Variability of soilmoisture proxies and hot days across the climate regimes of Australia

doi:10.1002/2017GL073793

GSTDTAP > 气候变化

DOI	10.1002/2017GL073793
	Variability of soilmoisture proxies and hot days across the climate regimes of Australia
	Holmes, A.1; Rudiger, C.1; Mueller, B.2; Hirschi, M.2; Tapper, N.3
	2017-07-28
发表期刊	GEOPHYSICAL RESEARCH LETTERS
ISSN	0094-8276
EISSN	1944-8007
出版年	2017
卷号	44 期号:14
文章类型	Article
语种	英语
国家	Australia; Switzerland
英文摘要	The frequency of extreme events such as heat waves are expected to increase due to the effect of climate change, particularly in semiarid regions of Australia. Recent studies have indicated a link between soil moisture deficits and heat extremes, focusing on the coupling between the two. This study investigates the relationship between the number of hot days (Tx90) and four soil moisture proxies (Standardized Precipitation Index, Antecedent Precipitation Index, Mount's Soil Dryness Index, and Keetch-Byram Drought Index), and how the strength of this relationship changes across various climate regimes within Australia. A strong anticorrelation between Tx90 and each moisture index is found, particularly for tropical savannas and temperate regions. However, the magnitude of the increase in Tx90 with decreasing moisture is strongest in semiarid and arid regions. It is also shown that the Tx90-soil moisture relationship strengthens during the El Nino phases of El Nino-Southern Oscillation in regions which are more sensitive to changes in soil moisture.
领域	气候变化
收录类别	SCI-E
WOS记录号	WOS:000407790500020
WOS关键词	SOIL-MOISTURE ; DATA-SETS ; DROUGHT ; TEMPERATURE ; EVAPOTRANSPIRATION
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/29004
专题	气候变化
作者单位	1.Monash Univ, Dept Civil Engn, Clayton, Vic, Australia; 2.ETH, Inst Atmospher & Climate Sci, Zurich, Switzerland; 3.Monash Univ, Dept Earth Atmosphere & Environm, Clayton, Vic, Australia
推荐引用方式 GB/T 7714	Holmes, A.,Rudiger, C.,Mueller, B.,et al. Variability of soilmoisture proxies and hot days across the climate regimes of Australia[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(14).
APA	Holmes, A.,Rudiger, C.,Mueller, B.,Hirschi, M.,&Tapper, N..(2017).Variability of soilmoisture proxies and hot days across the climate regimes of Australia.GEOPHYSICAL RESEARCH LETTERS,44(14).
MLA	Holmes, A.,et al."Variability of soilmoisture proxies and hot days across the climate regimes of Australia".GEOPHYSICAL RESEARCH LETTERS 44.14(2017).