نتایج جستجو برای: thermal climate

تعداد نتایج: 381356  

2016
Bastian Hoffmann Sebastian Häfele Ute Karl

The majority of thermal power plants of more than 300 MW use river water for cooling purposes. Increasing water and air temperatures due to climate change can significantly impact the efficiency and the power production of these power plants. In this paper we analyse these impacts by modelling selected German thermal power plant units and their respective cooling systems through dynamic simulat...

Journal: :Global change biology 2017
Rory S Telemeco Brooke Fletcher Ofir Levy Angela Riley Yesenia Rodriguez-Sanchez Colton Smith Collin Teague Amanda Waters Michael J Angilletta Lauren B Buckley

Although observations suggest the potential for phenotypic plasticity to allow adaptive responses to climate change, few experiments have assessed that potential. Modeling suggests that Sceloporus tristichus lizards will need increased nest depth, shade cover, or embryonic thermal tolerance to avoid reproductive failure resulting from climate change. To test for such plasticity, we experimental...

Journal: :The Journal of experimental biology 2017
Miriam Fenkes John L Fitzpatrick Karlina Ozolina Holly A Shiels Robert L Nudds

Climate change alters the thermal habitat of aquatic species on a global scale, generating novel environmental challenges during all life stages, including reproduction. Changes in water temperature profoundly influence the performance of ectothermic aquatic organisms. This is an especially crucial issue for migratory fish, because they traverse multiple environments in order to reproduce. In e...

Azad ahmadi Behroz Aminzadeh Mohammad Reza Najafian Gorgi Moslem Torkiharchegani,

Climate is one of the most important factors that influence the quality and quantity of crops. Understanding the natural features of any region, especially about the climate, can play a major role in making plans and land use planning. Sugar beet, is one of the major industrial plants, that in addition to producing one of the most fundamental basic needs of society, namely sugar, it can have ot...

2018
Charlene Janion-Scheepers Laura Phillips Carla M Sgrò Grant A Duffy Rebecca Hallas Steven L Chown

Soil systems are being increasingly exposed to the interactive effects of biological invasions and climate change, with rising temperatures expected to benefit alien over indigenous species. We assessed this expectation for an important soil-dwelling group, the springtails, by determining whether alien species show broader thermal tolerance limits and greater tolerance to climate warming than t...

Journal: :Ecology letters 2012
Santiago Salinas Stephan B Munch

Transgenerational plasticity (TGP), a generalisation of more widely studied maternal effects, occurs whenever environmental cues experienced by either parent prior to fertilisation results in a modification of offspring reaction norms. Such effects have been observed in many traits across many species. Despite enormous potential importance-particularly in an era of rapid climate change-TGP in t...

Journal: :Biology letters 2013
D J McCafferty C Gilbert A-M Thierry J Currie Y Le Maho A Ancel

Emperor penguins Aptenodytes forsteri are able to survive the harsh Antarctic climate because of specialized anatomical, physiological and behavioural adaptations for minimizing heat loss. Heat transfer theory predicts that metabolic heat loss in this species will mostly depend on radiative and convective cooling. To examine this, thermal imaging of emperor penguins was undertaken at the breedi...

2010
Grégory Beaugrand Richard R. Kirby

Recent strategies to sustain fish stocks have suggested a move towards an ecosystem based fisheries management (EBFM) approach. While EBFM considers the effect of fishing at the ecosystem level, it generally struggles with climate-driven environmental variability. In this study we show that the position of a fish stock within its distributional range or thermal niche (we use Icelandic and North...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

2000
Andreas Matzarakis Helmut Mayer

Freiburg is a city with about 200.000 inhabitants located in the southwest of Germany where thermal level is the highest within the country. Therefore, urban climate plays a dominant role in urban planning in Freiburg. Due to its location in the river Rhine's valley, urban climate in Freiburg is influenced by a regional wind system (‘Hoellentaeler“) caused by the near black forest (Gross 1989)....

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