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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
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The imprint of surface fluxes and transport on variations in total column...
New observations of the vertically integrated CO₂ mixing ratio, (CO₂), from ground-based remote sensing show that variations in (CO₂) are primarily determined by large-scale...- publication PDF
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Improvements in shortwave bulk scattering and absorption models for the...
This study summarizes recent improvements in the development of bulk scattering/absorption models at solar wavelengths. The approach combines microphysical measurements from...- publication PDF
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Toward a physically based gravity wave source parameterization in a general...
Middle atmospheric general circulation models (GCMs) must employ a parameterization for small-scale gravity waves (GWs). Such parameterizations typically make very simple...- publication PDF
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Validation of HNO₃, CIONO₂, and N₂O₅ from the Atmospheric Chemistry...
The Atmospheric Chemistry Experiment (ACE) satellite was launched on 12 August 2003. Its two instruments measure vertical profiles of over 30 atmospheric trace gases by...- publication PDF
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Linkages between COVID19, solar UV radiation, and the Montreal Protocol
There are several connections between coronavirus disease 2019 (COVID-19), solar UV radiation, and the Montreal Protocol. Exposure to ambient solar UV radiation inactivates...- publication PDF
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Seasonal and longitudinal variations of the solar quiet (Sq) current system...
Vector magnetometer observations from the Challenging Minisatellite Payload (CHAMP) satellite are used to determine the solar quiet (Sq) current system during the recent solar...- publication PDF
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Classification of stratospheric extreme events according to their downward...
This study presents a classification of stratospheric extreme events during northern winter into events with or without a consistent downward propagation of anomalies to the...- publication PDF
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Sector-based top-down estimates of NOx, SO2, and CO emissions in East Asia
Top-down estimates using satellite data provide important information on the sources of air pollutants. We develop a sector-based 4D-Var framework based on the GEOS-Chem adjoint...- publication PDF
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Global Hawk dropsonde observations of the Arctic atmosphere obtained during...
In February and March of 2011, the Global Hawk unmanned aircraft system (UAS) was deployed over the Pacific Ocean and the Arctic during the Winter Storms and Pacific Atmospheric...- publication PDF
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A Hybrid Dynamical-Statistical Model for Advancing Subseasonal Tropical...
Tropical cyclone (TC) genesis prediction at the extended-range to subseasonal timescale (a week to several weeks) is a gap between weather and climate predictions. The current...- publication PDF
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Description and derived climatologies of automated in situ...
The statistical properties of turbulence at upper levels in the atmosphere [upper troposphere and lower stratosphere (UTLS)] are still not well known, partly because of the lack...- publication PDF
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Bias and trend correction of precipitation datasets to force ocean models
A novel method to adjust the precipitation produced by atmospheric reanalyses using observational constraints to force ocean models is described. The method allows the...- publication PDF
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COSMIC-2 mission summary at three years in orbit
We summarize the status of the FORMOSAT-7/COSMIC-2 (COSMIC-2) mission which has completed its first three years in orbit. COSMIC-2 is a joint U.S./Taiwan program consisting of...- publication PDF
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Spatio-temporal models for large-scale indicators of extreme weather
Extreme weather events such as thunderstorms and tornadoes are of great concern as these events pose a significant threat to life, property, and economic stability. Because of...- publication PDF
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An observational and modeling study of impacts of bark beetle-caused tree...
Bark beetle outbreaks have killed billions of trees and affected millions of hectares of forest during recent decades. The objective of this study was to quantify responses of...- publication PDF
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Large-scale features of Pliocene climate: results from the Pliocene Model...
Climate and environments of the mid-Pliocene warm period (3.264 to 3.025 Ma) have been extensively studied. Whilst numerical models have shed light on the nature of climate at...- publication PDF
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Distinctive pattern of global warming in ocean heat content
Huge heat anomalies in the atmosphere and ocean in recent years are not yet explained. Strong characteristic patterns in temperatures for upper layers of the ocean occurred from...- publication PDF
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Statistical modeling of hot spells and heat waves
Although hot spells and heat waves are considered extreme meteorological phenomena, the statistical theory of extreme values has only rarely, if ever, been applied. To address...- publication PDF
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A single-column model ensemble approach applied to the TWP-ICE experiment
Single-column models (SCM) are useful test beds for investigating the parameterization schemes of numerical weather prediction and climate models. The usefulness of SCM...- publication PDF
