地表气温变化估算方法在中国大陆的应用分析

地球信息科学学报 Pub Date : 2012-01-01 DOI:10.3724/sp.j.1047.2012.00014

Shao Quanqin

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引用次数: 2

摘要

本文对近20年来中国大陆地表气温变化估算方法进行了综述，并对不同研究者的研究资料、时间尺度和结果进行了对比分析。利用1970 ~ 2007年的气象观测气温资料，结合国际上常用的几种变暖估算方法，对近40年的变暖趋势进行了估算。直接平均法、台站法、区域面积加权法、一差法和空间插值法的结果显示，中国大陆近年来和各季节的增温趋势一致，但数量差异明显。分析了不同方法估算增温的不确定性，结果表明:近40 a的增温趋势在0.30 ~ 0.43℃/10a之间，增温幅度在1.16 ~ 1.56℃之间，冬季增温最明显，夏季增温最小，北部增温大于南部。

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Application Analysis of Surface Air Temperature Change Estimation Methods in Chinese Mainland

The methods used in surface air temperature change estimation in Chinese Mainland during recent 20 years are summarized in this paper,and data materials,temporal scale and results in different researcher's study are contrastively analyzed.Based on the meteorological observation air temperature data from 1970 to 2007 and several popular warming estimation methods internationally used,we estimated the warming trend in recent 40 years.The results of direct average method,calculation by station method,regional area weighted method,first difference method and spatial interpolation method show the same warming trend in recent years and every season in Chinese Mainland,but vary in quantities clearly.The uncertainties in warming estimation with different methods are analyzed and it is concluded that the warming trend in recent 40 years ranges from 0.30-0.43℃/10a,the warming amplitude is between 1.16 and 1.56℃,warming is most apparent in winter and slightest in summer,warming in the northern part is more than in the southern part.

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来源期刊

地球信息科学学报

CiteScore

2.70

自引率

0.00%

发文量

3757

期刊介绍： Journal of Geo-Information Science is an academic journal under the supervision of Chinese Academy of Sciences, jointly sponsored by Institute of Geographic Sciences and Resources, Chinese Academy of Sciences and Chinese Geographical Society, and also co-sponsored by State Key Laboratory of Resource and Environmental Information System, Key Laboratory of Virtual Geographic Environment of Ministry of Education and Key Laboratory of 3D Information Acquisition and Application of Ministry of Education. Founded in 1996, it is openly circulated in the form of a monthly magazine. Journal of Geoinformation Science focuses on publishing academic papers with geographic system information flow as the main research object, covering research topics such as geographic information cognitive theory, geospatial big data mining, geospatial intelligent analysis, etc., and pays special attention to the innovative results of theoretical methods in geoinformation science. The journal is aimed at scientific researchers, engineers and decision makers in the fields of cartography and GIS, remote sensing science, surveying and mapping science and technology. It is a core journal of China Science Citation Database (CSCD), a core journal of Chinese science and technology, a national Chinese core journal in domestic and international databases, and it is included in international databases, such as EI Compendex, Geobase, and Scopus.