Powerful, short-lived rainfall events in Sydney are intensifying to new extremes, increasing by 40% over the past 20 years, new research shows. The results, published in Science, suggest that extreme sub-hourly rainfall could be increasing much faster than previously thought. Rapid rain squalls, also known as “intra-hourly heavy rain,” are the most extreme and destructive […]
Climate variability
Let’s change food production methods to cope with climate variability
The World Health Organization (WHO) warned in August this year that the Horn of Africa was experiencing one of the worst hunger crises in 70 years, with more than 37 million people suffering from acute hunger. and around seven million malnourished children under five in the region. To avoid the worst, experts recommend an approach […]
Mali experiences significant climate insecurity and variability – Report
Mali has, over the past decade, experienced violent conflict, rainfall variability and an increasing frequency and intensity of extreme weather events, according to a new Adelphi report. The report, titled “Weathering Risk Climate, Peace and Security Assessment,” delved into the climate crisis in the country and the violent conflicts that have occurred in places like […]
Mali experiences significant climate insecurity and variability – Report
Mali has, over the past decade, experienced violent conflict, rainfall variability and an increasing frequency and intensity of extreme weather events, according to a new Adelphi report. The report, titled “Weathering Risk Climate, Peace and Security Assessment,” delved into the climate crisis in the country and the violent conflicts that have occurred in places like […]
A range of agronomic factors can offset the effects of climatic variability on rainfed maize production in Kenya
FAO, IFAD, UNICEF, WFP and WHO. The State of Food Security and Nutrition in the World 2020. FAO, IFAD, UNICEF, WFP and WHO. https://doi.org/10.4060/ca9692en (2020). FAOSTAT, F. FAOSTAT Statistical Database. FAO (2022). Chapman, S. et al. Impact of climate change on crop suitability in sub-Saharan Africa in regional climate models parameterized and allowing convection. About. […]
A range of agronomic factors can offset the effects of climatic variability on rainfed maize production in Kenya
FAO, IFAD, UNICEF, WFP and WHO. The State of Food Security and Nutrition in the World 2020. FAO, IFAD, UNICEF, WFP and WHO. https://doi.org/10.4060/ca9692en (2020). FAOSTAT, F. FAOSTAT Statistical Database. FAO (2022). Chapman, S. et al. Impact of climate change on crop suitability in sub-Saharan Africa in regional climate models parameterized and allowing convection. About. […]
Climate Variability Research Fellow job with UNIVERSITY OF MELBOURNE
Location: Parcville Role type: Full time; Determined time Faculty: Faculty of Sciences Department/School: School of Geography, Earth and Atmospheric Sciences Salary: Level A – $77,171 – $104,717 per year (pro-rated for part-timers) plus 17% super The University of Melbourne would like to acknowledge and honor the traditional owners of the lands on which our […]
Climate Variability Research Fellow job with UNIVERSITY OF MELBOURNE
Location: Parcville Role type: Full time; Determined time Faculty: Faculty of Sciences Department/School: School of Geography, Earth and Atmospheric Sciences Salary: Level A – $77,171 – $104,717 per year (pro-rated for part-timers) plus 17% super The University of Melbourne would like to acknowledge and honor the traditional owners of the lands on which our […]
Climate variability is driving a global decline in forest resilience
Forests cover almost a third of the Earth’s land surface. Not only do they play a fundamental role in the global carbon cycle by absorbing a third of anthropogenic carbon emissions and mitigating climate change, but they also provide a series of ecosystem services that contribute to the well-being of society, such as regulation of […]
Climate variability is driving a global decline in forest resilience
Forests cover almost a third of the Earth’s land surface. Not only do they play a fundamental role in the global carbon cycle by absorbing a third of anthropogenic carbon emissions and mitigating climate change, but they also provide a series of ecosystem services that contribute to the well-being of society, such as regulation of […]
Research Fellow in Holocene Climate Variability with UNIVERSITY OF SOUTHAMPTON
Landscape dynamics and ecology Location: Campus Highfield Salary: £31,406 to £32,344 Per yearFull-time CDD (36 months) Closing Date: Thursday 04 August 2022 Date of interview: be confirmed Reference: 1894922WR Start date from October 1, 2022 for 3 years. The post holder will undertake scientific research on paleoclimatic variability based on analyzes of chironomids and lipid […]
Research Fellow in Holocene Climate Variability with UNIVERSITY OF SOUTHAMPTON
Landscape dynamics and ecology Location: Campus Highfield Salary: £31,406 to £32,344 Per yearFull-time CDD (36 months) Closing Date: Thursday 04 August 2022 Date of interview: be confirmed Reference: 1894922WR Start date from October 1, 2022 for 3 years. The post holder will undertake scientific research on paleoclimatic variability based on chironomid and lipid biomarker analyzes […]
First set of large ensemble simulations reveal the role of internal climate variability
Researchers from the Institute of Atmospheric Physics (IAP) of the Chinese Academy of Sciences (CAS) produced a very large ensemble simulation with 110 members from their climate system model FGOALS-g3. This first set of large ensemble simulations may reveal the role of internal climate variability in future global monsoon projections. The full extent of their […]
Glacial advances over thousands of years synchronize with climate variability, study finds
The oldest known glacial advance in Uttarakhand has been observed in the Yankti Kuti Valley in the central Himalayas, located in the far east of the state. Using its geomorphological mapping, scientists were able to identify four glaciation events that occurred over the past 52,000 MIS 3. These events were associated with decreasing magnitude that […]
Propelling wind power in a world of climate variability
Last year saw a record number of wind energy installations across Europe, although still below what is needed to reach the European target of 40% renewable energy by the end of this decade. Nevertheless, the rush towards energy independence and the 236 GW currently installed and the 116 GW (source: Wind Europe) planned for the […]
Propelling wind power in a world of climate variability
Last year saw a record number of wind energy installations across Europe, although still below what is needed to reach the European target of 40% renewable energy by the end of this decade. Nevertheless, the rush towards energy independence and the 236 GW currently installed and the 116 GW (source: Wind Europe) planned for the […]
Climate variability, topic of tropical cyclone activity in new book
Projections of future tropical cyclone activity in response to rising concentrations of greenhouse gases is the focus of a new book written by the University of Hawaii at the Mānoa School of Ocean and Earth Science and Technology (SOEST), Professor of Atmospheric Sciences Pao-Shin Chu and Hiroyuki Murakami of the NOAA Geophysical Fluid Dynamics Laboratory. […]
Climate variability, topic of tropical cyclone activity in new book
Projections of future tropical cyclone activity in response to rising concentrations of greenhouse gases is the focus of a new book written by the University of Hawaii at the Mānoa School of Ocean and Earth Science and Technology (SOEST) professor of atmospheric sciences Pao Shinchu and Hiroyuki Murakami of NOAA’s Geophysical Fluid Dynamics Laboratory. “Climate […]
Climate variability, topic of tropical cyclone activity in new book
Projections of future tropical cyclone activity in response to rising concentrations of greenhouse gases is the focus of a new book written by the University of Hawaii at the Mānoa School of Ocean and Earth Science and Technology (SOEST) professor of atmospheric sciences Pao Shinchu and Hiroyuki Murakami of NOAA’s Geophysical Fluid Dynamics Laboratory. “Climate […]
Shift in Europe’s storm surge season due to climate variability
Annual cycle of storm surges The seasonal amplitude (i.e. the amplitude of the annual cycle) and the timing of the storm surge season (i.e. the phase of the annual cycle) were estimated at each of the 10 selected stations, by fitting a GEV with time-dependent parameters (method 1) on the data set. The seasonal amplitude […]
Shift in Europe’s storm surge season due to climate variability
Annual cycle of storm surges The seasonal amplitude (i.e. the amplitude of the annual cycle) and the timing of the storm surge season (i.e. the phase of the annual cycle) were estimated at each of the 10 selected stations, by fitting a GEV with time-dependent parameters (method 1) on the data set. The seasonal amplitude […]
WHO FINANCES THE EFFORT AGAINST CLIMATE CHANGE?
One concern looms large as the world rushes to increase expenditure to tackle climate change: where will the money come from? Here’s the Means & Matters guide to the countless organizations, sectors, and businesses investing billions in climate action, whether through sustainable infrastructure, innovation, carbon offsetting operations, or individual steps to reduce emissions. WHAT THEY’RE […]
Climate variability may not be strongly linked to human evolution • Earth.com
Climate variability may not have been a primary driver of human and mammalian evolution, according to a new study from the University of Arizona. The researchers compared environmental data and the fossil record of large mammals that have lived across Africa for the past four million years. The results contradict the long-held theory that climate […]
Climate variability may not be strongly linked to human evolution • Earth.com
Climate variability may not have been a primary driver of human and mammalian evolution, according to a new study from the University of Arizona. The researchers compared environmental data and the fossil record of large mammals that have lived across Africa for the past four million years. The results contradict the long-held theory that climate […]
Climate variability boosts tropical tree growth during the dry season • Earth.com
A new study published in the journal nature geoscience found that the growth of tropical trees is driven by climatic variability during dry seasons. By analyzing tree ring data from tropical and subtropical trees – a reliable indicator of tree growth – a team of researchers led by the University of Arizona in the United […]
Predicting Dengue Outbreaks Using Climate Variability and Markov Chain Monte Carlo Techniques in a Stochastic Susceptible-Infected-Eliminated Model
This article was originally published here Sci Rep. 2022 Mar 31;12(1):5459. doi: 10.1038/s41598-022-09489-y. ABSTRACT The recent increase in the global incidence of dengue has resulted in over 2.7 million cases in Latin America and numerous cases in Southeast Asia and has warranted the development and application of early warning systems (EWS) for futuristic epidemic forecasting. […]
Crop adaptation to climate variability needs an hour: Councilor Bhatnagar – Jammu Kashmir Latest news | Tourism
Excelsior Correspondent SRINAGAR, March 24: Advisor to the Lieutenant Governor, Rajeev Rai Bhatnagar today stressed that adapting crops to climate variability and uncertainty is the need of the hour given the changing climatic conditions around the world.Advisor Bhatnagar made the comments during the inaugural three-day session of the “National Conference on Weather and Climate Risk […]
Climate variability may explain annual spike in ozone-destroying gas: study
Forest fires fueled by the El Niño Southern Oscillation (ENSO) phenomenon could be responsible for the short-term spikes in methyl bromide, a known destroyer of the ozone layer If future ENSOs become stronger or more frequent, adding methyl bromide could delay the recovery of the ozone hole, scientists say. Photo: iStock Wildfires fueled by the […]
Climate variability may explain annual spike in ozone-destroying gas: study
Forest fires fueled by the El Niño Southern Oscillation (ENSO) phenomenon could be responsible for the short-term spikes in methyl bromide, a known destroyer of the ozone layer If future ENSOs become stronger or more frequent, adding methyl bromide could delay the recovery of the ozone hole, the scientists say. Photo: iStock Wildfires fueled by […]
Floating greenhouses explored to cope with climate variability
Turning car parks into urban horticultural farms, creating floating greenhouses and building container farms are just some of the opportunities explored in a new report that investigates high-tech cultivation solutions to Australia’s increasing climate variability. Commissioned by Hort Innovation and developed by agricultural consultancy RMCG in partnership with the University of Technology Sydney (UTS) and […]
Study analyzes how the Arctic drives Eurasian climate variability
In recent years, a cooling trend in Eurasia and a warming trend in the Arctic have been observed by various sources. The presence of a cause and effect relationship in this scheme has been much debated for a long time. Schematic view of multisphere interactions. Image Credit: Yongkun, Xie A study published in the journal […]
Future Big Changes in Climate Variability – Eurasia Review
The public is increasingly aware that climate change will impact society not only through changes in average temperatures and rainfall during the 21st century, but also in the occurrence of more pronounced extreme events, and more generally in the natural variability of the Earth system. Such changes could also have significant impacts on vulnerable ecosystems […]
Climate variability will increase in the 21st century • Earth.com
[ad_1] A new study published in the journal Earth system dynamics explored predicted future changes in climate and ecosystem variability. Scientists have found that in addition to causing changes in average temperatures and precipitation levels, global warming will also trigger the onset of more pronounced extreme weather events during the 21st century, ranging from mighty […]
New computer model simulations identify widespread changes in climate variability under sustained anthropogenic forcing – ScienceDaily
[ad_1] The public is increasingly aware that climate change will impact society not only through changes in average temperatures and precipitation over the 21st century, but also in the occurrence of more pronounced extreme events, and more generally in the natural variability of the Earth system. Such changes could also have significant impacts on vulnerable […]
Major Future Changes in Climate Variability
The public is increasingly aware that climate change will impact society not only through changes in average temperatures and rainfall during the 21st century, but also in the occurrence of more pronounced extreme events, and more generally in the natural variability of the Earth system. Such changes could also have significant impacts on vulnerable ecosystems […]
Climate variability and dynamics during the warm period of the Lower to Middle Pliocene provide clues for future climate change
[ad_1] Field photograph of the Shilou red clay sequence of the eastern Chinese loess plateau. Credit: Ao Hong A recent study by an international research group led by Professor Ao Hong of the Institute of the Earth’s Environment of the Chinese Academy of Sciences revealed the variability and dynamics of the Asian climate during the […]
Variability and dynamics of the Asian climate through
[ad_1] image: Field photograph of the Shilou red clay sequence of the eastern Chinese loess plateau seen Following Credit: AO Hong A recent study by an international research group led by Professor AO Hong of the Institute of the Earth’s Environment of the Chinese Academy of Sciences revealed the variability and dynamics of the Asian […]
Earth’s orbit affects millennial climate variability
[ad_1] There is ample geological evidence to show that Earth’s climate experienced millennial-scale variability superimposed on glacial-interglacial fluctuations during the Pleistocene. The magnitude of millennial climate variability has been linked to glacial cycles over the past 800 thousand years (kyr). For the period leading up to the mid-Pleistocene transition, when global glaciations were less severe […]
Earth’s orbit affects millennial climate variability
[ad_1] Locations of four land and sea records resolved at the centenary. Credit: SUN et al. There is ample geological evidence to show that Earth’s climate experienced millennial-scale variability superimposed on glacial-interglacial fluctuations during the Pleistocene. The magnitude of millennial climate variability has been linked to glacial cycles over the past 800 thousand years (kyr). […]
Climate variability challenges US cattle ranchers
News Climate variability challenges US cattle ranchers July 12, 2021 Mother Nature has provided increasingly erratic rainfall for the Great Plains over the past decade, which has impacted grasslands, forage systems and beef production in the region – and scientists are expect this trend to intensify. Texas A&M AgriLife Research scientists and collaborators explored the […]
Climate variability leads to more intense thunderstorms • Earth.com
[ad_1] Climate variability leads to more intense thunderstorms In a new study by Texas A&M University, experts report that large thunderstorms in the southern Great Plains of the United States have increased in frequency and intensity. The researchers found that these changes are linked to climate variability. âThunderstorms in the southern Great Plains of United […]
More intense and more frequent thunderstorms linked to global climate variability
The large thunderstorms in the Great Plains of the southern United States are among the strongest on Earth. In recent years, these storms have increased in frequency and intensity, and new research shows that these changes are linked to climate variability. Co-authored by Christopher Maupin, Courtney Schumacher and Brendan Roark, all scientists at Texas A&M […]
More intense and more frequent thunderstorms linked to global climate variability
Thunderstorms in the southern Great Plains are linked to changes in wind and humidity patterns occurring on a much larger scale, the researchers learned. Getty Images The large thunderstorms in the Great Plains of the southern United States are among the strongest on Earth. In recent years, these storms have increased in frequency and intensity, […]
Scientists study how regional climate variability affects animals in arid North America: UNM Newsroom
[ad_1] As visual evidence of climate change continues to shed light on a huge problem in the world, scientists studying at several National Science Foundation (NSF) Long-Term Ecological Research (LTER) sites are partially tackling the problem. problem by examining changes in the diversity and abundance of small mammals to understand their vulnerabilities to climate change. […]
Scientists: Climate variability will intensify in the Great Plains | Land and Cattle Post
[ad_1] Cow / calf operations in the Great Plains are likely to be affected by the increased variability in rainfall which supports forage production for 50% of the country’s cow herd. Texas A&M AgriLife photo By ADAM RUSSELL Texas A&M AgriLife Extension Mother Nature has provided increasingly erratic precipitation for the Great Plains over the […]
The Great Plains facing climate variability
[ad_1] Mother Nature has provided increasingly erratic rainfall for the Great Plains over the past decade, affecting grasslands, forage systems and cattle production in the region – and scientists expect this trend to continue. intensifies. Cow / calf operations in the Great Plains are likely to be affected by the increased variability in rainfall which […]
Society’s positive response to past climate variability is an example for today
[ad_1] By Mikayla Mace Kelley, University Communications March 24, 2021 Ruins of Late Antiquity villages in the limestone massif of Syria: rural settlements in the Roman and Sassanid Near East developed during the Little Ice Age of Late Antiquity. Artur Rodziewicz As the signs of man-made climate change become increasingly alarming, research into how past […]
Climate variability and pandemic – creating insecurity
[ad_1] Mohamed Zamir | Posted: 07 March 2021 21:46:40 | Update: March 16, 2021, 8:15 p.m. Currently, in many parts of the world, environmentalists are referring to a 2018 United Nations security resolution that warned of the adverse effects of climate change, ecological changes and natural disasters. This warning is now being realized through what […]
Climate variability and pandemic – creating insecurity
[ad_1] Mohamed Zamir | Posted: 07 March 2021 21:46:40 | Update: March 16, 2021, 8:15 p.m. Currently, in many parts of the world, environmentalists are referring to a 2018 United Nations security resolution that warned of the adverse effects of climate change, ecological changes and natural disasters. This warning is now being realized through what […]
Antarctica is melting faster than models predict due to climate variability • Earth.com
[ad_1] Decreasing ice levels in Antarctica, as well as future sea level rise, have been underestimated. In a new study by State of pennsylvania, the researchers found that existing models do not take into account climate variability, which has a significant influence on the Antarctic ice sheet. âWe know that ice caps are melting as […]
humans have faced a lot of climate variability
[ad_1] CC BY-ND The climate explained is a collaboration between The Conversation, Stuff and the New Zealand Science Media Center to answer your questions about climate change. If you have a question you would like an expert to answer, please send it to [email protected] How much climate variability have humans faced since we evolved and […]
Is climate variability organized? – Eos
[ad_1] One fascinating aspect of the climate system is that its variability is governed by simple mathematical relationships. A recent paper in Geophysics Reviews explains how these mathematical relationships â in the form of power laws– structure a large part of climate variability in terms of time, space and intensity. Understanding how climate variability is […]
Climate variability on the Seeing Past the Smoke workshop program
[ad_1] Dr Chelsea Jarvis is an agricultural climatology researcher working on the MLA-funded North Australia climate program. She says a good knowledge of researching and interpreting weather and climate forecasts helps producers make informed choices. âHope is not a planâ is part of the message Chelsea Jarvis brings to the free disaster resilience workshops at […]
Big Data helps farmers adapt to climate variability
[ad_1] The MSU study sheds light on how big data and digital technologies can help farmers better adapt to the threats, present and future, of a changing climate. University of Michigan EAST LANSING, MI – A new study from Michigan State University (MSU) sheds light on how big data and digital technologies can help farmers […]
Big data is essential for farmers to adapt to climate variability
[ad_1] A new study from Michigan State University sheds light on how big data and digital technologies can help farmers better adapt to threats – present and future – of a changing climate. The study, published in Scientific Reports, is the first to accurately quantify soil and landscape characteristics and spatial and temporal variations in […]
Kenyan farmers turn to makeshift greenhouses amid climate variability
[ad_1] Farmers The 10m by 15m structure of the Murang’a farm in central Kenya is made of wood and polyethylene sheeting for the walls and roof. The polyethylene material that wears out can cause you to be rejected from a distance, but that’s until you get close. Inside the makeshift greenhouse are dozens of thriving […]
Big data helps farmers adapt to climate variability | MSU Today
[ad_1] A new study from Michigan State University sheds light on how big data and digital technologies can help farmers better adapt to threats – present and future – of a changing climate. The study, published in Scientific reports, is the first to precisely quantify soil and landscape characteristics and spatial and temporal variations in […]
Climate variability and Australian agricultural benefits, why weather risk transfer is essential
[ad_1] At a time when Australia was suffocating in record heat as bushfires burned uncontrollably, then suffered from severe storms, a recent study seeks to quantify the effect of climate variability on the country’s agricultural profits.The impacts of short-term climate risks such as drought and longer-term changes in weather conditions have hurt Australian farmers, with […]
Rain, hot and humid days in December due to ‘climate variability’ | Nagpur News
[ad_1] Nagpur: Wondering why this December is rainier, foggy, and wetter than the norm for Nagpur? “Climate variability” is the answer, say weather experts. Christmas came as a surprise to citizens, with many parts of the city receiving low rainfall. Nagpur Regional Meteorological Center (RMC) officials said it started raining late Wednesday night, with drizzle […]
ABARES analyzes the effects of drought and climate variability on Australian farms
[ad_1] Australian Bureau of Agricultural and Resource Economics and Sciences (ABARES) Knowledge report provides analysis on the effects of climate variability on Australian crop and livestock farms. The report examines both short-term climate risks such as drought and long-term changes in climatic conditions. ABARES Senior Economist Dr Neal Hughes said that an observed change to […]
Rtl today – climate variability: twentieth century warming “unmatched” in 2000 years
[ad_1] Global temperatures rose faster at the end of the 20th century than at any time in the past 2,000 years, according to a study released Wednesday that experts say undermines questioning by climate deniers about the role of climate change. humanity in global warming. As Europe suffocated in a second record-breaking heat wave in […]
How does climate variability contribute to global crop failures?
[ad_1] According to a recent paper published on July 3 in the journal Scientists progress (1). For example, in 1983, ENSO was responsible for the largest synchronous harvest failure in recorded modern history. Globally synchronous harvest failures refer to the simultaneous failure of a single harvest in several as far apart as the United States, […]
Global warming is accelerating climate variability, study finds • Earth.com
[ad_1] The Earth has gone through many warming and cooling periods where temperatures were drastically different from what they are today. What makes today’s climate change so noticeable compared to other warm interglacial periods of the past is that rates of warming and carbon build-up in the atmosphere are occurring at unprecedented levels. . But […]
Analysis of natural climate variability from man-made climate change – sciencedaily
[ad_1] A new study indicates that pink noise may be the key to separating natural climate variability from climate change that is influenced by human activity. New to pink noise? It is a random noise in which each octave contains the same amount of energy. Pink noise is found in systems ranging from earthquakes and […]
Climate variability affects the mental health of the rural poor
[ad_1] New research linking climate variability to mental distress among poor rural India addresses hotly debated topic Working outdoors in summer leads to heat stress (Photo by Nevil Javeri) Climate variability affects the psychological well-being of adults, especially the rural poor, reports new research from India, reigniting debate over the complex interplay of factors that […]
Climate-resilient water security plans: managing the health risks associated with climate variability and change – World
[ad_1] Abstract Long-term planning for an adequate and secure supply of drinking water must be placed in the context of growing external uncertainties resulting from changes in climate and the environment. The Water Safety Plan (PSE) process provides a systematic framework for managing these risks taking into account the implications of climate variability and change. […]
Degradation of the North American ice cap has reduced climate variability in the southern hemisphere
[ad_1] Credit: CC0 Public domain New research from the University of Colorado at Boulder shows that the changing topography of the ice caps in the northern hemisphere during the last ice age forced changes in the climate of Antarctica, a mechanism of interpolar climate change hitherto undocumented. The new study published today in the journal […]
Degradation of the North American ice cap has reduced climate variability in the southern hemisphere – sciencedaily
[ad_1] New research from the University of Colorado at Boulder shows that the changing topography of the ice caps in the northern hemisphere during the last ice age forced changes in Antarctica’s climate, a mechanism of interpolar climate change hitherto undocumented. The new study – published today in the journal Nature and co-authored by researchers […]
Researchers compare global temperature variability during ice ages and interglacials – sciencedaily
[ad_1] Based on a unique global comparison of data from core samples taken from the ocean floor and polar ice caps, AWI researchers have now shown that although climate change has indeed diminished in the world between ice ages and interglacials, the difference is by no means as pronounced as previously assumed. Until now, it […]
Climate variability versus climate change
[ad_1] Climate change is a permanent deviation from the mean or the mean, whether it is hotter, cooler, wetter or drier. It can also be defined as the changes that occur due to human activities, such as increased levels of greenhouse gases released into the atmosphere. Climate variability, on the other hand, is a variation […]
Is climate variability really increasing?
[ad_1] AUSTRALIA’s climate has always been variable and the level of climate variability is neither increasing nor decreasing in most parts of Australia, according to the soil scientist and environmental analyst, David Freebairn. David Freebairn Dr Freebairn, who runs climate workshops for farmers and led the CliMate app development project, says there is an increase […]
ORNL’s Salil Mahajan: Acquiring a Perspective on Climate Variability Through High-Resolution Modeling
[ad_1] Computer climatologist Salil Mahajan simulates the complex and chaotic aspects of the climate at the Oak Ridge National Laboratory. (Photo by ORNL / US Department of Energy) By Ashley C. Huff, Oak Ridge National Laboratory High resolution global climate simulation at multiple scales will help answer questions about future global and regional climates. However, […]
Climate variability, water and security in El Salvador
[ad_1] This article is a summary of the chapter of Herman Rosa, former Minister of the Environment of El Salvador, in the new book, Water, Security, and U.S. Foreign Policy. The book was produced by the World Wildlife Fund-US and edited by David Reed. The summary was prepared by Chelsea Spangler. The water challenges in […]
Southern Plains Climate Hub helps land managers build resilience to climate variability
[ad_1] Posted by Jean Steiner, Head of Climate Centers at USDA Southern Plains in Feb 21 2017 Windswept farmland in Kansas during the Dust Bowl. The southern plains states of the United States have always been known for their rugged climate. Stories of this region’s unstable climate abound. Whether you’re talking about Pecos Bill making […]
Deep underground aquifers respond rapidly to climate variability
According to hydrologists from Penn State and Columbia University, climate change can quickly impact even the deepest freshwater aquifers. Researchers have found that responses to climatic variations can be detected in deep groundwater aquifers faster than expected – in many cases in less than a year. Since rainwater can take years to reach deep aquifers […]
Climate variability increases internal migration in South America and swollen cities
[ad_1] As global climate change affects livelihoods across the globe, migration patterns are also changing. In a recent study published in Global environmental change, Clark Gray, Valerie Mueller, and I have found that since the 1970s, climatic variations have increased internal migration in many countries in South America, with few exceptions. And a lot of […]
Bright blue sky, farmers adapt to increased climate variability
[ad_1] It’s amazing what a little sun and blue sky can do for the soul. Add an increasingly dramatic fall color palette and you’ve got a classic Minnesota fall day. October sky. Paul Huttner / MPR News It was the days of October that built the legend of Minnesota’s fall weather. Try to find that […]
Climate Variability and Change Focal Area
The CVC measures and models the dynamic systems of the Earth and their evolution over time. The Climate Variability and Change (CCV) focus area supports research to better understand the general state of the Earth’s climate and the physical processes that affect it. The CVC supports focused, interdisciplinary research to better describe, understand, and predict […]
Climate variability and security threats (CLIMSEC)
[ad_1] IIn recent years, rising food prices and the global financial crisis have pushed the number of food insecure people to more than one billion, reversing decades of slow but steady progress in reducing of hunger. Not only have the human costs been considerable, but it would also have had dramatic political repercussions. The 2007-08 […]
Climate variability rather than overcrowding causes recent large-scale changes in Tibetan pasture cover
[ad_1] Balmford, A. et al. Economic reasons for the conservation of wild nature. Sciences 297, 950-953 (2002). CASE ADS Item Google Scholar Liu, J. & Diamond, J. China’s environment in a globalized world. Nature 435, 1179-1186 (2005). CASE ADS Item Google Scholar Xu, X., Lu, C., Shi, X. & Gao, S. World water tower: an […]
Crop frequency and area response to climate variability may exceed yield response
[ad_1] 1 Rosenzweig, C. et al. Assessing agricultural risks of climate change in the 21st century in a global intercomparison of mesh crop models. Proc. Natl Acad. Sci. United States 111, 3268-3273 (2014). CASE Item Google Scholar 2 Auffhammer, M. & Schlenker, W. Empirical studies on agricultural impacts and adaptation. Energy saving. 46, 555-561 (2014). […]
Sensitivity of global terrestrial ecosystems to climate variability
[ad_1] 1 Convention on Biological Diversity, Aichi Biodiversity Targets. http://www.cbd.int/sp/targets/default.shtml 2 Scheffer, M. et al. Early warning signals for critical transitions. Nature 461, 53-59 (2009) CASE ADS Item Google Scholar 3 Solano, R., Didan, K., Jacobson, A. & Huete, A. C5 MODIS Vegetation Index User Guide (MOD13 series). 1â42 http://vip.arizona.edu/documents/MODIS/MODIS_VI_UsersGuide_01_2012.pdf (2010) 4 Nemani, RR et […]
Main nonlinear dynamic modes of climate variability
[ad_1] According to eq. (1), the main objective of the proposed expansion is to decompose multivariate time series (distributed in space) made up of points X(tm): = Xm into a set of main modes, each of them is represented by a one-dimensional parametric curve . Below, we briefly state the main points of the method […]
New study challenges long-held theories of climate variability in the North Atlantic
[ad_1] This figure shows the characteristic “horseshoe” model of Atlantic climate variability (upper left panel), as well as the temporal history of this model (lower left). Most of the previous studies attribute this to changes in ocean circulation. Our study compares climate models that include ocean circulation (top right) with climate models that do not […]
Decadal modulation of global surface temperature by internal climate variability
[ad_1] 1 Kosaka, Y. & Xie, SP. Recent hiatus in global warming linked to the cooling of the surface of the equatorial Pacific. Nature 501, 403â407 (2013). CASE Item Google Scholar 2 Fyfe, JC, Gillett, NP & Zwiers, FW Overestimation of global warming over the past 20 years. Nature Clim. Switch 3, 767-769 (2013). Item […]
UMD researcher sorts climate variability from climate change – Duluth News Tribune
Research by a UMD professor that separates the Earth’s natural climate variability from external factors indicates that these external factors – in particular greenhouse gas-induced climate change – are the probable cause of global warming of the planet. The study found that natural climate variability has likely helped keep things cooler in recent years than […]