نتایج جستجو برای: wrf chem

تعداد نتایج: 28073  

Journal: :Atmosphere 2023

This work presents new climate and emissions scenarios to investigate changes on future meteorology air quality in the U.S. Here, we employ a dynamically downscaled Weather Research Forecasting model coupled with chemistry (WRF/Chem) simulations that use two Intergovernmental Panel Climate Change (i.e., A1B B2) integrated explicitly projected from novel Technology Driver Model (TDM). The 2046–2...

2015
Jacqueline B Palmer Howard S Friedman Katherine Waltman Johnson Prakash Navaratnam Stephen S Gottlieb

BACKGROUND Data comparing effects of transient worsening renal function (WRFt) and persistent WRF (WRFp) on outcomes in patients hospitalized with acute heart failure (AHF) are lacking. We determined the characteristics of hospitalized AHF patients who experienced no worsening renal function (non-WRF), WRFt, or WRFp, and the relationship between cohorts and AHF-related outcomes. METHODS AND R...

2008
KEITH M. HINES DAVID H. BROMWICH

A polar-optimized version of the fifth-generation Pennsylvania State University–National Center for Atmospheric Research Mesoscale Model (MM5) was developed to fill climate and synoptic needs of the polar science community and to achieve an improved regional performance. To continue the goal of enhanced polar mesoscale modeling, polar optimization should now be applied toward the state-of-the-a...

Journal: :Atmospheric Chemistry and Physics 2021

Abstract. We have investigated trifluoroacetic acid (TFA) formation from emissions of HFO-1234yf (CF3CFH2), its dry and wet deposition, rainwater concentration over India, China, the Middle East with GEOS-Chem WRF-Chem models. estimated TFA deposition concentrations between 2020 2040 for four previously published emission scenarios to bound possible levels TFA. evaluated capability capture proc...

Journal: :Journal of the American College of Cardiology 2009
Wilfried Mullens Zuheir Abrahams Gary S Francis George Sokos David O Taylor Randall C Starling James B Young W H Wilson Tang

OBJECTIVES To determine whether venous congestion, rather than impairment of cardiac output, is primarily associated with the development of worsening renal function (WRF) in patients with advanced decompensated heart failure (ADHF). BACKGROUND Reduced cardiac output is traditionally believed to be the main determinant of WRF in patients with ADHF. METHODS A total of 145 consecutive patient...

Journal: :Agronomy 2022

An increase in atmospheric pollution markedly affects the climatic environment. Aerosol is main component of pollutants and has a significant influence on changes reference crop evapotranspiration (ET0), while effects aerosol ET0 are still unclear. In this study, meteorological elements Henan Province was evaluated using online two-way coupling WRF (Weather Research Forecast)–Chem. The results ...

Journal: :Geoscientific Model Development 2022

Abstract. This paper presents a three-dimensional variational (3DVAR) data assimilation (DA) system for aerosol optical properties, including thickness (AOT) retrievals and lidar-based profiles, developed the Model Simulating Aerosol Interactions Chemistry (MOSAIC) within Weather Research Forecasting model coupled to (WRF-Chem) model. For computational efficiency, 32 variables in MOSAIC_4bin sc...

Journal: :Geoscientific Model Development 2022

Abstract. We describe and evaluate a high-resolution real-time air quality forecast system over the Eastern Mediterranean, based on regional, online coupled atmospheric chemistry aerosol model. The Weather Research Forecasting model with Chemistry (WRF-Chem) is used to perform daily, 3 d forecasts of regulated pollutants (NO2, O3, PM2.5) applying three nested domains horizontal resolutions 50, ...

Journal: :Circulation. Heart failure 2011
Jeffrey M Testani Stephen E Kimmel Daniel L Dries Steven G Coca

BACKGROUND Worsening renal function (WRF) in the setting of heart failure has been associated with increased mortality. However, it is unclear if this decreased survival is a direct result of the reduction in glomerular filtration rate (GFR) or if the mechanism underlying the deterioration in GFR is driving prognosis. Given that WRF in the setting of angiotensin-converting enzyme inhibitor (ACE...

Journal: :Circulation. Heart failure 2017
Iris E Beldhuis Koen W Streng Jozine M Ter Maaten Adriaan A Voors Peter van der Meer Patrick Rossignol John J V McMurray Kevin Damman

BACKGROUND Renin-angiotensin aldosterone system (RAAS) inhibitors significantly improve outcome in heart failure (HF) patients with reduced ejection fraction (HFREF), irrespective of the occurrence of worsening renal function (WRF). However, in HF patients with preserved ejection fraction (HFPEF), RAAS inhibitors have not been shown to improve outcome but are still frequently prescribed. METH...

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