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Evaluating mesoscale NWP models using kinetic energy spectra
Kinetic energy spectra derived from observations in the free atmosphere possess a wavenumber dependence of k^-3 for large scales, characteristic of 2D turbulence, and transition...- publication PDF
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Chinese regulations are working—Why is surface ozone over industrialized...
Observational data indicate increasing trends of surface ozone (O3) in China, despite emission controls that have resulted in reductions of precursor emissions. Here, we explore...- publication PDF
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Nonlinear model of high-speed solar-wind streams
A hydrodynamic model describing the generation and propagation of high-speed plasma streams in the solar wind is presented. The model is based upon numerical integrations of the...- publication PDF
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A microwave land data assimilation system: Scheme and preliminary evaluation...
To make use of satellite microwave observations for estimating soil moisture, a dual-pass land data assimilation system (DLDAS) is developed in this paper by incorporating a...- publication PDF
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GLACE: The Global Land-Atmosphere Coupling Experiment. 1. Overview
The Global Land-Atmosphere Coupling Experiment (GLACE) is a model intercomparison study focusing on a typically neglected yet critical element of numerical weather and climate...- publication PDF
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Vertical Profiles of HTO, HDO, and H2O in the Troposphere
This document presents vertical profiles of tritium, deuterium, and water vapor in the troposphere that was obtained by NCAR at various times from 1966 through 1973. These data...- publication PDF
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The Olympic Mountains Experiment (OLYMPEX)
The Olympic Mountains Experiment (OLYMPEX) took place during the 2015/16 fall-winter season in the vicinity of the mountainous Olympic Peninsula of Washington State. The goals...- publication PDF
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The summer North Atlantic oscillation: Past, present, and future
Summer climate in the North Atlantic - European sector possesses a principal pattern of year-to-year variability that is the parallel to the well-known North Atlantic...- publication PDF
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Automatic near-real-time detection of CMEs in Mauna Loa K-Cor coronagraph images
A simple algorithm has been developed to detect the onset of coronal mass ejections (CMEs), together with speed estimates, in near-real time using linearly polarized white-light...- publication PDF
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Attribution of the Australian bushfire risk to anthropogenic climate change
Disastrous bushfires during the last months of 2019 and January 2020 affected Australia, raising the question to what extent the risk of these fires was exacerbated by...- publication PDF
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Better calibration of cloud parameterizations and subgrid effects increases...
Realistic simulation of the Earth's mean-state climate remains a major challenge, and yet it is crucial for predicting the climate system in transition. Deficiencies in models'...- publication PDF
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Utilizing SMAP soil moisture data to constrain irrigation in the Community Land Model
Irrigation representation in land surface models has been advanced over the past decade, but the soil moisture (SM) data from SMAP satellite have not yet been utilized in large-...- publication PDF
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Seminar on Possible Responses of Weather Phenomena to Variable...
Workshop, June 16 to July 28, Open Meeting, July 29 and 30, 1965 Boulder, CO This document reports the discussions and presentations that took place during the workshop. The...- publication PDF
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Evaluation of the CAM6 climate model using cloud observations at McMurdo...
A comparative analysis between observational data from McMurdo Station, Antarctica and the Community Atmosphere Model version 6 (CAM6) simulation is performed focusing on cloud...- publication PDF
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A high resolution coupled fire-atmosphere forecasting system to minimize the...
Wildland fires are responsible for large socio-economic impacts. Fires affect the environment, damage structures, threaten lives, cause health issues, and involve large...- publication PDF
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A new look at ocean ventilation time scales and their uncertainties
A suite of eddy-resolving ocean transient tracer model simulations are first compared to observations. Observational and model pCFC-11 ages agree quite well, with the eddy-...- publication PDF
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Predicting typhoon Morakot's catastrophic rainfall with a...
This study examines the prediction and predictability of the recent catastrophic rainfall and flooding event over Taiwan induced by Typhoon Morakot (2009) with a state-of-the-...- publication PDF
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Explicitly representing soil microbial processes in Earth system models
Microbes influence soil organic matter decomposition and the long-term stabilization of carbon (C) in soils. We contend that by revising the representation of microbial...- publication PDF
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Progress in understanding of Indian Ocean circulation, variability, air–sea...
Over the past decade, our understanding of the Indian Ocean has advanced through concerted efforts toward measuring the ocean circulation and air-sea exchanges, detecting...- publication PDF
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Empirical orthogonal function analysis and modeling of the topside...
The topside total electron contents (TECs) observed by the MetOp-A (above 832 km) and TerraSAR-X (above 520 km) satellites for multiple local times during 2008-2018 have been...- publication PDF