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辽宁省典型地形测风塔缺测数据线性计算适用性分析
引用本文:顾正强,龚强,沈历都,徐红,马东雷,朱玲,晁华,冯冬蕾. 辽宁省典型地形测风塔缺测数据线性计算适用性分析[J]. 气象与环境学报, 2021, 37(6): 93-99. DOI: 10.3969/j.issn.1673-503X.2021.06.012
作者姓名:顾正强  龚强  沈历都  徐红  马东雷  朱玲  晁华  冯冬蕾
作者单位:沈阳区域气候中心,辽宁沈阳,110166;辽宁省气象服务中心,辽宁沈阳,110166;沈阳中心气象台,辽宁沈阳,110166
基金项目:2019年辽宁省气象局科学技术研究项目(BA201901);辽宁省博士科研启动基金计划项目(2020-BS-276)
摘    要:利用辽宁省典型地形26座测风塔和6个同期气象站的逐时风速实测数据,采用不同时间尺度(月、季、年)的线性拟合并结合风切变指数拟定7个方案重构测风塔缺测风速数据,并对各拟定重构方案进行误差检验。结果表明:辽宁省典型地形测风塔缺测数据重构主要以季节尺度的线性拟合及其结合风切变指数的两个方案(方案3和方案7)为最优方案,且上述两个方案的空间分布具有区域性特征,其中,辽宁北部的平原和丘陵、辽宁东南部的沿海平原和沿海丘陵主要以方案7为最优方案,辽宁西部的丘陵和山地主要以方案3为最优方案,个别地区以方案1或方案4为最优方案。温带大陆性季风气候区所具有的季节性风速变化和固有的地形地势特征及其对风切变指数的影响,是辽宁省典型地形测风塔缺测数据重构最优方案空间分布呈区域性特征的主要成因。

关 键 词:数据重构  线性拟合  风切变指数  最优方案
收稿时间:2020-09-07

Applicability analysis of linear calculation for missing data of wind tower on typical terrain in Liaoning province
Zheng-qiang GU,Qiang GONG,Li-du SHEN,Hong XU,Dong-lei MA,Ling ZHU,Hua CHAO,Dong-lei FENG. Applicability analysis of linear calculation for missing data of wind tower on typical terrain in Liaoning province[J]. Journal of Meteorology and Environment, 2021, 37(6): 93-99. DOI: 10.3969/j.issn.1673-503X.2021.06.012
Authors:Zheng-qiang GU  Qiang GONG  Li-du SHEN  Hong XU  Dong-lei MA  Ling ZHU  Hua CHAO  Dong-lei FENG
Affiliation:1. Regional Climate Center of Shenyang, Shenyang 110166, China2. Liaoning Provincial Meteorological Service Center, Shenyang 110166, China3. Shenyang Central Meteorological Observatory, Shenyang 110166, China
Abstract:Using the hourly measured wind speed data from 26 wind towers and 6 weather stations at the same period in Liaoning province, the linear fitting at different time scales (month, season, and year), together with wind sheer index, were used to develop 7 schemes to reconstruct the missing wind speed data of the wind towers, and the error test of each proposed reconstruction scheme was conducted.Results show that the linear fitting on monthly data, with corresponding wind sheer indexes (schemes 3 and 7), is the optimal scheme for the data reconstruction of wind towers on typical terrain in Liaoning province.And the spatial distribution of the above two schemes has regional characteristics.Among them, scheme 7 works for the towers on plains and hills in northern Liaoning province and also for towers on coastal plains and hills in southeastern Liaoning province.Scheme 3 is chosen for those on hills and mountains in western Liaoning province, schemes 1 and 4 are only applicable to the towers on the remaining areas.The seasonal wind speed variation and inherent topographical characteristics in temperate continental monsoon climate zone and their influence on wind shear index are the main causes of the spatial distribution characteristics of the optimal scheme for the reconstruction of missing data of wind towers on typical terrain in Liaoning province.
Keywords:Data reconstruction  Linear fitting  Wind shear index  Optimal scheme  
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