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Ballooning Support for Cosmic-Ray Experiments: Joint United States - India...
NCAR organized and provided program management for a balloon expedition to study cosmic rays in the vicinity of the equator during the International Quiet Sun Year (IQSY). The...- publication PDF
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Usefulness of ensemble forecasts from NCEP Climate Forecast System in...
Typically, sub-seasonal to intra-annual climate forecasts are based on ensemble mean (EM) predictions. The EM prediction provides only a part of the information available from...- publication PDF
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Impact of different heat wave definitions on daily mortality in Bandafassi, Senegal
The aim of this study is to find the most suitable heat wave definition among 15 different ones and to evaluate its impact on total, age-, and gender-specific mortality for...- publication PDF
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Evaluating the detectability of methane point sources from satellite...
This study evaluates the efficacy of current satellite observing systems to detect methane point sources from typical oil and gas production (O&G) facilities using a novel...- publication PDF
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On long-term SABER CO2 trends and effects due to nonuniform space and time sampling
The Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) instrument on board the TIMED satellite has been continuously operating for more than 16 years, since...- publication PDF
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Observed 20th century desert dust variability: Impact on climate and biogeochemistry
Desert dust perturbs climate by interacting with incoming solar and outgoing long wave radiation, thereby changing precipitation and temperature, in addition to modifying ocean...- publication PDF
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Toward an integrated set of surface meteorological observations for climate...
Observations are the foundation for understanding the climate system. Yet, currently available land meteorological data are highly fractured into various global, regional, and...- publication PDF
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Evaluation of the Advanced Hurricane WRF Data Assimilation System for the...
Real-time analyses and forecasts using an ensemble Kalman filter (EnKF) and the Advanced Hurricane Weather Research and Forecasting Model (AHW) are evaluated from the 2009 North...- publication PDF
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The photoelectron-driven upper hybrid instability as the cause of 150-km echoes
150 kilometer echoes are strong, coherent echoes observed by equatorial radars looking close to perpendicular to Earth's magnetic field. Observations over a day show a distinct...- publication PDF
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Calculations of in-snow NO₂ and OH radical photochemical production and...
Depth-integrated production rates of OH radicals and NO₂ molecules from snowpacks in Ny-Ålesund, Svalbard, are calculated from fieldwork investigating the light penetration...- publication PDF
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Detecting clouds associated with jet engine ice crystal icing
In the past two decades, more than 150 jet engine power-loss and damage events have been attributed to a phenomenon known as ice crystal icing (ICI). Ingestion of large numbers...- publication PDF
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The longitudinal variation of the daily mean thermospheric mass density
This study uses the GRACE (Gravity Recovery And Climate Experiment) and CHAMP(CHAllenging Minisatellite Payload) accelerometer measurements from 2003 to 2008. These measurements...- publication PDF
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Arctic Ocean freshwater: How robust are model simulations?
The Arctic freshwater (FW) has been the focus of many modeling studies, due to the potential impact of Arctic FW on the deep water formation in the North Atlantic. A comparison...- publication PDF
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Estimating soil respiration in a subalpine landscape using point, terrain,...
Landscape carbon (C) flux estimates help assess the ability of terrestrial ecosystems to buffer further increases in anthropogenic carbon dioxide (CO2) emissions. Advances in...- publication PDF
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The MOPITT version 4 CO product: Algorithm enhancements, validation, and...
Vertical profiles of carbon monoxide (CO) concentration and corresponding total column values derived from measurements made by the Measurements of Pollution in the Troposphere...- publication PDF
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Horizontal circulation across density surfaces contributes substantially to...
The Greenland Sea is often viewed as the northern terminus of the Atlantic Meridional Overturning Circulation. It has also been proposed that the shutdown of open-ocean deep...- publication PDF
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Differences in the Indonesian seaway in a coupled climate model and their...
A fully coupled general circulation model is used to investigate the hypothesis that during Pliocene times tectonic changes in the Indonesian seas modified the Indo-Pacific heat...- publication PDF
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The Pliocene Model Intercomparison Project Phase 2: Large-scale climate...
The Pliocene epoch has great potential to improve our understanding of the long-term climatic and environmental consequences of an atmospheric CO2 concentration near similar to...- publication PDF
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RCM-E and AMIE studies of the Harang reversal formation during a steady...
This paper presents the results of a modeling study on the formation of the Harang reversal (HR) during a steady magnetospheric convection event. The Harang reversal is...- publication PDF
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Workshop on Online Documentation in the Supercomputing Environment: Working Paper
This document addresses the many issues and problems of online user documentation for supercomputers, specifically, problems of delivering online information in a heterogeneous...- publication PDF
