首页|通化市气温格点预报订正方法研究

通化市气温格点预报订正方法研究

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本文采用滑动权重平均订正法对网格预报指导产品进行误差订正,主要结论如下:1)整体而言,网格预报指导产品的气温预报比实况偏低,订正网格预报指导产品气温具有可行性;2)结果分布表明,滑动权重平均订正法中较长的滑动订正周期对气温预报有更好的订正效果,采用滑动权重平均订正法能较好地订正 2m最低、最高气温的预报误差;3)误差幅度总体上表明,经过滑动权重平均订正法订正后,很好地改善了气温的预报质量;4)从误差的离散度来看,滑动权重平均订正法可能无法改变网格预报指导产品误差的离散程度,因此具有一定的局限性,需要今后做进一步研究.
Research on the correction method of temperature grid forecast in Tonghua City
This study employs the sliding weight average correction method to correct the errors in grid forecast guidance products.The main conclusions are as follows:1)Overall,the temperature forecasts of grid forecast guidance products are lower than the observed temperatures,indicating the feasibility of correcting grid forecast guidance product temperatures.2)The results distribution indicates that a longer sliding correction period within the sliding weight average correction method has a better correction effect on temperature forecasts.In general,the sliding weight average correction method can effectively correct the prediction errors of both the minimum and maximum 2-meter temperatures.3)The overall error amplitude suggests that the quality of temperature forecasts is significantly improved after correction using the sliding weight average correction method.4)From the perspective of error dispersion,the sliding weight average correction method may not change the degree of dispersion of errors in the grid forecast guidance products,thus demonstrating certain limitations that require further research in the future.

air temperaturegrid predictioncorrection

贾宝山、贾凡妮、李喜贺、尹文玉、辛童

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通化市气象局,吉林 通化 134001

通化县气象局,吉林 通化 134100

吉林市气象局,吉林 吉林 132000

辉南县气象局,吉林 通化 134001

柳河县气象局,吉林 通化 134001

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气温 格点预报 订正

2025

黑龙江环境通报
国家环保局信息所齐齐哈尔市环境监测中心

黑龙江环境通报

影响因子:0.138
ISSN:1674-263X
年,卷(期):2025.38(1)