[PCA] EVENT: Earth's Water Cycle in a Changing Climate Presentation (Washington, DC)
Olivia Kwong
plant at plantconservation.org
Thu May 29 09:14:42 CDT 2008
May 12, 2008
Press contact: Donna Urschel (202) 707-1639, durschel at loc.gov
Public contact: Science, Technology and Business Division (202) 707-5664
NASA Goddard Space Flight Center (301) 614-6627
"EARTH'S WATER CYCLE IN A CHANGING CLIMATE"
TO BE DISCUSSED BY NASA SCIENTIST, JUNE 4
Water is always cycling, changing from liquid to water vapor to ice -- on,
under and over the surface of the Earth. A leading NASA scientist will
explain how this water cycle is being affected by a warming climate and
what we might expect for the future.
Peter Hildebrand, Chief of the Hydrospheric and Biospheric Sciences
Laboratory at NASA Goddard Space Flight Center, will discuss "Earth's
Water Cycle in a Changing Climate" at the Library of Congress at 11:30
a.m. on Wednesday, June 4, in the Mary Pickford Theater on the third floor
of the James Madison Building, 101 Independence Ave. S.E., Washington,
D.C.
The presentation, the third in a series of five programs in 2008, is given
through a partnership between the Library's Science, Technology and
Business Division and NASA Goddard Space Flight Center. The event is free
and open to the public; tickets are not required.
The Earth is warming, particularly over the continents and toward the
poles. In the northern hemisphere, the amount of precipitation is
increasing, while equatorial regions are experiencing less precipitation
in general. Ecosystems are responding to a warming climate by moving
poleward, and by moving upward in altitude when mountains are accessible.
Climate change is affecting worldwide food production as well as the
accessibility of water for other basic human uses. Current change trends
are expected to continue and to increase in intensity. Coupled with human
population growth, climate change is likely to require the migration of
large numbers of people. Dr. Hildebrand will discuss and illustrate
space-based observations of these global phenomena and the consequences
for human society. NASA's observations of the Earth from space will assist
the United States and the world to understand and react to these changes,
and can help our nation lead the world to a sustainable future.
Hildebrand is chief of the Hydrospheric and Biospheric Science Laboratory
at NASA Goddard Space Flight Center, which conducts research concerning
all aspects of the Earth's hydrosphere and water cycle. While retaining
his laboratory position, Hildebrand was recently promoted to deputy
director of the Science and Exploration Directorate at Goddard.
Hildebrand earned his bachelor's, master's and doctorate's degrees in
atmospheric sciences at the University of Chicago. He served as a weather
officer in the U.S. Navy and also worked for the Illinois State Water
Survey and the National Center for Atmospheric Research. He joined NASA in
1999 as head of the Microwave Sensors Branch at Goddard. In 2002 he was
appointed chief of the Hydrospheric and Biospheric Laboratory.
The Library of Congress maintains one of the largest and most diverse
collections of scientific and technical information in the world. The
Science, Technology and Business Division provides reference and
bibliographic services and develops the general collections of the Library
in all areas of science, technology, business and economics. For more
information, visit www.loc.gov/rr/scitech/.
# # #
PR08-99
05/12/08
ISSN: 0731-3527
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