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| The main activities of the Applied
Meteorology Research Laboratory(AMRL) are
to carry out the researches for biometeorology,
urban climatology, Asian dust and air pollution
meteorology with the close relationship to
human for well-being life. |
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Micrometeorology
and urban climatology |
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Air pollutants physiochemistry |
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Hwangsa (Asian dust) and air
pollution meteorology |
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Industrial and traffic- aviation
meteorology |
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Agriculture meteorology and
public weather services |
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Human biometeorology |
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Meteorology impact assessment |
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Monitoring and analysis of meteorology
and air pollutants at Gosan station
in Jeju island |
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Development of the
techniques on the Asian dust monitoring
and prediction |
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Monitoring and prediction of
urban climate meteorology |
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Research on human biometeorology |
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The
source region of ¡°Hwangsa¡±
Hwangsa(Asian dust) that affects the
Korean peninsula occur most frequently
in the spring season, and originate
in the arid and semi-arid regions of
sand deserts, including Badainjaran,
Tengger, Mu Us, Hunsandakue, and Keoeolchin,
gobi regien and loess regions of the
Asian continent. The origins of Hwangsa
include most of Mongolia and northern
China. The southeastward moving low-pressure
systems accompained with the cold fronts
and disseminate the dust into the atmosphere,
often resulting in a visibility reduction
of less than 1 km.
Dust storm monitoring towers at (a)
Duolun, (b) Yulin, and (c) Zhangye in
the source region
Simulation
of Hwangsa phenomenon in Korea
The operational meteorological model
of Regional Data Assimilation and Prediction
System(RDAPS) and the operational aerosol
model(S. U. Park, 2002) are used to
forecast dust phenomena. The Model results
are compared with the monitored PM10
concentration in China and Korea. .
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Heat-related
morbidity and mortality
Interest in the impact of weather on
human health has increased dramatically
in recent years, especially in light
of future climate changes. In particular,
it is evident that hot weather contributes
to increased morbidity and mortality
in large urban areas (e.g., Philadelphia
in 1993, Shanghai in 1998, Paris in
2003, and so on). The heat watch/warning
systems based on the digital output
from numerical weather prediction (NWP)
model of the Korea Meteorological Administration
(KMA) have been constructed. The figure
shows daily mortality at Seoul as a
function of daily maximum temperature
during the recent 14 years (1991 to
2004). In abnormal hot summer of 1994
and 2004, daily mortality exponentially
increased with maximum temperature.
Construction
of human well-being bioclimate map
In order to more fully understand the
effects of atmospheric conditions on
human health, well-being and performance,
it is necessary to transform the primary
meteorological information so that it
becomes biologically and medically relevant.
Perceived Temperature or PT compares
the actually existing outside conditions
with the temperature that would prevail
in a standard environment in order to
experience an identical feeling of warmth,
comport or cold. The figure shows mean
frequency of thermal (heat stress as
red circles and cold stress as blue
circles in the day number a year) stress
for the major cities in South Korea
from 1983 to 2004. Geographical distribution
of thermally comfortable zone in South
Korea will be finally constructed in
the biometeorology project in KMA/METRI.
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Monitoring
of urban climate
The intensive observation in the urban
area was performed to investigate the
urban meteorological characteristics
such as urban thermal environment, urban
hydrology, urban wind road. Especially,
long-term meteorological monitoring
system in the Cheonggye stream area
was used to evaluate quantitatively
the land-use change effects of before
and after Cheonggye stream restoration
on the urban meteorology.
Monitoring of urban climate change in
Cheonggye stream
Distribution of the net radiation and
sensible heat in the Cheonggye stream
in 2003 and 2005
Prediction
of urban flow
dynamics (CFD) model coupled to a mesoscale
model (MM5).
Three characteristics flow regimes (a)
channeling flow, (b) double-eddy circulation,
and (c) recirculation zone. |
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