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Our Globally Changing ClimateSince the Third U.S. National Climate Assessment (NCA3) was published in May 2014, new observations along multiple lines of evidence have strengthened the conclusion that Earth's climate is changing at a pace and in a pattern not explainable by natural influences. While this report focuses especially on observed and projected future changes for the United States, it is important to understand those changes in the global context (this chapter). The world has warmed over the last 150 years, especially over the last six decades, and that warming has triggered many other changes to Earth's climate. Evidence for a changing climate abounds, from the top of the atmosphere to the depths of the oceans. Thousands of studies conducted by tens of thousands of scientists around the world have documented changes in surface, atmospheric, and oceanic temperatures; melting glaciers; disappearing snow cover; shrinking sea ice; rising sea level; and an increase in atmospheric water vapor. Rainfall patterns and storms are changing, and the occurrence of droughts is shifting.
Document ID
20180001311
Acquisition Source
Goddard Space Flight Center
Document Type
Book Chapter
External Source(s)
Authors
Wuebbles, D. J.
(National Science Foundation Arlington, VA, United States)
Easterling, D. R.
(National Oceanic and Atmospheric Administration Highlands, NJ, United States)
Hayhoe, K.
(Texas Tech Univ. Lubbock, TX, United States)
Knutson, T.
(National Oceanic and Atmospheric Administration Highlands, NJ, United States)
Kopp, R. E.
(Rutgers Univ. New Brunswick, NJ, United States)
Kossin, J. P.
(National Oceanic and Atmospheric Administration Highlands, NJ, United States)
Kunkel, K. E.
(North Carolina State Univ. Raleigh, NC, United States)
LeGrande, A. N.
(NASA Goddard Inst. for Space Studies New York, NY, United States)
Mears, C.
(Remote Sensing Systems, Inc. Santa Rosa, CA, United States)
Sweet, W. V.
(National Oceanic and Atmospheric Administration Highlands, NJ, United States)
Taylor, P. C.
(NASA Langley Research Center Hampton, VA, United States)
Vose, R. S.
(National Oceanic and Atmospheric Administration Highlands, NJ, United States)
Wehner, M. F.
(California Univ., Lawrence Berkeley National Lab. Berkeley, CA, United States)
Date Acquired
February 20, 2018
Publication Date
January 1, 2017
Publication Information
Publication: Climate Science Special Report: Fourth National Climate Assessment (NCA4)
Publisher: U.S. Global Change Research Program
Volume: 1
Subject Category
Geosciences (General)
Earth Resources And Remote Sensing
Report/Patent Number
GSFC-E-DAA-TN48997
Distribution Limits
Public
Copyright
Use by or on behalf of the US Gov. Permitted.
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