowledge about how future climate may evolve ov ...
... goal: to change the terms of Revelle’s experiment by bringing the worldwide emissions of greenhouse gases under directed management. We do not know the outcome of either experiment, but what connects them together is predictive knowledge ... putative knowledge about how future climate may evolve ov ...
Note: Names are bolded if their comments have been incorporated
... and their interaction were the independent variables. While the ideal approach would be to include some measure of climate change through time at each of our sites in our GLM models, present data do not permit such an analysis, nor are they ever likely to. Latitudes covered both by our database and ...
... and their interaction were the independent variables. While the ideal approach would be to include some measure of climate change through time at each of our sites in our GLM models, present data do not permit such an analysis, nor are they ever likely to. Latitudes covered both by our database and ...
Past and recent changes in air and permafrost temperatures in
... measurements were performed. However, only monthly averaged temperatures were available. High inertia mercury thermometers were used for the ground temperature measurements. Such thermometers provide an accuracy of about ± 0.1 °C. Generally, the accuracy and quality of measurements varied depending ...
... measurements were performed. However, only monthly averaged temperatures were available. High inertia mercury thermometers were used for the ground temperature measurements. Such thermometers provide an accuracy of about ± 0.1 °C. Generally, the accuracy and quality of measurements varied depending ...
Equator-to-pole temperature differences and the extra
... The extratropical storm tracks are an important component of the climate system. They impact the general circulation of the atmosphere and oceans through the transport of heat, momentum and moisture and they have considerable societal impacts through their associated weather phenomena (Pinto et al. ...
... The extratropical storm tracks are an important component of the climate system. They impact the general circulation of the atmosphere and oceans through the transport of heat, momentum and moisture and they have considerable societal impacts through their associated weather phenomena (Pinto et al. ...
Predicting the sensitivity of butterfly phenology to temperature over
... P < 0.001). As such, there is both broad spatial coverage for any given time period and a wide time span represented in any given region, allowing the effects of space and time to be statistically distinguished unambiguously. Moreover, the increase in collection records in recent years would only in ...
... P < 0.001). As such, there is both broad spatial coverage for any given time period and a wide time span represented in any given region, allowing the effects of space and time to be statistically distinguished unambiguously. Moreover, the increase in collection records in recent years would only in ...
Climate change in Australia | Southern and South
... Projections are generally given for two 20-year time periods: the near future 2020–2039 (herein referred to as 2030) and late in the century 2080–2099 (herein referred to as 2090). The spread of model results are presented as the range between the 10th and 90th percentile in the CMIP5 ensemble outpu ...
... Projections are generally given for two 20-year time periods: the near future 2020–2039 (herein referred to as 2030) and late in the century 2080–2099 (herein referred to as 2090). The spread of model results are presented as the range between the 10th and 90th percentile in the CMIP5 ensemble outpu ...
We Have Been Conned - The Science and Public Policy Institute
... other material that might support a specific hypothesis. Its reports are not an honest assessment of climate because they omit, dismiss or distort research findings that do not conform to a certain belief, and if those reports are supposed to focus only on any possible human influence on climate the ...
... other material that might support a specific hypothesis. Its reports are not an honest assessment of climate because they omit, dismiss or distort research findings that do not conform to a certain belief, and if those reports are supposed to focus only on any possible human influence on climate the ...
Precipitation response of monsoon low
... investigated how precipitation intensity changes in a warming world [i.e., Allen and Ingram, 2002; Pall et al., 2007; O’Gorman and Schneider, 2009; Muller et al., 2011; Romps, 2011; Loriaux et al., 2013; Attema et al., 2014]. Allen and Ingram [2002] found that the global mean precipitation increases ...
... investigated how precipitation intensity changes in a warming world [i.e., Allen and Ingram, 2002; Pall et al., 2007; O’Gorman and Schneider, 2009; Muller et al., 2011; Romps, 2011; Loriaux et al., 2013; Attema et al., 2014]. Allen and Ingram [2002] found that the global mean precipitation increases ...
Adaptation to Climate Change: Evidence from US Agriculture September 30, 2013
... “shock” that is very representative of what future climate change will likely bring. Similar to Hornbeck, we find limited evidence that agricultural productivity has adapted to these environmental changes, with fairly negative implications for the future impacts of climate change on the agricultura ...
... “shock” that is very representative of what future climate change will likely bring. Similar to Hornbeck, we find limited evidence that agricultural productivity has adapted to these environmental changes, with fairly negative implications for the future impacts of climate change on the agricultura ...
Forest growth and species distribution in a changing climate
... Summary Climate change has many potential effects on plants, some detrimental to growth, others beneficial. Increasing CO2 concentration can increase photosynthetic rates, with the greatest increases likely to be in C3 plants growing in warm dry conditions. Increasing temperature directly affects pl ...
... Summary Climate change has many potential effects on plants, some detrimental to growth, others beneficial. Increasing CO2 concentration can increase photosynthetic rates, with the greatest increases likely to be in C3 plants growing in warm dry conditions. Increasing temperature directly affects pl ...
All flavours of El Niño have similar early subsurface origins - e
... every 2–7 years, whereas the El Niño/Southern Oscillation itself varies on decadal timescales in frequency and amplitude, with a different spatial pattern of surface anomalies2 each time the tropical Pacific undergoes a regime shift. Recent work has shown that Bjerknes feedback3,4 (coupling of the a ...
... every 2–7 years, whereas the El Niño/Southern Oscillation itself varies on decadal timescales in frequency and amplitude, with a different spatial pattern of surface anomalies2 each time the tropical Pacific undergoes a regime shift. Recent work has shown that Bjerknes feedback3,4 (coupling of the a ...
Winter jet stream trends over the Northern Hemisphere
... residuals, a sampling distribution for the regression coefficient b is developed using 1000 time series generated by the slope estimate and bootstrapped errors of the AR1 model, and the b distribution’s quantiles are used to calculate confidence limits. The parametric method and bootstrap method are ...
... residuals, a sampling distribution for the regression coefficient b is developed using 1000 time series generated by the slope estimate and bootstrapped errors of the AR1 model, and the b distribution’s quantiles are used to calculate confidence limits. The parametric method and bootstrap method are ...
Plot-scale evidence of tundra vegetation change and links to recent
... Sarah C. Elmendorf, Gregory H. R. Henry, Robert D. Hollister et al.* Temperature is increasing at unprecedented rates across most of the tundra biome1 . Remote-sensing data indicate that contemporary climate warming has already resulted in increased productivity over much of the Arctic2,3 , but plot ...
... Sarah C. Elmendorf, Gregory H. R. Henry, Robert D. Hollister et al.* Temperature is increasing at unprecedented rates across most of the tundra biome1 . Remote-sensing data indicate that contemporary climate warming has already resulted in increased productivity over much of the Arctic2,3 , but plot ...