An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast China

Recently, the European Center for Medium-Range Weather Forecasts (ECMWF) released a new set of reanalysis data—ERA-Interim. We make an intercomparison between ERA-Interim precipitation and observed precipitation in Northeast China. The results show that, in general, the ERA-Interim reanalysis precip...

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Main Authors: Jie Zhou, Junhu Zhao
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Discrete Dynamics in Nature and Society
Online Access:http://dx.doi.org/10.1155/2015/693923
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author Jie Zhou
Junhu Zhao
author_facet Jie Zhou
Junhu Zhao
author_sort Jie Zhou
collection DOAJ
description Recently, the European Center for Medium-Range Weather Forecasts (ECMWF) released a new set of reanalysis data—ERA-Interim. We make an intercomparison between ERA-Interim precipitation and observed precipitation in Northeast China. The results show that, in general, the ERA-Interim reanalysis precipitation data can describe the spatial and temporal characteristics of seasonal precipitation in Northeast China well. In terms of spatial distribution, ERA-Interim precipitation is generally consistent with the observation data in different seasons in Northeast China. There is a larger difference in the center of Northeast China than in other areas between the two kinds of data. The ERA-Interim precipitation is larger than observed precipitation in most of Northeast China. In spring, autumn, and winter, the ERA-Interim precipitation value is close to the observation one, while in summer there is a large difference in Liaoning Peninsula and Changbai Mountain between the two kinds of precipitation data. In terms of temporal characteristics, the time series of the ERA-Interim precipitation matches well with the observed precipitation in whole. In different seasons, the annual variation of the ERA-Interim precipitation is well correlated with that of the observed precipitation.
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spelling doaj-art-882ccf2b12aa4721a67fb10e0af062372025-02-03T01:06:43ZengWileyDiscrete Dynamics in Nature and Society1026-02261607-887X2015-01-01201510.1155/2015/693923693923An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast ChinaJie Zhou0Junhu Zhao1Yongchuan Meteorological Bureau of Chongqing Province, Chongqing 402160, ChinaLaboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing 100081, ChinaRecently, the European Center for Medium-Range Weather Forecasts (ECMWF) released a new set of reanalysis data—ERA-Interim. We make an intercomparison between ERA-Interim precipitation and observed precipitation in Northeast China. The results show that, in general, the ERA-Interim reanalysis precipitation data can describe the spatial and temporal characteristics of seasonal precipitation in Northeast China well. In terms of spatial distribution, ERA-Interim precipitation is generally consistent with the observation data in different seasons in Northeast China. There is a larger difference in the center of Northeast China than in other areas between the two kinds of data. The ERA-Interim precipitation is larger than observed precipitation in most of Northeast China. In spring, autumn, and winter, the ERA-Interim precipitation value is close to the observation one, while in summer there is a large difference in Liaoning Peninsula and Changbai Mountain between the two kinds of precipitation data. In terms of temporal characteristics, the time series of the ERA-Interim precipitation matches well with the observed precipitation in whole. In different seasons, the annual variation of the ERA-Interim precipitation is well correlated with that of the observed precipitation.http://dx.doi.org/10.1155/2015/693923
spellingShingle Jie Zhou
Junhu Zhao
An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast China
Discrete Dynamics in Nature and Society
title An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast China
title_full An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast China
title_fullStr An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast China
title_full_unstemmed An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast China
title_short An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast China
title_sort intercomparison between era interim reanalysis and observed precipitation in northeast china
url http://dx.doi.org/10.1155/2015/693923
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