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Emulating atmosphere-ocean and carbon cycle models with a simpler model, MAGICC6 – Part 2: Applications
atmosphere-ocean carbon cycle models a simpler model MAGICC6
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2011/2/25
Intercomparisons of coupled atmosphere-ocean general circulation models (AOGCMs) and carbon cycle models are important for galvanizing our current scientific knowledge to project future climate. Inter...
Emulating coupled atmosphere-ocean and carbon cycle models with a simpler model, MAGICC6 – Part 1: Model description and calibration
coupled atmosphere-ocean carbon cycle models a simpler model MAGICC6
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2011/2/25
Current scientific knowledge on the future response of the climate system to human-induced perturbations is comprehensively captured by various model intercomparison efforts. In the preparation of the...
Analysis of 13C and 18O isotope data of CO2 in CARIBIC aircraft samples as tracers of upper troposphere/lower stratosphere mixing and the global carbon cycle
13C and 18O isotope data CO2 CARIBIC aircraft samples the global carbon cycle
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2010/9/21
The project CARIBIC (http://caribic-atmospheric.com) aims to study atmospheric chemistry and transport by regularly measuring many compounds in the free troposphere and the upper troposphere/lowermost...
Seasonal cycle and temperature dependence of pinene oxidation products, dicarboxylic acids and nitrophenols in fine and coarse air particulate matter
Seasonal cycle temperature dependence pinene oxidation products fine and coarse air particulate matter
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2010/9/1
Filter samples of fine and coarse air particulate matter (PM) collected over a period of one year in central Europe (Mainz, Germany) were analyzed for water-soluble organic compounds (WSOCs), includin...
What can be learned about carbon cycle climate feedbacks from the CO2 airborne fraction?
carbon cycle climate the CO2 airborne fraction
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2010/8/25
The ratio of CO2 accumulating in the atmosphere to the CO2 flux into the atmosphere due to human activity, the airborne fraction AF, is central to predict changes in earth's surface temperature due to...
Characterization of Tropospheric Emission Spectrometer (TES) CO2 for carbon cycle science
Tropospheric Emission Spectrometer CO2 carbon cycle science
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2010/8/13
We present carbon dioxide (CO2) estimates from the Tropospheric Emission Spectrometer (TES) on the EOS-Aura satellite launched in 2004. For observations between 40° S and 45° N, we find about 1 degree...
Marine boundary layer over the subtropical southeast Pacific during VOCALS-REx – Part 1: Mean structure and diurnal cycle
Marine boundary layer the subtropical southeast Pacific VOCALS-REx Mean structure diurnal cycle
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2010/8/13
Atmospheric subsidence over the subtropical southeast Pacific (SEP) leads to a low-level anticyclonic circulation, a cool sea surface and a cloud-topped marine boundary layer (MBL). Observations in th...
Sulfur cycle and sulfate radiative forcing simulated from a coupled global climate-chemistry model
Sulfur cycle sulfate radiative a coupled global climate-chemistry model
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2010/8/12
The sulfur cycle and radiative effects of sulfate aerosol on climate are studied with a Global tropospheric Climate-Chemistry Model in which chemistry, radiation and dynamics are fully coupled. Produc...
The ground-based FTIR network's potential for investigating the atmospheric water cycle
The ground-based FTIR network's potential the atmospheric water cycle
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2010/8/12
We present tropospheric H216O and HD16O/H216O vapour profiles measured by ground-based FTIR (Fourier Transform Infrared) spectrometers between 1996 and 2008 at a northern hemispheric subarctic and sub...
Solar cycle signals in sea level pressure and sea surface temperature
Solar cycle signals sea level pressure sea surface temperature
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2010/8/12
We identify solar cycle signals in 155 years of global sea level pressure (SLP) and sea surface temperature (SST) data using a multiple linear regression approach. In SLP we find in the North Pacific ...
Atmospheric data over a solar cycle: no connection between galactic cosmic rays and new particle formation
solar cycle galactic cosmic rays particle formation
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2010/2/21
Aerosol particles affect the Earth's radiative balance by directly scattering and absorbing solar radiation and, indirectly, through their activation into cloud droplets. Both effects are known with c...
27-day variation in cloud amount in the Western Pacific warm pool region and relationship to the solar cycle
Western Pacific warm pool region solar cycle
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2010/2/21
Although linkages between solar activity and the earth's climate have been suggested and the 11-year cycle in solar activity evident in sunspot numbers is the most examined example of periodicity in p...
Peroxyacetic acid in urban and rural atmosphere: concentration, feedback on PAN-NOx cycle and implication on radical chemistry
Peroxyacetic acid rural atmosphere PAN-NOx cycle radical chemistry
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2010/2/1
Peroxyacetic acid (PAA) is one of the most important atmospheric organic peroxides, which have received increasing attention for their potential contribution to the oxidation capacity of the troposphe...
Annual cycle of ozone at and above the tropical tropopause: observations versus simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS)
Annual cycle tropical tropopause Chemical Lagrangian Model Stratosphere CLaMS
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2010/1/18
Multi-annual simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS) were conducted to study the seasonality of O3 within the stratospheric part of the tropical tropopause layer (TT...
Investigating the evolution of major Northern Hemisphere ice sheets during the last glacial-interglacial cycle
Hemisphere ice sheets last glacial-interglacial cycle
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2009/12/3
A 2.5-dimensional climate model of intermediate complexity, CLIMBER-2, fully coupled with the GREMLINS 3-D thermo-mechanical ice sheet model is used to simulate the evolution of major Northern Hemisph...