Forcing of the Upper-Tropospheric Monsoon Anticyclones
نویسندگان
چکیده
منابع مشابه
Mechanisms for Precipitation Enhancement in a North American Monsoon Upper-Tropospheric Trough
Tropical upper-tropospheric troughs (TUTTs), transient summertime disturbances over the Pacific and Atlantic Oceans, are also observed to frequently occur in the North American monsoon (NAM) region. However, unlike TUTTs over the Pacific and Atlantic, which feature a predominance of precipitation on the eastern flank of the disturbances, TUTTs in the NAM region have been shown to enhance precip...
متن کاملRecent Reversal of the Upper-Tropospheric Temperature Trend and its Role in Intensifying the East Asian Summer Monsoon
At the beginning of the 21st century, the July and August (JA) mean upper-tropospheric temperature over East Asia shows a significant increasing trend, contrary to the decreasing trend in the late 1970 s. The largest warming center is over northern China (between 30°N-45°N and 85°E-120°E) around 300 hPa. Together with the temperature rising, the geo-potential height rises above the warming cent...
متن کاملThe radiative signature of upper tropospheric moistening.
Climate models predict that the concentration of water vapor in the upper troposphere could double by the end of the century as a result of increases in greenhouse gases. Such moistening plays a key role in amplifying the rate at which the climate warms in response to anthropogenic activities, but has been difficult to detect because of deficiencies in conventional observing systems. We use sat...
متن کاملImpact of West African Monsoon convective transport and lightning NOx production upon the upper tropospheric composition: a multi-model study
Within the African Monsoon Multidisciplinary Analysis (AMMA), we investigate the impact of nitrogen oxides produced by lightning (LiNOx) and convective transport during the West African Monsoon (WAM) upon the composition of the upper troposphere (UT) in the tropics. For this purpose, we have performed simulations with 4 state-ofthe-art chemistry transport models involved within AMMA, namely MOC...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Atmospheric Sciences
سال: 2019
ISSN: 0022-4928,1520-0469
DOI: 10.1175/jas-d-18-0340.1