-
Solar flare effects on 150-km echoes observed over Jicamarca: WACCM-X simulations
Jicamarca Radio Observatory observations and Whole Atmosphere Community Climate Model with thermosphere-ionosphere eXtension (WACCM-X) simulations are used to investigate the...- publication PDF
-
The impact of climate change on ocean submesoscale activity
Global warming may modify submesoscale activity in the ocean through changes in the mixed layer depth (MLD) and lateral buoyancy gradients. As a case study we consider a region...- publication PDF
-
The influence of local feedbacks and northward heat transport on the...
This study uses coupled climate model experiments to identify the influence of atmospheric physics [Community Atmosphere Model, versions 4 and 5 (CAM4; CAM5)] and ocean model...- publication PDF
-
Derivation of turbulent kinetic energy from a first-order nonlocal planetary...
Turbulent kinetic energy (TKE) is derived from a first-order planetary boundary layer (PBL) parameterization for convective boundary layers: the nonlocal K-profile Yonsei...- publication PDF
-
LongRunMIP: Motivation and design for a large collection of...
We present a model intercomparison project, LongRunMIP, the first collection of millennial-length (1,000+ years) simulations of complex coupled climate models with a...- publication PDF
-
Aircraft measurements of gravity waves in the upper troposphere and lower...
This study analyzes in situ airborne measurements from the 2008 Stratosphere-Troposphere Analyses of Regional Transport (START08) experiment to characterize gravity waves in the...- publication PDF
-
A mixed integer genetic algorithm used in chem-bio defense applications
There are many problems in security and defense that require a robust optimization technique, including those that involve the release of a chemical or biological contaminant....- publication PDF
-
The maximum entropy limit of small-scale magnetic field fluctuations in the quiet Sun
The observed magnetic field on the solar surface is characterized by a very complex spatial and temporal behavior. Although feature-tracking algorithms have allowed us to deepen...- publication PDF
-
UNIX Word Processing at HAO / (For Use With the 4.2 BSD Version and -Me...
This manual is a compilation of the word processing commands needed while using UNIX at the High Altitude Observatory of the National Center for Atmospheric Research in Boulder,...- publication PDF
-
Exploring impacts of rapid-scan radar data on NWS warning decisions
Rapid-scan weather radars, such as the S-band phased array radar at the National Weather Radar Testbed in Norman, Oklahoma, improve precision in the depiction of severe storm...- publication PDF
-
Superpressure Balloon Flights From Christchurch, New Zealand July 1968-December 1969
This report contains flight summaries and analyses of Phase III GHOST balloon flights in the period 1 July 1968 to 31 December 1969. These flights were launched from...- publication PDF
-
Hydroclimate and ENSO variability recorded by oxygen isotopes from tree...
Hydroclimate variability in tropical South America is strongly regulated by the South American Summer Monsoon (SASM). However, past precipitation changes are poorly constrained...- publication PDF
-
Project Clambake Surface Wind Analysis at Palestine, Texas
The Field Observing Facility of NCAR measured surface winds at the NCAR Scientific Balloon Flight Station at Palestine, Texas, during October and November 1965 in order to...- publication PDF
-
Revealing bias of Cloud Radiative Effect in WRF simulation: Bias...
Accurate prediction of cloud radiative effect (CRE) is important to weather forecast and climate projection, and solar energy production-a major renewable energy source toward...- publication PDF
-
Equatorial ionospheric plasma drifts and O+ concentration enhancements...
Disturbance dynamo is an important dynamic process during magnetic storms. However, very few direct observations of dynamo-induced plasma drifts and ion composition changes in...- publication PDF
-
Facilitating strongly coupled ocean-atmosphere data assimilation with an...
In a strongly coupled data assimilation (DA), a cross-fluid covariance is specified that allows measurements from a coupled fluid (e.g., atmosphere) to directly impact analysis...- publication PDF
-
Global oscillatory modes in high-end climate modeling and reanalyses
Interannual oscillatory modes, atmospheric and oceanic, are present in several large regions of the globe. We examine here low-frequency variability (LFV) over the entire globe...- publication PDF
-
The sea spray contribution to sensible heat flux
Direct numerical simulations (DNS) of turbulent Couette flow are combined with Lagrangian point-particle tracking to investigate the effects of a dispersed phase on bulk passive...- publication PDF
-
Effective radiative forcing and adjustments in CMIP6 models
The effective radiative forcing, which includes the instantaneous forcing plus adjustments from the atmosphere and surface, has emerged as the key metric of evaluating human and...- publication PDF
-
Corrections of humidity measurement errors from the Vaisala RS80 radiosonde...
A series of laboratory tests have been conducted on several different batches of Vaisala RS80 radiosondes to understand and develop methods to correct six humidity measurement...- publication PDF
