-
The solar cycle and solar dynamo models: Past accomplishments, present...
We describe the primary observational features of solar cycles, as seen in the photosphere, and review progress made over the past sixty years to simulate and predict these...- publication PDF
-
Mesoscale F region neutral winds associated with quasi-steady and transient...
High-latitude neutral winds often circulate in a two-cell pattern as driven by large-scale auroral forcing. However, auroral forcing also occurs in various types of mesoscale...- publication PDF
-
Revising the ozone depletion potentials metric for short-lived chemicals...
Ozone depletion potentials (ODPs) are an important metric in national and international policy for evaluating the relative importance of different gases to affecting...- publication PDF
-
Ozone photolysis: Strong isotopologue/isotopomer selectivity in the stratosphere
We calculated the photolysis rate coefficients of five ozone isotopologues/isotopomers as functions of altitude up to 80 km using recent ab initio absorption cross sections and...- publication PDF
-
GHOST Balloon Data Volume VI: Balloon 50D
Early Global Horizontal Sounding Technique (GHOST) balloon tests have resulted in valuable upper air wind data, particularly in the data-poor mid-latitudes over southern...- publication PDF
-
Vertical motions in orographic cloud systems over the Payette River Basin....
Vertical motions over the complex terrain of Idaho's Payette River basin were observed by the Wyoming Cloud Radar (WCR) during 23 flights of the Wyoming King Air during the...- publication PDF
-
Evaluating and improving cloud phase in the Community Atmosphere Model...
Spaceborne lidar observations from the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite are used to evaluate cloud amount and cloud phase in...- publication PDF
-
Global impact of nitrate photolysis in sea-salt aerosol on NOx, OH, and O3...
Recent field studies have suggested that sea-salt particulate nitrate (NITs) photolysis may act as a significant local source of nitrogen oxides (NOx) over oceans. We present a...- publication PDF
-
Flux and Sounding Data From the NCAR King Air Aircraft During HAPEX
This technical note describes the operation of the NCAR King Air aircraft during HAPEX, the methods of processing the data, and presents a large portion of the data from the...- publication PDF
-
A new approach to testing forecast predictive accuracy
The Diebold-Mariano test for predictive accuracy has been used widely and adapted for economic forecasts, but has not seen much activity in weather forecast verification. The...- publication PDF
-
Enhancement of land surface information and its impact on atmospheric...
With increasing computational resources, atmospheric/environmental models continue to run at finer-grid spacing that can resolve land surface characteristics, such as...- publication PDF
-
Climate and melting variability in Antarctica
Scientists have observed large increases in melting on the Greenland Ice Sheet in recent decades. But what is happening in Antarctica? Temperature increases during the past...- publication PDF
-
The Polstar high resolution spectropolarimetry MIDEX mission
The Polstar mission will provide a space-borne 60 cm spectropolarimeter operating at ultraviolet (UV) wavelengths, capturing all four Stokes parameters (intensity, two linear...- publication PDF
-
Evaluation of cloud and water vapor simulations in CMIP5 climate models...
Using NASA's A-Train satellite measurements, we evaluate the accuracy of cloud water content (CWC) and water vapor mixing ratio (H₂O) outputs from 19 climate models submitted to...- publication PDF
-
Measurements of atmospheric mercury in Shanghai during September 2009
We report on total gaseous mercury (TGM) measurements made in Pudong, Shanghai in August/September 2009. The average TGM was 2.7 ± 1.7 ng m⁻³. This represents about 90% of the...- publication PDF
-
Robustness of hydroclimate metrics for climate change impact research
Metrics based on streamflow and/or climate variables are used in water management for monitoring and evaluating available resources. To reflect future change in the hydrological...- publication PDF
-
SuperDARN assimilative mapping
An assimilative mapping procedure is developed to optimally combine information from Super Dual Auroral Radar Network (SuperDARN) plasma drift observations and a background...- publication PDF
-
Assessing the sensitivity of the Tropical Cyclone Boundary Layer to the...
Recent studies have demonstrated that high-resolution (similar to 25 km) Earth System Models (ESMs) have the potential to skillfully predict tropical cyclone (TC) occurrence and...- publication PDF
-
Data citations within NCAR/UCP
Federal agencies, professional societies, and research organizations in the geo-sciences are moving towards requiring researchers to formally cite data that led to a given...- publication PDF
-
Will climate change impact polar NOx produced by energetic particle precipitation?
Energetic electron precipitation (EEP) is an important source of polar nitrogen oxides (NOx) in the upper atmosphere. During winter, mesospheric NOx has a long chemical lifetime...- publication PDF
