Sentences with phrase «how changes in rainfall»

A University of Illinois research project spanning more than three decades and simulating another five decades analyzes how changes in rainfall will affect bird populations.

Not exact matches

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.

While the trends associated with climate change — hotter days, heavier rainfall and a greater number of extreme weather events — are present in the models, for many crops in Africa and Asia it's not clear how extensive the effects will be.

Climate change is likely to influence rainfall patterns in the Sierra Nevada as well as the amount of dust that makes its way into the atmosphere, so the hope is that a better understanding of how aerosols affect precipitation will help water managers in the future.

One of the subtle changes visible in the new data - set is how the Amazon's greenness corresponds to one of the long - known causes of rainfall or drought to the Amazon basin: changes in sea surface temperatures in the eastern Pacific Ocean, called the El Nino Southern Oscillation.

Swann's previous research looked at how a hypothetical massive tree planting in the Northern Hemisphere to slow global warming could have the unintended effect of changing tropical rainfall.

ENVIRONMENT • Climate Change By mapping equatorial rainfall since A.D. 800, scientists are finding out how weather in the tropics may change throughChange By mapping equatorial rainfall since A.D. 800, scientists are finding out how weather in the tropics may change throughchange through 2100.

Dr Stephen Grimes of Plymouth University, who initiated the research project, highlighted the climate changes that must have caused this increase in sediment erosion and transport — «We have climate model simulations of the effect of warming on rainfall during the PETM event, and they show some changes in the average amounts of rainfall, but the largest change is how this rainfall is packaged up — it's concentrated in more rapid, extreme events — larger and bigger storms.»

Sensitivity is a measure of how much species» numbers change as a result of year - to - year changes in the weather — each species is sensitive to different aspects of the climate, such as winter temperature or summer rainfall.

Researchers are drilling for clues to how dramatic changes in African rainfall and vegetation shaped our species.

Scientists at the University of Sydney have analysed up to 22 years of long - term monitoring data on plants and animals in central Australia to project how changing rainfall and wildfire patterns, because of climate change, will influence desert wildlife.

Such trends mean scientists and policymakers will have to factor in how synthetic climate forcers other than greenhouse gases will change temperature, rainfall and weather extremes.

Under the Obama administration, climate change has been on the Department of Defense's radar from how it affects national security to how military installations around the world should prepare for climate impacts, like sea level rise at naval bases, melting permafrost in the Arctic and more extreme rainfall events around the world.

«The biggest takeaway is that understanding variations in both rainfall and temperature is important for predicting how climate, as well as climate change, affect tree growth.»

Using nearly 9000 samples from oak, pine and larch, Büntgen and colleagues were able to reconstruct how temperatures and rainfall in western Europe changed over the last 2500 years.

We also do not understand how monsoon rainfall will respond to changes in emissions of pollutants or to climate change.

«Snails could potentially be a really useful tool to fill in the puzzle pieces of how rainfall changed in the past and how it changed spatially.»

How will albedo changes, increased rainfall and melt in Greenland affect ice degradation?

These differences between projected and observed trends in rainfall seem to raise serious questions about the ability of the models to predict changes in rainfall — though Iâ $ ™ d be interested in CSIRO views, especially on whether it is appropriate to use successive 11 - year averages as measures of outcome and, if it is not, how the relationship between projections and outcome should be monitored.

Euresia Review: How will rainfall patterns across the tropical Indian and Pacific regions change in a future warming world?

In a new study, researchers examined rainfall data gathered across Africa, consulting records dating back to 1920 and noting how changing conditions affected regions around the boundaries of the great desert.

As in that study, they analyzed the history of rainfall measurements in the region to work out just how unusual the incredible rainfall totals from Harvey were — and whether the chances of an event like that have changed over time.

They include the physical, chemical and biological processes that control the oceanic storage of carbon, and are calibrated against geochemical and isotopic constraints on how ocean carbon storage has changed over the decades and carbon storage in terrestrial vegetation and soils, and how it responds to increasing CO2, temperature, rainfall and other factors.

I spent a week listening to 80 paleoclimatoligists and climate modelers argue about the interpretation of the data from ice and sediment cores, how it eliminated some proposed explanations for what was driving the changes in temperature and rainfall, and how it suggested other possible explanations.

In fragile contexts more than anywhere else, it is essential to realise how climate impacts — such as changing rainfall patterns, increased natural disasters and constraints to carbon - based economic growth — will have knock - on consequences on the national economy, trade, development, equity, governance and political stability.

Firstly, there is uncertainty about the future levels of greenhouse gas emissions driving climate change [34] and considerable uncertainty in modeling how this will affect other aspects of climate such as local rainfall or temperatures.

While it is impossible at this point in time to know how much the August 2016 rainfall was affected by climate change, it is clear that these events will be more common in the future.

I should add that there is considerable uncertainty associated with the models suggesting decreases in rainfall, and uncertainty as to how Amazon forests may react (especially when one considers the impacts of deforestation, logging, and fire combined with climate change impacts).

Almost half the world's population gets its water from glacier melt and rainfall in the Himalayas and other lofty peaks, yet little is understood about how climate change will affect these water sources.

Researchers at Vanderbilt University and Stanford University say their comprehensive map of the region's climate 21,000 years ago is helping them test and improve climate models that can predict how rainfall patterns might change in the future.

«Until we focus on regional phenomena, in a place like Australia we may struggle to know exactly how rainfall, heat waves and sea level rise will change in different parts of our country,» said Sarah Perkins - Kirkpatrick, of the University of New South Wales, and a co-author.

However, in contrast, there has been an increase in the daily rainfall variability during July - August by five per cent, says the study.They evaluated how the characteristics of wet spells, with days of heavy rain, and dry spells have changed between two 30 - year periods, 1951 to 1980 and 1981 to 2011.

In our new study, published today in Nature Climate Change, we discuss how the scientific community is making progress towards detecting human - induced change in regional rainfall, even in the face of such challengeIn our new study, published today in Nature Climate Change, we discuss how the scientific community is making progress towards detecting human - induced change in regional rainfall, even in the face of such challengein Nature Climate Change, we discuss how the scientific community is making progress towards detecting human - induced change in regional rainfall, even in the face of such challChange, we discuss how the scientific community is making progress towards detecting human - induced change in regional rainfall, even in the face of such challchange in regional rainfall, even in the face of such challengein regional rainfall, even in the face of such challengein the face of such challenges.

In our study, we discuss how new ways of identifying changes in regional rainfall are beginning to show some success, even in the presence of imperfect models and measurementIn our study, we discuss how new ways of identifying changes in regional rainfall are beginning to show some success, even in the presence of imperfect models and measurementin regional rainfall are beginning to show some success, even in the presence of imperfect models and measurementin the presence of imperfect models and measurements.