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View article: Are Our Climate Data Fit for Your Purpose?
Are Our Climate Data Fit for Your Purpose? Open
This paper describes the vision and objectives for evaluation and quality control of datasets available on the Climate Data Store (CDS) of the Copernicus Climate Change Service (C3S). The CDS is a cloud service providing reliable, open, an…
View article: Road Map for the Next Decade of Earth System Reanalysis in the United States
Road Map for the Next Decade of Earth System Reanalysis in the United States Open
Reanalysis combines historical observations with modern Earth system models (ESMs) to generate a spatially and temporally complete history of the Earth system. It is an essential infrastructure that supports mission-critical activities acr…
View article: Comment on essd-2022-429
Comment on essd-2022-429 Open
Abstract. Reanalysis data plays a vital role in weather and climate study, as well as meteorological resource development and application. In this work, the East Asia Reanalysis System (EARS) was developed using the Weather Research and Fo…
View article: The Copernicus Climate Change Service: Climate Science in Action
The Copernicus Climate Change Service: Climate Science in Action Open
The Copernicus Climate Change Service (C3S) provides open and free access to state-of-the-art climate data and tools for use by governments, public authorities, and private entities around the world. It is fully funded by the European Unio…
View article: The Copernicus Atmosphere Monitoring Service: From Research to Operations
The Copernicus Atmosphere Monitoring Service: From Research to Operations Open
The Copernicus Atmosphere Monitoring Service (CAMS), part of the European Union’s Earth observation program Copernicus, entered operations in July 2015. Implemented by the European Centre for Medium-Range Weather Forecasts (ECMWF) as a tru…
View article: The ERA5 global reanalysis
The ERA5 global reanalysis Open
Within the Copernicus Climate Change Service (C3S), ECMWF is producing the ERA5 reanalysis which, once completed, will embody a detailed record of the global atmosphere, land surface and ocean waves from 1950 onwards. This new reanalysis r…
View article: Toward an Operational Anthropogenic CO2 Emissions Monitoring and Verification Support Capacity
Toward an Operational Anthropogenic CO2 Emissions Monitoring and Verification Support Capacity Open
Under the Paris Agreement (PA), progress of emission reduction efforts is tracked on the basis of regular updates to national greenhouse gas (GHG) inventories, referred to as bottom-up estimates. However, only top-down atmospheric measurem…
View article: Geo-locate project: a novel approach to resolving meteorological station location issues with the assistance of undergraduate students
Geo-locate project: a novel approach to resolving meteorological station location issues with the assistance of undergraduate students Open
The Global Land and Marine Observations Database aims to produce a comprehensive land-based meteorological data archive and inventory. This requires the compilation of available information on data from land-based meteorological stations f…
View article: Geo-locate Project: A novel approach to resolving meteorological station location issues with the assistance of undergraduate students
Geo-locate Project: A novel approach to resolving meteorological station location issues with the assistance of undergraduate students Open
The Global Land and Marine Observations Database aims to produce a comprehensive land based meteorological data archive and inventory. This requires the compilation of available land-based station meteorological data information from all k…
View article: Concurrent 2018 Hot Extremes Across Northern Hemisphere Due to Human‐Induced Climate Change
Concurrent 2018 Hot Extremes Across Northern Hemisphere Due to Human‐Induced Climate Change Open
Extremely high temperatures pose an immediate threat to humans and ecosystems. In recent years, many regions on land and in the ocean experienced heat waves with devastating impacts that would have been highly unlikely without human‐induce…
View article: Ten Priority Science Gaps in Assessing Climate Data Record Quality
Ten Priority Science Gaps in Assessing Climate Data Record Quality Open
Decision makers need accessible robust evidence to introduce new policies to mitigate and adapt to climate change. There is an increasing amount of environmental information available to policy makers concerning observations and trends rel…
View article: CERA‐20C: A Coupled Reanalysis of the Twentieth Century
CERA‐20C: A Coupled Reanalysis of the Twentieth Century Open
CERA‐20C is a coupled reanalysis of the twentieth century which aims to reconstruct the past weather and climate of the Earth system including the atmosphere, ocean, land, ocean waves, and sea ice. This reanalysis is based on the CERA coup…
View article: Advancing Global and Regional Reanalyses
Advancing Global and Regional Reanalyses Open
This report outlines the structure of and summarizes the recommendations made at the 5th International Conference on Reanalysis (ICR5), attended by 259 participants from 37 countries, in Rome (Italy), on 13-17 November 2017. It first summa…
View article: Observations for Reanalyses
Observations for Reanalyses Open
Global dynamical reanalyses of the atmosphere and ocean fundamentally rely on observations, not just for the assimilation (i.e., for the definition of the state of the Earth system components) but also in many other steps along the product…
View article: The EU-FP7 ERA-CLIM2 Project Contribution to Advancing Science and Production of Earth System Climate Reanalyses
The EU-FP7 ERA-CLIM2 Project Contribution to Advancing Science and Production of Earth System Climate Reanalyses Open
The European Reanalysis of Global Climate Observations 2 (ERA-CLIM2) is a European Union Seventh Framework Project started in January 2014 and due to be completed in December 2017. It aims to produce coupled reanalyses, which are physicall…
View article: The potential value of early (1939–1967) upper‐air data in atmospheric climate reanalysis
The potential value of early (1939–1967) upper‐air data in atmospheric climate reanalysis Open
In recent years a number of reanalysis datasets have been published that cover the past century or more, including the ‘Twentieth Century Reanalysis’ 20CRv2 and the European Reanalysis of the twentieth century ERA‐20C . These datasets are …
View article: An operational anthropogenic CO2 emissions monitoring and verification support capacity. Baseline requirements, model components and functional architecture
An operational anthropogenic CO2 emissions monitoring and verification support capacity. Baseline requirements, model components and functional architecture Open
The Monitoring and Verification Support (MVS) capacity is a technical capacity to provide support to the policy makers and the scientific community. The MVS aims at supplying extra evidence on the emissions levels and trends, coupling anth…
View article: A reassessment of temperature variations and trends from global reanalyses and monthly surface climatological datasets
A reassessment of temperature variations and trends from global reanalyses and monthly surface climatological datasets Open
The ERA‐Interim and JRA‐55 reanalyses of synoptic data and several conventional analyses of monthly climatological data provide similar estimates of global‐mean surface warming since 1979. They broadly agree on the character of interannual…
View article: Erratum to ‘A coupled data assimilation system for climate reanalysis’
Erratum to ‘A coupled data assimilation system for climate reanalysis’ Open
The above article was originally published on Early View on 24 September 2015, and subsequently in volume 142 (issue 694): 65–78; DOI:10.1002/qj.2629. In Figure 7 of the above paper, panels (c) and (d) have been swapped. It seems that the …
View article: Upper-air observations from the German Atlantic Expedition (1925–27) and comparison with the Twentieth Century and ERA-20C reanalyses
Upper-air observations from the German Atlantic Expedition (1925–27) and comparison with the Twentieth Century and ERA-20C reanalyses Open
Between April 1925 and June 1927, the research vessel Meteor cruised the tropical and southern Atlantic Ocean in the framework of the German Atlantic Expedition. One purpose was to systematically explore the vertical structure of the atmos…
View article: ERA-Interim/Land: a global land surface reanalysis data set
ERA-Interim/Land: a global land surface reanalysis data set Open
ERA-Interim/Land is a global land surface reanalysis data set covering the period 1979–2010. It describes the evolution of soil moisture, soil temperature and snowpack. ERA-Interim/Land is the result of a single 32-year simulation with the…