Atmospheric Propagation Model for Satellite Communications
, 2014 حساب حساب عامل التخفيض الأفقي حساب عامل التعديل ...
Ali M. Al-Saegh +5 more
openaire +3 more sources
ENSEMBLES: a new multi-model ensemble for seasonal-to-annual predictions: Skill and progress beyond DEMETER in forecasting tropical Pacific SSTs [PDF]
, 2009 A new 46-year hindcast dataset for seasonal-to-annual ensemble predictions has been created using a multi-model ensemble of 5 state-of-the-art coupled atmosphere-ocean circulation models.
A. Weisheimer +21 more
core +1 more source
Southeast Pacific Stratocumulus in the Community Atmosphere Model
Journal of Climate, 2012 Abstract Forecasts of October 2006 are used to investigate southeast Pacific stratocumulus in the Community Atmosphere Model, versions 4 and 5 (CAM4 and CAM5). Both models quickly develop biases similar to their climatic biases, suggesting that parameterized physics are the root of the climate errors.
Jerry G. Olson +3 more
openaire +1 more source
The community atmospheric chemistry box model CAABA/MECCA-4.0 [PDF]
Geoscientific Model Development, 2019 Abstract. We present version 4.0 of the atmospheric chemistry box model CAABA/MECCA that now includes a number of new features: (i) skeletal mechanism reduction, (ii) the Mainz Organic Mechanism (MOM) chemical mechanism for volatile organic compounds, (iii) an option to include reactions from the Master Chemical Mechanism (MCM) and other chemical ...
R. Sander +19 more
openaire +6 more sources
Molecular Evidence for Metabolically Active Bacteria in the Atmosphere
Frontiers in Microbiology, 2016 Bacterial metabolisms are responsible for critical chemical transformations in nearly all environments, including oceans, freshwater, and soil. Despite the ubiquity of bacteria in the atmosphere, little is known about the metabolic functioning of ...
Ann M. Klein +5 more
doaj +1 more source
Modeling dust as component minerals in the Community Atmosphere Model: development of framework and impact on radiative forcing [PDF]
Atmospheric Chemistry and Physics, 2015 The mineralogy of desert dust is important due to its effect on radiation, clouds and biogeochemical cycling of trace nutrients. This study presents the simulation of dust radiative forcing as a function of both mineral composition and size at the global
R. A. Scanza +7 more
doaj +1 more source
Journal of Advances in Modeling Earth Systems, 2019 Precipitation amount (A), frequency (F), intensity (I), and duration (D) are important properties of precipitation, but their estimates are sensitive to data resolution.
Di Chen, Aiguo Dai
doaj +1 more source
Comparison of ice cloud properties simulated by the Community Atmosphere Model (CAM5) with in-situ observations [PDF]
Atmospheric Chemistry and Physics, 2014 Detailed measurements of ice crystals in cirrus clouds were used to compare with results from the Community Atmospheric Model Version 5 (CAM5) global climate model.
T. Eidhammer +4 more
doaj +1 more source
Remote sensing of aerosols in the Arctic for an evaluation of global climate model simulations [PDF]
, 2014 This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no ...
Bourassa, Adam +11 more
core +3 more sources
Assessing the Dynamic Versus Thermodynamic Origin of Climate Model Biases
Geophysical Research Letters, 2018 Global climate models present systematic biases, among others, a tendency to overestimate hot and dry summers in midlatitude regions. Here we investigate the origin of such biases in the Community Earth System Model.
Kathrin Wehrli +4 more
doaj +1 more source