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N2O as a regression proxy for dynamical variability in stratospheric trace gas trends
Trends in stratospheric trace gases like HCl, N2O, O3, and NOy show a hemispheric asymmetry over the last 2 decades, with trends having opposing signs in the Northern Hemisphere...- publication PDF
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Southern Hemisphere Additional Ozonesondes (SHADOZ) ozone climatology...
We present a regional and seasonal climatology of SHADOZ ozone profiles in the troposphere and tropical tropopause layer (TTL) based on measurements taken during the first five...- publication PDF
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Identifying canopy snow in subalpine forests: A comparative study of methods
The interception of snow by the canopy is an important process in the water and energy balance in cold‐region coniferous forests. Direct measurements of canopy snow...- publication PDF
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An Overview of the Scientific Computing Division
This document is an expanded revision of An Overview of NCAR's Computing Environment (NCAR/TN-177+IA). It contains a new chapter describing the various departments within SCD...- publication PDF
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The response of middle thermosphere (â¼160 km) composition to the 20-21...
TIMED/GUVI limb measurements and first-principles simulations from the Thermosphere Ionosphere Electrodynamics Global Circulation Model (TIEGCM) are used to investigate...- publication PDF
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Conservation of dry air, water, and energy in CAM and its potential impact...
For the Community Atmosphere Model version 6 (CAM6), an adjustment is needed to conserve dry air mass. This adjustment exposes an inconsistency in how CAM6's energy budget...- publication PDF
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Overview of the Coupled Model Intercomparison Project Phase 6 (CMIP6)...
By coordinating the design and distribution of global climate model simulations of the past, current, and future climate, the Coupled Model Intercomparison Project (CMIP) has...- publication PDF
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Quantifying nitrous acid formation mechanisms using measured vertical...
Nitrous acid (HONO) is an important radical precursor that can impact secondary pollutant levels, especially in urban environments. Due to uncertainties in its heterogeneous...- publication PDF
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The White Light Solar Corona an Atlas of K-coronameter Synoptic Charts...
The synoptic observing project of the High Altitude Observatory's Coronal Dynamics Program started on 5 August 1980. The data obtained during the first year of operation,...- publication PDF
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Atmospheric stability effects on wind fields and scalar mixing within and...
Air temperature T a , specific humidity q, COâ mole fraction x c , and three-dimensional winds were measured in mountainous terrain from five tall towers within a 1 km region...- publication PDF
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Localizing the impact of satellite radiance observations using a global...
Assimilation of satellite radiances has been proven to have positive impacts on the forecast skill, especially for regions with sparse conventional observations. Localization is...- publication PDF
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Long-range pollution transport during the MILAGRO-2006 campaign: A case...
One of the major objectives of the Megacities Initiative: Local And Global Research Observations (MILAGRO-2006) campaign was to investigate the long-range transport of polluted...- publication PDF
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Modeling organic aerosols in a megacity: Potential contribution of...
It has been established that observed local and regional levels of secondary organic aerosols (SOA) in polluted areas cannot be explained by the oxidation and partitioning of...- publication PDF
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Evaluating stratospheric tropical width using tracer concentrations
Quantifying the width of the tropics has important implications for understanding climate variability and the atmospheric response to anthropogenic forcing. Considerable effort...- publication PDF
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Comparing optimized CO emission estimates using MOPITT or NOAA surface...
This paper compares two global inversions to estimate carbon monoxide (CO) emissions for 2004. Either surface flask observations from the National Oceanic and Atmospheric...- publication PDF
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The frequency, intensity, and diurnal cycle of precipitation in surface and...
Global precipitation data sets with high spatial and temporal resolution are needed for many applications, but they were unavailable before the recent creation of several such...- publication PDF
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Large-scale O+ depletions observed by ICON in the post-midnight topside...
The Ion Velocity Meter instrument on the Ionospheric Connection Explorer (ICON) satellite measured large depletions in the O+ density (but not H+) in the post-midnight topside...- publication PDF
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Temperature trends derived from Stratospheric Sounding Unit radiances: The...
Stratospheric Sounding Units (SSU) on the NOAA operational satellites have been the main source of near-global temperature trend data above the lower stratosphere. They have...- publication PDF
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Research priorities in observing and modeling urban weather and climate
This article does not have an abstract or article summary.- publication PDF
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Multimodel projections of stratospheric ozone in the 21st century
Simulations from eleven coupled chemistry-climate models (CCMs) employing nearly identical forcings have been used to project the evolution of stratospheric ozone throughout the...- publication PDF