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Size distributions of hydrometeors: Analysis with the maximum entropy principle
This paper proposes that the maximum entropy principle can be used for determining the drop size distribution of hydrometeors. The maximum entropy principle can be applied to...- publication PDF
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Persistent coarrays: Integrating MPI storage windows in coarray fortran
The inherent integration of novel hardware and software components on HPC is expected to considerably aggravate the Mean Time Between Failures (MTBF) on scientific applications,...- publication PDF
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Standard Test Methods for Balloon Materials
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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The Arctic Research of the Composition of the Troposphere from Aircraft and...
The NASA Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS) mission was conducted in two 3-week deployments based in Alaska (April 2008)...- publication PDF
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Impacts of frequent assimilation of surface pressure observations on...
To investigate the impacts of frequently assimilating only surface pressure (PS) observations, the Data Assimilation Research Testbed and the Community Atmosphere Model...- publication PDF
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Matrix approach to accelerate spin-up of CLM5
Numerical models have been developed to investigate and understand responses of biogeochemical cycle to global changes. Steady state, when a system is in dynamic equilibrium, is...- publication PDF
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Refinement of the use of inhomogeneous background error covariance estimated...
Background error covariance (BEC) is one of the key components in data assimilation systems for numerical weather prediction. Recently, a scheme of using an inhomogeneous and...- publication PDF
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Importance of different parameterization changes for the updated dust cycle...
The Community Atmosphere Model (CAM6.1), the atmospheric component of the Community Earth System Model (CESM; version 2.1), simulates the life cycle (emission, transport, and...- publication PDF
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Serendipity : Research Career of One Scientist
Dr. Akira Kasahara reflects on his career of more than 65 years in the field of meteorology, specifically the fields of numerical weather prediction and computational modeling...- publication PDF
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Impact of sea ice on the marine iron cycle and phytoplankton productivity
Iron is a key nutrient for phytoplankton growth in the surface ocean. At high latitudes, the iron cycle is closely related to the dynamics of sea ice. In recent decades, Arctic...- publication PDF
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Quantifying the impacts of high-resolution urban information on the urban...
Detailed urban information, including land use/land cover (LULC), anthropogenic heat (AH) release, and urban canopy parameters (UCP), play critical roles in meteorological field...- publication PDF
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Ground-based GNSS and satellite observations of auroral ionospheric...
The 25-26 August 2018 space weather event occurred during the solar minimum period and surprisingly became the third largest geomagnetic storm of the entire 24th solar cycle. We...- publication PDF
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Priorities for boundary-layer meteorology research in China
Under the sponsorship of the Natural Science Foundation of China (NSFC), a symposium on boundary layer meteorology was held at Nanjing University of Information Science and...- publication PDF
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Design Life Level: Quantifying risk in a changing climate
In the past, the concepts of return levels and return periods have been standard and important tools for engineering design. However, these concepts are based on the assumption...- publication PDF
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The First Moments of the Variance- and Cross-spectra of Standard and...
This Technical Note was prepared during the author's year-long research stay at NCAR's Atmospheric Technology Division (ATD). It is a translated, revised and slightly extended...- publication PDF
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A comparison of the vorticity dynamics governing the oceanic bomb cyclone of...
Convection-allowing simulations of two warm seclusion cyclones are used to elucidate the vorticity dynamics that contribute to intensification of these systems. The rapidly...- publication PDF
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The global budget of atmospheric methanol: New constraints on secondary,...
Methanol is the second-most abundant organic gas in the remote atmosphere after methane, but its sources are poorly understood. Here, we report a global budget of methanol...- publication PDF
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Wet scavenging in WRF-Chem simulations of parameterized convection for a...
Deep convection can transport surface moisture and pollution from the planetary boundary layer to the upper troposphere (UT) within a few minutes. The convective transport of...- publication PDF
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The Parker Magnetostatic Theorem
We demonstrate the Parker Magnetostatic Theorem in terms of a small neighborhood in solution space containing continuous force-free magnetic fields in small deviations from the...- publication PDF
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Tracking shallow convective mixing and its influence on low-level clouds...
Low-cloud feedbacks contribute large uncertainties to climate projections and estimated climate sensitivity. A key physical process modulating low-cloud feedbacks is shallow...- publication PDF