Fiscal Year 2005- 2006 Accelerated Research on Global Climate Observations Fact Sheet Page: 1
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Fiscal Year 2005-2006 Research on Global Climate Observations
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Fiscal Year 2005- 2006
US Climate Change
Science Prgram Accelerated Research on
Updated11October,2003 Global Climate Observations
Fact Sheet
Coincident with the release of the Climate
Change Science Program strategic plan, the
Administration announces plans for the
acceleration of select high priority research
projects and climate observations. These
activities contribute to filling critical knowledge
gaps identified in the plan (aerosols, oceans
and the natural carbon cycle). The selected
investments have been coordinated among
the agencies to maximize the overall impact.
Funding will be reallocated from lower priority
areas to enable these critical investments.
Reduce Scientific
Uncertainty of Aerosols
Aerosols are tiny particles in the atmosphere
such as soot and dust. Some aerosols, like
sulfates, reflect incoming sunlight and, thus,
cool the atmosphere. For some aerosols like
soot or black carbon, it is uncertain whether
they heat or cool the atmosphere. Aerosols
also make cloud water droplets smaller so that
this type of cloud reflects more sunlight and,
thus, cools the atmosphere. Observations of
the global and vertical distributions of size,
composition, physical and optical properties of
aerosols are needed to determine whether the
overall effect of aerosols enhances heating or
cooling of the atmosphere. With new
observations, the uncertainty about the role of
aerosols in climate science will be reduced.
DOE ($12.5M, FY2005; $12.5M, FY2006) will
investigate aerosol - cloud interactions with
measurements of the vertical distributions of
the amounts, types and optical properties of
aerosols, clouds and of other atmospheric
variables at its three Atmospheric Radiation
Measurement (ARM) sites, with a planned
mobile ARM facility, and with unpiloted aerial
vehicles to improve quantification of aerosol
forcing in climate models.
NASA ($10M, FY2005; $10M, FY2006) will
accelerate development of the Advanced
Polarimeter Sensor (APS), including
integration and test of instrumented
spacecraft and preparation of algorithms to
interpret satellite measurements. The APS will
provide global observations of vertical
distributions of aerosol size and composition.
NOAA ($5M, FY2005; $5M, FY2006) will
measure vertical distributions of aerosols at
selected locations from ships and airplanes to
analyze the interactions of aerosols and
clouds.
Reduce Scientific
Uncertainties of Carbon
Sources and Sinks and of the
Water CycleThe size and natural variability of the Earth's
sources and sinks of carbon and carbon
transport mechanisms are not sufficiently
known for evaluating carbon sequestration
opportunities. The integrated North American9/29/2009 12:05 PM
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Climate Change Science Program. Fiscal Year 2005- 2006 Accelerated Research on Global Climate Observations Fact Sheet, text, 2003; Washington, DC. (https://digital.library.unt.edu/ark:/67531/metadc11948/m1/1/: accessed April 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .