Further-Adjusted Long-Term Temperature Series in China Based on MASH
收藏科学数据银行2020-04-23 更新2026-04-23 收录
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资源简介：
A set of homogenized monthly mean surface air temperature (SAT) series at 32 stations in China back to the nineteenth century had been developed based on the RHtest method by Cao et al, but some inhomogeneities remained in the dataset. The present study produces a further adjusted and updated dataset based on the Multiple Analysis of Series for Homogenization (MASH) method. The MASH procedure detects 33 monthly temperature records as erroneous outliers and 152 meaningful break points in the monthly SAT series since 1924 at 28 stations. The inhomogeneous parts are then adjusted relative to the latest homogeneous part of the series. The new data show significant warming trends during 1924-2016 at all the stations, ranging from 0.48 to 3.57°C (100 yr)⁻¹ with a regional mean trend of 1.65°C (100 yr)⁻¹; while the previous results ranged from slight cooling at 2 stations to large warming up to 4.5°C (100 yr)⁻¹. It is suggested that the further-adjusted data should better represent the large-scale pattern of climate change in the region for the past century. The new data are available online at http://www.dx.doi.org/10.11922/sciencedb.516.
提供机构：
Institute of Atmospheric Physics, Chinese Academy of Sciences
创建时间：
2020-04-23
