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Impact of the Polar Vortex on Sub-Seasonal O/N 2 Variability in the Lower...
We provide observational evidence that the stability of the stratospheric Polar vortex (PV) is a significant driver of sub-seasonal variability in the thermosphere during...- publication PDF
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6600/7600 Primer
This report covers the basic principles of topics ordinarily included in a beginning programming class in FORTRAN for the Control Data 6600/7600 computers. The text refers...- publication PDF
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The Mauna Loa Solar Observatory Automatic Dome Rotator System
In this report E. Yasukawa writes the description for the newest system integrated into the Coronal Dynamics Project's experiment system, located at the Mauna Loa Solar...- publication PDF
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Nudging, ensemble, and nudging ensembles for data assimilation in the...
Objective data assimilation methods such as variational and ensemble algorithms are attractive from a theoretical standpoint. Empirical nudging approaches are computationally...- publication PDF
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New generation of climate models track recent unprecedented changes in...
We compare top-of-atmosphere (TOA) radiative fluxes observed by the Clouds and the Earth's Radiant Energy System (CERES) and simulated by seven general circulation models forced...- publication PDF
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The 6.5-day wave and its seasonal variability in the middle and upper atmosphere
The zonal wave number 1 planetary wave of period near 6.5 days is a robust feature in the mesosphere and lower thermosphere (MLT) region with prominent seasonal variability as...- publication PDF
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Microphysics of aerodynamic contrail formation processes
Aerodynamic condensation is a result of intense adiabatic cooling in the airflow over aircraft wings and behind propeller blades. Out of cloud, condensation appears as a...- publication PDF
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CARIB12: A regional Community Earth System Model/Modular Ocean Model 6...
A new Community Earth System Model/Modular Ocean Model 6 (CESM/MOM6) ocean-only regional 1/12° configuration of the Caribbean Sea is presented and validated. The model...- publication PDF
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Landscape-scale controls on aboveground forest carbon stocks on the Osa...
Tropical forests store large amounts of carbon in tree biomass, although the environmental controls on forest carbon stocks remain poorly resolved. Emerging airborne remote...- publication PDF
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Characteristics of generating cells in wintertime orographic clouds
During the Seeded and Natural Orographic Wintertime clouds: the Idaho Experiment (SNOWIE) field campaign, cloud -top generating cells were frequently observed in the very high...- publication PDF
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A multivariate frequency analysis framework to estimate the return period of...
This study proposed a framework to evaluate multivariate return periods of hurricanes using event-based frequency analysis techniques. The applicability of the proposed...- publication PDF
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Air-sea enthalpy and momentum exchange at major hurricane wind speeds...
Quantifying air-sea exchanges of enthalpy and momentum is important for understanding and skillfully predicting tropical cyclone intensity, but the magnitude of the...- publication PDF
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The Community Climate System Model, version 2
The Community Climate System Model, version 2 (CCSM2) is briefly described. A 1000-yr control simulation of the present day climate has been completed without flux adjustments....- publication PDF
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The diurnal cycle and its depiction in the Community Climate System Model
To evaluate the performance of version 2 of the Community Climate System Model (CCSM2) in simulating the diurnal cycle and to diagnose the deficiencies in underlying model...- publication PDF
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The formulation and atmospheric simulation of the Community Atmosphere Model...
A new version of the Community Atmosphere Model (CAM) has been developed and released to the climate community. CAM Version 3 (CAM3) is an atmospheric general circulation model...- publication PDF
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The Energy Balance Experiment EBEX-2000. Part II: Inter-comparison of eddy...
The eddy-covariance method is the primary way of measuring turbulent fluxes directly. Many investigators have found that these flux measurements often do not satisfy a...- publication PDF
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An overview of geoengineering of climate using stratospheric sulphate aerosols
We provide an overview of geoengineering by stratospheric sulphate aerosols. The state of understanding about this topic as of early 2008 is reviewed, summarizing the past 30...- publication PDF
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Latitudinal double-peak structure of stationary planetary wave 1 in the...
We report a hitherto unknown latitudinal double-peak structure in the amplitude of stationary planetary wave 1 (SPW1) geopotential height in the stratosphere and lower...- publication PDF
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Reduced risk of North American cold extremes due to continued Arctic Sea ice loss
In early January 2014, an Arctic air outbreak brought extreme cold and heavy snowfall to central and eastern North America, causing widespread disruption and monetary losses....- publication PDF
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Arctic mixed-phase clouds simulated by a cloud-resolving model: Comparison...
Single-layer mixed-phase stratiform (MPS) Arctic clouds, which formed under conditions of large surface heat flux combined with general subsidence during a subperiod of the...- publication PDF
