Sentences with phrase «how past climate change»

Folk and coauthors built a new set of computational tools to infer how past climate change would have created new plant communities in the past where hybridization was possible.

To understand the implications of these changes, Beth Shapiro, an evolutionary biologist at Pennsylvania State University, University Park, and her colleagues wanted to know how past climate change had affected the genetic diversity and distribution of bears.

Not exact matches

«Temperature Anomalies» is a data visualization of the past century's changing climate that effectively captures how screwed we are.

The other, more trustworthy method is to look at how changes in CO2 have affected past climate, from the recent past to millions of years ago.

«If we can get a better understanding of the climate in the past, of the consequences of climate change and of how it shaped communities, then we might be able to interpret the future of biodiversity under the current climate change scenario,» says Guénard.

This special section of Science focuses on the current state of knowledge about the effects of climate change on natural systems, with particular emphasis on how knowledge of the past is helping us to understand potential biological impacts and improve predictive power.

But in the past several years, such questions have begun to give way to others, such as: How will the world adapt to a changing climate?

In a project focusing on how climate changes in the past affects the evolution of biodiversity, researchers tried to fill this knowledge gap.

Eight newfound Martian cliffs made up of layers of ice could tell us how the Red Planet's climate has changed in the past several million years

Armed with new maps and data sets produced in the past six months about how climate change could play out on the ground with infrastructure, local government officials in southeast Florida are starting to ask some tough questions: Will some roads have to be elevated or deemed unusable?

Data on past climates are vital for researchers seeking to understand how anthropogenic climate change will affect Earth?s ecosystems and species, including its effects on infectious diseases and food security.

Washington State University archaeologists are at the helm of new research using sophisticated computer technology to learn how past societies responded to climate change.

The questions of whether Venus is geologically active and how the planet has resurfaced over the past billion years have major implications for interior dynamics and climate change.

The findings, published in the journal Nature Communications, show that integrating evidence from historical writings with paleoclimate data can advance both our understanding of how the climate system functions, and how climatic changes impacted past human societies.

By studying the chemistry of growth rings in the shells of the quahog clam, an international team led by experts from Cardiff University and Bangor University have pieced together the history of the North Atlantic Ocean over the past 1000 years and discovered how its role in driving the atmospheric climate has drastically changed.

Iron can fuel plankton blooms and influence how the ocean responds to climate change, while the lead images show the impact of past pollution on the ocean and continuing contamination in some parts of the world and aluminium is used as a tracer of desert dust inputs to the ocean.

By understanding how these fishes evolved, by understanding how we got from the past to the present, we can create a model for predicting what's going to happen as global climates change, as deforestation continues, and all of these aquatic habitats change.

Understanding exactly how such a social transformation occurred in the past may prove key to understanding how individuals might alter their behavior to help combat climate change in the future.

«Looking to the past is one of the few ways ecologist have for understanding how natural systems respond to climate change,» said Fitzpatrick of the Center's Appalachian Laboratory.

During the past few years, most of the reports that developing countries have filed with the U.N. on how they plan to adapt to climate change mention population growth as a complicating factor.

Repairing the climate could be that simple, or at least that is what climate scientist Wallace Broecker and science writer Robert Kunzig propose in Fixing Climate: What Past Climate Changes Reveal About the Current Threat — and How to Counter It (Hill and Wang,climate could be that simple, or at least that is what climate scientist Wallace Broecker and science writer Robert Kunzig propose in Fixing Climate: What Past Climate Changes Reveal About the Current Threat — and How to Counter It (Hill and Wang,climate scientist Wallace Broecker and science writer Robert Kunzig propose in Fixing Climate: What Past Climate Changes Reveal About the Current Threat — and How to Counter It (Hill and Wang,Climate: What Past Climate Changes Reveal About the Current Threat — and How to Counter It (Hill and Wang,Climate Changes Reveal About the Current Threat — and How to Counter It (Hill and Wang, $ 25).

Bandicoot fossils are important for understanding how Australia's unique biodiversity has reacted to climate change in the past.

In their study of how forests in Central Europe might adjust to climate change, Vitali and Bauhus studied the past growth of more than 800 trees at different altitudes in the Black Forest.

The new paper stems from a National Science Foundation - funded, interuniversity research project which focuses on understanding how water sustainability in the United States has changed over the past 30 years as a result of climate change and population growth.

But one thing hasn't changed: She's still studying climate, only this time through the lens of anthropology, looking at how climate shifts of the past influenced politics in ancient Mayan civilizations.

«To predict how climate change will impact the future, it's important to know what has happened in the past,» said Joshua Feinberg, a University of Minnesota associate professor of Earth Sciences and associate director of the Institute for Rock Magnetism, who supervised the research.

But the questionnaire, which asks for averages based on weather conditions over the past 10 years, does not require cities to anticipate how climate may change in the seven to eight years between bidding and hosting the games.

«Some fungal outbreaks over the past couple of decades, such as Dothistroma needle blight, could likely have been anticipated by tracking how temperature and precipitation were changing together,» said Mahony, who has worked as a forester in British Columbia for 10 years and has witnessed the impacts of climate change on the ground.

By studying the past climate, scientists can understand better how temperature responds to changes in greenhouse - gas concentrations in the atmosphere.

«Arctic climates are particularly unstable and are changing rapidly today,» Mann said, «This means the Arctic is an interesting place to study how climate changes cause extinctions, and the past gives us many interesting examples of extinction there.

To reconstruct accurate climate records for the past and forecast climate changes for the future, modelers need to know just how passive trees really are when it comes to air temperature.

«How the climate has been changing over the past few decades of anthropogenic influence really has manifest itself quite well» in these studies, O'Neel said.

«The new work improves our understanding of history, allowing better model tests and allowing better assessment of how the ice responded to climate changes in the past,» Alley said, «and this will help in making better and more - reliable projections for the future.»

«We want to know if species will be able to adapt to climate change quickly enough based on how they adapted to climate change in the past,» says evolutionary ecologist John Wiens, of the University of Arizona in Tucson, and lead author of the new study.

The researchers examined various reconstructions of past temperatures and CO2 levels to determine how the climate system has responded to previous changes in its energy balance.

In order to understand how El Niño responds to various climate forces, researchers test model predictions of past El Niño changes against actual records of past ENSO activity.

Stott plans to investigate how ocean warming led to a CO2 rise in the past, research that could also have implications for present climate change.

The NRC asked the committee to summarize current scientific information on the temperature record for the past two millennia, describe the main areas of uncertainty and how significant they are, describe the principal methodologies used and any problems with these approaches, and explain how central is the debate over the paleoclimate temperature record to the state of scientific knowledge on global climate change.

Over the past decade scientists thought they had figured out how to protect humanity from the worst dangers of climate change.

But as anyone who has watched the past 15 years of international climate negotiations can attest, most countries are still reluctant to take meaningful steps to lower their production of greenhouse gases, much less address issues such as how to help developing countries protect themselves from the extreme effects of climate change.

Indeed, the main quandary faced by climate scientists is how to estimate climate sensitivity from the Little Ice Age or Medieval Warm Period, at all, given the relative small forcings over the past 1000 years, and the substantial uncertainties in both the forcings and the temperature changes.

If we can understand how reptiles responded to climate change in the past, we can better predict how climate change will affect reptiles now.

«Also, we feel that if we can understand how fish coped with low - oxygen, high CO2, acidic waters in the past, it will give us some insight into how they might cope with man - made climate change which appears to be giving rise to such conditions again,» Dr Rummer says.

But how much has past climate change influenced human affairs?

If the climate sensitivity is low, for example due to increasing low - lying cloud cover reflecting more sunlight as a response to global warming, then how can these large past climate changes be explained?

A missing link in the story of how the fishes triumphed over toxic oceans and past climate changes has been revealed by an international team of scientists.

Mike Wallace's talk was about the «National Research Council Report on the «Hockey Stick Controversy»... The charge to the committee, was «to summarize current information on the temperature records for the past millennium, describe the main areas of uncertainty and how significant they are, describe the principal methodologies used and any problems with these approaches, and explain how central is the debate over the paleoclimate record within the overall state of knowledge on global climate change.»

In the Forest chapter, we interpret how past and projected changes in climate — as described in the Climate chapter — may influence Montana fclimate — as described in the Climate chapter — may influence Montana fClimate chapter — may influence Montana forests.

Because this climate sensitivity is derived from empirical data on how Earth responded to past changes of boundary conditions, including atmospheric composition, our conclusions about limits on fossil fuel emissions can be regarded as largely independent of climate models.

In addition to exploring how the past climate has changed and its effects on Montana, the MCA explored how future projected climate change would also affect water, forests, and agriculture across the state.