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Tracking air Pollution by sea
Michelle Firmbach
Portsmouth Herald
7/30/02
PORTSMOUTH
- If the Seacoast's air quality has become so unpredictable that a jog
around New Castle or a bike ride to Odiorne State Park first requires a
check of ground-level ozone, science may be able to help.
It
won't be long before New Hampshire residents will be able to get an
air-quality forecast on the hour just like a weather report.
"You will be able to see pollution moving toward you," said Robert
Talbot, director of the AIRMAP Cooperative Institute and professor of
earth science at the University of New Hampshire's Institute for the
Study of Earth, Oceans and Space. AIRMAP is the National Oceanic and
Atmospheric Administration's Atmospheric Investigation, Regional
Modeling, Analysis and Prediction project, headquartered at UNH.

Marcy Vozella, a university of New Hampshire graduate student form
Eliot, Maine, works on a system that measures the amount of nitric acid
in the air aboard the NOAA vessel Ronald Brown. Photo by Carrie Niland.
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Starting from
scratch, scientists striving to understand why the Northeast has some
of the worst air quality in the country are working on board NOAA's
largest research vessel, the RV Ronald H. Brown.
Research under way aboard the vessel is expected to promote the development of national air-quality forecast capabilities.
Chief scientist Timothy S. Bates, of NOAA's Pacific Marine
Environmental Laboratory in Seattle, said the testing will increase the
frequency and reliability of forecasts and, in the long term, help to
pass legislation to improve air quality.
"If we understand the system sufficiently, we can start to say 'OK,
what if we turn off this emission?'" Bates explained. "How is that
going to affect the big picture?"
Thirty scientists, including personnel from both NOAA and UNH, steamed
out into New Hampshire's coastal waters Monday to study the movement of
airborne pollutants and which meteorological conditions contribute to
the region's poor air quality.
"This is the first try to get a handle on what's going on in this
region," Talbot said. The region is the test bed for the AIRMAP
project.
Executed from a mobile platform, the project involves more than 100
NOAA personnel and 20 partner institutions. This summer marks the 2002
campaign of the New England air-quality study.
For a short presentation Monday alongside the ship docked at the state
pier, Sen. Judd Gregg, R-N.H., joined UNH President Ann Weaver,
Assistant Secretary of Commerce for Oceans and Atmosphere James Mahoney
and others.
"The air-quality projects will begin to address a growing concern in
New Hampshire," Gregg said. "Air pollution migrating from Boston, New
York and the Midwest and as far away as the Far East is creating an
adverse situation not only in our urban areas, but in the White
Mountains, North Country and the Seacoast."
This year, Gregg included $12 million in federal funding for the
region's air quality studies in the Senate appropriations bill now
making itsway through the Senate. The bill includes $1.75 million for
the AIRMAP study, an additional $6 million for the development of air
quality and improved temperature forecasting, with the Northeast
serving as the test site, and $5 million for an air-monitoring
institute to be housed at UNH.
Gregg said these programs will detail specific contaminants entering
New Hampshire - where they're coming from and what can be done to
reverse the trend.
"We will know fairly precisely, once we complete the AIRMAP and
atmospheric testing, first what the pollutants are and where they're
coming from," Gregg said. "Once we know that we can take action to
reduce the emissions and improve the quality of the air, there will be
tangible results."
For the past three years, AIRMAP has taken pollutant measurements from
monitoring stations at three rural New Hampshire sites. The research
ship and a G-1 Gulfstream aircraft operated by the U.S. Department of
Energy's Pacific Northwest National Laboratory will be used as
additional monitoring sites, offering the advantage of mobile
platforms.
On board the ship, 25-year-old UNH graduate student Marcy Vozzella was
tracking nitric acid in the atmosphere in hopes of identifying sources
of the pollution.
"In Boston Harbor, we can watch the traffic peak, youcan see it in the air," said Vozzella, of Eliot, Maine.
Samples taken by Vozzella, doctoral student Eric Scheuer, and lab
supervisor Sallie Whitlow have little value on their own. But when
pieced together with other data compiled on board, scientists can begin
to gain a sense of atmospheric health.
"The real heart of what's going on here is to see how well we can
predict how things work. Back on land, we have computer modelers, which
are making predictions and forecasts," Scheuer said. "We're out here
trying to not only verify them, but see what they're missing and see
how well we can do it. It's a lot of fun."
The study is visible: Instrumentation and experimentation stations are
being set up throughout the Seacoast region, the 274-foot Ronald H.
Brown can be seen just off the coast, and the research plane may be
apparent overhead. Also, NOAA's Environmental Technology Laboratory set
up a Doppler LIDAR - short for "light detection and ranging" - at Rye
Harbor State Park for sea-breeze observations. The equipment trailer
will be seen on Route 1A in Rye.
Seven integrated wind-profiler systems will be deployed at various
sites in New York and around New England. These systems, which measure
wind and temperature, will help document the movement of pollution into
and out of the Northeast.
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