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首页> 外文期刊>Climate dynamics >Regional climate model simulations of daily maximum and minimum near-surface temperatures across Europe compared with observed station data 1961-1990
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Regional climate model simulations of daily maximum and minimum near-surface temperatures across Europe compared with observed station data 1961-1990

机译：与1961-1990年观测站的数据相比，全欧洲每日最高和最低近地表温度的区域气候模型模拟

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摘要

Simulations of the present-day temperature climate in Europe obtained with the dynamic regional climate model HadRM3P from the Hadley Centre are evaluated. Observed daily temperature maxima (T_x) and minima (T_n) for the 1961-1990 period at 185 stations are compared with their nearest corresponding HadRM3P grid-box data. The model generally performs well over the UK and elsewhere between latitudes 50 and 55°N, with biases mostly within +-0.5 K. In other areas coherent regions with seasonal biases up to more than +- 5 K exist. In some areas, biases in climatological averages are associated with even larger errors (up to more than +- 15 K) in the upper/lower extreme temperature range. Both areas with systematically overestimated and underestimated intra-seasonal daily temperature variances exist, but overestimation dominates. Too hot summer T_x south of about 45°N are associated with drying soils in the model. This problem may occur further north in "future" integrations with a greenhouse-gas induced wanning. Given the existence of errors in the simulations of the present-day climate, we recommend that results from future scenario integrations are treated with care.
机译：评估了使用Hadley中心的动态区域气候模型HadRM3P获得的欧洲当前温度气候的模拟。将1961-1990年期间在185个站点观测到的每日最高温度（T_x）和最低温度（T_n）与它们最近的相应HadRM3P网格框数据进行比较。该模型在英国和北纬50至55°N的其他地区通常表现良好，偏差大部分在+ -0.5 K范围内。在其他地区，存在季节性偏差最高为+ -5 K的连贯区域。在某些地区，气候平均值的偏差与上限/下限极端温度范围内的更大误差（高达+ -15 K）有关。存在两个系统内高估和低估季节内每日温度变化的区域，但高估占主导。在模型中，太热的南T_x以南约45°N与干燥的土壤有关。在与温室气体引起的衰落的“未来”整合中，这个问题可能会进一步向北发展。考虑到当前气候模拟中存在错误，我们建议谨慎处理未来方案集成的结果。

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