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Projection of Changes in Future Surface Wind around Japan Using a Non-hydrostatic Regional Climate Model

机译:基于非静水区域气候模型的日本周围未来地面风的变化预测

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References(16) Cited-By(1) Supplementary materials(2) Changes of a surface wind under the future climate condition in and around Japan were investigated by using a 5-km-mesh non-hydrostatic regional climate model (NHRCM05). In the present climate, monthly mean surface wind speeds are well reproduced by NHRCM05. Additionally, the NHRCM05 reproduces the seasonal change of mean surface wind speeds fairly well: the wind during the cold season is calculated to be stronger than that in the warm season.Under the future climate, monthly mean surface wind speeds show little change. In the warm season, according to a 20-km-mesh atmospheric general circulation model (AGCM20), the Pacific anticyclone is projected to weaken near Japan, and the sea level pressure over the seas around the Philippine Islands is projected to rise, so the frequency of the westerly wind is projected to increase across Japan by NHRCM05.During the cold season, according to NHRCM05, the wind speeds around Hokkaido are projected to increase a little value due to the decrease of the sea ice in the Sea of Okhotsk. Further, the frequency of southeasterly wind is projected to increase significantly. In the future, the Monsoon Index is projected to be lower than in the present climate by AGCM20, resulting in southeasterly wind inflow to Japan.
机译:参考文献(16)被引用的文献(1)补充资料(2)使用5公里网眼的非静水区域气候模型(NHRCM05),研究了日本及周边未来气候条件下的地表风变化。在目前的气候下,NHRCM05很好地再现了月平均地面风速。此外,NHRCM05很好地再现了平均地表风速的季节性变化:寒冷季节的风比暖季的风强。在未来的气候下,月平均地面风速几乎没有变化。在暖季,根据20公里网眼的大气总环流模型(AGCM20),预计太平洋反旋风将在日本附近减弱,菲律宾群岛周围海域的海平面压力预计将上升,因此NHRCM05预计全日本的西风频率将增加。根据NHRCM05,在寒冷季节,由于鄂霍次克海海冰减少,北海道附近的风速预计将有所增加。此外,预计东南风的频率将显着增加。未来,AGCM20预测的季风指数将低于当前气候,导致向日本东南风流入。

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