Journal cover Journal topic
Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
Geosci. Instrum. Method. Data Syst., 2, 305-321, 2013
http://www.geosci-instrum-method-data-syst.net/2/305/2013/
doi:10.5194/gi-2-305-2013
© Author(s) 2013. This work is distributed
under the Creative Commons Attribution 3.0 License.
Review article
18 Dec 2013
The surface temperatures of Earth: steps towards integrated understanding of variability and change
C. J. Merchant1,2, S. Matthiesen2, N. A. Rayner3, J. J. Remedios4, P. D. Jones5,6, F. Olesen7, B. Trewin8, P. W. Thorne9, R. Auchmann10, G. K. Corlett4, P. C. Guillevic11,12, and G. C. Hulley13 1Department of Meteorology, University of Reading, Reading, UK
2School of GeoSciences, The University of Edinburgh, Edinburgh, UK
3Hadley Centre, MetOffice, Exeter, UK
4University of Leicester, Physics and Astronomy, Leicester, UK
5Climatic Research Unit, University of East Anglia, Norwich, UK
6Center of Excellence for Climate Change Research/Department of Meteorology, King Abdulaziz University, Jeddah, Saudi Arabia
7Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
8National Climate Centre, Australian Bureau of Meteorology, Melbourne, Australia
9Nansen Environmental and Remote Sensing Center, Bergen, Norway
10Institute of Geography and Oeschger Centre for Climate Change Research, University of Bern, Switzerland
11Cooperative Institute for Climate and Satellites (CICS), North Carolina State University, Asheville, NC, USA
12National Oceanic and Atmospheric Administration (NOAA), National Climatic Data Center, Asheville, NC, USA
13Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA
Abstract. Surface temperature is a key aspect of weather and climate, but the term may refer to different quantities that play interconnected roles and are observed by different means. In a community-based activity in June 2012, the EarthTemp Network brought together 55 researchers from five continents to improve the interaction between scientific communities who focus on surface temperature in particular domains, to exploit the strengths of different observing systems and to better meet the needs of different communities. The workshop identified key needs for progress towards meeting scientific and societal requirements for surface temperature understanding and information, which are presented in this community paper. A "whole-Earth" perspective is required with more integrated, collaborative approaches to observing and understanding Earth's various surface temperatures. It is necessary to build understanding of the relationships between different surface temperatures, where presently inadequate, and undertake large-scale systematic intercomparisons. Datasets need to be easier to obtain and exploit for a wide constituency of users, with the differences and complementarities communicated in readily understood terms, and realistic and consistent uncertainty information provided. Steps were also recommended to curate and make available data that are presently inaccessible, develop new observing systems and build capacities to accelerate progress in the accuracy and usability of surface temperature datasets.

Citation: Merchant, C. J., Matthiesen, S., Rayner, N. A., Remedios, J. J., Jones, P. D., Olesen, F., Trewin, B., Thorne, P. W., Auchmann, R., Corlett, G. K., Guillevic, P. C., and Hulley, G. C.: The surface temperatures of Earth: steps towards integrated understanding of variability and change, Geosci. Instrum. Method. Data Syst., 2, 305-321, doi:10.5194/gi-2-305-2013, 2013.
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