Sentences with phrase «asian monsoon»

This reconstruction gives climate modelers an enormous dataset that may produce some deep insights into the causes of Asian monsoon variability.»

Our experiments show that the solar cycle influences tropospheric rainfall patterns in a manner consistent with some observations, with increased solar activity favoring precipitation north of the equator (for example, the South Asian monsoon) and decreased precipitation both near the equator and at northern mid-latitudes.

A new study published in the Proceedings of the National Academy of Sciences links this deforestation across Southeast Asia with changes in the Asian Monsoon, including significantly decreased rainfall.

«Climate systems are well linked worldwide, such as sea - level, CO2, ice sheet [s], the Asian monsoon, regional temperature and precipitation,» Cheng says.

For example, the region plays a prominent role in generating the Asian monsoon system that sustains one of the largest populations on earth (5).

Dominant control of South Asian monsoon by orographic insulation versus plateau heating.

Dongge cave stalagmite D shows at 8.2 kyr the usual Asian monsoon weakening that takes place during periods of low solar activity.

If the Asian monsoon becomes harsher and sea levels continue to rise, the fence in its current form won't be enough to keep Bangladeshis from fleeing to India.

In the tropics, an increase in precipitation is projected by the end of the 21st century in the Asian monsoon and the southern part of the West African monsoon with some decreases in the Sahel in northern summer (Cook and Vizy, 2006), as well as increases in the Australian monsoon in southern summer in a warmer climate (Figure 10.9).

The Austral - Asian monsoon spans the Indo - Pacific, from northern Australia to southern China, and is the largest component of the planetary monsoon.

Most model results project increased interannual variability in season - averaged Asian monsoon precipitation associated with an increase in its long - term mean value (e.g., Hu et al., 2000b; Räisänen, 2002; Meehl and Arblaster, 2003).

Thus, the South Asian monsoon variability is affected through the Walker Circulation such that the role of the Pacific Ocean dominates and that of the Indian Ocean is secondary.

Model simulations of the Asian monsoon project that the sulphate aerosols» direct effect reduces the magnitude of precipitation change compared with the case of only greenhouse gas increases (Emori et al., 1999; Roeckner et al., 1999; Lal and Singh, 2001).

With the recently awarded Asian Monsoon Project, the TRL is attempting to employ a hemisphere - sized network of tree - ring chronologies to understand the climate system of a significant, and very important region of the world, Asia.

Bourassa, A. E., A. Robock, W. J. Randel, T. Deshler, L. A. Rieger, N. D. Lloyd, E. J. Llewellyn, and D. A. Degenstein, 2013: Response to Comments on «Large volcanic aerosol load in the stratosphere linked to Asian monsoon transport».

Though the Tibetan earthquake was going to happen at some time, it is possible that changes in ice loading on Himalayan glaciers, changes in water volume outflows in the annual Asian monsoon, and sea level rise adding pressure to the geological plates below coastlines — especially in low - lying Bangladesh — had an impact.

It also suggests that irrigation may be altering the pattern of the Asian monsoon, the rains that feed nearly half of the world's population.

At present, only one regional boundary (south Asian monsoon) can be established for atmospheric aerosol loading.

Bourassa, A.E., A. Robock, et al. 2012: Large volcanic aerosol load in the stratosphere linked to Asian monsoon transport.

«Mid-Holocene variability of the East Asian monsoon based on bulk organic δ13C and C / N records from the Pearl River estuary, southern China»

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.

Light gray bars denote deglaciations (terminations), while the two dark gray bars denote the Younger Dryas and the Younger Dryas - like event during termination III (i.e., decreased atmospheric methane and East Asian Monsoon (higher δ18O).

C: Chinese speleothem δ18O records of East Asian Monsoon (Cheng et al., 2009, and references therein).

Large positive values of P * — E * indicate anomalously wet regions such as the Asian monsoon regions, the Pacific ITCZ, and the Northern Hemisphere storm tracks; large negative values of P * — E * indicate anomalously dry regions such as the subtropical lows, the Mediterranean, and the Boreal forests (Fig. 1).

She found high levels of DCM (PDF), especially over the Indian subcontinent and Southeast Asia, and particularly during the Asian monsoon season, when strong updrafts fast - track air from the ground to the stratosphere.

As part of the larger - scale Asian monsoon, the monsoon over India is formed due to intense solar heating in late spring as the solar maximum moves north from the equator.

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.

Posted in Adaptation, Ecosystem Functions, Lessons, News, Publication, Rainfall, Weather Comments Off on South Asian Monsoon Variations Hard To Fathom

Dali Lake is located near the northwestern limit of the East Asian monsoon, and so would reflect the changes brought about when the monsoon shifted north.

I am working on Asian Monsoon.

There is evidence that the strength of the Asian monsoon, and hence precipitation amount, can change abruptly.

«The Holocene Asian Monsoon: Links to Solar Changes and North Atlantic Climate.»

Black carbon disrupts the South Asian monsoon (by altering the land - sea temperature gradient that drives the movement of moist air), helps melt the Greenland ice sheet (by increasing the solar energy the darkened ice absorbs), and accelerates the retreat of Himalayan glaciers.

In ECHAM4 and HadAM3a, increased resolution has little impact on the negative surface pressure bias over the tropics but improves the low - level South Asian monsoon flow (Lal et al., 1997; Stratton, 1999b).

Andy T is correct that the largest changes in the South Asian monsoon rainfall is occurring in the Bay of Bengal which, by the way, is the regional maximum in precipitation and has been for a long time.

In some models, the decadal variability for monsoons such as the South Asian monsoon also outweighs the magnitude of the future trends, and in others it does not (the review above is one example showing this).

As you say the more interesting question is how current climate models match such datasets; Wang et al's Asian monsoon stalagmite would seem a good test; do the models demonstrate any solar - asian monsoon linkage?

Sir Gilbert Walker (photo to the left) was motivated by the question why the South Asian Monsoon sometimes failed from one year to another.

Disruption of the Asian monsoon, if it happens, will be devastating.

During summer, the Asian Monsoon is not only important for Asia but affects weather patterns over the entire northern hemisphere.

The Asian Monsoon System is one of the Earth's largest and most energetic weather systems, and monsoon rainfall is critical to feeding over a billion people in Asia.

The East Asian monsoon exerts a controlling influence on ozone in Southern China.

Sir Gilbert Walker (photo to the left) was motivated by the question why the South Asian Monsoon sometimes failed from one year to another.

This long - term change in the East Asian monsoon index is consistent with a tendency for a southward shift of the summer rain belt over eastern China (Zhai et al., 2004).

There is other evidence that changes in the Asian monsoon occurred about the time of the 1976 — 1977 climate shift (Wang, 2001) along with changes in ENSO (Huang et al., 2003; Qian et al., 2003), and declines in land precipitation are evident in southern Asia and, to some extent, in Southeast Asia (see Figure 3.14).

Efforts are underway to conduct similar aircraft observations in the region of the Asian monsoon.

The other (much smaller) major pathway for transporting air from the lower atmosphere to the stratosphere is the Asian monsoon circulation, which prevails in the summer.

Most scientists agree that the South Asian Monsoon is linked to the initial uplift, or birth of the Himalayas, but the timing and other environmental drivers at play are still in question.

Other research on stalagmites in China has shown that the East Asian monsoon changed at the same time as the Heinrich and Dansgaard - Oeschger climate changes.

Using the sediment samples from the Qaidam Basin, Nie and Garzione show that the East Asian monsoon patterns in the late Miocene also follow similar 100,000 year cycles, with stronger monsoons peaking at 100,000 years and diminishing in the periods in between.