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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Large-scale environmental influences on tropical cyclone formation processes...
The development of tropical cloud clusters (TCCs) to tropical cyclones (TCs) is the process of TC formation. This study identifies five main environmental transitions for the...- publication PDF
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Simulating the Pineapple Express in the half degree Community Climate System...
Atmospheric rivers are recognized as major contributors to the poleward transport of water vapor. Upon reaching land, these phenomena also play a critical role in extreme...- publication PDF
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Accounting for the photochemical variation in stratospheric NO2 in the SAGE...
The Stratospheric Aerosol and Gas Experiment (SAGE) III has been operating on the International Space Station (ISS) since mid-2017. Nitrogen dioxide (NO2) number density...- publication PDF
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Evaluation of an analytical model for the maximum intensity of tropical cyclones
Several studies have shown that the intensity of numerically simulated tropical cyclones can exceed (by 50%) a theoretical upper limit. To investigate the cause, this study...- publication PDF
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The Ice Particle and Aggregate Simulator (IPAS). Part I: Extracting...
Aggregation, the process by which two or more ice particles attach to each other, is typically observed in clouds that span a range of temperatures and is influenced by the...- publication PDF
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Large-eddy simulation of biogenic VOC chemistry during the DISCOVER-AQ 2011 campaign
Biogenic volatile organic compounds (BVOCs) are oxidized quickly in the atmosphere to form oxygenated VOC (OVOC) and play crucial roles in the formation of ozone and secondary...- publication PDF
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Evolution of moisture transport to the western U.S. during the last deglaciation
We investigate climate dynamics and teleconnections governing moisture transport to the western U.S. during past warm and cool intervals of the last deglaciation using...- publication PDF
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Water tank experiments on stratified flow over double mountain-shaped...
In this article, we present an overview of the HyIV-CNRS-SecORo (Hydralab IV-CNRS-Secondary Orography and Rotors Experiments) laboratory experiments carried out in the CNRM...- publication PDF
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Large-scale features of Last Interglacial climate: Results from evaluating...
The modeling of paleoclimate, using physically based tools, is increasingly seen as a strong out-of-sample test of the models that are used for the projection of future climate...- publication PDF