Current Droughts News and Events

Current Droughts News and Events, Droughts News Articles.
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Late rainy season reliably predicts drought in regions prone to food insecurity
The onset date of the yearly rainy season reliably predicts if seasonal drought will occur in parts of Sub-Saharan Africa that are particularly vulnerable to food insecurity, and could help to mitigate its effects. Shraddhanand Shukla and colleagues at the University of California, Santa Barbara's Climate Hazards Center, present these findings in the open-access journal PLOS ONE on January 20, 2021. (2021-01-20)

Intertropical Convergence Zone limits climate predictions in the tropical Atlantic
The strongest climate fluctuation on time scales of a few years is the so-called El NiƱo phenomenon, which originates in the Pacific. A similar circulation pattern exists in the Atlantic, which scientists under the leadership of GEOMAR Helmholtz Centre for Ocean Research Kiel have studied in more detail. Their results, now published in the international journal Nature Communications, contribute to a better understanding of this climate fluctuation and pose a challenge for prediction models. (2021-01-15)

New climate change study: Number of people suffering extreme droughts will double
Michigan State University is leading a global research effort to offer the first worldwide view of how climate change could affect water availability and drought severity in the decades to come. By the late 21st century, global land area and population facing extreme droughts could more than double -- increasing from 3% during 1976-2005 to 7%-8%, according to Yadu Pokhrel, associate professor of civil and environmental engineering in MSU's College of Engineering, and lead author of the research published in Nature Climate Change. (2021-01-11)

Research confirms increase in river flooding and droughts in US, Canada
Research demonstrates that increases in the frequency of both high- and low-flow extreme streamflow events 'are, in fact, widespread.' (2021-01-07)

Protecting the global food supply chain
The University of Delaware's Kyle Davis led a collaborative effort to research how to protect food chains from environmental shocks--everything from floods, droughts, and extreme heat to other phenomena like natural hazards, pests, disease, algal blooms, and coral bleaching. (2021-01-05)

Drought of the century in the Middle Ages -- with parallels to climate change today?
The transition from the Medieval Warm Period to the Little Ice Age was apparently accompanied by severe droughts between 1302 and 1307 in Europe. In the journal Climate of the Past, researchers from the Leibniz Institutes for the History and Culture of Eastern Europe (GWZO) and Tropospheric Research (TROPOS) write that the 1302-07 weather patterns display similarities to the 2018 weather anomaly, in which continental Europe experienced exceptional heat and drought. (2021-01-05)

Model predicts global threat of sinking land will affect 635 million people worldwide
A new analysis suggests that, by 2040, 19% of the world's population - accounting for 21% of the global Gross Domestic Product - will be impacted by subsidence, the sinking of the ground's surface, a phenomenon often caused by human activities such as groundwater removal, and by natural causes as well. (2020-12-31)

Largest study of Asia's rivers unearths 800 years of paleoclimate patterns
The SUTD study will be crucial for assessing future climatic changes and making more informed water management decisions. (2020-12-30)

Droughts, viruses and road networks: Trends that will impact our forests
A new UCPH study assembled an array of experts to highlight major trends that will impact the world's forests, and the people living around them, in the decade ahead. These trends include drought, viral outbreaks and vast infrastructure expansions across the globe. According to the researchers, a global strategy for human-nature interaction must be developed if we intend on ensuring the survival of both. (2020-12-22)

Exposure to metals can impact pregnancy
Exposure to metals such as nickel, arsenic, cobalt and lead may disrupt a woman's hormones during pregnancy, according to a Rutgers study. (2020-12-21)

Change in global precipitation patterns as a result of climate change
The Earth's climate system is largely determined by the differences in temperature between the tropics and the poles. Global warming is likely to cause global atmospheric circulation to change and progressively revert to a situation similar to that of 5,000 to 10,000 years ago. This is the conclusion of a study published in Nature Communications. (2020-12-17)

Southern Hemisphere westerly winds likely to intensify as climate warms
Polar climate scientists have created the most high resolution past record of the Southern Hemisphere westerly winds. The results, published this week (9 December) in the journal Communications Earth and Environment, describe how the winds are likely to intensify and migrate poleward as the climate warms. The study highlights the urgent need for better models to predict the future. (2020-12-09)

Temporal crop diversity stabilizes agricultural production
Securing food supplies around the globe is a challenge facing humanity, especially in light of the predicted increase in the world's population and the effects of climate change. Greater crop diversity in agriculture is seen as a stabilising factor for food security. Yet crop diversity alone is not sufficient. In an article for Nature, a team of researchers coordinated by the Helmholtz Centre for Environmental Research (UFZ) argue that it is also essential that crops differ in their temporal production patterns. (2020-12-09)

Peatland preservation vital to climate
Preserving the world's peatlands --- and the vast carbon stores they contain -- is vital to limiting climate change, researchers say. (2020-12-07)

Central Europe: dry Aprils pave the way for summer droughts
In the past 20 years, Central Europe has experienced six summer heat waves and droughts. Until now, however, it was unclear what factors led to these extreme events. (2020-12-07)

Tree rings provide evidence for climate regime shifts
Researchers at the Institute of Botany of the Chinese Academy of Sciences have given an overview on using tree rings to identify climate regime shifts in a perspective paper, they provided background in the field and discussed its advances. They also referenced a paper reporting a recent climate regime shift to a hotter and drier climate over inner East Asia. (2020-11-30)

Area burned by severe fire increased 8-fold in western US over past four decades
The number of wildfires and the amount of land they consume in the western US has substantially increased since the 1980s, a trend often attributed to ongoing climate change. Now, new research finds fires are not only becoming more common in the western US but the area burned at high severity is also increasing, a trend that may lead to long-term forest loss. (2020-11-30)

Link found between drought and HIV among women in less-developed countries
Lehigh University Professor Kelly Austin explores the consequences of drought and lack of environmental resources on women in less-developed countries. The research shows the direct and indirect associations to women's percentage of HIV. (2020-11-30)

Irreversible hotter and drier climate over inner East Asia
Researchers warn that heatwaves and concurrent droughts of Mongolia's semi-arid plateau have increased significantly during the past two decades, with troubling implications for the future. The change also has ramifications for atmospheric conditions across the Northern Hemisphere. (2020-11-26)

Tree rings capture an abrupt irreversible shift in east Asia's climate
The abrupt shift to hotter and drier conditions over inner East Asia is unprecedented and may herald an irreversible shift to a new climate regime for the region, according to a new study. (2020-11-26)

Climate change and 'atmospheric thirst' to increase fire danger and drought in NV and CA
Climate change and a ''thirsty atmosphere'' will bring more extreme wildfire danger and multi-year droughts to Nevada and California by the end of this century, according to new research from the Desert Research Institute (DRI), the Scripps Institution of Oceanography at the University of California, San Diego, and the University of California, Merced. (2020-11-19)

Geoscientists discover Ancestral Puebloans survived from ice melt in New Mexico lava tubes
New study explains how Ancestral Puebloans survived devastating droughts by traveling deep into the caves of New Mexico to melt ancient ice as a water resource. (2020-11-18)

Volcanic eruptions have more effect in summer
Modeling shows that volcanic eruptions can cause changes in global climate, if the timing is right. (2020-11-18)

Expect more mega-droughts
Mega-droughts - droughts that last two decades or longer - are tipped to increase thanks to climate change, according to University of Queensland-led research. (2020-10-29)

Warm central equatorial pacific sea surface temperatures and anthropogenic warming boosted the 2019 severe drought in East China
A persistent severe drought occurred over East China along the Yangtze River in 2019 that lasted from August to October and caused large-scale negative impacts on lake water shortages and local agriculture. Results show that the central equatorial Pacific ENSO and anthropogenic warming were likely responsible for this drought event. (2020-10-14)

New global temperature data will inform study of climate impacts on health, agriculture
A new data set provides high-resolution, daily temperatures from around the globe that could prove valuable in studying human health impacts from heat waves, risks to agriculture, droughts, potential crop failures, and food insecurity. (2020-10-13)

One-two punch
Drought is endemic to the American West along with heatwaves and intense wildfires. But scientists are only beginning to understand how the effects of multiple droughts can compound to affect forests differently than a single drought alone. (2020-10-12)

Droughts are threatening global wetlands: new study
University of Adelaide scientists have shown how droughts are threatening the health of wetlands globally. Published in the journal Earth-Science Reviews, the scientists highlight the many physical and chemical changes occurring during droughts that lead to severe, and sometimes irreversible, drying of wetland soils. (2020-10-09)

The cost of drought in Italy
Drought-induced economic losses ranged in Italy between 0.55 and 1.75 billion euros over the period 2001-2016, and droughts caused significant collateral effects not only on the agricultural sector, but also on food manufacturing industries. A study just published led by the CMCC Foundation sheds light on the characterization of the damages caused by droughts while providing a tool with applicability in the implementation of drought risk management plans and the evaluation of drought management policies. (2020-09-28)

Disastrous duo: Heatwaves and droughts
Simultaneous heatwaves and droughts are becoming increasingly common in western parts of the Unites States, according to a new study led by researchers from McGill University. Periods of dry and hot weather, which can make wildfires more likely, are becoming larger, more intense, and more frequent because of climate change. (2020-09-28)

Major wind-driven ocean currents are shifting toward the poles
The severe droughts in the USA and Australia are the first sign that the tropics, and their warm temperatures, are apparently expanding in the wake of climate change. (2020-09-25)

Newly identified 'landfalling droughts' originate over ocean
Researchers have identified a new type of 'landfalling drought' that originates over the ocean before traveling onto land, and which can cause larger, drier conditions than other droughts. (2020-09-24)

Leading water scientists warn of risks in shift to monoculture crops, tree plantations
Conversion of large swaths of land to uniform tree plantations and single-crop species may lead to unintended consequences for the water cycle, putting ecosystems at greater risk for fires, floods, droughts and even hurricanes, warns a think-tank group of almost 30 water scientists from 11 countries. (2020-09-24)

Combined droughts and heatwaves are occurring more frequently in several regions across the US
The frequency of combined droughts and heatwaves -- which are more devastating when they occur in unison -- has substantially increased across the western US and in parts of the Northeast and Southeast over the past 50 years, according to a new study. The findings also suggest areas that experience compound dry-hot extremes are growing less scattered and more connected, resulting in larger impacted regions that place enormous strain on regional and national relief efforts. (2020-09-23)

Droughts in the Amazon rainforest can be predicted up to 18 months in advance
For the first time, it is possible to accurately predict severe drought up to 18 months in advance in Tropical South America. Early warnings of upcoming droughts are imperative for mitigating the impact on millions of people depending on the Amazon rainforest ecosystem. Additionally, droughts threaten the delicate ecosystems of the rainforest in South America. (2020-09-17)

A new study of ocean salinity finds substantial amplification of the global water cycle
An improved estimate of the global water cycle change has been compiled based on the new salinity data, salinity-contrast metrics and model simulations. It shows that the water cycle has been already amplified by 2~4 % per degree Celsius since 1960. The amplification of the water cycle leads to stronger evaporation: the drier regions get even drier and further increase the odds of worsening drought and the wetter regions get wetter. (2020-09-09)

A difficult year for forests, fields and meadows
The warm, dry summer of 2018 has left clear traces in various ecosystems. ETH Zurich researchers have found that if the climate continues to warm up, higher altitudes can also expect negative consequences in the future. (2020-09-07)

New Research Provides Solution for the 'Dust Bowl Paradox'
During the historic drought and heatwave of the Dust Bowl, grasses better adapted to cool, wet climates moved in. After conducting a four-year field experiment, scientists think they might know why. (2020-09-01)

Songbirds reduce reproduction to help survive drought
New research from the University of Montana suggests tropical songbirds in both the Old and New Worlds reduce reproduction during severe droughts, and this - somewhat surprisingly -- may actually increase their survival rates. (2020-08-27)

Predicting drought in the American West just got more difficult
A new, USC-led study of more than 1,000 years of North American droughts and global conditions found that forecasting a lack of precipitation is rarely straightforward. (2020-08-07)

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