The observations of atmospheric CO2 and 14CO2 at KMA/GAW regional stations, their characteristics, and implications. To understand the carbon cycle at policy-relevant spatial scales, a high density of high-quality CO2 measurement sites is needed.
Modeling studies on chemical production/loss of PM2.5 and O3 during their long-range transport The first study investigates the production/loss of sulfate on the sea surface during its transport from Eastern China to South Korea.
Measurement of atmospheric halogenated compounds and the implication for regional emissions in East Asia Halogen substances (fluoride, chlorine, bromine, and iodine) are chemical elements that play a fundamental role in the Earth’s atmosphere and are associated with a variety of environmental problems.
Biosphere-atmosphere interaction in boreal ecosystems under changing climate Boreal forests, so called taiga, occupy the circum-polar land between the north dominated by arctic tundra and south dominated by temperate forests.
First Lidar Observations of Vertical Transport of Heat and Meteoric Na by the Complete Temporal Spectrum of Gravity Waves in the Mesosphere and Lower Thermosphere (MLT) over McMurdo, Antarctica The upper atmosphere is filled with waves that originate in the lower atmosphere from storm systems and airflow over mountainous terrain, and then propagate upward.
Chaos Synchronization and data assimilation Examples of synchronization, pervasive throughout the natural world, are often awe-inspiring because they tend to transcend our human intuition.
Development of NCAR WACCM-X and Its Research Applications As a research laboratory under the National Science Foundation (NSF), the National Center for Atmospheric Research (NCAR) is responsible for developing and maintaining research facilities for community use.
Predictability of the Mesosphere and Lower Thermosphere during Major Sudden Stratospheric Warmings Sudden stratospheric warmings (SSWs) significantly influence the entirety of Earth’s atmosphere, with effects ranging from the troposphere to the ionosphere and thermosphere.
Linking vegetation dynamics with watershed-scale hydrologic behavior Forested watersheds provide important ecosystem services through the provision of high quality freshwater, mitigation of floods, and maintenance of base flows.
Stratospheric-Tropospheric interaction and its application: Stratospheric sudden warming events Stratospheric sudden warming (SSW) events are one of the most remarkable examples of subseasonal variability in the boreal-winter stratosphere.
Implementation of the 3D Smagorinsky turbulence scheme in the ICON model and its applications The efforts have been taken to perform the simulation at a higher resolution.
Towards the next generation data assimilation system for NASA’s GEOS model The Joint Center for Satellite Data Assimilation (JCSDA) is developing the Joint Effort for Data assimilation Integration (JEDI).
New approach for estimating soil moisture and soil organic matter from microwave brightness temperature Various climate (i.e., oceanic and atmospheric) variability modes with interannual timescales are co- existed around the Pacific Ocean.
New approach for estimating soil moisture and soil organic matter from microwave brightness temperature Runoff is one of key component in water cycle which partitions precipitation with evapotranspiration and storage changes as the results of energy and water balance at the Earth’s surface.
New approach for estimating soil moisture and soil organic matter from microwave brightness temperature Soil moisture (SM) plays a critical role in weather and climate by effecting to atmospheric variables via evapotranspiration.
Supporting Urban Air Mobility Operations with Building-Resolving Simulations: Weather Sensitivities of Fine-Scale Urban Flows The recent emergence of unmanned aerial system (UAS) and urban air mobility (UAM), the new frontiers in air transportation operating in the atmospheric boundary layer (ABL), is expanding the scope of aviation turbulence forecasting system from ensemble-mean to eddy-resolving forecasts (Muñoz-Esparza et al.
Regional variability in black carbon and carbon monoxide ratio from long-term observations over East Asia: assessment of emission inventories and wet removal scheme The ability to obtain accurate emission estimates of greenhouse gases (GHGs) has been highlighted as an important issue for many decades, not only for regulating local air quality but also for assessing national-scale air quality and climate concerns.
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