Sentences with phrase «in drought severity»

In addition to causing more downpours, these enhanced evaporation rates are also leading to an increase in drought severity in places that are already dry, like California.
No formal attribution studies for changes in drought severity in North America have been attempted.
A vicious trend that worsened again in recent days with yet another jump in drought severity as exceptional drought conditions surged to cover a majority of the state.
The study found a similar response in trees across the world, where death increases consistently with increases in drought severity.
These results illustrate how changes in drought severity can alter the transmission dynamics of vector - borne diseases
The researchers found that most areas that saw increases in fire activity also experienced increases in drought severity during the same time period.
The study found a similar response in trees across the world, where death increases consistently with increases in drought severity.

Not exact matches

The after effects of climate change will worsen the severity and duration of droughts in years to come, the EEA says.
The impact of global warming has been linked to the severity of droughts, water scarcity, and food shortages in war - torn Syria.
For example, extreme droughts may reduce productivity due to water stress and increases in the frequency and severity of forest fires.
To study changes in soil moisture, the researchers used the Palmer drought severity index to examine average water availability and loss over the study period.
The impact of global warming has been linked to the severity of droughts, water scarcity, and food shortages in war - torn Syria, but now an internationally recognized expert on water resources has identified climate change as a factor contributing to political turmoil in the region.
They compared fluctuations in reservoir water levels between 2003 and 2016 to a variety of factors, such as precipitation, the severity of the drought, the snowpack levels in the Sierras, and levels of other California reservoirs.
Adding to the severity of the groundwater depletion, the 2012 - 2016 drought coincided with Central Valley farmers transitioning from row crops to more high - value, thirsty crops like almonds, pistachios and walnuts, which are grown in groves.
«We haven't seen much change in the severity of these fires, but they are getting bigger on average, which may be due to drought - driven shrub mortality.»
An analysis, published in the journal Ecology Letters, suggests that forests are at risk globally from the increased frequency and severity of droughts.
And fire severity is already increasing in many forests due to climate change — what is now thought of as a drought in some locations may be considered average by the end of the next century.
Several studies, including one published in 2015 in the journal Science Advances, estimate that the severity and frequency of droughts could increase.
Although droughts have been a natural part of the year - to - year variations in the Amazon's climate, both the frequency and severity of droughts in the rainforest have been increasing over the last decade because of climate change, Aragão says:
Many people are very worried, even scared, about abrupt climate change causing extreme weather events like torrential rains with floods, droughts, high winds, etc. increasing in severity, duration, frequency and impact.
They also observed a 1.55 percent increase in mortality rate when drought escalated to «high severity worsening» conditions.
Finally, the severity and length of the recent drought [e.g. Nicholls 2006] and the associated fire danger has not been seen in the available records.»
«The severity and frequency of droughts appear to have increased in parts of Europe, in particular in southern Europe and south ‐ eastern Europe.»
However, I am curious whether you will do the same with respect to the diminished nutritional value of these crops, the increased global prevailence and severity of droughts, diminished agricultural output in Indonesia, etc, or, as is suggested by your response, do you intend to «accentuate the positive» with regard to climate change by omitting the costs?
The increase in drought frequency, duration, and severity is found to be significant in Africa, Eastern Asia, Mediterranean region, and Southern Australia, while the Americas and Russia show a decrease in each drought component.
The connection between elevated greenhouse gases and drought in the American West is that greenhouse - induced warming is very likely to increase the frequency and severity of drought conditions in the region.
As far as we know, there is no reason why droughts of the duration, severity, and spatial extent experienced in the medieval period could not occur in the future.
And the Palmer Drought Severity Index, a standard measure for drought, does show a significant trend towards more serious drought conditions in California.
Some large high severity fires occurred in these areas during the 1950s drought, and subsequent droughts, but the largest total areas burned in forests were an order of magnitude smaller than the largest fires today.
BTW, as noted above, I should have paid more attention to the role of increased evaporation in increasing the severity of drought, and reducing streamflow, the relevant variable for my analysis.
Shows that over the next 30 years, increased drought severity from climate change could triple West Nile virus cases, but only in regions with low human immunity
During times of drought, the feedbacks of higher temperature extremes and dry conditions are likely to amplify both temperature extremes and drought severity in the United States.
Of course, the occurrence or severity of a particular drought or flood in a particular location depends on a lot of things, including natural climate patterns like El Nino.
Sliding correlations between the Central Valley Palmer drought severity index (PDSI) and the groundwater level (GW) in the following year (1 - yr lag; solid line) and in the same year (no lag; dashed line), computed with a 15 - year running window (one - sided).
resulting in increased severity and / or intensity of heat waves, heavy precipitation events, droughts, tropical cyclones and extreme high sea levels [AR4 WGI SPM, p. 8],
Every month from December 2013 to July 2015 except one has been below − 4 on the Palmer Drought Severity Index, indicating extreme drought (Fig. 1A) and providing evidence that this was the driest period in California from 1995 to 2015.
With increases in temperatures, drought severity likely will worsen, «implying that our results should be viewed as conservative,» the study reports.
A plot of the worldwide data for the Palmer Drought Severity Index shows that there has been an unprecedented decrease in world drought severity over the past 30 years, possibly due to the plant enhancing increaseSeverity Index shows that there has been an unprecedented decrease in world drought severity over the past 30 years, possibly due to the plant enhancing increaseseverity over the past 30 years, possibly due to the plant enhancing increase of CO2.
Warming accelerates land - surface drying as heat goes into evaporation of moisture, and this increases the potential incidence and severity of droughts, which has been observed in many places worldwide (Dai 2011).
The Drought Monitor, updated weekly, shows areas and severity of drought in California as of January, 17, 2017.
And since we currently seem incapable of predicting when droughts / floods will happen, or of what severity they will be when they do (in advance, that is), of what use are such «predictions»?
By the way, here is the Palmer Drought Severity Index for California in an historical perspective, which shows the recent drought was not as deep as the one in 1898.
These regions nevertheless experienced extended Medieval - era droughts that were more persistent than any historical event, providing crucial targets in the paleoclimate record for benchmarking the severity of future drought risks.
In the Southwest and Central Plains of Western North America, climate change is expected to increase drought severity in the coming decadeIn the Southwest and Central Plains of Western North America, climate change is expected to increase drought severity in the coming decadein the coming decades.
Even if rainfall amounts don't change in the future, drought and wildfire severity likely will because warmer temperatures are more efficient at evaporating what little moisture does fall.
``... For example, Sheffield and Wood (2008) found decreasing trends in the duration, intensity and severity of drought globally.
The 1940s saw several minor droughts — notably in 1949 — but the 1950s were consistently wet and expansion of agriculture to feed growing populations characterised this decade and many have thought it contributed to the severity of the subsequent Sahel droughts
The Palmer Drought Severity Index, which is a measure of soil moisture using precipitation measurements and rough estimates of changes in evaporation, has shown that from 1900 to 2002, the Sahel region of Africa has been experiencing harsher drought conditions.
California is experiencing warmer baseline conditions, driven by climate change, that have increased the frequency and severity of arid conditions in California, and increased the chance that low rainfall years will produce drought.
The storm was drought - related — and there may be more such storms to come, as global warming is expected to increase the frequency and severity of drought in southeastern Australia in coming decades.1
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