نتایج جستجو برای: temperature change

تعداد نتایج: 1005841  

2014
Lauren B. Buckley César R. Nufio

To what extent is insect hopping and feeding performance, which constrains the ability to obtain and assimilate resources, thermally adapted along an elevation gradient? Does temperature dependence vary between populations and species and can differences account for individualistic responses to past climate change? We investigate these questions for three species of grasshoppers along a Rocky M...

2003
Alfred Greiner Willi Semmler

This paper studies the dynamics of an economic growth model with global warming. Recent research on climate change suggests that there exists a negative feedback effect from global surface temperature and the capacity of the earth to reflect radiation. Our paper takes into account that the ratio of reflected to incident radiation of the earth, i.e. the albedo, negatively depends on the average ...

2014
Shashank Keshavmurthy Silvia Fontana Takuma Mezaki Laura del Caño González Chaolun Allen Chen

Marine invertebrates are particularly vulnerable to climatic anomalies in early life history stages because of the time spent in the water column. Studies have focused on the effect of seawater temperature on fertilization, development, and larval stages in corals; however, none of them show comparative results along an environmental gradient. In this study, we show that temperatures in the ran...

2009
Rachel Capon

Overheating during hot summers is a major risk which will increase under climate change. Thermal dynamic modelling is used to compare the current overheating risk of typical residential properties in the UK with the future overheating risk for the middle decades of this century, i.e. the period 20402069. A wide range of passive and low-energy climate change adaptation measures which could be re...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2012
Colin Goldblatt Andrew J Watson

The ultimate climate emergency is a 'runaway greenhouse': a hot and water-vapour-rich atmosphere limits the emission of thermal radiation to space, causing runaway warming. Warming ceases only after the surface reaches approximately 1400 K and emits radiation in the near-infrared, where water is not a good greenhouse gas. This would evaporate the entire ocean and exterminate all planetary life....

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Edouard L Davin Sonia I Seneviratne Philippe Ciais Albert Olioso Tao Wang

Changes in agricultural practices are considered a possible option to mitigate climate change. In particular, reducing or suppressing tillage (no-till) may have the potential to sequester carbon in soils, which could help slow global warming. On the other hand, such practices also have a direct effect on regional climate by altering the physical properties of the land surface. These biogeophysi...

2017
Supriya Mathew Deepika Mathur Anne B. Chang Elizabeth McDonald Gurmeet R. Singh Darfiana Nur Rolf Gerritsen

Preterm birth (born before 37 completed weeks of gestation) is one of the leading causes of death among children under 5 years of age. Several recent studies have examined the association between extreme temperature and preterm births, but there have been almost no such studies in arid Australia. In this paper, we explore the potential association between exposures to extreme temperatures durin...

2010

Impacts of long-term climate shifts on the dynamics of intact communities within species ranges are not well understood. Here, we show that warming and drying of the Southwestern United States over the last 25 years has corresponded to a shift in the species composition of Sonoran Desert winter annuals, paradoxically favoring species that germinate and grow best in cold temperatures. Winter rai...

2010
Andrew Wittenberg

Anthropogenic climate change is now well established as a global issue of scienti!c and political importance. One of the principal impacts of the gradual change associated with anthropogenic climate warming comes from a shi" in, or an exaggeration of, pre-existing natural variability. For example, if the average distribution of precipitation shi"s to higher or lower values, this can mean that t...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Michael Kearney Richard Shine Warren P Porter

Increasing concern about the impacts of global warming on biodiversity has stimulated extensive discussion, but methods to translate broad-scale shifts in climate into direct impacts on living animals remain simplistic. A key missing element from models of climatic change impacts on animals is the buffering influence of behavioral thermoregulation. Here, we show how behavioral and mass/energy b...

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