In:
Environmental Research Letters, IOP Publishing, Vol. 12, No. 2 ( 2017-02-01), p. 024015-
Abstract:
Recent trends in summer heat waves (HW) over Central-Eastern China and their atmospheric drivers are investigated using the ERA Interim re-analysis. A composite analysis shows that these events are preceded by an increase in 500 hPa geopotential height. Consequently, a subsidence anomaly develops over the region and surface solar radiation increases. An increase in the northward moisture transport from the tropical region is also found to increase specific humidity, leading to warmer night-time temperatures. Feedback effects are also important: decrease of precipitation and enhanced evaporation also increases the specific humidity and North-Westerlies due to the low pressure lead to more heat convergence. HW occurrence increases, especially during the last decade, and is largely due to an increase in the mean temperature rather than to a change in dynamics, suggesting a human influence.
Type of Medium:
Online Resource
ISSN:
1748-9326
DOI:
10.1088/1748-9326/aa5ba3
Language:
Unknown
Publisher:
IOP Publishing
Publication Date:
2017
detail.hit.zdb_id:
2255379-4
