Výsledky vyhledávání - "Daniel B. Phoenix"

Decision tree-based machine learning models for above-ground biomass estimation using multi-source remote sensing data and object-based image analysis

Autor: Haifa Tamiminia, Bahram Salehi, Masoud Mahdianpari, Colin M. Beier, Lucas Johnson, Daniel B. Phoenix, Michael Mahoney

Publikováno v: Geocarto International. 37:12763-12791

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3fb0423ff2d920fa31776a8699a2b06e
https://doi.org/10.1080/10106049.2022.2071475

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Simulated Impacts of Tropopause‐Overshooting Convection on the Chemical Composition of the Upper Troposphere and Lower Stratosphere

Autor: Daniel B. Phoenix, Cameron R. Homeyer

Publikováno v: Journal of Geophysical Research: Atmospheres. 126

Tropopause-penetrating convection is capable of rapidly transporting air from the lower troposphere to the upper troposphere and lower stratosphere (UTLS). Since the vertical redistribution of gases in the atmosphere by convection can have important

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d08da66806cc5d23d306c747b4d992e9
https://doi.org/10.1029/2021jd034568

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Aviation impact on air quality present day and mid-century simulated in the Community Atmosphere Model (CAM)

Autor: Arezoo Khodayari, Kevin Stewart, Daniel B. Phoenix, Donald J. Wuebbles

Publikováno v: Atmospheric Environment. 196:125-132

The projected increase in global air traffic raises concerns about the potential impact aviation emissions have on climate and air quality. Previous studies have shown that aircraft non-landing and take-off (non-LTO) emissions (emitted above 1 km) ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00b26df3f785265d2882b7ef6808c27f
https://doi.org/10.1016/j.atmosenv.2018.10.005

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Mechanisms Responsible for Stratosphere‐to‐Troposphere Transport Around a Mesoscale Convective System Anvil

Autor: Daniel B. Phoenix, Mary C. Barth, Cameron R. Homeyer, Stanley B. Trier

Publikováno v: Journal of Geophysical Research: Atmospheres. 125

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cdfb7bd1a02cfb9824e14b736ab576fe
https://doi.org/10.1029/2019jd032016

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Sensitivity of simulated convection‐driven stratosphere‐troposphere exchange in WRF‐Chem to the choice of physical and chemical parameterization

Autor: Daniel B. Phoenix, Mary C. Barth, Cameron R. Homeyer

Publikováno v: Earth and Space Science. 4:454-471

Tropopause-penetrating convection is capable of rapidly transporting air from the lower troposphere to the upper troposphere and lower stratosphere (UTLS), where it can have important impacts on chemistry, the radiative budget, and climate. However,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66292ecd9156660427788aa6359b5c33
https://doi.org/10.1002/2017ea000287

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Aviation NOx-induced CH4 effect: Fixed mixing ratio boundary conditions versus flux boundary conditions

Autor: Daniel B. Phoenix, Donald J. Wuebbles, Arezoo Khodayari, Seth Olsen

Publikováno v: Atmospheric Environment. 113:135-139

Atmospheric chemistry-climate models are often used to calculate the effect of aviation NOx emissions on atmospheric ozone (O3) and methane (CH4). Due to the long (∼10 yr) atmospheric lifetime of methane, model simulations must be run for long time

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8915683fee1cabc56b1eedd711a3b6bc
https://doi.org/10.1016/j.atmosenv.2015.04.070

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