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State of the Climate in 2009

National Oceanic and Atmospheric Administration

National Climatic Data Center

As appearing in the July 2010 issue (Vol. 91) of the Bulletin of the American Meteorological Society (BAMS).

Supplemental and Summary Materials

Do It Yourself: Key Climate Indicators

Key Climate Indicators provides interactive displays and access to data sets featured in the Kennedy et al. sidebar entitled "How do we know the world has warmed?" (found in Ch. 2: Global Climate, pages S26-S27).

Report at a Glance: Highlights (10 pages)

This supplement to the State of the Climate in 2009 draws upon materials from the larger report to provide a summary of key findings.
High Resolution (10.5 MB) | Low Resolution (2.4 MB)

Full Report

Download Entire Document (218 pages)

• High Resolution (110.2 MB)
• Low Resolution (6.6 MB)

Download by Section

1. Front Matter and Abstract (760 KB) [ Hi Rez (4.2 MB) ]
   1. Title page
   2. Author Affiliations
   3. Table of contents
   4. Abstract
1. Introduction (520 KB) [ Hi Rez (1.6 MB) ]
   Chapter 1 Figures
2. Global Climate (1.6 MB) [ Hi Rez (21.4 MB) ]
   Chapter 2 Figures
   1. Summary
   2. Global Surface Temperature
   3. Hydrologic cycle
   4. Atmospheric circulation
   5. Earth radiation budget at top-of-atmospher
   6. Atmospheric composition
   7. Land surface properties
3. Global Oceans (1.3 MB) [ Hi Rez (18.8 MB) ]
   Chapter 3 Figures
   1. Overview
   2. Sea surface temperatures in 2009
   3. Ocean heat content
   4. Global ocean heat fluxes
   5. Sea surface salinity
   6. Surface current observations
   7. The meridional overturning circulation
   8. Sea level variations, 2009 annual assessment
   9. The global ocean carbon cycle
   10. Global ocean phytoplankton
4. The Tropics (1.4 MB) [ Hi Rez (18.7 MB) ]
   Chapter 4 Figures
   1. Overview
   2. ENSO and the tropical Pacific
   3. The Madden-Julian Oscillation
   4. Tropical cyclones
   5. Tropical cyclone heat potential
   6. Intertropical convergence zones
   7. Indian Ocean dipole
5. The Arctic (1.1 MB) [ Hi Rez (13.2 MB) ]
   Chapter5 Figures
   1. Overview
   2. Atmosphere
   3. Ocean
   4. Sea-ice cover
   5. Land
   6. Greenland
6. Antarctica (716 KB) [ Hi Rez (6.1 MB) ]
   Chapter 6 Figures
   1. Overview
   2. Atmospheric circulation
   3. Surface station observations
   4. Surface mass balance
   5. Seasonal melt extent and duration
   6. Sea-ice extent and concentration
   7. Ozone depletion
7. Regional Climates (1.8 MB) [ Hi Rez (21 MB) ]
   Chapter 7 Figures
   1. Overview
   2. North America
   3. Central America and the Caribbean
   4. South America
   5. Africa
   6. Europe
   7. Asia
   8. Oceania
8. Seasonal Global Summaries (634 KB) [ Hi Rez (4.8 MB) ]
   Chapter 8 Figures
9. References (801 KB) [ Hi Rez (4.4 MB) ]

How to cite the document

• Citing the complete report: Arndt, D. S., M. O. Baringer, and M. R. Johnson, Eds., 2010: State of the Climate in 2009. Bull. Amer. Meteor. Soc., 91 (7), S1-S224.
• Citing a chapter (example): Diamond, H.J.., Ed., 2010: The tropics [in "State of the Climate in 2009"]. Bull. Amer. Meteor. Soc., 91 (7), S79-106.
• Citing a section (example): Halpert, M., G. D. Bell, and M. L'Heureux, 2010: ENSO and the Tropical Pacific [in .State of the Climate in 2009.]. Bull. Amer. Meteor. Soc., 91 (7), S79-S82.

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