Sentences with phrase «global monsoon»

For example, it has been shown that the SAMOC could influence global monsoon rainfall through the forcing of an interhemispheric atmospheric circulation.

J. Liu, B. Wang, Q. Ding, X. Kuang, W. Soon, E. Zorita «Centennial variations of the global monsoon precipitation in the last millennium: Results from ECHO - G model», Journal of Climate, submitted (2008).

Changes in global monsoon circulations since 1950.

Citation: Liu, J., B. Wang, Q. Ding, X. Kuang, W. Soon, and E. Zorita, 2009a: Centennial variations of the global monsoon precipitation in the last millennium: results from ECHO - G model.

The prominent upward trend in the GM precipitation occurring in the last century and the notable strengthening of the global monsoon in the last 30 yr (1961 — 90) appear unprecedented and are due possibly in part to the increase of atmospheric carbon dioxide concentration, though the authors» simulations of the effects from recent warming may be overestimated without considering the negative feedbacks from aerosols.

(3) The publication of the scientific manuscript «Centennial variations of the global monsoon precipitation in the last millennium: Results from ECHO - G model» by Jiau Liu, Bin Wang, Qinghua Ding, Xueyuan Kuang, Willie Soon and Eduaordo Zorita (2009) in press for the peer - reviewed journal Journal of Climate.

The authors investigate how the global monsoon (GM) precipitation responds to the external and anthropogenic forcing in the last millennium by analyzing a pair of control and forced millennium simulations with the ECHAM and the global Hamburg Ocean Primitive Equation (ECHO - G) coupled ocean — atmosphere model.

We start by making the point that there is a trend in the global monsoon as we describe it.

To me, the issue is that there is a trend when one considers the global monsoon (and yes, Kevin has written about the global monsoon, too).

But if one finds a global monsoon trend and if it turns out to be robust, then one has a handle to help understand local or regional changes.

Ice Core Evidence to support a Paleo Global Monsoon.

Centennial Variations of the Global Monsoon Precipitation in the Last Millennium: Results from ECHO - G Model

Not exact matches

As Cobb explained, the tropical Pacific, through phenomena like El Niño, plays a very large role in precipitation and global weather patterns like monsoons today.

The Tibetan Plateau in China experiences the strongest monsoon system on Earth, with powerful winds — and accompanying intense rains in the summer months — caused by a complex system of global air circulation patterns and differences in surface temperatures between land and oceans.

Global warming due to mankind's greenhouse - gas emissions from burning fossil fuels already affects the Indian monsoon and — if unabated — is expected to do even more so in the future.

The team found evidence for a period of global cooling that preceded the onset of the monsoon.

«So limiting global warming is key to reduce day - to - day monsoon variability, adaptation can not replace but rather complement it,» says Levermann.

A permanently erratic and harsh monsoon would depress crop yields, increase erosion on farms, and cause a rise in global food prices as India is forced to import more food.

The intensified monsoons created a positive feedback cycle, promoting more global cooling, more sea ice and even stronger precipitation, culminating in the spread of huge glaciers across the Northern Hemisphere.»

Surprisingly, the researchers found there was a strengthening of the monsoon during global cooling, instead of the intense rainfall normally associated with warmer climates.

In addition, the new scheme notably improves the forecasting of monsoon timing during years affected by the global weather phenomenon El Niño — Southern Oscillation (ENSO), particularly in its La Niña phase.

Deglaciation in the tropical Indian Ocean driven by interplay between the regional monsoon and global teleconnections Rajeev Saraswat, David Lea, Rajiv Nigam, Andreas Mackensen, Dinesh Naik

development of two - way coupling between WRF and CCSM to represent the upscaled effects of climate hot spots such as the Maritime Continent, the subtropical eastern boundary regime, and the monsoon regions where global climate models fail to simulate the complex processes due to feedback and scale interactions.

His research interests include studying the interactions between El Niño / Southern Oscillation (ENSO) and the monsoons of Asia; identifying possible effects on global climate of changing human factors, such as carbon dioxide, as well as natural factors, such as solar variability; and quantifying possible future changes of weather and climate extremes in a warmer climate.

Markus Rex summarizes the global importance of the research: «To understand how the monsoon will respond to human emissions of pollutants and to climate change is obviously of crucial importance for the countries directly affected by it.

May, W., 2004: Simulation of the variability and extremes of daily rainfall during the Indian summer monsoon for present and future times in a global time - slice experiment.

The East Asian summer monsoon and desertification in Eurasia is driven by fluctuating Northern Hemisphere ice volume and global sea level during the Ice Age, as shown in a study published in Nature Communications.

This is a gathering that reflects the new global culture, and not in some falsified sense of politically correct diversity a la Jonathan Demme's Rachel Getting Married (which, in retrospect, owes a ton to Monsoon Wedding; get me an intellectual property lawyer, stat!).

Are this year's monsoon floods due to global warming?

What this paper does is show that if one carefully considers the larger scale aspects of the monsoon including the oceanic monsoon (see some of the papers by Winston Chao a decade or so ago: thoroughly recommend) then one can start to see trends on a global basis.

This intensification has resulted in significantly greater global summer monsoon rainfall in the Northern Hemisphere than predicted from greenhouse - gas - induced warming alone: namely a 9.5 % increase, compared to the anthropogenic predicted contribution of 2.6 % per degree of global warming.

Joseph Bast, who works with the group, highlighted some of the group's conclusions in Forbes: There is little risk of global food insecurity owing to higher levels of CO2, as higher CO2 will greatly aid plant productivity; «No changes in precipitation patterns, snow, monsoons, or river flows that might be considered harmful to human well - being or plants or wildlife have been observed that could be attributed to rising CO2»; and little risk to aquatic or dry - land ecosystems.

[G] etting the [monsoon] forecast right remains a challenge, thanks to the complex — and still poorly understood — ways in which South Asia's monsoon rains are influenced by everything from atmospheric and ocean temperatures to air quality and global climate trends.

For the mid-Holocene, coupled climate models are able to simulate mid-latitude warming and enhanced monsoons, with little change in global mean temperature (< 0.4 °C), consistent with our understanding of orbital forcing.

Even Australia's 1970s «pluvial» was itself a curious coincidence of global warming beginning to strengthen the monsoon before it could (as it has done since 1997) virtually eliminate the southern winter rainfall systems.

Scidevnet: The lack of rains in large, monsoon - dependent, agricultural areas of South Asia has compounded concerns expressed in a recent report about an impending global water crisis and its detrimental impact on agriculture.

Temperatures often rise sharply in May before the onset of torrential monsoon rains but scientists say average temperatures are only likely to rise in the years ahead as a result of global warming, with damaging effects on health and productivity.

We had known previously that other broadly used global models didn't have a proper North American monsoon.

Posted in Development and Climate Change, Ecosystem Functions, India, Information and Communication, Lessons, News, Rainfall, Resilience, Vulnerability, Weather Comments Off on Indian Monsoon Failure More Frequent With Global Warming, Research Suggests

«The consensus had been that global warming was delaying the monsoon... which is also what we found with the simulation if you didn't correct the SST biases,» Pascale said.

In Mongolia, U.S. scientists are studying climate clues in ancient tree rings to help answer a crucial question: How will global warming affect Asia's monsoon rains, which supply water for agriculture and drinking to half the world's population?

Posted in Science Lessons, tagged agriculture, canada, climate change, education, europe, geoengineering, global warming, government, monsoon, policy, science on June 22, 2012 18 Comments»

Nature: Understanding how the South Asian monsoon will change in response to global warming and resolving the uncertainties in projected changes are «demanding tasks» for climate science, a review says.

Simulated changes of the Indian summer monsoon under enhanced greenhouse gas conditions in a global time - slice experiment

Using variable resolution global models, their analyses will take into account the sensitivity of water cycle processes such as atmospheric rivers and monsoons to model resolution.

Current global multi-decadal predictions are unable to skillfully simulate regional forcing by major atmospheric circulation features such as from El Niño and La Niña and the South Asian monsoon, much less changes in the statistics of these climate features.

This shift is caused by global climatic warming that leads to higher energy in the general circulation: The Intertropical Convergence Zone (ITCZ)-- known more commonly as monsoon — increases in strength due to increased convection and convergence.

The inability of global climate models to match the timing or placement of short - term or regional precipitation patterns such as the West African monsoon may be alleviated by «downscaling» to use smaller scale climate models with increased area resolution.

Tags: atmospheric chemistry and physics, atmospheric scientist, climate change, co author, deluge, domino effect, ganges, glaciers, global scale, greenhouse gases, india china, monsoon, pacific northwest, pacific northwest national lab, s glacier, soot, strong winds, summer crops, tibetan plateau, yangtze

In the early 1970s, the United States Congress, exercised by the threat, held hearings where experts explained to politicians the dangers of the new age of global cooling, which, as Newsweek reported, would cause «droughts, floods, extended dry spells, long freezes, delayed monsoons, and even local temperature increases....»