Reanalysis in Earth System Science: Toward Terrestrial Ecosystem Reanalysis

IF 25.2 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS Reviews of Geophysics Pub Date : 2021-07-30 DOI:10.1029/2020RG000715
R. Baatz, H. J. Hendricks Franssen, E. Euskirchen, D. Sihi, M. Dietze, S. Ciavatta, K. Fennel, H. Beck, G. De Lannoy, V. R. N. Pauwels, A. Raiho, C. Montzka, M. Williams, U. Mishra, C. Poppe, S. Zacharias, A. Lausch, L. Samaniego, K. Van Looy, H. Bogena, M. Adamescu, M. Mirtl, A. Fox, K. Goergen, B. S. Naz, Y. Zeng, H. Vereecken
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引用次数: 13

Abstract

A reanalysis is a physically consistent set of optimally merged simulated model states and historical observational data, using data assimilation. High computational costs for modeled processes and assimilation algorithms has led to Earth system specific reanalysis products for the atmosphere, the ocean and the land separately. Recent developments include the advanced uncertainty quantification and the generation of biogeochemical reanalysis for land and ocean. Here, we review atmospheric and oceanic reanalyzes, and more in detail biogeochemical ocean and terrestrial reanalyzes. In particular, we identify land surface, hydrologic and carbon cycle reanalyzes which are nowadays produced in targeted projects for very specific purposes. Although a future joint reanalysis of land surface, hydrologic, and carbon processes represents an analysis of important ecosystem variables, biotic ecosystem variables are assimilated only to a very limited extent. Continuous data sets of ecosystem variables are needed to explore biotic-abiotic interactions and the response of ecosystems to global change. Based on the review of existing achievements, we identify five major steps required to develop terrestrial ecosystem reanalysis to deliver continuous data streams on ecosystem dynamics.

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地球系统科学中的再分析:走向陆地生态系统的再分析
再分析是一组物理上一致的最佳合并模拟模式状态和历史观测数据,使用数据同化。模拟过程和同化算法的高计算成本导致了分别针对大气、海洋和陆地的地球系统特定再分析产品。最近的发展包括先进的不确定度量化和陆地和海洋生物地球化学再分析的产生。本文综述了大气和海洋再分析,以及海洋和陆地生物地球化学再分析。特别是,我们确定了陆地表面,水文和碳循环重新分析,这些分析现在在非常具体的目的的目标项目中产生。虽然未来对陆地表面、水文和碳过程的联合再分析代表了对重要生态系统变量的分析,但生物生态系统变量仅在非常有限的程度上被同化。为了探索生物-非生物相互作用和生态系统对全球变化的响应,需要连续的生态系统变量数据集。在回顾现有成果的基础上,我们确定了发展陆地生态系统再分析以提供持续的生态系统动态数据流所需的五个主要步骤。
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来源期刊
Reviews of Geophysics
Reviews of Geophysics 地学-地球化学与地球物理
CiteScore
50.30
自引率
0.80%
发文量
28
审稿时长
12 months
期刊介绍: Geophysics Reviews (ROG) offers comprehensive overviews and syntheses of current research across various domains of the Earth and space sciences. Our goal is to present accessible and engaging reviews that cater to the diverse AGU community. While authorship is typically by invitation, we warmly encourage readers and potential authors to share their suggestions with our editors.
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