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Intergovernmental Panel on Climate Change (IPCC)

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  • Collection Overview
  • Data Sets (9)
    • Fourth Assessment Report (AR4) Observed Climate Change Impacts, v1 (1970 – 2014)
    • 1x1 Degree Gridded Emissions, v1 (1990 – 2100)
    • Emissions Scenarios, v1.01 (1990 – 2100)
    • Fifth Assessment Report (AR5) Observed Climate Change Impacts, v2.01 (2007 – 2014)
    • Fluor-Gases Emissions, v1 (1990 – 2100)
    • INFORM Global Risk Index 2019 Mid Year, v0.3.7, (2019)
    • IS92 Emissions Scenarios (A, B, C, D, E, F), v1.01 (1990 – 2100)
    • Socio-Economic Baseline Data, v1 (1980, 1990, 1991, 1992, 1993, 1994, 1995, 2025)
    • Synthetic Assessment of Global Distribution of Vulnerability to Climate Change, v1 (2005, 2050, 2100)
  • Map Gallery (46)
  • Map Services (2)
  • Citations

Fourth Assessment Report (AR4) Observed Climate Change Impacts, v1 (1970 – 2014)

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Purpose:
To provide a database with observed responses to climate change for multidisciplinary studies.
Abstract:
The Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (AR4) Observed Climate Change Impacts Database contains observed responses to climate change across a wide range of systems as well as regions. These data were taken from the Intergovernmental Panel on Climate Change Fourth Assessment Report and Rosenzweig et al. (2008). It consists of responses in the the physical, terrestrial biological systems and marine-ecosystems. The observations that were selected include data that demonstrate a statistically significant trend in change in either direction in systems related to temperature or other climate change variable, and the is for at least 20 years between 1970 and 2004, although study periods may extend earlier or later. For each observation, the data series is described in terms of system, region, longitude and latitude, dates and duration, statistical significance, type of impact, and whether or not land use was identified as a driving factor. System changes are taken from ~80 studies (of which ~75 are new since the IPCC Third Assessment Report) containing more than 29,500 data series. Observations in the database are characterized as a "change consistent with warming" or a "change not consistent with warming", based on information from the underlying studies.
Recommended Citation(s)*:

Rosenzweig, C., P. Neofotis, M. Vicarelii, and X. Xing. 2008. IPCC Fourth Assessment Report (AR4) Observed Climate Change Impacts Database. Palisades, New York: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4542KJV. Accessed DAY MONTH YEAR.

ENW (EndNote & RefWorks)†
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* When authors make use of data they should cite both the data set and the scientific publication, if available. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Please visit the data citations page for details. Users who would like to choose to format the citation(s) for this dataset using a myriad of alternate styles can copy the DOI number and paste it into Crosscite's website.

† For EndNote users, please check the Research Note field for issues with importing authors that are organizations when using the ENW file format.

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