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Aircraft measurements of the impacts of pollution aerosols on clouds and...
Recent publications suggest that anthropogenic aerosols suppress orographic precipitation in California and elsewhere. A field campaign (SUPRECIP: Suppression of Precipitation)...- publication PDF
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The tropical tropopause layer 1960-2100
The representation of the Tropical Tropopause Layer (TTL) in 13 different Chemistry Climate Models (CCMs) designed to represent the stratosphere is analyzed. Simulations for...- publication PDF
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Validation of ACE-FTS NâO measurements
The Atmospheric Chemistry Experiment (ACE), also known as SCISAT, was launched on 12 August 2003, carrying two instruments that measure vertical profiles of atmospheric...- publication PDF
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Simulation of secular trends in the middle atmosphere, 1950-2003
We have used the Whole Atmosphere Community Climate Model to produce a small (three-member) ensemble of simulations of the period 1950 - 2003. Comparison of model results...- publication PDF
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Probabilistic climate change projections for CO2 stabilization profiles
Probabilistic projections of future climate change for a range of CO2 stabilization profiles intended for the Fourth Assessment Report of the Intergovernmental Panel on Climate...- publication PDF
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Estimating the risk of extreme wind gusts in tropical cyclones using...
Recent studies have shown that extreme wind gusts are ubiquitous within the eyewall of intense tropical cyclones (TCs). These gusts pose a substantial hazard to human life and...- publication PDF
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The 2023 extreme coastal El Niño: Atmospheric and air-sea coupling mechanisms
In the boreal spring of 2023, an extreme coastal El Nino struck the coastal regions of Peru and Ecuador, causing devastating rainfalls, flooding, and record dengue outbreaks....- publication PDF
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Influences of the mid-level vortex on the formation of Tropical Cyclone Toraji (2013)
This study analyzes the influences of the mid-level vortex on the formation of Tropical Cyclone Toraji (2013). A rare case of a tropical cyclone that formed near Taiwan involved...- publication PDF
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Is AMOC more predictable than North Atlantic heat content?
Predictability properties of the Atlantic meridional overturning circulation (AMOC) are measured and compared to those of the upper-500-m heat content in the North Atlantic...- publication PDF
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The Whole Atmosphere Community Climate Model Version 6 (WACCM6)
The Whole Atmosphere Community Climate Model version 6 (WACCM6) is a major update of the whole atmosphere modeling capability in the Community Earth System Model (CESM),...- publication PDF
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Seasonal to multi-year soil moisture drought forecasting
Soil moisture predictability on seasonal to decadal (S2D) continuum timescales over North America is examined from the Community Earth System Modeling (CESM) experiments. The...- publication PDF
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Long-term variability and tendencies in middle atmosphere temperature and...
Long-term variability of middle atmosphere temperature (T) and zonal wind (U) is investigated using a three-member ensemble of historical simulations of NCAR's Whole Atmospheric...- publication PDF
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Clear-sky ultraviolet radiation modelling using output from the Chemistry...
We have derived values of the ultraviolet index (UVI) at solar noon using the Tropospheric Ultraviolet Model (TUV) driven by ozone, temperature and aerosol fields from climate...- publication PDF
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A new spectro-polarimeter for solar prominence and filament magnetic field...
We are constructing a spectro-Âpolarimeter using the 40-Âcm coronagraph at the Evans Solar Facility of the National Solar Observatory in Sunspot, NM for the purpose of...- publication PDF
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Comparison of the neutral wind seasonal variation from midlatitude conjugate...
The seasonal variation of F region neutral wind from the midlatitude conjugate Fabry-Perot interferometer observations has been studied. The meridional wind at Palmer station...- publication PDF
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Decadal prediction in the Pacific region
A "perfect model" configuration with a global coupled climate model 30-member ensemble is used to address decadal prediction of Pacific SSTs. All model data are low-pass...- publication PDF
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The Year of Polar Prediction in the Southern Hemisphere (YOPP-SH)
The Year of Polar Prediction in the Southern Hemisphere (YOPP-SH) had a special observing period (SOP) that ran from 16 November 2018 to 15 February 2019, a period chosen to...- publication PDF
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Linear trends and closures of 10-yr observations of AIRS stratospheric channels
The Atmospheric Infrared Sounder (AIRS) level-1b radiances have been shown to be well calibrated (~0.3 K or higher) and have little secular drift (~4 mK yrâ»Â¹) since operation...- publication PDF
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Sensitivity of limited-area hybrid variational-ensemble analyses and...
Dual-resolution (DR) hybrid variational-ensemble analysis capability was implemented within the community Weather Research and Forecasting (WRF) Model data assimilation (DA)...- publication PDF
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The Land Use Model Intercomparison Project (LUMIP) contribution to CMIP6:...
Human land-use activities have resulted in large changes to the Earth's surface, with resulting implications for climate. In the future, land-use activities are likely to expand...- publication PDF
