Sentences with phrase «climate changes over time»

21 B. Climatic Changes Climate changes over time because of many reasons — many which are unknown!
My prime area of research was climatology, particularly how climate changes over time and the impact of those changes on human history and the human condition.
Chile stretches from 30 ° S to 56 ° S. Its climate changes over time according to the shift in the high pressure cells that divide the south east trades (dry regime) from the westerlies (wet regime).
The second unit includes nine lessons that explore how scientists study ancient climates and how climate changes over time.
Studying how the dwarf planet's climate changed over time shows it once had the right conditions for liquid to flow on its surface - and may still have buried lakes today
The researchers hope their work will help resource managers and scientists keep a close eye on species that are moving north with climate change over time, and predict their impact on other species so they can concentrate conservation efforts and future research accordingly.
The California Climate Change Research Database includes research in a wide range of fields, including air quality, alternative energy sources, energy efficiency, climate change over time, and the impact of climate change on the ecosystem and biodiversity.
The cryosphere is sensitive to changing temperatures and provides some of the most visible signatures of climate change over time.

Not exact matches

Over time, the pipeline took on symbolic value of epic proportions, elevated by environmentalist and energy advocates alike into a proxy battle for climate change.
Climate change requires cooperation between countries over a period of decades but we don't have much time to waste.»
We simply won't be able to avoid dangerous climate change, as all our countries have pledged to do, unless we switch over time to using clean power for activities like driving our cars and heating our homes.
She officially took MacArthur's helm last year after over a decade as a top exec there, and has moved with bold decisiveness to streamline the foundation and focus its resources on some of the biggest challenges of our time, including climate change and mass incarceration.
While the risk will fall over time also without policy intervention, time is of the essence when it comes to climate change investments, and therefore policy intervention to speed up this process and alter the risk - return ratio for investors is warranted.
A new study that looks at climate change over the past 11,300 years — a record length of time for any study — suggests that the current trend of global warming is unprecedented.
Over time, through hunting as well as climate change, and migration to less hospitable areas, dinosaurs were simply hunted to extinction and the survivors couldn't survive the climate.
Dr. Hayhoe is the co-author of the book A Climate for Change: Global Warming Facts for Faith - Based Decisions and describes herself as «a spokesperson with one principal goal — to bring public awareness to the simple truth that the scientific debate is over, and now it's time for all of us to take action.»
Although it will be incredibly difficult to ever match his contributions on the pitch, it's vitally important for a former club legend, like Henry, to publicly address his concerns regarding the direction of this club... regardless of those who still feel that Henry has some sort of agenda due to the backlash he received following earlier comments he made on air regarding Arsenal, he has an intimate understanding of the game, he knows the fans are being hosed and he feels some sense of obligation, both professionally and personally, to tell it like he sees it... much like I've continually expressed over the last couple months, this team isn't evolving under this current ownership / management team... instead we are currently experiencing a «stagnant» phase in our club's storied history... a fact that can't be hidden by simply changing the formation or bringing in one or two individuals... this team needs fundamental change in the way it conducts business both on and off the pitch or it will continue to slowly devolve into a second tier club... regardless of the euphoria surrounding our escape act on Friday evening, as it stands, this club is more likely to be fighting for a Europa League spot for the foreseeable future than a top 4 finish... we can't hope for the failures of others to secure our place in the top 4, we need to be the manufacturers of our own success by doing whatever is necessary to evolve as an organization... if Wenger, Gazidis and Kroenke can't take the necessary steps following the debacle they manufactured last season, their removal is imperative for our future success... unfortunately, I strongly believe that either they don't know how to proceed in the present economic climate or they are unwilling to do whatever it takes to turn this ship around... just look at the current state of our squad, none of our world class players are under contract beyond this season, we have a ridiculous wage bill considering the results, we can't sell our deadwood because we've mismanaged our personnel decisions and contractual obligations, we haven't properly cultivated our younger talent and we might have become one of the worst clubs ever when it comes to way we handle our transfer business, which under Dein was one of our greatest assets... it's time to get things right!!!
Effects on one part of an ecosystem affect other parts over time, and climate change is already altering many natural habitats vital to New England.
With data collected over time, the study will increase our understanding of the local impacts of climate change and contribute to the natural history of Great Lakes fish.
A controversial piece on climate change by New York Times columnist Bret Stephens sparked a «#ShowYourCancellation» movement on social media over the weekend.
Methane or natural gas is 72 times more potent at capturing heat in the atmosphere than carbon dioxide over the first 20 years after release - and to deal with climate change, we need to focus on the next few decades.
According to Governor Paterson's Climate Action Council, which issued an Interim Report earlier this month identifying strategies to reduce greenhouse gas emissions 80 percent by 2050, the State over time will need to significantly increase deployment of solar technologies to address climate Climate Action Council, which issued an Interim Report earlier this month identifying strategies to reduce greenhouse gas emissions 80 percent by 2050, the State over time will need to significantly increase deployment of solar technologies to address climate climate change.
Since these set of ocean currents are known to influence global climate, the researchers were interested to see if it correlated with rainfall in the Western Hemisphere, and how such a correlation could change over time.
Venus's climate, like Earth's, has varied over time - the result of newly appreciated connections between geologic activity and atmospheric change
That's why we have to look at the balance in terms of what is cheaper: Can we reduce emissions of greenhouse gases today so that we can stabilize the earth's climate, rather than adapt to the impacts of climate change and incur much higher costs over a period of time?
In the draft climate change bill proposed by House Democrats, credits aimed at gaining emissions cuts by avoiding tropical deforestation would slowly decrease over time.
«Our study illustrates that the complexity of climate change, adaptation, and flood damage can be disentangled by surprisingly simple mathematical functions to provide estimates of the average annual costs of sea - level rise over a longer time period.»
«It is time to move on from the fake debate over whether climate change is real or poses a risk, and onto the worthy debate about what actions we must take to avoid a climate catastrophe,» he said in an email.
These include the safety of genetically modified organisms (GMOs) and foods grown with pesticides, the use of animals in research, whether climate change is mostly due to human activity, and whether humans have evolved over time.
«We can use this information to look at questions about climate change or human impact on environments by seeing how, over time, the ranges of insect species have changed
We highlight episodes of climate change that have disrupted ecosystems and trophic interactions over time scales ranging from years to millennia by changing species» relative abundances and geographic ranges, causing extinctions, and creating transient and novel communities dominated by generalist species and interactions.
Changes in water yield were largely related to changes in climate, but disturbance - related shifts in forest species composition and structure over time also played Changes in water yield were largely related to changes in climate, but disturbance - related shifts in forest species composition and structure over time also played changes in climate, but disturbance - related shifts in forest species composition and structure over time also played a role.
New research using ancient animal depictions tracks the collapse of Egypt's ecological networks one extinction at a time, offering a glimpse into how climate change and human impacts have altered the structure and stability of ecosystems over millennia.
«There must have been regional climate and chemical conditions that varied in time and space,» he says, adding that this would occur as the tilt of Mars's spin axis changed over tens of thousands of years, a wobble caused by the lack of a massive moon to stabilise the planet.
Lead author PhD student Adam Hejnowicz said: «Seagrass meadows could play a vital role in combating climate change as they are regarded as a net global sink for carbon.They have the capacity to bury significant deposits of organic carbon beneath the sediment, up to many metres thick in places and over millenary time scales.»
To model the projected impact of climate change on marine biodiversity, the researchers used climate - velocity trajectories, a measurement which combines the rate and direction of movement of ocean temperature bands over time, together with information about thermal tolerance and habitat preference.
So if researchers can chart the changes in the number of salmon that swim upstream, they can get an accurate history of alterations in the ocean — which gives evidence of how climate has changed over time.
The main goals are to find out much more about how the climate of Mars has changed over time, and whether it has ever been home to living organisms.
«This appears to be a carefully timed attempt to reignite controversy over the science behind climate change when that science has been vindicated by three separate independent reviews and a number of studies.»
A new NASA ice - elevation monitoring satellite called ICESAT, scheduled for launch in 2001, will help scientists watch for climate - change trends near the poles over a longer time frame, he notes.
«The change in flux described by our model happens over extremely long time periods, and it would be a mistake to think that these processes that are bringing about any of the atmospheric changes are occurring due to anthropomorphic climate change,» he said.
But according to Zeebe, climate sensitivity could change over time.
The researchers then went to an intermediate elevation and simulated climate change by reducing the snowpack, which made the plants flower seven days early, similar in magnitude to flowering time shifts over 20 to 30 years of climate change.
These data were evaluated in light of climate change and human migration patterns over the same time frame.
Over time, Richardson hopes the resulting trove of color data will help scientists understand — and better predict — how ecosystems like the Harvard Forest respond to changes in the climate.
Some of the methods used to predict at risk species are trend - based — an indicator of what happens gradually over time — while others are trait based, which uses signs of climate change in the current environment.
The world's surface temperatures have risen at a slower rate over the past 15 years than at any time since 1951, according to the Intergovernmental Panel on Climate Change.
The team found layers of sediment and rocks that built up over time, recording the flow of the ice sheet and reflecting climate change.
But the period of time over which the team analysed the long - term trend in warming was the past 50 years, in which this oscillation hasn't changed significantly — so almost all the warming looks to have been the result of anthropogenic climate change.
«Counterintuitively, rapid climate changes during the ice age were, at times, highly beneficial for megafauna when rapid warming allowed grasses and forbs to briefly spread before peatlands had a chance to take over the landscape and degrade forage quality,» said Groves.
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