globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-12-00158.1
Scopus记录号: 2-s2.0-84880696208
论文题名:
Modulation of the diurnal cycle of rainfall associated with the mjo observed by a dense hourly rain gauge network at sarawak, borneo
作者: Kanamori H.; Yasunari T.; Kuraji K.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期:13
起始页码: 4858
结束页码: 4875
语种: 英语
Scopus关键词: Daily rainfall amounts ; Intraseasonal disturbances ; Land-sea breeze ; Rain gauge networks ; Rainfall frequency ; Spatial patterns ; Spatiotemporal characteristics ; Static instability ; Climatology ; Coastal zones ; Gages ; Modulation ; Rain gages ; Rain ; air-sea interaction ; amplitude ; diurnal variation ; land breeze ; Madden-Julian oscillation ; moisture flux ; precipitation assessment ; precipitation intensity ; rainfall ; raingauge ; satellite data ; sea breeze ; East Malaysia ; Malaysia ; Sarawak
英文摘要: This study investigates spatiotemporal characteristics of the diurnal cycle (DC) of rainfall over Sarawak in northwest Borneo Island, associated with large-scale intraseasonal disturbances represented by the Madden- Julian oscillation (MJO). This is accomplished using a dense hourly rain gauge network and satellite data. The spatial pattern of theDC is classified into two major groups, coastal and interior regions, based on remarkable differences in rainfall peak times and amplitudes. Amplitudes of the DC and daily rainfall amount increase in active MJO phases at all sites, but the MJO has a stronger effect in the coastal region than the interior region. This modulation of rainfall by the MJO disturbance is largely attributed to rainfall frequency in the interior region, but to both frequency and intensity of rainfall in the coastal region. The low-level westerly wind anomaly enhances convergence, the land-sea breeze, and a midnight rainfall peak in the coastal region during the active MJO phase. Analysis of moisture flux divergence and moist static instability suggests the different dynamics of this modulation of the DC between coastal and interior regions.©2013 American Meteorological Society.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51811
Appears in Collections:气候变化事实与影响

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作者单位: Hydrospheric Atmospheric Research Center, Nagoya University, Nagoya, Japan; Ecohydrology Research Institute, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan; Research Institute for Humanity and Nature, Kyoto, Japan

Recommended Citation:
Kanamori H.,Yasunari T.,Kuraji K.. Modulation of the diurnal cycle of rainfall associated with the mjo observed by a dense hourly rain gauge network at sarawak, borneo[J]. Journal of Climate,2013-01-01,26(13)
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